diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 5287 |
1 files changed, 5287 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c new file mode 100644 index 0000000000..8cdf380bf3 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -0,0 +1,5287 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + */ + +#include "dm_services.h" + +#include "dc.h" + +#include "core_status.h" +#include "core_types.h" +#include "hw_sequencer.h" +#include "dce/dce_hwseq.h" + +#include "resource.h" + +#include "gpio_service_interface.h" +#include "clk_mgr.h" +#include "clock_source.h" +#include "dc_bios_types.h" + +#include "bios_parser_interface.h" +#include "bios/bios_parser_helper.h" +#include "include/irq_service_interface.h" +#include "transform.h" +#include "dmcu.h" +#include "dpp.h" +#include "timing_generator.h" +#include "abm.h" +#include "virtual/virtual_link_encoder.h" +#include "hubp.h" + +#include "link_hwss.h" +#include "link_encoder.h" +#include "link_enc_cfg.h" + +#include "link.h" +#include "dm_helpers.h" +#include "mem_input.h" + +#include "dc_dmub_srv.h" + +#include "dsc.h" + +#include "vm_helper.h" + +#include "dce/dce_i2c.h" + +#include "dmub/dmub_srv.h" + +#include "dce/dmub_psr.h" + +#include "dce/dmub_hw_lock_mgr.h" + +#include "dc_trace.h" + +#include "hw_sequencer_private.h" + +#include "dce/dmub_outbox.h" + +#define CTX \ + dc->ctx + +#define DC_LOGGER \ + dc->ctx->logger + +static const char DC_BUILD_ID[] = "production-build"; + +/** + * DOC: Overview + * + * DC is the OS-agnostic component of the amdgpu DC driver. + * + * DC maintains and validates a set of structs representing the state of the + * driver and writes that state to AMD hardware + * + * Main DC HW structs: + * + * struct dc - The central struct. One per driver. Created on driver load, + * destroyed on driver unload. + * + * struct dc_context - One per driver. + * Used as a backpointer by most other structs in dc. + * + * struct dc_link - One per connector (the physical DP, HDMI, miniDP, or eDP + * plugpoints). Created on driver load, destroyed on driver unload. + * + * struct dc_sink - One per display. Created on boot or hotplug. + * Destroyed on shutdown or hotunplug. A dc_link can have a local sink + * (the display directly attached). It may also have one or more remote + * sinks (in the Multi-Stream Transport case) + * + * struct resource_pool - One per driver. Represents the hw blocks not in the + * main pipeline. Not directly accessible by dm. + * + * Main dc state structs: + * + * These structs can be created and destroyed as needed. There is a full set of + * these structs in dc->current_state representing the currently programmed state. + * + * struct dc_state - The global DC state to track global state information, + * such as bandwidth values. + * + * struct dc_stream_state - Represents the hw configuration for the pipeline from + * a framebuffer to a display. Maps one-to-one with dc_sink. + * + * struct dc_plane_state - Represents a framebuffer. Each stream has at least one, + * and may have more in the Multi-Plane Overlay case. + * + * struct resource_context - Represents the programmable state of everything in + * the resource_pool. Not directly accessible by dm. + * + * struct pipe_ctx - A member of struct resource_context. Represents the + * internal hardware pipeline components. Each dc_plane_state has either + * one or two (in the pipe-split case). + */ + +/* Private functions */ + +static inline void elevate_update_type(enum surface_update_type *original, enum surface_update_type new) +{ + if (new > *original) + *original = new; +} + +static void destroy_links(struct dc *dc) +{ + uint32_t i; + + for (i = 0; i < dc->link_count; i++) { + if (NULL != dc->links[i]) + dc->link_srv->destroy_link(&dc->links[i]); + } +} + +static uint32_t get_num_of_internal_disp(struct dc_link **links, uint32_t num_links) +{ + int i; + uint32_t count = 0; + + for (i = 0; i < num_links; i++) { + if (links[i]->connector_signal == SIGNAL_TYPE_EDP || + links[i]->is_internal_display) + count++; + } + + return count; +} + +static int get_seamless_boot_stream_count(struct dc_state *ctx) +{ + uint8_t i; + uint8_t seamless_boot_stream_count = 0; + + for (i = 0; i < ctx->stream_count; i++) + if (ctx->streams[i]->apply_seamless_boot_optimization) + seamless_boot_stream_count++; + + return seamless_boot_stream_count; +} + +static bool create_links( + struct dc *dc, + uint32_t num_virtual_links) +{ + int i; + int connectors_num; + struct dc_bios *bios = dc->ctx->dc_bios; + + dc->link_count = 0; + + connectors_num = bios->funcs->get_connectors_number(bios); + + DC_LOG_DC("BIOS object table - number of connectors: %d", connectors_num); + + if (connectors_num > ENUM_ID_COUNT) { + dm_error( + "DC: Number of connectors %d exceeds maximum of %d!\n", + connectors_num, + ENUM_ID_COUNT); + return false; + } + + dm_output_to_console( + "DC: %s: connectors_num: physical:%d, virtual:%d\n", + __func__, + connectors_num, + num_virtual_links); + + for (i = 0; i < connectors_num; i++) { + struct link_init_data link_init_params = {0}; + struct dc_link *link; + + DC_LOG_DC("BIOS object table - printing link object info for connector number: %d, link_index: %d", i, dc->link_count); + + link_init_params.ctx = dc->ctx; + /* next BIOS object table connector */ + link_init_params.connector_index = i; + link_init_params.link_index = dc->link_count; + link_init_params.dc = dc; + link = dc->link_srv->create_link(&link_init_params); + + if (link) { + dc->links[dc->link_count] = link; + link->dc = dc; + ++dc->link_count; + } + } + + DC_LOG_DC("BIOS object table - end"); + + /* Create a link for each usb4 dpia port */ + for (i = 0; i < dc->res_pool->usb4_dpia_count; i++) { + struct link_init_data link_init_params = {0}; + struct dc_link *link; + + link_init_params.ctx = dc->ctx; + link_init_params.connector_index = i; + link_init_params.link_index = dc->link_count; + link_init_params.dc = dc; + link_init_params.is_dpia_link = true; + + link = dc->link_srv->create_link(&link_init_params); + if (link) { + dc->links[dc->link_count] = link; + link->dc = dc; + ++dc->link_count; + } + } + + for (i = 0; i < num_virtual_links; i++) { + struct dc_link *link = kzalloc(sizeof(*link), GFP_KERNEL); + struct encoder_init_data enc_init = {0}; + + if (link == NULL) { + BREAK_TO_DEBUGGER(); + goto failed_alloc; + } + + link->link_index = dc->link_count; + dc->links[dc->link_count] = link; + dc->link_count++; + + link->ctx = dc->ctx; + link->dc = dc; + link->connector_signal = SIGNAL_TYPE_VIRTUAL; + link->link_id.type = OBJECT_TYPE_CONNECTOR; + link->link_id.id = CONNECTOR_ID_VIRTUAL; + link->link_id.enum_id = ENUM_ID_1; + link->link_enc = kzalloc(sizeof(*link->link_enc), GFP_KERNEL); + + if (!link->link_enc) { + BREAK_TO_DEBUGGER(); + goto failed_alloc; + } + + link->link_status.dpcd_caps = &link->dpcd_caps; + + enc_init.ctx = dc->ctx; + enc_init.channel = CHANNEL_ID_UNKNOWN; + enc_init.hpd_source = HPD_SOURCEID_UNKNOWN; + enc_init.transmitter = TRANSMITTER_UNKNOWN; + enc_init.connector = link->link_id; + enc_init.encoder.type = OBJECT_TYPE_ENCODER; + enc_init.encoder.id = ENCODER_ID_INTERNAL_VIRTUAL; + enc_init.encoder.enum_id = ENUM_ID_1; + virtual_link_encoder_construct(link->link_enc, &enc_init); + } + + dc->caps.num_of_internal_disp = get_num_of_internal_disp(dc->links, dc->link_count); + + return true; + +failed_alloc: + return false; +} + +/* Create additional DIG link encoder objects if fewer than the platform + * supports were created during link construction. This can happen if the + * number of physical connectors is less than the number of DIGs. + */ +static bool create_link_encoders(struct dc *dc) +{ + bool res = true; + unsigned int num_usb4_dpia = dc->res_pool->res_cap->num_usb4_dpia; + unsigned int num_dig_link_enc = dc->res_pool->res_cap->num_dig_link_enc; + int i; + + /* A platform without USB4 DPIA endpoints has a fixed mapping between DIG + * link encoders and physical display endpoints and does not require + * additional link encoder objects. + */ + if (num_usb4_dpia == 0) + return res; + + /* Create as many link encoder objects as the platform supports. DPIA + * endpoints can be programmably mapped to any DIG. + */ + if (num_dig_link_enc > dc->res_pool->dig_link_enc_count) { + for (i = 0; i < num_dig_link_enc; i++) { + struct link_encoder *link_enc = dc->res_pool->link_encoders[i]; + + if (!link_enc && dc->res_pool->funcs->link_enc_create_minimal) { + link_enc = dc->res_pool->funcs->link_enc_create_minimal(dc->ctx, + (enum engine_id)(ENGINE_ID_DIGA + i)); + if (link_enc) { + dc->res_pool->link_encoders[i] = link_enc; + dc->res_pool->dig_link_enc_count++; + } else { + res = false; + } + } + } + } + + return res; +} + +/* Destroy any additional DIG link encoder objects created by + * create_link_encoders(). + * NB: Must only be called after destroy_links(). + */ +static void destroy_link_encoders(struct dc *dc) +{ + unsigned int num_usb4_dpia; + unsigned int num_dig_link_enc; + int i; + + if (!dc->res_pool) + return; + + num_usb4_dpia = dc->res_pool->res_cap->num_usb4_dpia; + num_dig_link_enc = dc->res_pool->res_cap->num_dig_link_enc; + + /* A platform without USB4 DPIA endpoints has a fixed mapping between DIG + * link encoders and physical display endpoints and does not require + * additional link encoder objects. + */ + if (num_usb4_dpia == 0) + return; + + for (i = 0; i < num_dig_link_enc; i++) { + struct link_encoder *link_enc = dc->res_pool->link_encoders[i]; + + if (link_enc) { + link_enc->funcs->destroy(&link_enc); + dc->res_pool->link_encoders[i] = NULL; + dc->res_pool->dig_link_enc_count--; + } + } +} + +static struct dc_perf_trace *dc_perf_trace_create(void) +{ + return kzalloc(sizeof(struct dc_perf_trace), GFP_KERNEL); +} + +static void dc_perf_trace_destroy(struct dc_perf_trace **perf_trace) +{ + kfree(*perf_trace); + *perf_trace = NULL; +} + +/** + * dc_stream_adjust_vmin_vmax - look up pipe context & update parts of DRR + * @dc: dc reference + * @stream: Initial dc stream state + * @adjust: Updated parameters for vertical_total_min and vertical_total_max + * + * Looks up the pipe context of dc_stream_state and updates the + * vertical_total_min and vertical_total_max of the DRR, Dynamic Refresh + * Rate, which is a power-saving feature that targets reducing panel + * refresh rate while the screen is static + * + * Return: %true if the pipe context is found and adjusted; + * %false if the pipe context is not found. + */ +bool dc_stream_adjust_vmin_vmax(struct dc *dc, + struct dc_stream_state *stream, + struct dc_crtc_timing_adjust *adjust) +{ + int i; + + /* + * Don't adjust DRR while there's bandwidth optimizations pending to + * avoid conflicting with firmware updates. + */ + if (dc->ctx->dce_version > DCE_VERSION_MAX) + if (dc->optimized_required || dc->wm_optimized_required) + return false; + + stream->adjust.v_total_max = adjust->v_total_max; + stream->adjust.v_total_mid = adjust->v_total_mid; + stream->adjust.v_total_mid_frame_num = adjust->v_total_mid_frame_num; + stream->adjust.v_total_min = adjust->v_total_min; + + for (i = 0; i < MAX_PIPES; i++) { + struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + + if (pipe->stream == stream && pipe->stream_res.tg) { + dc->hwss.set_drr(&pipe, + 1, + *adjust); + + return true; + } + } + return false; +} + +/** + * dc_stream_get_last_used_drr_vtotal - Looks up the pipe context of + * dc_stream_state and gets the last VTOTAL used by DRR (Dynamic Refresh Rate) + * + * @dc: [in] dc reference + * @stream: [in] Initial dc stream state + * @refresh_rate: [in] new refresh_rate + * + * Return: %true if the pipe context is found and there is an associated + * timing_generator for the DC; + * %false if the pipe context is not found or there is no + * timing_generator for the DC. + */ +bool dc_stream_get_last_used_drr_vtotal(struct dc *dc, + struct dc_stream_state *stream, + uint32_t *refresh_rate) +{ + bool status = false; + + int i = 0; + + for (i = 0; i < MAX_PIPES; i++) { + struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + + if (pipe->stream == stream && pipe->stream_res.tg) { + /* Only execute if a function pointer has been defined for + * the DC version in question + */ + if (pipe->stream_res.tg->funcs->get_last_used_drr_vtotal) { + pipe->stream_res.tg->funcs->get_last_used_drr_vtotal(pipe->stream_res.tg, refresh_rate); + + status = true; + + break; + } + } + } + + return status; +} + +bool dc_stream_get_crtc_position(struct dc *dc, + struct dc_stream_state **streams, int num_streams, + unsigned int *v_pos, unsigned int *nom_v_pos) +{ + /* TODO: Support multiple streams */ + const struct dc_stream_state *stream = streams[0]; + int i; + bool ret = false; + struct crtc_position position; + + for (i = 0; i < MAX_PIPES; i++) { + struct pipe_ctx *pipe = + &dc->current_state->res_ctx.pipe_ctx[i]; + + if (pipe->stream == stream && pipe->stream_res.stream_enc) { + dc->hwss.get_position(&pipe, 1, &position); + + *v_pos = position.vertical_count; + *nom_v_pos = position.nominal_vcount; + ret = true; + } + } + return ret; +} + +#if defined(CONFIG_DRM_AMD_SECURE_DISPLAY) +static inline void +dc_stream_forward_dmub_crc_window(struct dc_dmub_srv *dmub_srv, + struct rect *rect, struct otg_phy_mux *mux_mapping, bool is_stop) +{ + union dmub_rb_cmd cmd = {0}; + + cmd.secure_display.roi_info.phy_id = mux_mapping->phy_output_num; + cmd.secure_display.roi_info.otg_id = mux_mapping->otg_output_num; + + if (is_stop) { + cmd.secure_display.header.type = DMUB_CMD__SECURE_DISPLAY; + cmd.secure_display.header.sub_type = DMUB_CMD__SECURE_DISPLAY_CRC_STOP_UPDATE; + } else { + cmd.secure_display.header.type = DMUB_CMD__SECURE_DISPLAY; + cmd.secure_display.header.sub_type = DMUB_CMD__SECURE_DISPLAY_CRC_WIN_NOTIFY; + cmd.secure_display.roi_info.x_start = rect->x; + cmd.secure_display.roi_info.y_start = rect->y; + cmd.secure_display.roi_info.x_end = rect->x + rect->width; + cmd.secure_display.roi_info.y_end = rect->y + rect->height; + } + + dm_execute_dmub_cmd(dmub_srv->ctx, &cmd, DM_DMUB_WAIT_TYPE_NO_WAIT); +} + +static inline void +dc_stream_forward_dmcu_crc_window(struct dmcu *dmcu, + struct rect *rect, struct otg_phy_mux *mux_mapping, bool is_stop) +{ + if (is_stop) + dmcu->funcs->stop_crc_win_update(dmcu, mux_mapping); + else + dmcu->funcs->forward_crc_window(dmcu, rect, mux_mapping); +} + +bool +dc_stream_forward_crc_window(struct dc_stream_state *stream, + struct rect *rect, bool is_stop) +{ + struct dmcu *dmcu; + struct dc_dmub_srv *dmub_srv; + struct otg_phy_mux mux_mapping; + struct pipe_ctx *pipe; + int i; + struct dc *dc = stream->ctx->dc; + + for (i = 0; i < MAX_PIPES; i++) { + pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + if (pipe->stream == stream && !pipe->top_pipe && !pipe->prev_odm_pipe) + break; + } + + /* Stream not found */ + if (i == MAX_PIPES) + return false; + + mux_mapping.phy_output_num = stream->link->link_enc_hw_inst; + mux_mapping.otg_output_num = pipe->stream_res.tg->inst; + + dmcu = dc->res_pool->dmcu; + dmub_srv = dc->ctx->dmub_srv; + + /* forward to dmub */ + if (dmub_srv) + dc_stream_forward_dmub_crc_window(dmub_srv, rect, &mux_mapping, is_stop); + /* forward to dmcu */ + else if (dmcu && dmcu->funcs->is_dmcu_initialized(dmcu)) + dc_stream_forward_dmcu_crc_window(dmcu, rect, &mux_mapping, is_stop); + else + return false; + + return true; +} +#endif /* CONFIG_DRM_AMD_SECURE_DISPLAY */ + +/** + * dc_stream_configure_crc() - Configure CRC capture for the given stream. + * @dc: DC Object + * @stream: The stream to configure CRC on. + * @enable: Enable CRC if true, disable otherwise. + * @crc_window: CRC window (x/y start/end) information + * @continuous: Capture CRC on every frame if true. Otherwise, only capture + * once. + * + * By default, only CRC0 is configured, and the entire frame is used to + * calculate the CRC. + * + * Return: %false if the stream is not found or CRC capture is not supported; + * %true if the stream has been configured. + */ +bool dc_stream_configure_crc(struct dc *dc, struct dc_stream_state *stream, + struct crc_params *crc_window, bool enable, bool continuous) +{ + struct pipe_ctx *pipe; + struct crc_params param; + struct timing_generator *tg; + + pipe = resource_get_otg_master_for_stream( + &dc->current_state->res_ctx, stream); + + /* Stream not found */ + if (pipe == NULL) + return false; + + /* By default, capture the full frame */ + param.windowa_x_start = 0; + param.windowa_y_start = 0; + param.windowa_x_end = pipe->stream->timing.h_addressable; + param.windowa_y_end = pipe->stream->timing.v_addressable; + param.windowb_x_start = 0; + param.windowb_y_start = 0; + param.windowb_x_end = pipe->stream->timing.h_addressable; + param.windowb_y_end = pipe->stream->timing.v_addressable; + + if (crc_window) { + param.windowa_x_start = crc_window->windowa_x_start; + param.windowa_y_start = crc_window->windowa_y_start; + param.windowa_x_end = crc_window->windowa_x_end; + param.windowa_y_end = crc_window->windowa_y_end; + param.windowb_x_start = crc_window->windowb_x_start; + param.windowb_y_start = crc_window->windowb_y_start; + param.windowb_x_end = crc_window->windowb_x_end; + param.windowb_y_end = crc_window->windowb_y_end; + } + + param.dsc_mode = pipe->stream->timing.flags.DSC ? 1:0; + param.odm_mode = pipe->next_odm_pipe ? 1:0; + + /* Default to the union of both windows */ + param.selection = UNION_WINDOW_A_B; + param.continuous_mode = continuous; + param.enable = enable; + + tg = pipe->stream_res.tg; + + /* Only call if supported */ + if (tg->funcs->configure_crc) + return tg->funcs->configure_crc(tg, ¶m); + DC_LOG_WARNING("CRC capture not supported."); + return false; +} + +/** + * dc_stream_get_crc() - Get CRC values for the given stream. + * + * @dc: DC object. + * @stream: The DC stream state of the stream to get CRCs from. + * @r_cr: CRC value for the red component. + * @g_y: CRC value for the green component. + * @b_cb: CRC value for the blue component. + * + * dc_stream_configure_crc needs to be called beforehand to enable CRCs. + * + * Return: + * %false if stream is not found, or if CRCs are not enabled. + */ +bool dc_stream_get_crc(struct dc *dc, struct dc_stream_state *stream, + uint32_t *r_cr, uint32_t *g_y, uint32_t *b_cb) +{ + int i; + struct pipe_ctx *pipe; + struct timing_generator *tg; + + for (i = 0; i < MAX_PIPES; i++) { + pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + if (pipe->stream == stream) + break; + } + /* Stream not found */ + if (i == MAX_PIPES) + return false; + + tg = pipe->stream_res.tg; + + if (tg->funcs->get_crc) + return tg->funcs->get_crc(tg, r_cr, g_y, b_cb); + DC_LOG_WARNING("CRC capture not supported."); + return false; +} + +void dc_stream_set_dyn_expansion(struct dc *dc, struct dc_stream_state *stream, + enum dc_dynamic_expansion option) +{ + /* OPP FMT dyn expansion updates*/ + int i; + struct pipe_ctx *pipe_ctx; + + for (i = 0; i < MAX_PIPES; i++) { + if (dc->current_state->res_ctx.pipe_ctx[i].stream + == stream) { + pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i]; + pipe_ctx->stream_res.opp->dyn_expansion = option; + pipe_ctx->stream_res.opp->funcs->opp_set_dyn_expansion( + pipe_ctx->stream_res.opp, + COLOR_SPACE_YCBCR601, + stream->timing.display_color_depth, + stream->signal); + } + } +} + +void dc_stream_set_dither_option(struct dc_stream_state *stream, + enum dc_dither_option option) +{ + struct bit_depth_reduction_params params; + struct dc_link *link = stream->link; + struct pipe_ctx *pipes = NULL; + int i; + + for (i = 0; i < MAX_PIPES; i++) { + if (link->dc->current_state->res_ctx.pipe_ctx[i].stream == + stream) { + pipes = &link->dc->current_state->res_ctx.pipe_ctx[i]; + break; + } + } + + if (!pipes) + return; + if (option > DITHER_OPTION_MAX) + return; + + stream->dither_option = option; + + memset(¶ms, 0, sizeof(params)); + resource_build_bit_depth_reduction_params(stream, ¶ms); + stream->bit_depth_params = params; + + if (pipes->plane_res.xfm && + pipes->plane_res.xfm->funcs->transform_set_pixel_storage_depth) { + pipes->plane_res.xfm->funcs->transform_set_pixel_storage_depth( + pipes->plane_res.xfm, + pipes->plane_res.scl_data.lb_params.depth, + &stream->bit_depth_params); + } + + pipes->stream_res.opp->funcs-> + opp_program_bit_depth_reduction(pipes->stream_res.opp, ¶ms); +} + +bool dc_stream_set_gamut_remap(struct dc *dc, const struct dc_stream_state *stream) +{ + int i; + bool ret = false; + struct pipe_ctx *pipes; + + for (i = 0; i < MAX_PIPES; i++) { + if (dc->current_state->res_ctx.pipe_ctx[i].stream == stream) { + pipes = &dc->current_state->res_ctx.pipe_ctx[i]; + dc->hwss.program_gamut_remap(pipes); + ret = true; + } + } + + return ret; +} + +bool dc_stream_program_csc_matrix(struct dc *dc, struct dc_stream_state *stream) +{ + int i; + bool ret = false; + struct pipe_ctx *pipes; + + for (i = 0; i < MAX_PIPES; i++) { + if (dc->current_state->res_ctx.pipe_ctx[i].stream + == stream) { + + pipes = &dc->current_state->res_ctx.pipe_ctx[i]; + dc->hwss.program_output_csc(dc, + pipes, + stream->output_color_space, + stream->csc_color_matrix.matrix, + pipes->stream_res.opp->inst); + ret = true; + } + } + + return ret; +} + +void dc_stream_set_static_screen_params(struct dc *dc, + struct dc_stream_state **streams, + int num_streams, + const struct dc_static_screen_params *params) +{ + int i, j; + struct pipe_ctx *pipes_affected[MAX_PIPES]; + int num_pipes_affected = 0; + + for (i = 0; i < num_streams; i++) { + struct dc_stream_state *stream = streams[i]; + + for (j = 0; j < MAX_PIPES; j++) { + if (dc->current_state->res_ctx.pipe_ctx[j].stream + == stream) { + pipes_affected[num_pipes_affected++] = + &dc->current_state->res_ctx.pipe_ctx[j]; + } + } + } + + dc->hwss.set_static_screen_control(pipes_affected, num_pipes_affected, params); +} + +static void dc_destruct(struct dc *dc) +{ + // reset link encoder assignment table on destruct + if (dc->res_pool && dc->res_pool->funcs->link_encs_assign) + link_enc_cfg_init(dc, dc->current_state); + + if (dc->current_state) { + dc_release_state(dc->current_state); + dc->current_state = NULL; + } + + destroy_links(dc); + + destroy_link_encoders(dc); + + if (dc->clk_mgr) { + dc_destroy_clk_mgr(dc->clk_mgr); + dc->clk_mgr = NULL; + } + + dc_destroy_resource_pool(dc); + + if (dc->link_srv) + link_destroy_link_service(&dc->link_srv); + + if (dc->ctx->gpio_service) + dal_gpio_service_destroy(&dc->ctx->gpio_service); + + if (dc->ctx->created_bios) + dal_bios_parser_destroy(&dc->ctx->dc_bios); + + dc_perf_trace_destroy(&dc->ctx->perf_trace); + + kfree(dc->ctx); + dc->ctx = NULL; + + kfree(dc->bw_vbios); + dc->bw_vbios = NULL; + + kfree(dc->bw_dceip); + dc->bw_dceip = NULL; + + kfree(dc->dcn_soc); + dc->dcn_soc = NULL; + + kfree(dc->dcn_ip); + dc->dcn_ip = NULL; + + kfree(dc->vm_helper); + dc->vm_helper = NULL; + +} + +static bool dc_construct_ctx(struct dc *dc, + const struct dc_init_data *init_params) +{ + struct dc_context *dc_ctx; + + dc_ctx = kzalloc(sizeof(*dc_ctx), GFP_KERNEL); + if (!dc_ctx) + return false; + + dc_ctx->cgs_device = init_params->cgs_device; + dc_ctx->driver_context = init_params->driver; + dc_ctx->dc = dc; + dc_ctx->asic_id = init_params->asic_id; + dc_ctx->dc_sink_id_count = 0; + dc_ctx->dc_stream_id_count = 0; + dc_ctx->dce_environment = init_params->dce_environment; + dc_ctx->dcn_reg_offsets = init_params->dcn_reg_offsets; + dc_ctx->nbio_reg_offsets = init_params->nbio_reg_offsets; + + /* Create logger */ + + dc_ctx->dce_version = resource_parse_asic_id(init_params->asic_id); + + dc_ctx->perf_trace = dc_perf_trace_create(); + if (!dc_ctx->perf_trace) { + kfree(dc_ctx); + ASSERT_CRITICAL(false); + return false; + } + + dc->ctx = dc_ctx; + + dc->link_srv = link_create_link_service(); + if (!dc->link_srv) + return false; + + return true; +} + +static bool dc_construct(struct dc *dc, + const struct dc_init_data *init_params) +{ + struct dc_context *dc_ctx; + struct bw_calcs_dceip *dc_dceip; + struct bw_calcs_vbios *dc_vbios; + struct dcn_soc_bounding_box *dcn_soc; + struct dcn_ip_params *dcn_ip; + + dc->config = init_params->flags; + + // Allocate memory for the vm_helper + dc->vm_helper = kzalloc(sizeof(struct vm_helper), GFP_KERNEL); + if (!dc->vm_helper) { + dm_error("%s: failed to create dc->vm_helper\n", __func__); + goto fail; + } + + memcpy(&dc->bb_overrides, &init_params->bb_overrides, sizeof(dc->bb_overrides)); + + dc_dceip = kzalloc(sizeof(*dc_dceip), GFP_KERNEL); + if (!dc_dceip) { + dm_error("%s: failed to create dceip\n", __func__); + goto fail; + } + + dc->bw_dceip = dc_dceip; + + dc_vbios = kzalloc(sizeof(*dc_vbios), GFP_KERNEL); + if (!dc_vbios) { + dm_error("%s: failed to create vbios\n", __func__); + goto fail; + } + + dc->bw_vbios = dc_vbios; + dcn_soc = kzalloc(sizeof(*dcn_soc), GFP_KERNEL); + if (!dcn_soc) { + dm_error("%s: failed to create dcn_soc\n", __func__); + goto fail; + } + + dc->dcn_soc = dcn_soc; + + dcn_ip = kzalloc(sizeof(*dcn_ip), GFP_KERNEL); + if (!dcn_ip) { + dm_error("%s: failed to create dcn_ip\n", __func__); + goto fail; + } + + dc->dcn_ip = dcn_ip; + + if (!dc_construct_ctx(dc, init_params)) { + dm_error("%s: failed to create ctx\n", __func__); + goto fail; + } + + dc_ctx = dc->ctx; + + /* Resource should construct all asic specific resources. + * This should be the only place where we need to parse the asic id + */ + if (init_params->vbios_override) + dc_ctx->dc_bios = init_params->vbios_override; + else { + /* Create BIOS parser */ + struct bp_init_data bp_init_data; + + bp_init_data.ctx = dc_ctx; + bp_init_data.bios = init_params->asic_id.atombios_base_address; + + dc_ctx->dc_bios = dal_bios_parser_create( + &bp_init_data, dc_ctx->dce_version); + + if (!dc_ctx->dc_bios) { + ASSERT_CRITICAL(false); + goto fail; + } + + dc_ctx->created_bios = true; + } + + dc->vendor_signature = init_params->vendor_signature; + + /* Create GPIO service */ + dc_ctx->gpio_service = dal_gpio_service_create( + dc_ctx->dce_version, + dc_ctx->dce_environment, + dc_ctx); + + if (!dc_ctx->gpio_service) { + ASSERT_CRITICAL(false); + goto fail; + } + + dc->res_pool = dc_create_resource_pool(dc, init_params, dc_ctx->dce_version); + if (!dc->res_pool) + goto fail; + + /* set i2c speed if not done by the respective dcnxxx__resource.c */ + if (dc->caps.i2c_speed_in_khz_hdcp == 0) + dc->caps.i2c_speed_in_khz_hdcp = dc->caps.i2c_speed_in_khz; + if (dc->caps.max_optimizable_video_width == 0) + dc->caps.max_optimizable_video_width = 5120; + dc->clk_mgr = dc_clk_mgr_create(dc->ctx, dc->res_pool->pp_smu, dc->res_pool->dccg); + if (!dc->clk_mgr) + goto fail; +#ifdef CONFIG_DRM_AMD_DC_FP + dc->clk_mgr->force_smu_not_present = init_params->force_smu_not_present; + + if (dc->res_pool->funcs->update_bw_bounding_box) { + DC_FP_START(); + dc->res_pool->funcs->update_bw_bounding_box(dc, dc->clk_mgr->bw_params); + DC_FP_END(); + } +#endif + + /* Creation of current_state must occur after dc->dml + * is initialized in dc_create_resource_pool because + * on creation it copies the contents of dc->dml + */ + + dc->current_state = dc_create_state(dc); + + if (!dc->current_state) { + dm_error("%s: failed to create validate ctx\n", __func__); + goto fail; + } + + if (!create_links(dc, init_params->num_virtual_links)) + goto fail; + + /* Create additional DIG link encoder objects if fewer than the platform + * supports were created during link construction. + */ + if (!create_link_encoders(dc)) + goto fail; + + dc_resource_state_construct(dc, dc->current_state); + + return true; + +fail: + return false; +} + +static void disable_all_writeback_pipes_for_stream( + const struct dc *dc, + struct dc_stream_state *stream, + struct dc_state *context) +{ + int i; + + for (i = 0; i < stream->num_wb_info; i++) + stream->writeback_info[i].wb_enabled = false; +} + +static void apply_ctx_interdependent_lock(struct dc *dc, + struct dc_state *context, + struct dc_stream_state *stream, + bool lock) +{ + int i; + + /* Checks if interdependent update function pointer is NULL or not, takes care of DCE110 case */ + if (dc->hwss.interdependent_update_lock) + dc->hwss.interdependent_update_lock(dc, context, lock); + else { + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i]; + struct pipe_ctx *old_pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i]; + + // Copied conditions that were previously in dce110_apply_ctx_for_surface + if (stream == pipe_ctx->stream) { + if (resource_is_pipe_type(pipe_ctx, OPP_HEAD) && + (pipe_ctx->plane_state || old_pipe_ctx->plane_state)) + dc->hwss.pipe_control_lock(dc, pipe_ctx, lock); + } + } + } +} + +static void dc_update_viusal_confirm_color(struct dc *dc, struct dc_state *context, struct pipe_ctx *pipe_ctx) +{ + if (dc->ctx->dce_version >= DCN_VERSION_1_0) { + memset(&pipe_ctx->visual_confirm_color, 0, sizeof(struct tg_color)); + + if (dc->debug.visual_confirm == VISUAL_CONFIRM_HDR) + get_hdr_visual_confirm_color(pipe_ctx, &(pipe_ctx->visual_confirm_color)); + else if (dc->debug.visual_confirm == VISUAL_CONFIRM_SURFACE) + get_surface_visual_confirm_color(pipe_ctx, &(pipe_ctx->visual_confirm_color)); + else if (dc->debug.visual_confirm == VISUAL_CONFIRM_SWIZZLE) + get_surface_tile_visual_confirm_color(pipe_ctx, &(pipe_ctx->visual_confirm_color)); + else { + if (dc->ctx->dce_version < DCN_VERSION_2_0) + color_space_to_black_color( + dc, pipe_ctx->stream->output_color_space, &(pipe_ctx->visual_confirm_color)); + } + if (dc->ctx->dce_version >= DCN_VERSION_2_0) { + if (dc->debug.visual_confirm == VISUAL_CONFIRM_MPCTREE) + get_mpctree_visual_confirm_color(pipe_ctx, &(pipe_ctx->visual_confirm_color)); + else if (dc->debug.visual_confirm == VISUAL_CONFIRM_SUBVP) + get_subvp_visual_confirm_color(dc, context, pipe_ctx, &(pipe_ctx->visual_confirm_color)); + else if (dc->debug.visual_confirm == VISUAL_CONFIRM_MCLK_SWITCH) + get_mclk_switch_visual_confirm_color(dc, context, pipe_ctx, &(pipe_ctx->visual_confirm_color)); + } + } +} + +static void disable_dangling_plane(struct dc *dc, struct dc_state *context) +{ + int i, j; + struct dc_state *dangling_context = dc_create_state(dc); + struct dc_state *current_ctx; + struct pipe_ctx *pipe; + struct timing_generator *tg; + + if (dangling_context == NULL) + return; + + dc_resource_state_copy_construct(dc->current_state, dangling_context); + + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct dc_stream_state *old_stream = + dc->current_state->res_ctx.pipe_ctx[i].stream; + bool should_disable = true; + bool pipe_split_change = false; + + if ((context->res_ctx.pipe_ctx[i].top_pipe) && + (dc->current_state->res_ctx.pipe_ctx[i].top_pipe)) + pipe_split_change = context->res_ctx.pipe_ctx[i].top_pipe->pipe_idx != + dc->current_state->res_ctx.pipe_ctx[i].top_pipe->pipe_idx; + else + pipe_split_change = context->res_ctx.pipe_ctx[i].top_pipe != + dc->current_state->res_ctx.pipe_ctx[i].top_pipe; + + for (j = 0; j < context->stream_count; j++) { + if (old_stream == context->streams[j]) { + should_disable = false; + break; + } + } + if (!should_disable && pipe_split_change && + dc->current_state->stream_count != context->stream_count) + should_disable = true; + + if (old_stream && !dc->current_state->res_ctx.pipe_ctx[i].top_pipe && + !dc->current_state->res_ctx.pipe_ctx[i].prev_odm_pipe) { + struct pipe_ctx *old_pipe, *new_pipe; + + old_pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + new_pipe = &context->res_ctx.pipe_ctx[i]; + + if (old_pipe->plane_state && !new_pipe->plane_state) + should_disable = true; + } + + if (should_disable && old_stream) { + pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + tg = pipe->stream_res.tg; + /* When disabling plane for a phantom pipe, we must turn on the + * phantom OTG so the disable programming gets the double buffer + * update. Otherwise the pipe will be left in a partially disabled + * state that can result in underflow or hang when enabling it + * again for different use. + */ + if (old_stream->mall_stream_config.type == SUBVP_PHANTOM) { + if (tg->funcs->enable_crtc) { + int main_pipe_width, main_pipe_height; + + main_pipe_width = old_stream->mall_stream_config.paired_stream->dst.width; + main_pipe_height = old_stream->mall_stream_config.paired_stream->dst.height; + if (dc->hwss.blank_phantom) + dc->hwss.blank_phantom(dc, tg, main_pipe_width, main_pipe_height); + tg->funcs->enable_crtc(tg); + } + } + dc_rem_all_planes_for_stream(dc, old_stream, dangling_context); + disable_all_writeback_pipes_for_stream(dc, old_stream, dangling_context); + + if (pipe->stream && pipe->plane_state) + dc_update_viusal_confirm_color(dc, context, pipe); + + if (dc->hwss.apply_ctx_for_surface) { + apply_ctx_interdependent_lock(dc, dc->current_state, old_stream, true); + dc->hwss.apply_ctx_for_surface(dc, old_stream, 0, dangling_context); + apply_ctx_interdependent_lock(dc, dc->current_state, old_stream, false); + dc->hwss.post_unlock_program_front_end(dc, dangling_context); + } + if (dc->hwss.program_front_end_for_ctx) { + dc->hwss.interdependent_update_lock(dc, dc->current_state, true); + dc->hwss.program_front_end_for_ctx(dc, dangling_context); + dc->hwss.interdependent_update_lock(dc, dc->current_state, false); + dc->hwss.post_unlock_program_front_end(dc, dangling_context); + } + /* We need to put the phantom OTG back into it's default (disabled) state or we + * can get corruption when transition from one SubVP config to a different one. + * The OTG is set to disable on falling edge of VUPDATE so the plane disable + * will still get it's double buffer update. + */ + if (old_stream->mall_stream_config.type == SUBVP_PHANTOM) { + if (tg->funcs->disable_phantom_crtc) + tg->funcs->disable_phantom_crtc(tg); + } + } + } + + current_ctx = dc->current_state; + dc->current_state = dangling_context; + dc_release_state(current_ctx); +} + +static void disable_vbios_mode_if_required( + struct dc *dc, + struct dc_state *context) +{ + unsigned int i, j; + + /* check if timing_changed, disable stream*/ + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct dc_stream_state *stream = NULL; + struct dc_link *link = NULL; + struct pipe_ctx *pipe = NULL; + + pipe = &context->res_ctx.pipe_ctx[i]; + stream = pipe->stream; + if (stream == NULL) + continue; + + if (stream->apply_seamless_boot_optimization) + continue; + + // only looking for first odm pipe + if (pipe->prev_odm_pipe) + continue; + + if (stream->link->local_sink && + stream->link->local_sink->sink_signal == SIGNAL_TYPE_EDP) { + link = stream->link; + } + + if (link != NULL && link->link_enc->funcs->is_dig_enabled(link->link_enc)) { + unsigned int enc_inst, tg_inst = 0; + unsigned int pix_clk_100hz; + + enc_inst = link->link_enc->funcs->get_dig_frontend(link->link_enc); + if (enc_inst != ENGINE_ID_UNKNOWN) { + for (j = 0; j < dc->res_pool->stream_enc_count; j++) { + if (dc->res_pool->stream_enc[j]->id == enc_inst) { + tg_inst = dc->res_pool->stream_enc[j]->funcs->dig_source_otg( + dc->res_pool->stream_enc[j]); + break; + } + } + + dc->res_pool->dp_clock_source->funcs->get_pixel_clk_frequency_100hz( + dc->res_pool->dp_clock_source, + tg_inst, &pix_clk_100hz); + + if (link->link_status.link_active) { + uint32_t requested_pix_clk_100hz = + pipe->stream_res.pix_clk_params.requested_pix_clk_100hz; + + if (pix_clk_100hz != requested_pix_clk_100hz) { + dc->link_srv->set_dpms_off(pipe); + pipe->stream->dpms_off = false; + } + } + } + } + } +} + +static void wait_for_no_pipes_pending(struct dc *dc, struct dc_state *context) +{ + int i; + PERF_TRACE(); + for (i = 0; i < MAX_PIPES; i++) { + int count = 0; + struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i]; + + if (!pipe->plane_state || pipe->stream->mall_stream_config.type == SUBVP_PHANTOM) + continue; + + /* Timeout 100 ms */ + while (count < 100000) { + /* Must set to false to start with, due to OR in update function */ + pipe->plane_state->status.is_flip_pending = false; + dc->hwss.update_pending_status(pipe); + if (!pipe->plane_state->status.is_flip_pending) + break; + udelay(1); + count++; + } + ASSERT(!pipe->plane_state->status.is_flip_pending); + } + PERF_TRACE(); +} + +/* Public functions */ + +struct dc *dc_create(const struct dc_init_data *init_params) +{ + struct dc *dc = kzalloc(sizeof(*dc), GFP_KERNEL); + unsigned int full_pipe_count; + + if (!dc) + return NULL; + + if (init_params->dce_environment == DCE_ENV_VIRTUAL_HW) { + if (!dc_construct_ctx(dc, init_params)) + goto destruct_dc; + } else { + if (!dc_construct(dc, init_params)) + goto destruct_dc; + + full_pipe_count = dc->res_pool->pipe_count; + if (dc->res_pool->underlay_pipe_index != NO_UNDERLAY_PIPE) + full_pipe_count--; + dc->caps.max_streams = min( + full_pipe_count, + dc->res_pool->stream_enc_count); + + dc->caps.max_links = dc->link_count; + dc->caps.max_audios = dc->res_pool->audio_count; + dc->caps.linear_pitch_alignment = 64; + + dc->caps.max_dp_protocol_version = DP_VERSION_1_4; + + dc->caps.max_otg_num = dc->res_pool->res_cap->num_timing_generator; + + if (dc->res_pool->dmcu != NULL) + dc->versions.dmcu_version = dc->res_pool->dmcu->dmcu_version; + } + + dc->dcn_reg_offsets = init_params->dcn_reg_offsets; + dc->nbio_reg_offsets = init_params->nbio_reg_offsets; + + /* Populate versioning information */ + dc->versions.dc_ver = DC_VER; + + dc->build_id = DC_BUILD_ID; + + DC_LOG_DC("Display Core initialized\n"); + + + + return dc; + +destruct_dc: + dc_destruct(dc); + kfree(dc); + return NULL; +} + +static void detect_edp_presence(struct dc *dc) +{ + struct dc_link *edp_links[MAX_NUM_EDP]; + struct dc_link *edp_link = NULL; + enum dc_connection_type type; + int i; + int edp_num; + + dc_get_edp_links(dc, edp_links, &edp_num); + if (!edp_num) + return; + + for (i = 0; i < edp_num; i++) { + edp_link = edp_links[i]; + if (dc->config.edp_not_connected) { + edp_link->edp_sink_present = false; + } else { + dc_link_detect_connection_type(edp_link, &type); + edp_link->edp_sink_present = (type != dc_connection_none); + } + } +} + +void dc_hardware_init(struct dc *dc) +{ + + detect_edp_presence(dc); + if (dc->ctx->dce_environment != DCE_ENV_VIRTUAL_HW) + dc->hwss.init_hw(dc); +} + +void dc_init_callbacks(struct dc *dc, + const struct dc_callback_init *init_params) +{ + dc->ctx->cp_psp = init_params->cp_psp; +} + +void dc_deinit_callbacks(struct dc *dc) +{ + memset(&dc->ctx->cp_psp, 0, sizeof(dc->ctx->cp_psp)); +} + +void dc_destroy(struct dc **dc) +{ + dc_destruct(*dc); + kfree(*dc); + *dc = NULL; +} + +static void enable_timing_multisync( + struct dc *dc, + struct dc_state *ctx) +{ + int i, multisync_count = 0; + int pipe_count = dc->res_pool->pipe_count; + struct pipe_ctx *multisync_pipes[MAX_PIPES] = { NULL }; + + for (i = 0; i < pipe_count; i++) { + if (!ctx->res_ctx.pipe_ctx[i].stream || + !ctx->res_ctx.pipe_ctx[i].stream->triggered_crtc_reset.enabled) + continue; + if (ctx->res_ctx.pipe_ctx[i].stream == ctx->res_ctx.pipe_ctx[i].stream->triggered_crtc_reset.event_source) + continue; + multisync_pipes[multisync_count] = &ctx->res_ctx.pipe_ctx[i]; + multisync_count++; + } + + if (multisync_count > 0) { + dc->hwss.enable_per_frame_crtc_position_reset( + dc, multisync_count, multisync_pipes); + } +} + +static void program_timing_sync( + struct dc *dc, + struct dc_state *ctx) +{ + int i, j, k; + int group_index = 0; + int num_group = 0; + int pipe_count = dc->res_pool->pipe_count; + struct pipe_ctx *unsynced_pipes[MAX_PIPES] = { NULL }; + + for (i = 0; i < pipe_count; i++) { + if (!ctx->res_ctx.pipe_ctx[i].stream + || ctx->res_ctx.pipe_ctx[i].top_pipe + || ctx->res_ctx.pipe_ctx[i].prev_odm_pipe) + continue; + + unsynced_pipes[i] = &ctx->res_ctx.pipe_ctx[i]; + } + + for (i = 0; i < pipe_count; i++) { + int group_size = 1; + enum timing_synchronization_type sync_type = NOT_SYNCHRONIZABLE; + struct pipe_ctx *pipe_set[MAX_PIPES]; + + if (!unsynced_pipes[i]) + continue; + + pipe_set[0] = unsynced_pipes[i]; + unsynced_pipes[i] = NULL; + + /* Add tg to the set, search rest of the tg's for ones with + * same timing, add all tgs with same timing to the group + */ + for (j = i + 1; j < pipe_count; j++) { + if (!unsynced_pipes[j]) + continue; + if (sync_type != TIMING_SYNCHRONIZABLE && + dc->hwss.enable_vblanks_synchronization && + unsynced_pipes[j]->stream_res.tg->funcs->align_vblanks && + resource_are_vblanks_synchronizable( + unsynced_pipes[j]->stream, + pipe_set[0]->stream)) { + sync_type = VBLANK_SYNCHRONIZABLE; + pipe_set[group_size] = unsynced_pipes[j]; + unsynced_pipes[j] = NULL; + group_size++; + } else + if (sync_type != VBLANK_SYNCHRONIZABLE && + resource_are_streams_timing_synchronizable( + unsynced_pipes[j]->stream, + pipe_set[0]->stream)) { + sync_type = TIMING_SYNCHRONIZABLE; + pipe_set[group_size] = unsynced_pipes[j]; + unsynced_pipes[j] = NULL; + group_size++; + } + } + + /* set first unblanked pipe as master */ + for (j = 0; j < group_size; j++) { + bool is_blanked; + + if (pipe_set[j]->stream_res.opp->funcs->dpg_is_blanked) + is_blanked = + pipe_set[j]->stream_res.opp->funcs->dpg_is_blanked(pipe_set[j]->stream_res.opp); + else + is_blanked = + pipe_set[j]->stream_res.tg->funcs->is_blanked(pipe_set[j]->stream_res.tg); + if (!is_blanked) { + if (j == 0) + break; + + swap(pipe_set[0], pipe_set[j]); + break; + } + } + + for (k = 0; k < group_size; k++) { + struct dc_stream_status *status = dc_stream_get_status_from_state(ctx, pipe_set[k]->stream); + + status->timing_sync_info.group_id = num_group; + status->timing_sync_info.group_size = group_size; + if (k == 0) + status->timing_sync_info.master = true; + else + status->timing_sync_info.master = false; + + } + + /* remove any other pipes that are already been synced */ + if (dc->config.use_pipe_ctx_sync_logic) { + /* check pipe's syncd to decide which pipe to be removed */ + for (j = 1; j < group_size; j++) { + if (pipe_set[j]->pipe_idx_syncd == pipe_set[0]->pipe_idx_syncd) { + group_size--; + pipe_set[j] = pipe_set[group_size]; + j--; + } else + /* link slave pipe's syncd with master pipe */ + pipe_set[j]->pipe_idx_syncd = pipe_set[0]->pipe_idx_syncd; + } + } else { + for (j = j + 1; j < group_size; j++) { + bool is_blanked; + + if (pipe_set[j]->stream_res.opp->funcs->dpg_is_blanked) + is_blanked = + pipe_set[j]->stream_res.opp->funcs->dpg_is_blanked(pipe_set[j]->stream_res.opp); + else + is_blanked = + pipe_set[j]->stream_res.tg->funcs->is_blanked(pipe_set[j]->stream_res.tg); + if (!is_blanked) { + group_size--; + pipe_set[j] = pipe_set[group_size]; + j--; + } + } + } + + if (group_size > 1) { + if (sync_type == TIMING_SYNCHRONIZABLE) { + dc->hwss.enable_timing_synchronization( + dc, group_index, group_size, pipe_set); + } else + if (sync_type == VBLANK_SYNCHRONIZABLE) { + dc->hwss.enable_vblanks_synchronization( + dc, group_index, group_size, pipe_set); + } + group_index++; + } + num_group++; + } +} + +static bool streams_changed(struct dc *dc, + struct dc_stream_state *streams[], + uint8_t stream_count) +{ + uint8_t i; + + if (stream_count != dc->current_state->stream_count) + return true; + + for (i = 0; i < dc->current_state->stream_count; i++) { + if (dc->current_state->streams[i] != streams[i]) + return true; + if (!streams[i]->link->link_state_valid) + return true; + } + + return false; +} + +bool dc_validate_boot_timing(const struct dc *dc, + const struct dc_sink *sink, + struct dc_crtc_timing *crtc_timing) +{ + struct timing_generator *tg; + struct stream_encoder *se = NULL; + + struct dc_crtc_timing hw_crtc_timing = {0}; + + struct dc_link *link = sink->link; + unsigned int i, enc_inst, tg_inst = 0; + + /* Support seamless boot on EDP displays only */ + if (sink->sink_signal != SIGNAL_TYPE_EDP) { + return false; + } + + if (dc->debug.force_odm_combine) + return false; + + /* Check for enabled DIG to identify enabled display */ + if (!link->link_enc->funcs->is_dig_enabled(link->link_enc)) + return false; + + enc_inst = link->link_enc->funcs->get_dig_frontend(link->link_enc); + + if (enc_inst == ENGINE_ID_UNKNOWN) + return false; + + for (i = 0; i < dc->res_pool->stream_enc_count; i++) { + if (dc->res_pool->stream_enc[i]->id == enc_inst) { + + se = dc->res_pool->stream_enc[i]; + + tg_inst = dc->res_pool->stream_enc[i]->funcs->dig_source_otg( + dc->res_pool->stream_enc[i]); + break; + } + } + + // tg_inst not found + if (i == dc->res_pool->stream_enc_count) + return false; + + if (tg_inst >= dc->res_pool->timing_generator_count) + return false; + + if (tg_inst != link->link_enc->preferred_engine) + return false; + + tg = dc->res_pool->timing_generators[tg_inst]; + + if (!tg->funcs->get_hw_timing) + return false; + + if (!tg->funcs->get_hw_timing(tg, &hw_crtc_timing)) + return false; + + if (crtc_timing->h_total != hw_crtc_timing.h_total) + return false; + + if (crtc_timing->h_border_left != hw_crtc_timing.h_border_left) + return false; + + if (crtc_timing->h_addressable != hw_crtc_timing.h_addressable) + return false; + + if (crtc_timing->h_border_right != hw_crtc_timing.h_border_right) + return false; + + if (crtc_timing->h_front_porch != hw_crtc_timing.h_front_porch) + return false; + + if (crtc_timing->h_sync_width != hw_crtc_timing.h_sync_width) + return false; + + if (crtc_timing->v_total != hw_crtc_timing.v_total) + return false; + + if (crtc_timing->v_border_top != hw_crtc_timing.v_border_top) + return false; + + if (crtc_timing->v_addressable != hw_crtc_timing.v_addressable) + return false; + + if (crtc_timing->v_border_bottom != hw_crtc_timing.v_border_bottom) + return false; + + if (crtc_timing->v_front_porch != hw_crtc_timing.v_front_porch) + return false; + + if (crtc_timing->v_sync_width != hw_crtc_timing.v_sync_width) + return false; + + /* block DSC for now, as VBIOS does not currently support DSC timings */ + if (crtc_timing->flags.DSC) + return false; + + if (dc_is_dp_signal(link->connector_signal)) { + unsigned int pix_clk_100hz; + uint32_t numOdmPipes = 1; + uint32_t id_src[4] = {0}; + + dc->res_pool->dp_clock_source->funcs->get_pixel_clk_frequency_100hz( + dc->res_pool->dp_clock_source, + tg_inst, &pix_clk_100hz); + + if (tg->funcs->get_optc_source) + tg->funcs->get_optc_source(tg, + &numOdmPipes, &id_src[0], &id_src[1]); + + if (numOdmPipes == 2) + pix_clk_100hz *= 2; + if (numOdmPipes == 4) + pix_clk_100hz *= 4; + + // Note: In rare cases, HW pixclk may differ from crtc's pixclk + // slightly due to rounding issues in 10 kHz units. + if (crtc_timing->pix_clk_100hz != pix_clk_100hz) + return false; + + if (!se->funcs->dp_get_pixel_format) + return false; + + if (!se->funcs->dp_get_pixel_format( + se, + &hw_crtc_timing.pixel_encoding, + &hw_crtc_timing.display_color_depth)) + return false; + + if (hw_crtc_timing.display_color_depth != crtc_timing->display_color_depth) + return false; + + if (hw_crtc_timing.pixel_encoding != crtc_timing->pixel_encoding) + return false; + } + + if (link->dpcd_caps.dprx_feature.bits.VSC_SDP_COLORIMETRY_SUPPORTED) { + return false; + } + + if (dc->link_srv->edp_is_ilr_optimization_required(link, crtc_timing)) { + DC_LOG_EVENT_LINK_TRAINING("Seamless boot disabled to optimize eDP link rate\n"); + return false; + } + + return true; +} + +static inline bool should_update_pipe_for_stream( + struct dc_state *context, + struct pipe_ctx *pipe_ctx, + struct dc_stream_state *stream) +{ + return (pipe_ctx->stream && pipe_ctx->stream == stream); +} + +static inline bool should_update_pipe_for_plane( + struct dc_state *context, + struct pipe_ctx *pipe_ctx, + struct dc_plane_state *plane_state) +{ + return (pipe_ctx->plane_state == plane_state); +} + +void dc_enable_stereo( + struct dc *dc, + struct dc_state *context, + struct dc_stream_state *streams[], + uint8_t stream_count) +{ + int i, j; + struct pipe_ctx *pipe; + + for (i = 0; i < MAX_PIPES; i++) { + if (context != NULL) { + pipe = &context->res_ctx.pipe_ctx[i]; + } else { + context = dc->current_state; + pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + } + + for (j = 0; pipe && j < stream_count; j++) { + if (should_update_pipe_for_stream(context, pipe, streams[j]) && + dc->hwss.setup_stereo) + dc->hwss.setup_stereo(pipe, dc); + } + } +} + +void dc_trigger_sync(struct dc *dc, struct dc_state *context) +{ + if (context->stream_count > 1 && !dc->debug.disable_timing_sync) { + enable_timing_multisync(dc, context); + program_timing_sync(dc, context); + } +} + +static uint8_t get_stream_mask(struct dc *dc, struct dc_state *context) +{ + int i; + unsigned int stream_mask = 0; + + for (i = 0; i < dc->res_pool->pipe_count; i++) { + if (context->res_ctx.pipe_ctx[i].stream) + stream_mask |= 1 << i; + } + + return stream_mask; +} + +void dc_z10_restore(const struct dc *dc) +{ + if (dc->hwss.z10_restore) + dc->hwss.z10_restore(dc); +} + +void dc_z10_save_init(struct dc *dc) +{ + if (dc->hwss.z10_save_init) + dc->hwss.z10_save_init(dc); +} + +/** + * dc_commit_state_no_check - Apply context to the hardware + * + * @dc: DC object with the current status to be updated + * @context: New state that will become the current status at the end of this function + * + * Applies given context to the hardware and copy it into current context. + * It's up to the user to release the src context afterwards. + * + * Return: an enum dc_status result code for the operation + */ +static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *context) +{ + struct dc_bios *dcb = dc->ctx->dc_bios; + enum dc_status result = DC_ERROR_UNEXPECTED; + struct pipe_ctx *pipe; + int i, k, l; + struct dc_stream_state *dc_streams[MAX_STREAMS] = {0}; + struct dc_state *old_state; + bool subvp_prev_use = false; + + dc_z10_restore(dc); + dc_allow_idle_optimizations(dc, false); + + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *old_pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + + /* Check old context for SubVP */ + subvp_prev_use |= (old_pipe->stream && old_pipe->stream->mall_stream_config.type == SUBVP_PHANTOM); + if (subvp_prev_use) + break; + } + + for (i = 0; i < context->stream_count; i++) + dc_streams[i] = context->streams[i]; + + if (!dcb->funcs->is_accelerated_mode(dcb)) { + disable_vbios_mode_if_required(dc, context); + dc->hwss.enable_accelerated_mode(dc, context); + } + + if (context->stream_count > get_seamless_boot_stream_count(context) || + context->stream_count == 0) + dc->hwss.prepare_bandwidth(dc, context); + + /* When SubVP is active, all HW programming must be done while + * SubVP lock is acquired + */ + if (dc->hwss.subvp_pipe_control_lock) + dc->hwss.subvp_pipe_control_lock(dc, context, true, true, NULL, subvp_prev_use); + + if (dc->hwss.update_dsc_pg) + dc->hwss.update_dsc_pg(dc, context, false); + + disable_dangling_plane(dc, context); + /* re-program planes for existing stream, in case we need to + * free up plane resource for later use + */ + if (dc->hwss.apply_ctx_for_surface) { + for (i = 0; i < context->stream_count; i++) { + if (context->streams[i]->mode_changed) + continue; + apply_ctx_interdependent_lock(dc, context, context->streams[i], true); + dc->hwss.apply_ctx_for_surface( + dc, context->streams[i], + context->stream_status[i].plane_count, + context); /* use new pipe config in new context */ + apply_ctx_interdependent_lock(dc, context, context->streams[i], false); + dc->hwss.post_unlock_program_front_end(dc, context); + } + } + + /* Program hardware */ + for (i = 0; i < dc->res_pool->pipe_count; i++) { + pipe = &context->res_ctx.pipe_ctx[i]; + dc->hwss.wait_for_mpcc_disconnect(dc, dc->res_pool, pipe); + } + + result = dc->hwss.apply_ctx_to_hw(dc, context); + + if (result != DC_OK) { + /* Application of dc_state to hardware stopped. */ + dc->current_state->res_ctx.link_enc_cfg_ctx.mode = LINK_ENC_CFG_STEADY; + return result; + } + + dc_trigger_sync(dc, context); + + /* Full update should unconditionally be triggered when dc_commit_state_no_check is called */ + for (i = 0; i < context->stream_count; i++) { + uint32_t prev_dsc_changed = context->streams[i]->update_flags.bits.dsc_changed; + + context->streams[i]->update_flags.raw = 0xFFFFFFFF; + context->streams[i]->update_flags.bits.dsc_changed = prev_dsc_changed; + } + + /* Program all planes within new context*/ + if (dc->hwss.program_front_end_for_ctx) { + dc->hwss.interdependent_update_lock(dc, context, true); + dc->hwss.program_front_end_for_ctx(dc, context); + dc->hwss.interdependent_update_lock(dc, context, false); + dc->hwss.post_unlock_program_front_end(dc, context); + } + + if (dc->hwss.commit_subvp_config) + dc->hwss.commit_subvp_config(dc, context); + if (dc->hwss.subvp_pipe_control_lock) + dc->hwss.subvp_pipe_control_lock(dc, context, false, true, NULL, subvp_prev_use); + + for (i = 0; i < context->stream_count; i++) { + const struct dc_link *link = context->streams[i]->link; + + if (!context->streams[i]->mode_changed) + continue; + + if (dc->hwss.apply_ctx_for_surface) { + apply_ctx_interdependent_lock(dc, context, context->streams[i], true); + dc->hwss.apply_ctx_for_surface( + dc, context->streams[i], + context->stream_status[i].plane_count, + context); + apply_ctx_interdependent_lock(dc, context, context->streams[i], false); + dc->hwss.post_unlock_program_front_end(dc, context); + } + + /* + * enable stereo + * TODO rework dc_enable_stereo call to work with validation sets? + */ + for (k = 0; k < MAX_PIPES; k++) { + pipe = &context->res_ctx.pipe_ctx[k]; + + for (l = 0 ; pipe && l < context->stream_count; l++) { + if (context->streams[l] && + context->streams[l] == pipe->stream && + dc->hwss.setup_stereo) + dc->hwss.setup_stereo(pipe, dc); + } + } + + CONN_MSG_MODE(link, "{%dx%d, %dx%d@%dKhz}", + context->streams[i]->timing.h_addressable, + context->streams[i]->timing.v_addressable, + context->streams[i]->timing.h_total, + context->streams[i]->timing.v_total, + context->streams[i]->timing.pix_clk_100hz / 10); + } + + dc_enable_stereo(dc, context, dc_streams, context->stream_count); + + if (context->stream_count > get_seamless_boot_stream_count(context) || + context->stream_count == 0) { + /* Must wait for no flips to be pending before doing optimize bw */ + wait_for_no_pipes_pending(dc, context); + /* pplib is notified if disp_num changed */ + dc->hwss.optimize_bandwidth(dc, context); + } + + if (dc->hwss.update_dsc_pg) + dc->hwss.update_dsc_pg(dc, context, true); + + if (dc->ctx->dce_version >= DCE_VERSION_MAX) + TRACE_DCN_CLOCK_STATE(&context->bw_ctx.bw.dcn.clk); + else + TRACE_DCE_CLOCK_STATE(&context->bw_ctx.bw.dce); + + context->stream_mask = get_stream_mask(dc, context); + + if (context->stream_mask != dc->current_state->stream_mask) + dc_dmub_srv_notify_stream_mask(dc->ctx->dmub_srv, context->stream_mask); + + for (i = 0; i < context->stream_count; i++) + context->streams[i]->mode_changed = false; + + /* Clear update flags that were set earlier to avoid redundant programming */ + for (i = 0; i < context->stream_count; i++) { + context->streams[i]->update_flags.raw = 0x0; + } + + old_state = dc->current_state; + dc->current_state = context; + + dc_release_state(old_state); + + dc_retain_state(dc->current_state); + + return result; +} + +static bool commit_minimal_transition_state(struct dc *dc, + struct dc_state *transition_base_context); + +/** + * dc_commit_streams - Commit current stream state + * + * @dc: DC object with the commit state to be configured in the hardware + * @streams: Array with a list of stream state + * @stream_count: Total of streams + * + * Function responsible for commit streams change to the hardware. + * + * Return: + * Return DC_OK if everything work as expected, otherwise, return a dc_status + * code. + */ +enum dc_status dc_commit_streams(struct dc *dc, + struct dc_stream_state *streams[], + uint8_t stream_count) +{ + int i, j; + struct dc_state *context; + enum dc_status res = DC_OK; + struct dc_validation_set set[MAX_STREAMS] = {0}; + struct pipe_ctx *pipe; + bool handle_exit_odm2to1 = false; + + if (dc->ctx->dce_environment == DCE_ENV_VIRTUAL_HW) + return res; + + if (!streams_changed(dc, streams, stream_count)) + return res; + + DC_LOG_DC("%s: %d streams\n", __func__, stream_count); + + for (i = 0; i < stream_count; i++) { + struct dc_stream_state *stream = streams[i]; + struct dc_stream_status *status = dc_stream_get_status(stream); + + dc_stream_log(dc, stream); + + set[i].stream = stream; + + if (status) { + set[i].plane_count = status->plane_count; + for (j = 0; j < status->plane_count; j++) + set[i].plane_states[j] = status->plane_states[j]; + } + } + + /* ODM Combine 2:1 power optimization is only applied for single stream + * scenario, it uses extra pipes than needed to reduce power consumption + * We need to switch off this feature to make room for new streams. + */ + if (stream_count > dc->current_state->stream_count && + dc->current_state->stream_count == 1) { + for (i = 0; i < dc->res_pool->pipe_count; i++) { + pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + if (pipe->next_odm_pipe) + handle_exit_odm2to1 = true; + } + } + + if (handle_exit_odm2to1) + res = commit_minimal_transition_state(dc, dc->current_state); + + context = dc_create_state(dc); + if (!context) + goto context_alloc_fail; + + dc_resource_state_copy_construct_current(dc, context); + + res = dc_validate_with_context(dc, set, stream_count, context, false); + if (res != DC_OK) { + BREAK_TO_DEBUGGER(); + goto fail; + } + + res = dc_commit_state_no_check(dc, context); + + for (i = 0; i < stream_count; i++) { + for (j = 0; j < context->stream_count; j++) { + if (streams[i]->stream_id == context->streams[j]->stream_id) + streams[i]->out.otg_offset = context->stream_status[j].primary_otg_inst; + + if (dc_is_embedded_signal(streams[i]->signal)) { + struct dc_stream_status *status = dc_stream_get_status_from_state(context, streams[i]); + + if (dc->hwss.is_abm_supported) + status->is_abm_supported = dc->hwss.is_abm_supported(dc, context, streams[i]); + else + status->is_abm_supported = true; + } + } + } + +fail: + dc_release_state(context); + +context_alloc_fail: + + DC_LOG_DC("%s Finished.\n", __func__); + + return res; +} + +bool dc_acquire_release_mpc_3dlut( + struct dc *dc, bool acquire, + struct dc_stream_state *stream, + struct dc_3dlut **lut, + struct dc_transfer_func **shaper) +{ + int pipe_idx; + bool ret = false; + bool found_pipe_idx = false; + const struct resource_pool *pool = dc->res_pool; + struct resource_context *res_ctx = &dc->current_state->res_ctx; + int mpcc_id = 0; + + if (pool && res_ctx) { + if (acquire) { + /*find pipe idx for the given stream*/ + for (pipe_idx = 0; pipe_idx < pool->pipe_count; pipe_idx++) { + if (res_ctx->pipe_ctx[pipe_idx].stream == stream) { + found_pipe_idx = true; + mpcc_id = res_ctx->pipe_ctx[pipe_idx].plane_res.hubp->inst; + break; + } + } + } else + found_pipe_idx = true;/*for release pipe_idx is not required*/ + + if (found_pipe_idx) { + if (acquire && pool->funcs->acquire_post_bldn_3dlut) + ret = pool->funcs->acquire_post_bldn_3dlut(res_ctx, pool, mpcc_id, lut, shaper); + else if (!acquire && pool->funcs->release_post_bldn_3dlut) + ret = pool->funcs->release_post_bldn_3dlut(res_ctx, pool, lut, shaper); + } + } + return ret; +} + +static bool is_flip_pending_in_pipes(struct dc *dc, struct dc_state *context) +{ + int i; + struct pipe_ctx *pipe; + + for (i = 0; i < MAX_PIPES; i++) { + pipe = &context->res_ctx.pipe_ctx[i]; + + // Don't check flip pending on phantom pipes + if (!pipe->plane_state || (pipe->stream && pipe->stream->mall_stream_config.type == SUBVP_PHANTOM)) + continue; + + /* Must set to false to start with, due to OR in update function */ + pipe->plane_state->status.is_flip_pending = false; + dc->hwss.update_pending_status(pipe); + if (pipe->plane_state->status.is_flip_pending) + return true; + } + return false; +} + +/* Perform updates here which need to be deferred until next vupdate + * + * i.e. blnd lut, 3dlut, and shaper lut bypass regs are double buffered + * but forcing lut memory to shutdown state is immediate. This causes + * single frame corruption as lut gets disabled mid-frame unless shutdown + * is deferred until after entering bypass. + */ +static void process_deferred_updates(struct dc *dc) +{ + int i = 0; + + if (dc->debug.enable_mem_low_power.bits.cm) { + ASSERT(dc->dcn_ip->max_num_dpp); + for (i = 0; i < dc->dcn_ip->max_num_dpp; i++) + if (dc->res_pool->dpps[i]->funcs->dpp_deferred_update) + dc->res_pool->dpps[i]->funcs->dpp_deferred_update(dc->res_pool->dpps[i]); + } +} + +void dc_post_update_surfaces_to_stream(struct dc *dc) +{ + int i; + struct dc_state *context = dc->current_state; + + if ((!dc->optimized_required) || get_seamless_boot_stream_count(context) > 0) + return; + + post_surface_trace(dc); + + /* + * Only relevant for DCN behavior where we can guarantee the optimization + * is safe to apply - retain the legacy behavior for DCE. + */ + + if (dc->ctx->dce_version < DCE_VERSION_MAX) + TRACE_DCE_CLOCK_STATE(&context->bw_ctx.bw.dce); + else { + TRACE_DCN_CLOCK_STATE(&context->bw_ctx.bw.dcn.clk); + + if (is_flip_pending_in_pipes(dc, context)) + return; + + for (i = 0; i < dc->res_pool->pipe_count; i++) + if (context->res_ctx.pipe_ctx[i].stream == NULL || + context->res_ctx.pipe_ctx[i].plane_state == NULL) { + context->res_ctx.pipe_ctx[i].pipe_idx = i; + dc->hwss.disable_plane(dc, &context->res_ctx.pipe_ctx[i]); + } + + process_deferred_updates(dc); + + dc->hwss.optimize_bandwidth(dc, context); + + if (dc->hwss.update_dsc_pg) + dc->hwss.update_dsc_pg(dc, context, true); + } + + dc->optimized_required = false; + dc->wm_optimized_required = false; +} + +static void init_state(struct dc *dc, struct dc_state *context) +{ + /* Each context must have their own instance of VBA and in order to + * initialize and obtain IP and SOC the base DML instance from DC is + * initially copied into every context + */ + memcpy(&context->bw_ctx.dml, &dc->dml, sizeof(struct display_mode_lib)); +} + +struct dc_state *dc_create_state(struct dc *dc) +{ + struct dc_state *context = kvzalloc(sizeof(struct dc_state), + GFP_KERNEL); + + if (!context) + return NULL; + + init_state(dc, context); + + kref_init(&context->refcount); + + return context; +} + +struct dc_state *dc_copy_state(struct dc_state *src_ctx) +{ + int i, j; + struct dc_state *new_ctx = kvmalloc(sizeof(struct dc_state), GFP_KERNEL); + + if (!new_ctx) + return NULL; + memcpy(new_ctx, src_ctx, sizeof(struct dc_state)); + + for (i = 0; i < MAX_PIPES; i++) { + struct pipe_ctx *cur_pipe = &new_ctx->res_ctx.pipe_ctx[i]; + + if (cur_pipe->top_pipe) + cur_pipe->top_pipe = &new_ctx->res_ctx.pipe_ctx[cur_pipe->top_pipe->pipe_idx]; + + if (cur_pipe->bottom_pipe) + cur_pipe->bottom_pipe = &new_ctx->res_ctx.pipe_ctx[cur_pipe->bottom_pipe->pipe_idx]; + + if (cur_pipe->prev_odm_pipe) + cur_pipe->prev_odm_pipe = &new_ctx->res_ctx.pipe_ctx[cur_pipe->prev_odm_pipe->pipe_idx]; + + if (cur_pipe->next_odm_pipe) + cur_pipe->next_odm_pipe = &new_ctx->res_ctx.pipe_ctx[cur_pipe->next_odm_pipe->pipe_idx]; + + } + + for (i = 0; i < new_ctx->stream_count; i++) { + dc_stream_retain(new_ctx->streams[i]); + for (j = 0; j < new_ctx->stream_status[i].plane_count; j++) + dc_plane_state_retain( + new_ctx->stream_status[i].plane_states[j]); + } + + kref_init(&new_ctx->refcount); + + return new_ctx; +} + +void dc_retain_state(struct dc_state *context) +{ + kref_get(&context->refcount); +} + +static void dc_state_free(struct kref *kref) +{ + struct dc_state *context = container_of(kref, struct dc_state, refcount); + dc_resource_state_destruct(context); + kvfree(context); +} + +void dc_release_state(struct dc_state *context) +{ + kref_put(&context->refcount, dc_state_free); +} + +bool dc_set_generic_gpio_for_stereo(bool enable, + struct gpio_service *gpio_service) +{ + enum gpio_result gpio_result = GPIO_RESULT_NON_SPECIFIC_ERROR; + struct gpio_pin_info pin_info; + struct gpio *generic; + struct gpio_generic_mux_config *config = kzalloc(sizeof(struct gpio_generic_mux_config), + GFP_KERNEL); + + if (!config) + return false; + pin_info = dal_gpio_get_generic_pin_info(gpio_service, GPIO_ID_GENERIC, 0); + + if (pin_info.mask == 0xFFFFFFFF || pin_info.offset == 0xFFFFFFFF) { + kfree(config); + return false; + } else { + generic = dal_gpio_service_create_generic_mux( + gpio_service, + pin_info.offset, + pin_info.mask); + } + + if (!generic) { + kfree(config); + return false; + } + + gpio_result = dal_gpio_open(generic, GPIO_MODE_OUTPUT); + + config->enable_output_from_mux = enable; + config->mux_select = GPIO_SIGNAL_SOURCE_PASS_THROUGH_STEREO_SYNC; + + if (gpio_result == GPIO_RESULT_OK) + gpio_result = dal_mux_setup_config(generic, config); + + if (gpio_result == GPIO_RESULT_OK) { + dal_gpio_close(generic); + dal_gpio_destroy_generic_mux(&generic); + kfree(config); + return true; + } else { + dal_gpio_close(generic); + dal_gpio_destroy_generic_mux(&generic); + kfree(config); + return false; + } +} + +static bool is_surface_in_context( + const struct dc_state *context, + const struct dc_plane_state *plane_state) +{ + int j; + + for (j = 0; j < MAX_PIPES; j++) { + const struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j]; + + if (plane_state == pipe_ctx->plane_state) { + return true; + } + } + + return false; +} + +static enum surface_update_type get_plane_info_update_type(const struct dc_surface_update *u) +{ + union surface_update_flags *update_flags = &u->surface->update_flags; + enum surface_update_type update_type = UPDATE_TYPE_FAST; + + if (!u->plane_info) + return UPDATE_TYPE_FAST; + + if (u->plane_info->color_space != u->surface->color_space) { + update_flags->bits.color_space_change = 1; + elevate_update_type(&update_type, UPDATE_TYPE_MED); + } + + if (u->plane_info->horizontal_mirror != u->surface->horizontal_mirror) { + update_flags->bits.horizontal_mirror_change = 1; + elevate_update_type(&update_type, UPDATE_TYPE_MED); + } + + if (u->plane_info->rotation != u->surface->rotation) { + update_flags->bits.rotation_change = 1; + elevate_update_type(&update_type, UPDATE_TYPE_FULL); + } + + if (u->plane_info->format != u->surface->format) { + update_flags->bits.pixel_format_change = 1; + elevate_update_type(&update_type, UPDATE_TYPE_FULL); + } + + if (u->plane_info->stereo_format != u->surface->stereo_format) { + update_flags->bits.stereo_format_change = 1; + elevate_update_type(&update_type, UPDATE_TYPE_FULL); + } + + if (u->plane_info->per_pixel_alpha != u->surface->per_pixel_alpha) { + update_flags->bits.per_pixel_alpha_change = 1; + elevate_update_type(&update_type, UPDATE_TYPE_MED); + } + + if (u->plane_info->global_alpha_value != u->surface->global_alpha_value) { + update_flags->bits.global_alpha_change = 1; + elevate_update_type(&update_type, UPDATE_TYPE_MED); + } + + if (u->plane_info->dcc.enable != u->surface->dcc.enable + || u->plane_info->dcc.dcc_ind_blk != u->surface->dcc.dcc_ind_blk + || u->plane_info->dcc.meta_pitch != u->surface->dcc.meta_pitch) { + /* During DCC on/off, stutter period is calculated before + * DCC has fully transitioned. This results in incorrect + * stutter period calculation. Triggering a full update will + * recalculate stutter period. + */ + update_flags->bits.dcc_change = 1; + elevate_update_type(&update_type, UPDATE_TYPE_FULL); + } + + if (resource_pixel_format_to_bpp(u->plane_info->format) != + resource_pixel_format_to_bpp(u->surface->format)) { + /* different bytes per element will require full bandwidth + * and DML calculation + */ + update_flags->bits.bpp_change = 1; + elevate_update_type(&update_type, UPDATE_TYPE_FULL); + } + + if (u->plane_info->plane_size.surface_pitch != u->surface->plane_size.surface_pitch + || u->plane_info->plane_size.chroma_pitch != u->surface->plane_size.chroma_pitch) { + update_flags->bits.plane_size_change = 1; + elevate_update_type(&update_type, UPDATE_TYPE_MED); + } + + + if (memcmp(&u->plane_info->tiling_info, &u->surface->tiling_info, + sizeof(union dc_tiling_info)) != 0) { + update_flags->bits.swizzle_change = 1; + elevate_update_type(&update_type, UPDATE_TYPE_MED); + + /* todo: below are HW dependent, we should add a hook to + * DCE/N resource and validated there. + */ + if (u->plane_info->tiling_info.gfx9.swizzle != DC_SW_LINEAR) { + /* swizzled mode requires RQ to be setup properly, + * thus need to run DML to calculate RQ settings + */ + update_flags->bits.bandwidth_change = 1; + elevate_update_type(&update_type, UPDATE_TYPE_FULL); + } + } + + /* This should be UPDATE_TYPE_FAST if nothing has changed. */ + return update_type; +} + +static enum surface_update_type get_scaling_info_update_type( + const struct dc *dc, + const struct dc_surface_update *u) +{ + union surface_update_flags *update_flags = &u->surface->update_flags; + + if (!u->scaling_info) + return UPDATE_TYPE_FAST; + + if (u->scaling_info->dst_rect.width != u->surface->dst_rect.width + || u->scaling_info->dst_rect.height != u->surface->dst_rect.height + || u->scaling_info->scaling_quality.integer_scaling != + u->surface->scaling_quality.integer_scaling + ) { + update_flags->bits.scaling_change = 1; + + if ((u->scaling_info->dst_rect.width < u->surface->dst_rect.width + || u->scaling_info->dst_rect.height < u->surface->dst_rect.height) + && (u->scaling_info->dst_rect.width < u->surface->src_rect.width + || u->scaling_info->dst_rect.height < u->surface->src_rect.height)) + /* Making dst rect smaller requires a bandwidth change */ + update_flags->bits.bandwidth_change = 1; + } + + if (u->scaling_info->src_rect.width != u->surface->src_rect.width + || u->scaling_info->src_rect.height != u->surface->src_rect.height) { + + update_flags->bits.scaling_change = 1; + if (u->scaling_info->src_rect.width > u->surface->src_rect.width + || u->scaling_info->src_rect.height > u->surface->src_rect.height) + /* Making src rect bigger requires a bandwidth change */ + update_flags->bits.clock_change = 1; + } + + if (u->scaling_info->src_rect.width > dc->caps.max_optimizable_video_width && + (u->scaling_info->clip_rect.width > u->surface->clip_rect.width || + u->scaling_info->clip_rect.height > u->surface->clip_rect.height)) + /* Changing clip size of a large surface may result in MPC slice count change */ + update_flags->bits.bandwidth_change = 1; + + if (u->scaling_info->src_rect.x != u->surface->src_rect.x + || u->scaling_info->src_rect.y != u->surface->src_rect.y + || u->scaling_info->clip_rect.x != u->surface->clip_rect.x + || u->scaling_info->clip_rect.y != u->surface->clip_rect.y + || u->scaling_info->dst_rect.x != u->surface->dst_rect.x + || u->scaling_info->dst_rect.y != u->surface->dst_rect.y) + update_flags->bits.position_change = 1; + + if (update_flags->bits.clock_change + || update_flags->bits.bandwidth_change + || update_flags->bits.scaling_change) + return UPDATE_TYPE_FULL; + + if (update_flags->bits.position_change) + return UPDATE_TYPE_MED; + + return UPDATE_TYPE_FAST; +} + +static enum surface_update_type det_surface_update(const struct dc *dc, + const struct dc_surface_update *u) +{ + const struct dc_state *context = dc->current_state; + enum surface_update_type type; + enum surface_update_type overall_type = UPDATE_TYPE_FAST; + union surface_update_flags *update_flags = &u->surface->update_flags; + + if (!is_surface_in_context(context, u->surface) || u->surface->force_full_update) { + update_flags->raw = 0xFFFFFFFF; + return UPDATE_TYPE_FULL; + } + + update_flags->raw = 0; // Reset all flags + + type = get_plane_info_update_type(u); + elevate_update_type(&overall_type, type); + + type = get_scaling_info_update_type(dc, u); + elevate_update_type(&overall_type, type); + + if (u->flip_addr) { + update_flags->bits.addr_update = 1; + if (u->flip_addr->address.tmz_surface != u->surface->address.tmz_surface) { + update_flags->bits.tmz_changed = 1; + elevate_update_type(&overall_type, UPDATE_TYPE_FULL); + } + } + if (u->in_transfer_func) + update_flags->bits.in_transfer_func_change = 1; + + if (u->input_csc_color_matrix) + update_flags->bits.input_csc_change = 1; + + if (u->coeff_reduction_factor) + update_flags->bits.coeff_reduction_change = 1; + + if (u->gamut_remap_matrix) + update_flags->bits.gamut_remap_change = 1; + + if (u->gamma) { + enum surface_pixel_format format = SURFACE_PIXEL_FORMAT_GRPH_BEGIN; + + if (u->plane_info) + format = u->plane_info->format; + else if (u->surface) + format = u->surface->format; + + if (dce_use_lut(format)) + update_flags->bits.gamma_change = 1; + } + + if (u->lut3d_func || u->func_shaper) + update_flags->bits.lut_3d = 1; + + if (u->hdr_mult.value) + if (u->hdr_mult.value != u->surface->hdr_mult.value) { + update_flags->bits.hdr_mult = 1; + elevate_update_type(&overall_type, UPDATE_TYPE_MED); + } + + if (update_flags->bits.in_transfer_func_change) { + type = UPDATE_TYPE_MED; + elevate_update_type(&overall_type, type); + } + + if (update_flags->bits.lut_3d) { + type = UPDATE_TYPE_FULL; + elevate_update_type(&overall_type, type); + } + + if (dc->debug.enable_legacy_fast_update && + (update_flags->bits.gamma_change || + update_flags->bits.gamut_remap_change || + update_flags->bits.input_csc_change || + update_flags->bits.coeff_reduction_change)) { + type = UPDATE_TYPE_FULL; + elevate_update_type(&overall_type, type); + } + return overall_type; +} + +static enum surface_update_type check_update_surfaces_for_stream( + struct dc *dc, + struct dc_surface_update *updates, + int surface_count, + struct dc_stream_update *stream_update, + const struct dc_stream_status *stream_status) +{ + int i; + enum surface_update_type overall_type = UPDATE_TYPE_FAST; + + if (dc->idle_optimizations_allowed) + overall_type = UPDATE_TYPE_FULL; + + if (stream_status == NULL || stream_status->plane_count != surface_count) + overall_type = UPDATE_TYPE_FULL; + + if (stream_update && stream_update->pending_test_pattern) { + overall_type = UPDATE_TYPE_FULL; + } + + /* some stream updates require passive update */ + if (stream_update) { + union stream_update_flags *su_flags = &stream_update->stream->update_flags; + + if ((stream_update->src.height != 0 && stream_update->src.width != 0) || + (stream_update->dst.height != 0 && stream_update->dst.width != 0) || + stream_update->integer_scaling_update) + su_flags->bits.scaling = 1; + + if (dc->debug.enable_legacy_fast_update && stream_update->out_transfer_func) + su_flags->bits.out_tf = 1; + + if (stream_update->abm_level) + su_flags->bits.abm_level = 1; + + if (stream_update->dpms_off) + su_flags->bits.dpms_off = 1; + + if (stream_update->gamut_remap) + su_flags->bits.gamut_remap = 1; + + if (stream_update->wb_update) + su_flags->bits.wb_update = 1; + + if (stream_update->dsc_config) + su_flags->bits.dsc_changed = 1; + + if (stream_update->mst_bw_update) + su_flags->bits.mst_bw = 1; + + if (stream_update->stream && stream_update->stream->freesync_on_desktop && + (stream_update->vrr_infopacket || stream_update->allow_freesync || + stream_update->vrr_active_variable || stream_update->vrr_active_fixed)) + su_flags->bits.fams_changed = 1; + + if (su_flags->raw != 0) + overall_type = UPDATE_TYPE_FULL; + + if (stream_update->output_csc_transform || stream_update->output_color_space) + su_flags->bits.out_csc = 1; + + /* Output transfer function changes do not require bandwidth recalculation, + * so don't trigger a full update + */ + if (!dc->debug.enable_legacy_fast_update && stream_update->out_transfer_func) + su_flags->bits.out_tf = 1; + } + + for (i = 0 ; i < surface_count; i++) { + enum surface_update_type type = + det_surface_update(dc, &updates[i]); + + elevate_update_type(&overall_type, type); + } + + return overall_type; +} + +/* + * dc_check_update_surfaces_for_stream() - Determine update type (fast, med, or full) + * + * See :c:type:`enum surface_update_type <surface_update_type>` for explanation of update types + */ +enum surface_update_type dc_check_update_surfaces_for_stream( + struct dc *dc, + struct dc_surface_update *updates, + int surface_count, + struct dc_stream_update *stream_update, + const struct dc_stream_status *stream_status) +{ + int i; + enum surface_update_type type; + + if (stream_update) + stream_update->stream->update_flags.raw = 0; + for (i = 0; i < surface_count; i++) + updates[i].surface->update_flags.raw = 0; + + type = check_update_surfaces_for_stream(dc, updates, surface_count, stream_update, stream_status); + if (type == UPDATE_TYPE_FULL) { + if (stream_update) { + uint32_t dsc_changed = stream_update->stream->update_flags.bits.dsc_changed; + stream_update->stream->update_flags.raw = 0xFFFFFFFF; + stream_update->stream->update_flags.bits.dsc_changed = dsc_changed; + } + for (i = 0; i < surface_count; i++) + updates[i].surface->update_flags.raw = 0xFFFFFFFF; + } + + if (type == UPDATE_TYPE_FAST) { + // If there's an available clock comparator, we use that. + if (dc->clk_mgr->funcs->are_clock_states_equal) { + if (!dc->clk_mgr->funcs->are_clock_states_equal(&dc->clk_mgr->clks, &dc->current_state->bw_ctx.bw.dcn.clk)) + dc->optimized_required = true; + // Else we fallback to mem compare. + } else if (memcmp(&dc->current_state->bw_ctx.bw.dcn.clk, &dc->clk_mgr->clks, offsetof(struct dc_clocks, prev_p_state_change_support)) != 0) { + dc->optimized_required = true; + } + + dc->optimized_required |= dc->wm_optimized_required; + } + + return type; +} + +static struct dc_stream_status *stream_get_status( + struct dc_state *ctx, + struct dc_stream_state *stream) +{ + uint8_t i; + + for (i = 0; i < ctx->stream_count; i++) { + if (stream == ctx->streams[i]) { + return &ctx->stream_status[i]; + } + } + + return NULL; +} + +static const enum surface_update_type update_surface_trace_level = UPDATE_TYPE_FULL; + +static void copy_surface_update_to_plane( + struct dc_plane_state *surface, + struct dc_surface_update *srf_update) +{ + if (srf_update->flip_addr) { + surface->address = srf_update->flip_addr->address; + surface->flip_immediate = + srf_update->flip_addr->flip_immediate; + surface->time.time_elapsed_in_us[surface->time.index] = + srf_update->flip_addr->flip_timestamp_in_us - + surface->time.prev_update_time_in_us; + surface->time.prev_update_time_in_us = + srf_update->flip_addr->flip_timestamp_in_us; + surface->time.index++; + if (surface->time.index >= DC_PLANE_UPDATE_TIMES_MAX) + surface->time.index = 0; + + surface->triplebuffer_flips = srf_update->flip_addr->triplebuffer_flips; + } + + if (srf_update->scaling_info) { + surface->scaling_quality = + srf_update->scaling_info->scaling_quality; + surface->dst_rect = + srf_update->scaling_info->dst_rect; + surface->src_rect = + srf_update->scaling_info->src_rect; + surface->clip_rect = + srf_update->scaling_info->clip_rect; + } + + if (srf_update->plane_info) { + surface->color_space = + srf_update->plane_info->color_space; + surface->format = + srf_update->plane_info->format; + surface->plane_size = + srf_update->plane_info->plane_size; + surface->rotation = + srf_update->plane_info->rotation; + surface->horizontal_mirror = + srf_update->plane_info->horizontal_mirror; + surface->stereo_format = + srf_update->plane_info->stereo_format; + surface->tiling_info = + srf_update->plane_info->tiling_info; + surface->visible = + srf_update->plane_info->visible; + surface->per_pixel_alpha = + srf_update->plane_info->per_pixel_alpha; + surface->global_alpha = + srf_update->plane_info->global_alpha; + surface->global_alpha_value = + srf_update->plane_info->global_alpha_value; + surface->dcc = + srf_update->plane_info->dcc; + surface->layer_index = + srf_update->plane_info->layer_index; + } + + if (srf_update->gamma && + (surface->gamma_correction != + srf_update->gamma)) { + memcpy(&surface->gamma_correction->entries, + &srf_update->gamma->entries, + sizeof(struct dc_gamma_entries)); + surface->gamma_correction->is_identity = + srf_update->gamma->is_identity; + surface->gamma_correction->num_entries = + srf_update->gamma->num_entries; + surface->gamma_correction->type = + srf_update->gamma->type; + } + + if (srf_update->in_transfer_func && + (surface->in_transfer_func != + srf_update->in_transfer_func)) { + surface->in_transfer_func->sdr_ref_white_level = + srf_update->in_transfer_func->sdr_ref_white_level; + surface->in_transfer_func->tf = + srf_update->in_transfer_func->tf; + surface->in_transfer_func->type = + srf_update->in_transfer_func->type; + memcpy(&surface->in_transfer_func->tf_pts, + &srf_update->in_transfer_func->tf_pts, + sizeof(struct dc_transfer_func_distributed_points)); + } + + if (srf_update->func_shaper && + (surface->in_shaper_func != + srf_update->func_shaper)) + memcpy(surface->in_shaper_func, srf_update->func_shaper, + sizeof(*surface->in_shaper_func)); + + if (srf_update->lut3d_func && + (surface->lut3d_func != + srf_update->lut3d_func)) + memcpy(surface->lut3d_func, srf_update->lut3d_func, + sizeof(*surface->lut3d_func)); + + if (srf_update->hdr_mult.value) + surface->hdr_mult = + srf_update->hdr_mult; + + if (srf_update->blend_tf && + (surface->blend_tf != + srf_update->blend_tf)) + memcpy(surface->blend_tf, srf_update->blend_tf, + sizeof(*surface->blend_tf)); + + if (srf_update->input_csc_color_matrix) + surface->input_csc_color_matrix = + *srf_update->input_csc_color_matrix; + + if (srf_update->coeff_reduction_factor) + surface->coeff_reduction_factor = + *srf_update->coeff_reduction_factor; + + if (srf_update->gamut_remap_matrix) + surface->gamut_remap_matrix = + *srf_update->gamut_remap_matrix; +} + +static void copy_stream_update_to_stream(struct dc *dc, + struct dc_state *context, + struct dc_stream_state *stream, + struct dc_stream_update *update) +{ + struct dc_context *dc_ctx = dc->ctx; + + if (update == NULL || stream == NULL) + return; + + if (update->src.height && update->src.width) + stream->src = update->src; + + if (update->dst.height && update->dst.width) + stream->dst = update->dst; + + if (update->out_transfer_func && + stream->out_transfer_func != update->out_transfer_func) { + stream->out_transfer_func->sdr_ref_white_level = + update->out_transfer_func->sdr_ref_white_level; + stream->out_transfer_func->tf = update->out_transfer_func->tf; + stream->out_transfer_func->type = + update->out_transfer_func->type; + memcpy(&stream->out_transfer_func->tf_pts, + &update->out_transfer_func->tf_pts, + sizeof(struct dc_transfer_func_distributed_points)); + } + + if (update->hdr_static_metadata) + stream->hdr_static_metadata = *update->hdr_static_metadata; + + if (update->abm_level) + stream->abm_level = *update->abm_level; + + if (update->periodic_interrupt) + stream->periodic_interrupt = *update->periodic_interrupt; + + if (update->gamut_remap) + stream->gamut_remap_matrix = *update->gamut_remap; + + /* Note: this being updated after mode set is currently not a use case + * however if it arises OCSC would need to be reprogrammed at the + * minimum + */ + if (update->output_color_space) + stream->output_color_space = *update->output_color_space; + + if (update->output_csc_transform) + stream->csc_color_matrix = *update->output_csc_transform; + + if (update->vrr_infopacket) + stream->vrr_infopacket = *update->vrr_infopacket; + + if (update->allow_freesync) + stream->allow_freesync = *update->allow_freesync; + + if (update->vrr_active_variable) + stream->vrr_active_variable = *update->vrr_active_variable; + + if (update->vrr_active_fixed) + stream->vrr_active_fixed = *update->vrr_active_fixed; + + if (update->crtc_timing_adjust) + stream->adjust = *update->crtc_timing_adjust; + + if (update->dpms_off) + stream->dpms_off = *update->dpms_off; + + if (update->hfvsif_infopacket) + stream->hfvsif_infopacket = *update->hfvsif_infopacket; + + if (update->vtem_infopacket) + stream->vtem_infopacket = *update->vtem_infopacket; + + if (update->vsc_infopacket) + stream->vsc_infopacket = *update->vsc_infopacket; + + if (update->vsp_infopacket) + stream->vsp_infopacket = *update->vsp_infopacket; + + if (update->adaptive_sync_infopacket) + stream->adaptive_sync_infopacket = *update->adaptive_sync_infopacket; + + if (update->dither_option) + stream->dither_option = *update->dither_option; + + if (update->pending_test_pattern) + stream->test_pattern = *update->pending_test_pattern; + /* update current stream with writeback info */ + if (update->wb_update) { + int i; + + stream->num_wb_info = update->wb_update->num_wb_info; + ASSERT(stream->num_wb_info <= MAX_DWB_PIPES); + for (i = 0; i < stream->num_wb_info; i++) + stream->writeback_info[i] = + update->wb_update->writeback_info[i]; + } + if (update->dsc_config) { + struct dc_dsc_config old_dsc_cfg = stream->timing.dsc_cfg; + uint32_t old_dsc_enabled = stream->timing.flags.DSC; + uint32_t enable_dsc = (update->dsc_config->num_slices_h != 0 && + update->dsc_config->num_slices_v != 0); + + /* Use temporarry context for validating new DSC config */ + struct dc_state *dsc_validate_context = dc_create_state(dc); + + if (dsc_validate_context) { + dc_resource_state_copy_construct(dc->current_state, dsc_validate_context); + + stream->timing.dsc_cfg = *update->dsc_config; + stream->timing.flags.DSC = enable_dsc; + if (!dc->res_pool->funcs->validate_bandwidth(dc, dsc_validate_context, true)) { + stream->timing.dsc_cfg = old_dsc_cfg; + stream->timing.flags.DSC = old_dsc_enabled; + update->dsc_config = NULL; + } + + dc_release_state(dsc_validate_context); + } else { + DC_ERROR("Failed to allocate new validate context for DSC change\n"); + update->dsc_config = NULL; + } + } +} + +static bool update_planes_and_stream_state(struct dc *dc, + struct dc_surface_update *srf_updates, int surface_count, + struct dc_stream_state *stream, + struct dc_stream_update *stream_update, + enum surface_update_type *new_update_type, + struct dc_state **new_context) +{ + struct dc_state *context; + int i, j; + enum surface_update_type update_type; + const struct dc_stream_status *stream_status; + struct dc_context *dc_ctx = dc->ctx; + + stream_status = dc_stream_get_status(stream); + + if (!stream_status) { + if (surface_count) /* Only an error condition if surf_count non-zero*/ + ASSERT(false); + + return false; /* Cannot commit surface to stream that is not committed */ + } + + context = dc->current_state; + + update_type = dc_check_update_surfaces_for_stream( + dc, srf_updates, surface_count, stream_update, stream_status); + + /* update current stream with the new updates */ + copy_stream_update_to_stream(dc, context, stream, stream_update); + + /* do not perform surface update if surface has invalid dimensions + * (all zero) and no scaling_info is provided + */ + if (surface_count > 0) { + for (i = 0; i < surface_count; i++) { + if ((srf_updates[i].surface->src_rect.width == 0 || + srf_updates[i].surface->src_rect.height == 0 || + srf_updates[i].surface->dst_rect.width == 0 || + srf_updates[i].surface->dst_rect.height == 0) && + (!srf_updates[i].scaling_info || + srf_updates[i].scaling_info->src_rect.width == 0 || + srf_updates[i].scaling_info->src_rect.height == 0 || + srf_updates[i].scaling_info->dst_rect.width == 0 || + srf_updates[i].scaling_info->dst_rect.height == 0)) { + DC_ERROR("Invalid src/dst rects in surface update!\n"); + return false; + } + } + } + + if (update_type >= update_surface_trace_level) + update_surface_trace(dc, srf_updates, surface_count); + + if (update_type >= UPDATE_TYPE_FULL) { + struct dc_plane_state *new_planes[MAX_SURFACES] = {0}; + + for (i = 0; i < surface_count; i++) + new_planes[i] = srf_updates[i].surface; + + /* initialize scratch memory for building context */ + context = dc_create_state(dc); + if (context == NULL) { + DC_ERROR("Failed to allocate new validate context!\n"); + return false; + } + + dc_resource_state_copy_construct( + dc->current_state, context); + + /* For each full update, remove all existing phantom pipes first. + * Ensures that we have enough pipes for newly added MPO planes + */ + if (dc->res_pool->funcs->remove_phantom_pipes) + dc->res_pool->funcs->remove_phantom_pipes(dc, context, false); + + /*remove old surfaces from context */ + if (!dc_rem_all_planes_for_stream(dc, stream, context)) { + + BREAK_TO_DEBUGGER(); + goto fail; + } + + /* add surface to context */ + if (!dc_add_all_planes_for_stream(dc, stream, new_planes, surface_count, context)) { + + BREAK_TO_DEBUGGER(); + goto fail; + } + } + + /* save update parameters into surface */ + for (i = 0; i < surface_count; i++) { + struct dc_plane_state *surface = srf_updates[i].surface; + + copy_surface_update_to_plane(surface, &srf_updates[i]); + + if (update_type >= UPDATE_TYPE_MED) { + for (j = 0; j < dc->res_pool->pipe_count; j++) { + struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j]; + + if (pipe_ctx->plane_state != surface) + continue; + + resource_build_scaling_params(pipe_ctx); + } + } + } + + if (update_type == UPDATE_TYPE_FULL) { + if (!dc->res_pool->funcs->validate_bandwidth(dc, context, false)) { + /* For phantom pipes we remove and create a new set of phantom pipes + * for each full update (because we don't know if we'll need phantom + * pipes until after the first round of validation). However, if validation + * fails we need to keep the existing phantom pipes (because we don't update + * the dc->current_state). + * + * The phantom stream/plane refcount is decremented for validation because + * we assume it'll be removed (the free comes when the dc_state is freed), + * but if validation fails we have to increment back the refcount so it's + * consistent. + */ + if (dc->res_pool->funcs->retain_phantom_pipes) + dc->res_pool->funcs->retain_phantom_pipes(dc, dc->current_state); + BREAK_TO_DEBUGGER(); + goto fail; + } + } + + *new_context = context; + *new_update_type = update_type; + + return true; + +fail: + dc_release_state(context); + + return false; + +} + +static void commit_planes_do_stream_update(struct dc *dc, + struct dc_stream_state *stream, + struct dc_stream_update *stream_update, + enum surface_update_type update_type, + struct dc_state *context) +{ + int j; + + // Stream updates + for (j = 0; j < dc->res_pool->pipe_count; j++) { + struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j]; + + if (resource_is_pipe_type(pipe_ctx, OTG_MASTER) && pipe_ctx->stream == stream) { + + if (stream_update->periodic_interrupt && dc->hwss.setup_periodic_interrupt) + dc->hwss.setup_periodic_interrupt(dc, pipe_ctx); + + if ((stream_update->hdr_static_metadata && !stream->use_dynamic_meta) || + stream_update->vrr_infopacket || + stream_update->vsc_infopacket || + stream_update->vsp_infopacket || + stream_update->hfvsif_infopacket || + stream_update->adaptive_sync_infopacket || + stream_update->vtem_infopacket) { + resource_build_info_frame(pipe_ctx); + dc->hwss.update_info_frame(pipe_ctx); + + if (dc_is_dp_signal(pipe_ctx->stream->signal)) + dc->link_srv->dp_trace_source_sequence( + pipe_ctx->stream->link, + DPCD_SOURCE_SEQ_AFTER_UPDATE_INFO_FRAME); + } + + if (stream_update->hdr_static_metadata && + stream->use_dynamic_meta && + dc->hwss.set_dmdata_attributes && + pipe_ctx->stream->dmdata_address.quad_part != 0) + dc->hwss.set_dmdata_attributes(pipe_ctx); + + if (stream_update->gamut_remap) + dc_stream_set_gamut_remap(dc, stream); + + if (stream_update->output_csc_transform) + dc_stream_program_csc_matrix(dc, stream); + + if (stream_update->dither_option) { + struct pipe_ctx *odm_pipe = pipe_ctx->next_odm_pipe; + resource_build_bit_depth_reduction_params(pipe_ctx->stream, + &pipe_ctx->stream->bit_depth_params); + pipe_ctx->stream_res.opp->funcs->opp_program_fmt(pipe_ctx->stream_res.opp, + &stream->bit_depth_params, + &stream->clamping); + while (odm_pipe) { + odm_pipe->stream_res.opp->funcs->opp_program_fmt(odm_pipe->stream_res.opp, + &stream->bit_depth_params, + &stream->clamping); + odm_pipe = odm_pipe->next_odm_pipe; + } + } + + + /* Full fe update*/ + if (update_type == UPDATE_TYPE_FAST) + continue; + + if (stream_update->dsc_config) + dc->link_srv->update_dsc_config(pipe_ctx); + + if (stream_update->mst_bw_update) { + if (stream_update->mst_bw_update->is_increase) + dc->link_srv->increase_mst_payload(pipe_ctx, + stream_update->mst_bw_update->mst_stream_bw); + else + dc->link_srv->reduce_mst_payload(pipe_ctx, + stream_update->mst_bw_update->mst_stream_bw); + } + + if (stream_update->pending_test_pattern) { + dc_link_dp_set_test_pattern(stream->link, + stream->test_pattern.type, + stream->test_pattern.color_space, + stream->test_pattern.p_link_settings, + stream->test_pattern.p_custom_pattern, + stream->test_pattern.cust_pattern_size); + } + + if (stream_update->dpms_off) { + if (*stream_update->dpms_off) { + dc->link_srv->set_dpms_off(pipe_ctx); + /* for dpms, keep acquired resources*/ + if (pipe_ctx->stream_res.audio && !dc->debug.az_endpoint_mute_only) + pipe_ctx->stream_res.audio->funcs->az_disable(pipe_ctx->stream_res.audio); + + dc->optimized_required = true; + + } else { + if (get_seamless_boot_stream_count(context) == 0) + dc->hwss.prepare_bandwidth(dc, dc->current_state); + dc->link_srv->set_dpms_on(dc->current_state, pipe_ctx); + } + } else if (pipe_ctx->stream->link->wa_flags.blank_stream_on_ocs_change && stream_update->output_color_space + && !stream->dpms_off && dc_is_dp_signal(pipe_ctx->stream->signal)) { + /* + * Workaround for firmware issue in some receivers where they don't pick up + * correct output color space unless DP link is disabled/re-enabled + */ + dc->link_srv->set_dpms_on(dc->current_state, pipe_ctx); + } + + if (stream_update->abm_level && pipe_ctx->stream_res.abm) { + bool should_program_abm = true; + + // if otg funcs defined check if blanked before programming + if (pipe_ctx->stream_res.tg->funcs->is_blanked) + if (pipe_ctx->stream_res.tg->funcs->is_blanked(pipe_ctx->stream_res.tg)) + should_program_abm = false; + + if (should_program_abm) { + if (*stream_update->abm_level == ABM_LEVEL_IMMEDIATE_DISABLE) { + dc->hwss.set_abm_immediate_disable(pipe_ctx); + } else { + pipe_ctx->stream_res.abm->funcs->set_abm_level( + pipe_ctx->stream_res.abm, stream->abm_level); + } + } + } + } + } +} + +static bool dc_dmub_should_send_dirty_rect_cmd(struct dc *dc, struct dc_stream_state *stream) +{ + if ((stream->link->psr_settings.psr_version == DC_PSR_VERSION_SU_1 + || stream->link->psr_settings.psr_version == DC_PSR_VERSION_1) + && stream->ctx->dce_version >= DCN_VERSION_3_1) + return true; + + if (stream->link->replay_settings.config.replay_supported) + return true; + + return false; +} + +void dc_dmub_update_dirty_rect(struct dc *dc, + int surface_count, + struct dc_stream_state *stream, + struct dc_surface_update *srf_updates, + struct dc_state *context) +{ + union dmub_rb_cmd cmd; + struct dmub_cmd_update_dirty_rect_data *update_dirty_rect; + unsigned int i, j; + unsigned int panel_inst = 0; + + if (!dc_dmub_should_send_dirty_rect_cmd(dc, stream)) + return; + + if (!dc_get_edp_link_panel_inst(dc, stream->link, &panel_inst)) + return; + + memset(&cmd, 0x0, sizeof(cmd)); + cmd.update_dirty_rect.header.type = DMUB_CMD__UPDATE_DIRTY_RECT; + cmd.update_dirty_rect.header.sub_type = 0; + cmd.update_dirty_rect.header.payload_bytes = + sizeof(cmd.update_dirty_rect) - + sizeof(cmd.update_dirty_rect.header); + update_dirty_rect = &cmd.update_dirty_rect.update_dirty_rect_data; + for (i = 0; i < surface_count; i++) { + struct dc_plane_state *plane_state = srf_updates[i].surface; + const struct dc_flip_addrs *flip_addr = srf_updates[i].flip_addr; + + if (!srf_updates[i].surface || !flip_addr) + continue; + /* Do not send in immediate flip mode */ + if (srf_updates[i].surface->flip_immediate) + continue; + + update_dirty_rect->dirty_rect_count = flip_addr->dirty_rect_count; + memcpy(update_dirty_rect->src_dirty_rects, flip_addr->dirty_rects, + sizeof(flip_addr->dirty_rects)); + for (j = 0; j < dc->res_pool->pipe_count; j++) { + struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j]; + + if (pipe_ctx->stream != stream) + continue; + if (pipe_ctx->plane_state != plane_state) + continue; + + update_dirty_rect->panel_inst = panel_inst; + update_dirty_rect->pipe_idx = j; + dm_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_NO_WAIT); + } + } +} + +static void build_dmub_update_dirty_rect( + struct dc *dc, + int surface_count, + struct dc_stream_state *stream, + struct dc_surface_update *srf_updates, + struct dc_state *context, + struct dc_dmub_cmd dc_dmub_cmd[], + unsigned int *dmub_cmd_count) +{ + union dmub_rb_cmd cmd; + struct dmub_cmd_update_dirty_rect_data *update_dirty_rect; + unsigned int i, j; + unsigned int panel_inst = 0; + + if (!dc_dmub_should_send_dirty_rect_cmd(dc, stream)) + return; + + if (!dc_get_edp_link_panel_inst(dc, stream->link, &panel_inst)) + return; + + memset(&cmd, 0x0, sizeof(cmd)); + cmd.update_dirty_rect.header.type = DMUB_CMD__UPDATE_DIRTY_RECT; + cmd.update_dirty_rect.header.sub_type = 0; + cmd.update_dirty_rect.header.payload_bytes = + sizeof(cmd.update_dirty_rect) - + sizeof(cmd.update_dirty_rect.header); + update_dirty_rect = &cmd.update_dirty_rect.update_dirty_rect_data; + for (i = 0; i < surface_count; i++) { + struct dc_plane_state *plane_state = srf_updates[i].surface; + const struct dc_flip_addrs *flip_addr = srf_updates[i].flip_addr; + + if (!srf_updates[i].surface || !flip_addr) + continue; + /* Do not send in immediate flip mode */ + if (srf_updates[i].surface->flip_immediate) + continue; + update_dirty_rect->cmd_version = DMUB_CMD_PSR_CONTROL_VERSION_1; + update_dirty_rect->dirty_rect_count = flip_addr->dirty_rect_count; + memcpy(update_dirty_rect->src_dirty_rects, flip_addr->dirty_rects, + sizeof(flip_addr->dirty_rects)); + for (j = 0; j < dc->res_pool->pipe_count; j++) { + struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j]; + + if (pipe_ctx->stream != stream) + continue; + if (pipe_ctx->plane_state != plane_state) + continue; + update_dirty_rect->panel_inst = panel_inst; + update_dirty_rect->pipe_idx = j; + dc_dmub_cmd[*dmub_cmd_count].dmub_cmd = cmd; + dc_dmub_cmd[*dmub_cmd_count].wait_type = DM_DMUB_WAIT_TYPE_NO_WAIT; + (*dmub_cmd_count)++; + } + } +} + + +/** + * build_dmub_cmd_list() - Build an array of DMCUB commands to be sent to DMCUB + * + * @dc: Current DC state + * @srf_updates: Array of surface updates + * @surface_count: Number of surfaces that have an updated + * @stream: Corresponding stream to be updated in the current flip + * @context: New DC state to be programmed + * + * @dc_dmub_cmd: Array of DMCUB commands to be sent to DMCUB + * @dmub_cmd_count: Count indicating the number of DMCUB commands in dc_dmub_cmd array + * + * This function builds an array of DMCUB commands to be sent to DMCUB. This function is required + * to build an array of commands and have them sent while the OTG lock is acquired. + * + * Return: void + */ +static void build_dmub_cmd_list(struct dc *dc, + struct dc_surface_update *srf_updates, + int surface_count, + struct dc_stream_state *stream, + struct dc_state *context, + struct dc_dmub_cmd dc_dmub_cmd[], + unsigned int *dmub_cmd_count) +{ + // Initialize cmd count to 0 + *dmub_cmd_count = 0; + build_dmub_update_dirty_rect(dc, surface_count, stream, srf_updates, context, dc_dmub_cmd, dmub_cmd_count); +} + +static void commit_planes_for_stream_fast(struct dc *dc, + struct dc_surface_update *srf_updates, + int surface_count, + struct dc_stream_state *stream, + struct dc_stream_update *stream_update, + enum surface_update_type update_type, + struct dc_state *context) +{ + int i, j; + struct pipe_ctx *top_pipe_to_program = NULL; + dc_z10_restore(dc); + + top_pipe_to_program = resource_get_otg_master_for_stream( + &context->res_ctx, + stream); + + if (dc->debug.visual_confirm) { + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i]; + + if (pipe->stream && pipe->plane_state) + dc_update_viusal_confirm_color(dc, context, pipe); + } + } + + for (i = 0; i < surface_count; i++) { + struct dc_plane_state *plane_state = srf_updates[i].surface; + /*set logical flag for lock/unlock use*/ + for (j = 0; j < dc->res_pool->pipe_count; j++) { + struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j]; + + if (!pipe_ctx->plane_state) + continue; + if (should_update_pipe_for_plane(context, pipe_ctx, plane_state)) + continue; + pipe_ctx->plane_state->triplebuffer_flips = false; + if (update_type == UPDATE_TYPE_FAST && + dc->hwss.program_triplebuffer && + !pipe_ctx->plane_state->flip_immediate && dc->debug.enable_tri_buf) { + /*triple buffer for VUpdate only*/ + pipe_ctx->plane_state->triplebuffer_flips = true; + } + } + } + + build_dmub_cmd_list(dc, + srf_updates, + surface_count, + stream, + context, + context->dc_dmub_cmd, + &(context->dmub_cmd_count)); + hwss_build_fast_sequence(dc, + context->dc_dmub_cmd, + context->dmub_cmd_count, + context->block_sequence, + &(context->block_sequence_steps), + top_pipe_to_program); + hwss_execute_sequence(dc, + context->block_sequence, + context->block_sequence_steps); + /* Clear update flags so next flip doesn't have redundant programming + * (if there's no stream update, the update flags are not cleared). + * Surface updates are cleared unconditionally at the beginning of each flip, + * so no need to clear here. + */ + if (top_pipe_to_program->stream) + top_pipe_to_program->stream->update_flags.raw = 0; +} + +static void wait_for_outstanding_hw_updates(struct dc *dc, const struct dc_state *dc_context) +{ +/* + * This function calls HWSS to wait for any potentially double buffered + * operations to complete. It should be invoked as a pre-amble prior + * to full update programming before asserting any HW locks. + */ + int pipe_idx; + int opp_inst; + int opp_count = dc->res_pool->pipe_count; + struct hubp *hubp; + int mpcc_inst; + const struct pipe_ctx *pipe_ctx; + + for (pipe_idx = 0; pipe_idx < dc->res_pool->pipe_count; pipe_idx++) { + pipe_ctx = &dc_context->res_ctx.pipe_ctx[pipe_idx]; + + if (!pipe_ctx->stream) + continue; + + if (pipe_ctx->stream_res.tg->funcs->wait_drr_doublebuffer_pending_clear) + pipe_ctx->stream_res.tg->funcs->wait_drr_doublebuffer_pending_clear(pipe_ctx->stream_res.tg); + + hubp = pipe_ctx->plane_res.hubp; + if (!hubp) + continue; + + mpcc_inst = hubp->inst; + // MPCC inst is equal to pipe index in practice + for (opp_inst = 0; opp_inst < opp_count; opp_inst++) { + if (dc->res_pool->opps[opp_inst]->mpcc_disconnect_pending[mpcc_inst]) { + dc->res_pool->mpc->funcs->wait_for_idle(dc->res_pool->mpc, mpcc_inst); + dc->res_pool->opps[opp_inst]->mpcc_disconnect_pending[mpcc_inst] = false; + break; + } + } + } +} + +static void commit_planes_for_stream(struct dc *dc, + struct dc_surface_update *srf_updates, + int surface_count, + struct dc_stream_state *stream, + struct dc_stream_update *stream_update, + enum surface_update_type update_type, + struct dc_state *context) +{ + int i, j; + struct pipe_ctx *top_pipe_to_program = NULL; + bool should_lock_all_pipes = (update_type != UPDATE_TYPE_FAST); + bool subvp_prev_use = false; + bool subvp_curr_use = false; + + // Once we apply the new subvp context to hardware it won't be in the + // dc->current_state anymore, so we have to cache it before we apply + // the new SubVP context + subvp_prev_use = false; + dc_z10_restore(dc); + if (update_type == UPDATE_TYPE_FULL) + wait_for_outstanding_hw_updates(dc, context); + + if (update_type == UPDATE_TYPE_FULL) { + dc_allow_idle_optimizations(dc, false); + + if (get_seamless_boot_stream_count(context) == 0) + dc->hwss.prepare_bandwidth(dc, context); + + if (dc->hwss.update_dsc_pg) + dc->hwss.update_dsc_pg(dc, context, false); + + context_clock_trace(dc, context); + } + + top_pipe_to_program = resource_get_otg_master_for_stream( + &context->res_ctx, + stream); + + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *old_pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + + // Check old context for SubVP + subvp_prev_use |= (old_pipe->stream && old_pipe->stream->mall_stream_config.type == SUBVP_PHANTOM); + if (subvp_prev_use) + break; + } + + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i]; + + if (pipe->stream && pipe->stream->mall_stream_config.type == SUBVP_PHANTOM) { + subvp_curr_use = true; + break; + } + } + + if (dc->debug.visual_confirm) + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i]; + + if (pipe->stream && pipe->plane_state) + dc_update_viusal_confirm_color(dc, context, pipe); + } + + if (stream->test_pattern.type != DP_TEST_PATTERN_VIDEO_MODE) { + struct pipe_ctx *mpcc_pipe; + struct pipe_ctx *odm_pipe; + + for (mpcc_pipe = top_pipe_to_program; mpcc_pipe; mpcc_pipe = mpcc_pipe->bottom_pipe) + for (odm_pipe = mpcc_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) + odm_pipe->ttu_regs.min_ttu_vblank = MAX_TTU; + } + + if ((update_type != UPDATE_TYPE_FAST) && stream->update_flags.bits.dsc_changed) + if (top_pipe_to_program && + top_pipe_to_program->stream_res.tg->funcs->lock_doublebuffer_enable) { + if (should_use_dmub_lock(stream->link)) { + union dmub_hw_lock_flags hw_locks = { 0 }; + struct dmub_hw_lock_inst_flags inst_flags = { 0 }; + + hw_locks.bits.lock_dig = 1; + inst_flags.dig_inst = top_pipe_to_program->stream_res.tg->inst; + + dmub_hw_lock_mgr_cmd(dc->ctx->dmub_srv, + true, + &hw_locks, + &inst_flags); + } else + top_pipe_to_program->stream_res.tg->funcs->lock_doublebuffer_enable( + top_pipe_to_program->stream_res.tg); + } + + if (should_lock_all_pipes && dc->hwss.interdependent_update_lock) { + if (dc->hwss.subvp_pipe_control_lock) + dc->hwss.subvp_pipe_control_lock(dc, context, true, should_lock_all_pipes, NULL, subvp_prev_use); + dc->hwss.interdependent_update_lock(dc, context, true); + + } else { + if (dc->hwss.subvp_pipe_control_lock) + dc->hwss.subvp_pipe_control_lock(dc, context, true, should_lock_all_pipes, top_pipe_to_program, subvp_prev_use); + /* Lock the top pipe while updating plane addrs, since freesync requires + * plane addr update event triggers to be synchronized. + * top_pipe_to_program is expected to never be NULL + */ + dc->hwss.pipe_control_lock(dc, top_pipe_to_program, true); + } + + dc_dmub_update_dirty_rect(dc, surface_count, stream, srf_updates, context); + + // Stream updates + if (stream_update) + commit_planes_do_stream_update(dc, stream, stream_update, update_type, context); + + if (surface_count == 0) { + /* + * In case of turning off screen, no need to program front end a second time. + * just return after program blank. + */ + if (dc->hwss.apply_ctx_for_surface) + dc->hwss.apply_ctx_for_surface(dc, stream, 0, context); + if (dc->hwss.program_front_end_for_ctx) + dc->hwss.program_front_end_for_ctx(dc, context); + + if (should_lock_all_pipes && dc->hwss.interdependent_update_lock) { + dc->hwss.interdependent_update_lock(dc, context, false); + } else { + dc->hwss.pipe_control_lock(dc, top_pipe_to_program, false); + } + dc->hwss.post_unlock_program_front_end(dc, context); + + if (update_type != UPDATE_TYPE_FAST) + if (dc->hwss.commit_subvp_config) + dc->hwss.commit_subvp_config(dc, context); + + /* Since phantom pipe programming is moved to post_unlock_program_front_end, + * move the SubVP lock to after the phantom pipes have been setup + */ + if (dc->hwss.subvp_pipe_control_lock) + dc->hwss.subvp_pipe_control_lock(dc, context, false, should_lock_all_pipes, + NULL, subvp_prev_use); + return; + } + + if (update_type != UPDATE_TYPE_FAST) { + for (j = 0; j < dc->res_pool->pipe_count; j++) { + struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j]; + + if ((dc->debug.visual_confirm == VISUAL_CONFIRM_SUBVP || + dc->debug.visual_confirm == VISUAL_CONFIRM_MCLK_SWITCH) && + pipe_ctx->stream && pipe_ctx->plane_state) { + /* Only update visual confirm for SUBVP and Mclk switching here. + * The bar appears on all pipes, so we need to update the bar on all displays, + * so the information doesn't get stale. + */ + dc->hwss.update_visual_confirm_color(dc, pipe_ctx, + pipe_ctx->plane_res.hubp->inst); + } + } + } + + for (i = 0; i < surface_count; i++) { + struct dc_plane_state *plane_state = srf_updates[i].surface; + /*set logical flag for lock/unlock use*/ + for (j = 0; j < dc->res_pool->pipe_count; j++) { + struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j]; + if (!pipe_ctx->plane_state) + continue; + if (should_update_pipe_for_plane(context, pipe_ctx, plane_state)) + continue; + pipe_ctx->plane_state->triplebuffer_flips = false; + if (update_type == UPDATE_TYPE_FAST && + dc->hwss.program_triplebuffer != NULL && + !pipe_ctx->plane_state->flip_immediate && dc->debug.enable_tri_buf) { + /*triple buffer for VUpdate only*/ + pipe_ctx->plane_state->triplebuffer_flips = true; + } + } + if (update_type == UPDATE_TYPE_FULL) { + /* force vsync flip when reconfiguring pipes to prevent underflow */ + plane_state->flip_immediate = false; + } + } + + // Update Type FULL, Surface updates + for (j = 0; j < dc->res_pool->pipe_count; j++) { + struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j]; + + if (!pipe_ctx->top_pipe && + !pipe_ctx->prev_odm_pipe && + should_update_pipe_for_stream(context, pipe_ctx, stream)) { + struct dc_stream_status *stream_status = NULL; + + if (!pipe_ctx->plane_state) + continue; + + /* Full fe update*/ + if (update_type == UPDATE_TYPE_FAST) + continue; + + ASSERT(!pipe_ctx->plane_state->triplebuffer_flips); + + if (dc->hwss.program_triplebuffer != NULL && dc->debug.enable_tri_buf) { + /*turn off triple buffer for full update*/ + dc->hwss.program_triplebuffer( + dc, pipe_ctx, pipe_ctx->plane_state->triplebuffer_flips); + } + stream_status = + stream_get_status(context, pipe_ctx->stream); + + if (dc->hwss.apply_ctx_for_surface) + dc->hwss.apply_ctx_for_surface( + dc, pipe_ctx->stream, stream_status->plane_count, context); + } + } + if (dc->hwss.program_front_end_for_ctx && update_type != UPDATE_TYPE_FAST) { + dc->hwss.program_front_end_for_ctx(dc, context); + if (dc->debug.validate_dml_output) { + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *cur_pipe = &context->res_ctx.pipe_ctx[i]; + if (cur_pipe->stream == NULL) + continue; + + cur_pipe->plane_res.hubp->funcs->validate_dml_output( + cur_pipe->plane_res.hubp, dc->ctx, + &context->res_ctx.pipe_ctx[i].rq_regs, + &context->res_ctx.pipe_ctx[i].dlg_regs, + &context->res_ctx.pipe_ctx[i].ttu_regs); + } + } + } + + // Update Type FAST, Surface updates + if (update_type == UPDATE_TYPE_FAST) { + if (dc->hwss.set_flip_control_gsl) + for (i = 0; i < surface_count; i++) { + struct dc_plane_state *plane_state = srf_updates[i].surface; + + for (j = 0; j < dc->res_pool->pipe_count; j++) { + struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j]; + + if (!should_update_pipe_for_stream(context, pipe_ctx, stream)) + continue; + + if (!should_update_pipe_for_plane(context, pipe_ctx, plane_state)) + continue; + + // GSL has to be used for flip immediate + dc->hwss.set_flip_control_gsl(pipe_ctx, + pipe_ctx->plane_state->flip_immediate); + } + } + + /* Perform requested Updates */ + for (i = 0; i < surface_count; i++) { + struct dc_plane_state *plane_state = srf_updates[i].surface; + + for (j = 0; j < dc->res_pool->pipe_count; j++) { + struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j]; + + if (!should_update_pipe_for_stream(context, pipe_ctx, stream)) + continue; + + if (!should_update_pipe_for_plane(context, pipe_ctx, plane_state)) + continue; + + /*program triple buffer after lock based on flip type*/ + if (dc->hwss.program_triplebuffer != NULL && dc->debug.enable_tri_buf) { + /*only enable triplebuffer for fast_update*/ + dc->hwss.program_triplebuffer( + dc, pipe_ctx, pipe_ctx->plane_state->triplebuffer_flips); + } + if (pipe_ctx->plane_state->update_flags.bits.addr_update) + dc->hwss.update_plane_addr(dc, pipe_ctx); + } + } + } + + if (should_lock_all_pipes && dc->hwss.interdependent_update_lock) { + dc->hwss.interdependent_update_lock(dc, context, false); + } else { + dc->hwss.pipe_control_lock(dc, top_pipe_to_program, false); + } + + if ((update_type != UPDATE_TYPE_FAST) && stream->update_flags.bits.dsc_changed) + if (top_pipe_to_program->stream_res.tg->funcs->lock_doublebuffer_enable) { + top_pipe_to_program->stream_res.tg->funcs->wait_for_state( + top_pipe_to_program->stream_res.tg, + CRTC_STATE_VACTIVE); + top_pipe_to_program->stream_res.tg->funcs->wait_for_state( + top_pipe_to_program->stream_res.tg, + CRTC_STATE_VBLANK); + top_pipe_to_program->stream_res.tg->funcs->wait_for_state( + top_pipe_to_program->stream_res.tg, + CRTC_STATE_VACTIVE); + + if (should_use_dmub_lock(stream->link)) { + union dmub_hw_lock_flags hw_locks = { 0 }; + struct dmub_hw_lock_inst_flags inst_flags = { 0 }; + + hw_locks.bits.lock_dig = 1; + inst_flags.dig_inst = top_pipe_to_program->stream_res.tg->inst; + + dmub_hw_lock_mgr_cmd(dc->ctx->dmub_srv, + false, + &hw_locks, + &inst_flags); + } else + top_pipe_to_program->stream_res.tg->funcs->lock_doublebuffer_disable( + top_pipe_to_program->stream_res.tg); + } + + if (subvp_curr_use) { + /* If enabling subvp or transitioning from subvp->subvp, enable the + * phantom streams before we program front end for the phantom pipes. + */ + if (update_type != UPDATE_TYPE_FAST) { + if (dc->hwss.enable_phantom_streams) + dc->hwss.enable_phantom_streams(dc, context); + } + } + + if (update_type != UPDATE_TYPE_FAST) + dc->hwss.post_unlock_program_front_end(dc, context); + + if (subvp_prev_use && !subvp_curr_use) { + /* If disabling subvp, disable phantom streams after front end + * programming has completed (we turn on phantom OTG in order + * to complete the plane disable for phantom pipes). + */ + dc->hwss.apply_ctx_to_hw(dc, context); + } + + if (update_type != UPDATE_TYPE_FAST) + if (dc->hwss.commit_subvp_config) + dc->hwss.commit_subvp_config(dc, context); + /* Since phantom pipe programming is moved to post_unlock_program_front_end, + * move the SubVP lock to after the phantom pipes have been setup + */ + if (should_lock_all_pipes && dc->hwss.interdependent_update_lock) { + if (dc->hwss.subvp_pipe_control_lock) + dc->hwss.subvp_pipe_control_lock(dc, context, false, should_lock_all_pipes, NULL, subvp_prev_use); + } else { + if (dc->hwss.subvp_pipe_control_lock) + dc->hwss.subvp_pipe_control_lock(dc, context, false, should_lock_all_pipes, top_pipe_to_program, subvp_prev_use); + } + + // Fire manual trigger only when bottom plane is flipped + for (j = 0; j < dc->res_pool->pipe_count; j++) { + struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j]; + + if (!pipe_ctx->plane_state) + continue; + + if (pipe_ctx->bottom_pipe || pipe_ctx->next_odm_pipe || + !pipe_ctx->stream || !should_update_pipe_for_stream(context, pipe_ctx, stream) || + !pipe_ctx->plane_state->update_flags.bits.addr_update || + pipe_ctx->plane_state->skip_manual_trigger) + continue; + + if (pipe_ctx->stream_res.tg->funcs->program_manual_trigger) + pipe_ctx->stream_res.tg->funcs->program_manual_trigger(pipe_ctx->stream_res.tg); + } +} + +/** + * could_mpcc_tree_change_for_active_pipes - Check if an OPP associated with MPCC might change + * + * @dc: Used to get the current state status + * @stream: Target stream, which we want to remove the attached planes + * @surface_count: Number of surface update + * @is_plane_addition: [in] Fill out with true if it is a plane addition case + * + * DCN32x and newer support a feature named Dynamic ODM which can conflict with + * the MPO if used simultaneously in some specific configurations (e.g., + * 4k@144). This function checks if the incoming context requires applying a + * transition state with unnecessary pipe splitting and ODM disabled to + * circumvent our hardware limitations to prevent this edge case. If the OPP + * associated with an MPCC might change due to plane additions, this function + * returns true. + * + * Return: + * Return true if OPP and MPCC might change, otherwise, return false. + */ +static bool could_mpcc_tree_change_for_active_pipes(struct dc *dc, + struct dc_stream_state *stream, + int surface_count, + bool *is_plane_addition) +{ + + struct dc_stream_status *cur_stream_status = stream_get_status(dc->current_state, stream); + bool force_minimal_pipe_splitting = false; + bool subvp_active = false; + uint32_t i; + + *is_plane_addition = false; + + if (cur_stream_status && + dc->current_state->stream_count > 0 && + dc->debug.pipe_split_policy != MPC_SPLIT_AVOID) { + /* determine if minimal transition is required due to MPC*/ + if (surface_count > 0) { + if (cur_stream_status->plane_count > surface_count) { + force_minimal_pipe_splitting = true; + } else if (cur_stream_status->plane_count < surface_count) { + force_minimal_pipe_splitting = true; + *is_plane_addition = true; + } + } + } + + if (cur_stream_status && + dc->current_state->stream_count == 1 && + dc->debug.enable_single_display_2to1_odm_policy) { + /* determine if minimal transition is required due to dynamic ODM*/ + if (surface_count > 0) { + if (cur_stream_status->plane_count > 2 && cur_stream_status->plane_count > surface_count) { + force_minimal_pipe_splitting = true; + } else if (surface_count > 2 && cur_stream_status->plane_count < surface_count) { + force_minimal_pipe_splitting = true; + *is_plane_addition = true; + } + } + } + + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + + if (pipe->stream && pipe->stream->mall_stream_config.type != SUBVP_NONE) { + subvp_active = true; + break; + } + } + + /* For SubVP when adding or removing planes we need to add a minimal transition + * (even when disabling all planes). Whenever disabling a phantom pipe, we + * must use the minimal transition path to disable the pipe correctly. + * + * We want to use the minimal transition whenever subvp is active, not only if + * a plane is being added / removed from a subvp stream (MPO plane can be added + * to a DRR pipe of SubVP + DRR config, in which case we still want to run through + * a min transition to disable subvp. + */ + if (cur_stream_status && subvp_active) { + /* determine if minimal transition is required due to SubVP*/ + if (cur_stream_status->plane_count > surface_count) { + force_minimal_pipe_splitting = true; + } else if (cur_stream_status->plane_count < surface_count) { + force_minimal_pipe_splitting = true; + *is_plane_addition = true; + } + } + + return force_minimal_pipe_splitting; +} + +/** + * commit_minimal_transition_state - Create a transition pipe split state + * + * @dc: Used to get the current state status + * @transition_base_context: New transition state + * + * In some specific configurations, such as pipe split on multi-display with + * MPO and/or Dynamic ODM, removing a plane may cause unsupported pipe + * programming when moving to new planes. To mitigate those types of problems, + * this function adds a transition state that minimizes pipe usage before + * programming the new configuration. When adding a new plane, the current + * state requires the least pipes, so it is applied without splitting. When + * removing a plane, the new state requires the least pipes, so it is applied + * without splitting. + * + * Return: + * Return false if something is wrong in the transition state. + */ +static bool commit_minimal_transition_state(struct dc *dc, + struct dc_state *transition_base_context) +{ + struct dc_state *transition_context = dc_create_state(dc); + enum pipe_split_policy tmp_mpc_policy = 0; + bool temp_dynamic_odm_policy = 0; + bool temp_subvp_policy = 0; + enum dc_status ret = DC_ERROR_UNEXPECTED; + unsigned int i, j; + unsigned int pipe_in_use = 0; + bool subvp_in_use = false; + bool odm_in_use = false; + + if (!transition_context) + return false; + /* Setup: + * Store the current ODM and MPC config in some temp variables to be + * restored after we commit the transition state. + */ + + /* check current pipes in use*/ + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *pipe = &transition_base_context->res_ctx.pipe_ctx[i]; + + if (pipe->plane_state) + pipe_in_use++; + } + + /* If SubVP is enabled and we are adding or removing planes from any main subvp + * pipe, we must use the minimal transition. + */ + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + + if (pipe->stream && pipe->stream->mall_stream_config.type == SUBVP_PHANTOM) { + subvp_in_use = true; + break; + } + } + + /* If ODM is enabled and we are adding or removing planes from any ODM + * pipe, we must use the minimal transition. + */ + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + + if (pipe->stream && pipe->next_odm_pipe) { + odm_in_use = true; + break; + } + } + + /* When the OS add a new surface if we have been used all of pipes with odm combine + * and mpc split feature, it need use commit_minimal_transition_state to transition safely. + * After OS exit MPO, it will back to use odm and mpc split with all of pipes, we need + * call it again. Otherwise return true to skip. + * + * Reduce the scenarios to use dc_commit_state_no_check in the stage of flip. Especially + * enter/exit MPO when DCN still have enough resources. + */ + if (pipe_in_use != dc->res_pool->pipe_count && !subvp_in_use && !odm_in_use) { + dc_release_state(transition_context); + return true; + } + + if (!dc->config.is_vmin_only_asic) { + tmp_mpc_policy = dc->debug.pipe_split_policy; + dc->debug.pipe_split_policy = MPC_SPLIT_AVOID; + } + + temp_dynamic_odm_policy = dc->debug.enable_single_display_2to1_odm_policy; + dc->debug.enable_single_display_2to1_odm_policy = false; + + temp_subvp_policy = dc->debug.force_disable_subvp; + dc->debug.force_disable_subvp = true; + + dc_resource_state_copy_construct(transition_base_context, transition_context); + + /* commit minimal state */ + if (dc->res_pool->funcs->validate_bandwidth(dc, transition_context, false)) { + for (i = 0; i < transition_context->stream_count; i++) { + struct dc_stream_status *stream_status = &transition_context->stream_status[i]; + + for (j = 0; j < stream_status->plane_count; j++) { + struct dc_plane_state *plane_state = stream_status->plane_states[j]; + + /* force vsync flip when reconfiguring pipes to prevent underflow + * and corruption + */ + plane_state->flip_immediate = false; + } + } + + ret = dc_commit_state_no_check(dc, transition_context); + } + + /* always release as dc_commit_state_no_check retains in good case */ + dc_release_state(transition_context); + + /* TearDown: + * Restore original configuration for ODM and MPO. + */ + if (!dc->config.is_vmin_only_asic) + dc->debug.pipe_split_policy = tmp_mpc_policy; + + dc->debug.enable_single_display_2to1_odm_policy = temp_dynamic_odm_policy; + dc->debug.force_disable_subvp = temp_subvp_policy; + + if (ret != DC_OK) { + /* this should never happen */ + BREAK_TO_DEBUGGER(); + return false; + } + + /* force full surface update */ + for (i = 0; i < dc->current_state->stream_count; i++) { + for (j = 0; j < dc->current_state->stream_status[i].plane_count; j++) { + dc->current_state->stream_status[i].plane_states[j]->update_flags.raw = 0xFFFFFFFF; + } + } + + return true; +} + +/** + * update_seamless_boot_flags() - Helper function for updating seamless boot flags + * + * @dc: Current DC state + * @context: New DC state to be programmed + * @surface_count: Number of surfaces that have an updated + * @stream: Corresponding stream to be updated in the current flip + * + * Updating seamless boot flags do not need to be part of the commit sequence. This + * helper function will update the seamless boot flags on each flip (if required) + * outside of the HW commit sequence (fast or slow). + * + * Return: void + */ +static void update_seamless_boot_flags(struct dc *dc, + struct dc_state *context, + int surface_count, + struct dc_stream_state *stream) +{ + if (get_seamless_boot_stream_count(context) > 0 && surface_count > 0) { + /* Optimize seamless boot flag keeps clocks and watermarks high until + * first flip. After first flip, optimization is required to lower + * bandwidth. Important to note that it is expected UEFI will + * only light up a single display on POST, therefore we only expect + * one stream with seamless boot flag set. + */ + if (stream->apply_seamless_boot_optimization) { + stream->apply_seamless_boot_optimization = false; + + if (get_seamless_boot_stream_count(context) == 0) + dc->optimized_required = true; + } + } +} + +static void populate_fast_updates(struct dc_fast_update *fast_update, + struct dc_surface_update *srf_updates, + int surface_count, + struct dc_stream_update *stream_update) +{ + int i = 0; + + if (stream_update) { + fast_update[0].out_transfer_func = stream_update->out_transfer_func; + fast_update[0].output_csc_transform = stream_update->output_csc_transform; + } + + for (i = 0; i < surface_count; i++) { + fast_update[i].flip_addr = srf_updates[i].flip_addr; + fast_update[i].gamma = srf_updates[i].gamma; + fast_update[i].gamut_remap_matrix = srf_updates[i].gamut_remap_matrix; + fast_update[i].input_csc_color_matrix = srf_updates[i].input_csc_color_matrix; + fast_update[i].coeff_reduction_factor = srf_updates[i].coeff_reduction_factor; + } +} + +static bool fast_updates_exist(struct dc_fast_update *fast_update, int surface_count) +{ + int i; + + if (fast_update[0].out_transfer_func || + fast_update[0].output_csc_transform) + return true; + + for (i = 0; i < surface_count; i++) { + if (fast_update[i].flip_addr || + fast_update[i].gamma || + fast_update[i].gamut_remap_matrix || + fast_update[i].input_csc_color_matrix || + fast_update[i].coeff_reduction_factor) + return true; + } + + return false; +} + +static bool full_update_required(struct dc *dc, + struct dc_surface_update *srf_updates, + int surface_count, + struct dc_stream_update *stream_update, + struct dc_stream_state *stream) +{ + + int i; + struct dc_stream_status *stream_status; + const struct dc_state *context = dc->current_state; + + for (i = 0; i < surface_count; i++) { + if (srf_updates && + (srf_updates[i].plane_info || + srf_updates[i].scaling_info || + (srf_updates[i].hdr_mult.value && + srf_updates[i].hdr_mult.value != srf_updates->surface->hdr_mult.value) || + srf_updates[i].in_transfer_func || + srf_updates[i].func_shaper || + srf_updates[i].lut3d_func || + srf_updates[i].blend_tf || + srf_updates[i].surface->force_full_update || + (srf_updates[i].flip_addr && + srf_updates[i].flip_addr->address.tmz_surface != srf_updates[i].surface->address.tmz_surface) || + !is_surface_in_context(context, srf_updates[i].surface))) + return true; + } + + if (stream_update && + (((stream_update->src.height != 0 && stream_update->src.width != 0) || + (stream_update->dst.height != 0 && stream_update->dst.width != 0) || + stream_update->integer_scaling_update) || + stream_update->hdr_static_metadata || + stream_update->abm_level || + stream_update->periodic_interrupt || + stream_update->vrr_infopacket || + stream_update->vsc_infopacket || + stream_update->vsp_infopacket || + stream_update->hfvsif_infopacket || + stream_update->vtem_infopacket || + stream_update->adaptive_sync_infopacket || + stream_update->dpms_off || + stream_update->allow_freesync || + stream_update->vrr_active_variable || + stream_update->vrr_active_fixed || + stream_update->gamut_remap || + stream_update->output_color_space || + stream_update->dither_option || + stream_update->wb_update || + stream_update->dsc_config || + stream_update->mst_bw_update || + stream_update->func_shaper || + stream_update->lut3d_func || + stream_update->pending_test_pattern || + stream_update->crtc_timing_adjust)) + return true; + + if (stream) { + stream_status = dc_stream_get_status(stream); + if (stream_status == NULL || stream_status->plane_count != surface_count) + return true; + } + if (dc->idle_optimizations_allowed) + return true; + + return false; +} + +static bool fast_update_only(struct dc *dc, + struct dc_fast_update *fast_update, + struct dc_surface_update *srf_updates, + int surface_count, + struct dc_stream_update *stream_update, + struct dc_stream_state *stream) +{ + return fast_updates_exist(fast_update, surface_count) + && !full_update_required(dc, srf_updates, surface_count, stream_update, stream); +} + +bool dc_update_planes_and_stream(struct dc *dc, + struct dc_surface_update *srf_updates, int surface_count, + struct dc_stream_state *stream, + struct dc_stream_update *stream_update) +{ + struct dc_state *context; + enum surface_update_type update_type; + int i; + struct mall_temp_config mall_temp_config; + struct dc_fast_update fast_update[MAX_SURFACES] = {0}; + + /* In cases where MPO and split or ODM are used transitions can + * cause underflow. Apply stream configuration with minimal pipe + * split first to avoid unsupported transitions for active pipes. + */ + bool force_minimal_pipe_splitting = 0; + bool is_plane_addition = 0; + + populate_fast_updates(fast_update, srf_updates, surface_count, stream_update); + force_minimal_pipe_splitting = could_mpcc_tree_change_for_active_pipes( + dc, + stream, + surface_count, + &is_plane_addition); + + /* on plane addition, minimal state is the current one */ + if (force_minimal_pipe_splitting && is_plane_addition && + !commit_minimal_transition_state(dc, dc->current_state)) + return false; + + if (!update_planes_and_stream_state( + dc, + srf_updates, + surface_count, + stream, + stream_update, + &update_type, + &context)) + return false; + + /* on plane removal, minimal state is the new one */ + if (force_minimal_pipe_splitting && !is_plane_addition) { + /* Since all phantom pipes are removed in full validation, + * we have to save and restore the subvp/mall config when + * we do a minimal transition since the flags marking the + * pipe as subvp/phantom will be cleared (dc copy constructor + * creates a shallow copy). + */ + if (dc->res_pool->funcs->save_mall_state) + dc->res_pool->funcs->save_mall_state(dc, context, &mall_temp_config); + if (!commit_minimal_transition_state(dc, context)) { + dc_release_state(context); + return false; + } + if (dc->res_pool->funcs->restore_mall_state) + dc->res_pool->funcs->restore_mall_state(dc, context, &mall_temp_config); + + /* If we do a minimal transition with plane removal and the context + * has subvp we also have to retain back the phantom stream / planes + * since the refcount is decremented as part of the min transition + * (we commit a state with no subvp, so the phantom streams / planes + * had to be removed). + */ + if (dc->res_pool->funcs->retain_phantom_pipes) + dc->res_pool->funcs->retain_phantom_pipes(dc, context); + update_type = UPDATE_TYPE_FULL; + } + + update_seamless_boot_flags(dc, context, surface_count, stream); + if (fast_update_only(dc, fast_update, srf_updates, surface_count, stream_update, stream) && + !dc->debug.enable_legacy_fast_update) { + commit_planes_for_stream_fast(dc, + srf_updates, + surface_count, + stream, + stream_update, + update_type, + context); + } else { + if (!stream_update && + dc->hwss.is_pipe_topology_transition_seamless && + !dc->hwss.is_pipe_topology_transition_seamless( + dc, dc->current_state, context)) { + + DC_LOG_ERROR("performing non-seamless pipe topology transition with surface only update!\n"); + BREAK_TO_DEBUGGER(); + } + commit_planes_for_stream( + dc, + srf_updates, + surface_count, + stream, + stream_update, + update_type, + context); + } + + if (dc->current_state != context) { + + /* Since memory free requires elevated IRQL, an interrupt + * request is generated by mem free. If this happens + * between freeing and reassigning the context, our vsync + * interrupt will call into dc and cause a memory + * corruption BSOD. Hence, we first reassign the context, + * then free the old context. + */ + + struct dc_state *old = dc->current_state; + + dc->current_state = context; + dc_release_state(old); + + // clear any forced full updates + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i]; + + if (pipe_ctx->plane_state && pipe_ctx->stream == stream) + pipe_ctx->plane_state->force_full_update = false; + } + } + return true; +} + +void dc_commit_updates_for_stream(struct dc *dc, + struct dc_surface_update *srf_updates, + int surface_count, + struct dc_stream_state *stream, + struct dc_stream_update *stream_update, + struct dc_state *state) +{ + const struct dc_stream_status *stream_status; + enum surface_update_type update_type; + struct dc_state *context; + struct dc_context *dc_ctx = dc->ctx; + int i, j; + struct dc_fast_update fast_update[MAX_SURFACES] = {0}; + + populate_fast_updates(fast_update, srf_updates, surface_count, stream_update); + stream_status = dc_stream_get_status(stream); + context = dc->current_state; + + update_type = dc_check_update_surfaces_for_stream( + dc, srf_updates, surface_count, stream_update, stream_status); + + /* TODO: Since change commit sequence can have a huge impact, + * we decided to only enable it for DCN3x. However, as soon as + * we get more confident about this change we'll need to enable + * the new sequence for all ASICs. + */ + if (dc->ctx->dce_version >= DCN_VERSION_3_2) { + /* + * Previous frame finished and HW is ready for optimization. + */ + if (update_type == UPDATE_TYPE_FAST) + dc_post_update_surfaces_to_stream(dc); + + dc_update_planes_and_stream(dc, srf_updates, + surface_count, stream, + stream_update); + return; + } + + if (update_type >= update_surface_trace_level) + update_surface_trace(dc, srf_updates, surface_count); + + + if (update_type >= UPDATE_TYPE_FULL) { + + /* initialize scratch memory for building context */ + context = dc_create_state(dc); + if (context == NULL) { + DC_ERROR("Failed to allocate new validate context!\n"); + return; + } + + dc_resource_state_copy_construct(state, context); + + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *new_pipe = &context->res_ctx.pipe_ctx[i]; + struct pipe_ctx *old_pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + + if (new_pipe->plane_state && new_pipe->plane_state != old_pipe->plane_state) + new_pipe->plane_state->force_full_update = true; + } + } else if (update_type == UPDATE_TYPE_FAST) { + /* + * Previous frame finished and HW is ready for optimization. + */ + dc_post_update_surfaces_to_stream(dc); + } + + + for (i = 0; i < surface_count; i++) { + struct dc_plane_state *surface = srf_updates[i].surface; + + copy_surface_update_to_plane(surface, &srf_updates[i]); + + if (update_type >= UPDATE_TYPE_MED) { + for (j = 0; j < dc->res_pool->pipe_count; j++) { + struct pipe_ctx *pipe_ctx = + &context->res_ctx.pipe_ctx[j]; + + if (pipe_ctx->plane_state != surface) + continue; + + resource_build_scaling_params(pipe_ctx); + } + } + } + + copy_stream_update_to_stream(dc, context, stream, stream_update); + + if (update_type >= UPDATE_TYPE_FULL) { + if (!dc->res_pool->funcs->validate_bandwidth(dc, context, false)) { + DC_ERROR("Mode validation failed for stream update!\n"); + dc_release_state(context); + return; + } + } + + TRACE_DC_PIPE_STATE(pipe_ctx, i, MAX_PIPES); + + update_seamless_boot_flags(dc, context, surface_count, stream); + if (fast_update_only(dc, fast_update, srf_updates, surface_count, stream_update, stream) && + !dc->debug.enable_legacy_fast_update) { + commit_planes_for_stream_fast(dc, + srf_updates, + surface_count, + stream, + stream_update, + update_type, + context); + } else { + commit_planes_for_stream( + dc, + srf_updates, + surface_count, + stream, + stream_update, + update_type, + context); + } + /*update current_State*/ + if (dc->current_state != context) { + + struct dc_state *old = dc->current_state; + + dc->current_state = context; + dc_release_state(old); + + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i]; + + if (pipe_ctx->plane_state && pipe_ctx->stream == stream) + pipe_ctx->plane_state->force_full_update = false; + } + } + + /* Legacy optimization path for DCE. */ + if (update_type >= UPDATE_TYPE_FULL && dc_ctx->dce_version < DCE_VERSION_MAX) { + dc_post_update_surfaces_to_stream(dc); + TRACE_DCE_CLOCK_STATE(&context->bw_ctx.bw.dce); + } + + return; + +} + +uint8_t dc_get_current_stream_count(struct dc *dc) +{ + return dc->current_state->stream_count; +} + +struct dc_stream_state *dc_get_stream_at_index(struct dc *dc, uint8_t i) +{ + if (i < dc->current_state->stream_count) + return dc->current_state->streams[i]; + return NULL; +} + +enum dc_irq_source dc_interrupt_to_irq_source( + struct dc *dc, + uint32_t src_id, + uint32_t ext_id) +{ + return dal_irq_service_to_irq_source(dc->res_pool->irqs, src_id, ext_id); +} + +/* + * dc_interrupt_set() - Enable/disable an AMD hw interrupt source + */ +bool dc_interrupt_set(struct dc *dc, enum dc_irq_source src, bool enable) +{ + + if (dc == NULL) + return false; + + return dal_irq_service_set(dc->res_pool->irqs, src, enable); +} + +void dc_interrupt_ack(struct dc *dc, enum dc_irq_source src) +{ + dal_irq_service_ack(dc->res_pool->irqs, src); +} + +void dc_power_down_on_boot(struct dc *dc) +{ + if (dc->ctx->dce_environment != DCE_ENV_VIRTUAL_HW && + dc->hwss.power_down_on_boot) + dc->hwss.power_down_on_boot(dc); +} + +void dc_set_power_state( + struct dc *dc, + enum dc_acpi_cm_power_state power_state) +{ + struct kref refcount; + struct display_mode_lib *dml; + + if (!dc->current_state) + return; + + switch (power_state) { + case DC_ACPI_CM_POWER_STATE_D0: + dc_resource_state_construct(dc, dc->current_state); + + dc_z10_restore(dc); + + dc->hwss.init_hw(dc); + + if (dc->hwss.init_sys_ctx != NULL && + dc->vm_pa_config.valid) { + dc->hwss.init_sys_ctx(dc->hwseq, dc, &dc->vm_pa_config); + } + + break; + default: + ASSERT(dc->current_state->stream_count == 0); + /* Zero out the current context so that on resume we start with + * clean state, and dc hw programming optimizations will not + * cause any trouble. + */ + dml = kzalloc(sizeof(struct display_mode_lib), + GFP_KERNEL); + + ASSERT(dml); + if (!dml) + return; + + /* Preserve refcount */ + refcount = dc->current_state->refcount; + /* Preserve display mode lib */ + memcpy(dml, &dc->current_state->bw_ctx.dml, sizeof(struct display_mode_lib)); + + dc_resource_state_destruct(dc->current_state); + memset(dc->current_state, 0, + sizeof(*dc->current_state)); + + dc->current_state->refcount = refcount; + dc->current_state->bw_ctx.dml = *dml; + + kfree(dml); + + break; + } +} + +void dc_resume(struct dc *dc) +{ + uint32_t i; + + for (i = 0; i < dc->link_count; i++) + dc->link_srv->resume(dc->links[i]); +} + +bool dc_is_dmcu_initialized(struct dc *dc) +{ + struct dmcu *dmcu = dc->res_pool->dmcu; + + if (dmcu) + return dmcu->funcs->is_dmcu_initialized(dmcu); + return false; +} + +void get_clock_requirements_for_state(struct dc_state *state, struct AsicStateEx *info) +{ + info->displayClock = (unsigned int)state->bw_ctx.bw.dcn.clk.dispclk_khz; + info->engineClock = (unsigned int)state->bw_ctx.bw.dcn.clk.dcfclk_khz; + info->memoryClock = (unsigned int)state->bw_ctx.bw.dcn.clk.dramclk_khz; + info->maxSupportedDppClock = (unsigned int)state->bw_ctx.bw.dcn.clk.max_supported_dppclk_khz; + info->dppClock = (unsigned int)state->bw_ctx.bw.dcn.clk.dppclk_khz; + info->socClock = (unsigned int)state->bw_ctx.bw.dcn.clk.socclk_khz; + info->dcfClockDeepSleep = (unsigned int)state->bw_ctx.bw.dcn.clk.dcfclk_deep_sleep_khz; + info->fClock = (unsigned int)state->bw_ctx.bw.dcn.clk.fclk_khz; + info->phyClock = (unsigned int)state->bw_ctx.bw.dcn.clk.phyclk_khz; +} +enum dc_status dc_set_clock(struct dc *dc, enum dc_clock_type clock_type, uint32_t clk_khz, uint32_t stepping) +{ + if (dc->hwss.set_clock) + return dc->hwss.set_clock(dc, clock_type, clk_khz, stepping); + return DC_ERROR_UNEXPECTED; +} +void dc_get_clock(struct dc *dc, enum dc_clock_type clock_type, struct dc_clock_config *clock_cfg) +{ + if (dc->hwss.get_clock) + dc->hwss.get_clock(dc, clock_type, clock_cfg); +} + +/* enable/disable eDP PSR without specify stream for eDP */ +bool dc_set_psr_allow_active(struct dc *dc, bool enable) +{ + int i; + bool allow_active; + + for (i = 0; i < dc->current_state->stream_count ; i++) { + struct dc_link *link; + struct dc_stream_state *stream = dc->current_state->streams[i]; + + link = stream->link; + if (!link) + continue; + + if (link->psr_settings.psr_feature_enabled) { + if (enable && !link->psr_settings.psr_allow_active) { + allow_active = true; + if (!dc_link_set_psr_allow_active(link, &allow_active, false, false, NULL)) + return false; + } else if (!enable && link->psr_settings.psr_allow_active) { + allow_active = false; + if (!dc_link_set_psr_allow_active(link, &allow_active, true, false, NULL)) + return false; + } + } + } + + return true; +} + +void dc_allow_idle_optimizations(struct dc *dc, bool allow) +{ + if (dc->debug.disable_idle_power_optimizations) + return; + + if (dc->clk_mgr != NULL && dc->clk_mgr->funcs->is_smu_present) + if (!dc->clk_mgr->funcs->is_smu_present(dc->clk_mgr)) + return; + + if (allow == dc->idle_optimizations_allowed) + return; + + if (dc->hwss.apply_idle_power_optimizations && dc->hwss.apply_idle_power_optimizations(dc, allow)) + dc->idle_optimizations_allowed = allow; +} + +/* set min and max memory clock to lowest and highest DPM level, respectively */ +void dc_unlock_memory_clock_frequency(struct dc *dc) +{ + if (dc->clk_mgr->funcs->set_hard_min_memclk) + dc->clk_mgr->funcs->set_hard_min_memclk(dc->clk_mgr, false); + + if (dc->clk_mgr->funcs->set_hard_max_memclk) + dc->clk_mgr->funcs->set_hard_max_memclk(dc->clk_mgr); +} + +/* set min memory clock to the min required for current mode, max to maxDPM */ +void dc_lock_memory_clock_frequency(struct dc *dc) +{ + if (dc->clk_mgr->funcs->get_memclk_states_from_smu) + dc->clk_mgr->funcs->get_memclk_states_from_smu(dc->clk_mgr); + + if (dc->clk_mgr->funcs->set_hard_min_memclk) + dc->clk_mgr->funcs->set_hard_min_memclk(dc->clk_mgr, true); + + if (dc->clk_mgr->funcs->set_hard_max_memclk) + dc->clk_mgr->funcs->set_hard_max_memclk(dc->clk_mgr); +} + +static void blank_and_force_memclk(struct dc *dc, bool apply, unsigned int memclk_mhz) +{ + struct dc_state *context = dc->current_state; + struct hubp *hubp; + struct pipe_ctx *pipe; + int i; + + for (i = 0; i < dc->res_pool->pipe_count; i++) { + pipe = &context->res_ctx.pipe_ctx[i]; + + if (pipe->stream != NULL) { + dc->hwss.disable_pixel_data(dc, pipe, true); + + // wait for double buffer + pipe->stream_res.tg->funcs->wait_for_state(pipe->stream_res.tg, CRTC_STATE_VACTIVE); + pipe->stream_res.tg->funcs->wait_for_state(pipe->stream_res.tg, CRTC_STATE_VBLANK); + pipe->stream_res.tg->funcs->wait_for_state(pipe->stream_res.tg, CRTC_STATE_VACTIVE); + + hubp = pipe->plane_res.hubp; + hubp->funcs->set_blank_regs(hubp, true); + } + } + + dc->clk_mgr->funcs->set_max_memclk(dc->clk_mgr, memclk_mhz); + dc->clk_mgr->funcs->set_min_memclk(dc->clk_mgr, memclk_mhz); + + for (i = 0; i < dc->res_pool->pipe_count; i++) { + pipe = &context->res_ctx.pipe_ctx[i]; + + if (pipe->stream != NULL) { + dc->hwss.disable_pixel_data(dc, pipe, false); + + hubp = pipe->plane_res.hubp; + hubp->funcs->set_blank_regs(hubp, false); + } + } +} + + +/** + * dc_enable_dcmode_clk_limit() - lower clocks in dc (battery) mode + * @dc: pointer to dc of the dm calling this + * @enable: True = transition to DC mode, false = transition back to AC mode + * + * Some SoCs define additional clock limits when in DC mode, DM should + * invoke this function when the platform undergoes a power source transition + * so DC can apply/unapply the limit. This interface may be disruptive to + * the onscreen content. + * + * Context: Triggered by OS through DM interface, or manually by escape calls. + * Need to hold a dclock when doing so. + * + * Return: none (void function) + * + */ +void dc_enable_dcmode_clk_limit(struct dc *dc, bool enable) +{ + unsigned int softMax = 0, maxDPM = 0, funcMin = 0, i; + bool p_state_change_support; + + if (!dc->config.dc_mode_clk_limit_support) + return; + + softMax = dc->clk_mgr->bw_params->dc_mode_softmax_memclk; + for (i = 0; i < dc->clk_mgr->bw_params->clk_table.num_entries; i++) { + if (dc->clk_mgr->bw_params->clk_table.entries[i].memclk_mhz > maxDPM) + maxDPM = dc->clk_mgr->bw_params->clk_table.entries[i].memclk_mhz; + } + funcMin = (dc->clk_mgr->clks.dramclk_khz + 999) / 1000; + p_state_change_support = dc->clk_mgr->clks.p_state_change_support; + + if (enable && !dc->clk_mgr->dc_mode_softmax_enabled) { + if (p_state_change_support) { + if (funcMin <= softMax) + dc->clk_mgr->funcs->set_max_memclk(dc->clk_mgr, softMax); + // else: No-Op + } else { + if (funcMin <= softMax) + blank_and_force_memclk(dc, true, softMax); + // else: No-Op + } + } else if (!enable && dc->clk_mgr->dc_mode_softmax_enabled) { + if (p_state_change_support) { + if (funcMin <= softMax) + dc->clk_mgr->funcs->set_max_memclk(dc->clk_mgr, maxDPM); + // else: No-Op + } else { + if (funcMin <= softMax) + blank_and_force_memclk(dc, true, maxDPM); + // else: No-Op + } + } + dc->clk_mgr->dc_mode_softmax_enabled = enable; +} +bool dc_is_plane_eligible_for_idle_optimizations(struct dc *dc, struct dc_plane_state *plane, + struct dc_cursor_attributes *cursor_attr) +{ + if (dc->hwss.does_plane_fit_in_mall && dc->hwss.does_plane_fit_in_mall(dc, plane, cursor_attr)) + return true; + return false; +} + +/* cleanup on driver unload */ +void dc_hardware_release(struct dc *dc) +{ + dc_mclk_switch_using_fw_based_vblank_stretch_shut_down(dc); + + if (dc->hwss.hardware_release) + dc->hwss.hardware_release(dc); +} + +void dc_mclk_switch_using_fw_based_vblank_stretch_shut_down(struct dc *dc) +{ + if (dc->current_state) + dc->current_state->bw_ctx.bw.dcn.clk.fw_based_mclk_switching_shut_down = true; +} + +/** + * dc_is_dmub_outbox_supported - Check if DMUB firmware support outbox notification + * + * @dc: [in] dc structure + * + * Checks whether DMUB FW supports outbox notifications, if supported DM + * should register outbox interrupt prior to actually enabling interrupts + * via dc_enable_dmub_outbox + * + * Return: + * True if DMUB FW supports outbox notifications, False otherwise + */ +bool dc_is_dmub_outbox_supported(struct dc *dc) +{ + switch (dc->ctx->asic_id.chip_family) { + + case FAMILY_YELLOW_CARP: + /* DCN31 B0 USB4 DPIA needs dmub notifications for interrupts */ + if (dc->ctx->asic_id.hw_internal_rev == YELLOW_CARP_B0 && + !dc->debug.dpia_debug.bits.disable_dpia) + return true; + break; + + case AMDGPU_FAMILY_GC_11_0_1: + case AMDGPU_FAMILY_GC_11_5_0: + if (!dc->debug.dpia_debug.bits.disable_dpia) + return true; + break; + + default: + break; + } + + /* dmub aux needs dmub notifications to be enabled */ + return dc->debug.enable_dmub_aux_for_legacy_ddc; + +} + +/** + * dc_enable_dmub_notifications - Check if dmub fw supports outbox + * + * @dc: [in] dc structure + * + * Calls dc_is_dmub_outbox_supported to check if dmub fw supports outbox + * notifications. All DMs shall switch to dc_is_dmub_outbox_supported. This + * API shall be removed after switching. + * + * Return: + * True if DMUB FW supports outbox notifications, False otherwise + */ +bool dc_enable_dmub_notifications(struct dc *dc) +{ + return dc_is_dmub_outbox_supported(dc); +} + +/** + * dc_enable_dmub_outbox - Enables DMUB unsolicited notification + * + * @dc: [in] dc structure + * + * Enables DMUB unsolicited notifications to x86 via outbox. + */ +void dc_enable_dmub_outbox(struct dc *dc) +{ + struct dc_context *dc_ctx = dc->ctx; + + dmub_enable_outbox_notification(dc_ctx->dmub_srv); + DC_LOG_DC("%s: dmub outbox notifications enabled\n", __func__); +} + +/** + * dc_process_dmub_aux_transfer_async - Submits aux command to dmub via inbox message + * Sets port index appropriately for legacy DDC + * @dc: dc structure + * @link_index: link index + * @payload: aux payload + * + * Returns: True if successful, False if failure + */ +bool dc_process_dmub_aux_transfer_async(struct dc *dc, + uint32_t link_index, + struct aux_payload *payload) +{ + uint8_t action; + union dmub_rb_cmd cmd = {0}; + + ASSERT(payload->length <= 16); + + cmd.dp_aux_access.header.type = DMUB_CMD__DP_AUX_ACCESS; + cmd.dp_aux_access.header.payload_bytes = 0; + /* For dpia, ddc_pin is set to NULL */ + if (!dc->links[link_index]->ddc->ddc_pin) + cmd.dp_aux_access.aux_control.type = AUX_CHANNEL_DPIA; + else + cmd.dp_aux_access.aux_control.type = AUX_CHANNEL_LEGACY_DDC; + + cmd.dp_aux_access.aux_control.instance = dc->links[link_index]->ddc_hw_inst; + cmd.dp_aux_access.aux_control.sw_crc_enabled = 0; + cmd.dp_aux_access.aux_control.timeout = 0; + cmd.dp_aux_access.aux_control.dpaux.address = payload->address; + cmd.dp_aux_access.aux_control.dpaux.is_i2c_over_aux = payload->i2c_over_aux; + cmd.dp_aux_access.aux_control.dpaux.length = payload->length; + + /* set aux action */ + if (payload->i2c_over_aux) { + if (payload->write) { + if (payload->mot) + action = DP_AUX_REQ_ACTION_I2C_WRITE_MOT; + else + action = DP_AUX_REQ_ACTION_I2C_WRITE; + } else { + if (payload->mot) + action = DP_AUX_REQ_ACTION_I2C_READ_MOT; + else + action = DP_AUX_REQ_ACTION_I2C_READ; + } + } else { + if (payload->write) + action = DP_AUX_REQ_ACTION_DPCD_WRITE; + else + action = DP_AUX_REQ_ACTION_DPCD_READ; + } + + cmd.dp_aux_access.aux_control.dpaux.action = action; + + if (payload->length && payload->write) { + memcpy(cmd.dp_aux_access.aux_control.dpaux.data, + payload->data, + payload->length + ); + } + + dm_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT); + + return true; +} + +uint8_t get_link_index_from_dpia_port_index(const struct dc *dc, + uint8_t dpia_port_index) +{ + uint8_t index, link_index = 0xFF; + + for (index = 0; index < dc->link_count; index++) { + /* ddc_hw_inst has dpia port index for dpia links + * and ddc instance for legacy links + */ + if (!dc->links[index]->ddc->ddc_pin) { + if (dc->links[index]->ddc_hw_inst == dpia_port_index) { + link_index = index; + break; + } + } + } + ASSERT(link_index != 0xFF); + return link_index; +} + +/** + * dc_process_dmub_set_config_async - Submits set_config command + * + * @dc: [in] dc structure + * @link_index: [in] link_index: link index + * @payload: [in] aux payload + * @notify: [out] set_config immediate reply + * + * Submits set_config command to dmub via inbox message. + * + * Return: + * True if successful, False if failure + */ +bool dc_process_dmub_set_config_async(struct dc *dc, + uint32_t link_index, + struct set_config_cmd_payload *payload, + struct dmub_notification *notify) +{ + union dmub_rb_cmd cmd = {0}; + bool is_cmd_complete = true; + + /* prepare SET_CONFIG command */ + cmd.set_config_access.header.type = DMUB_CMD__DPIA; + cmd.set_config_access.header.sub_type = DMUB_CMD__DPIA_SET_CONFIG_ACCESS; + + cmd.set_config_access.set_config_control.instance = dc->links[link_index]->ddc_hw_inst; + cmd.set_config_access.set_config_control.cmd_pkt.msg_type = payload->msg_type; + cmd.set_config_access.set_config_control.cmd_pkt.msg_data = payload->msg_data; + + if (!dm_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT_WITH_REPLY)) { + /* command is not processed by dmub */ + notify->sc_status = SET_CONFIG_UNKNOWN_ERROR; + return is_cmd_complete; + } + + /* command processed by dmub, if ret_status is 1, it is completed instantly */ + if (cmd.set_config_access.header.ret_status == 1) + notify->sc_status = cmd.set_config_access.set_config_control.immed_status; + else + /* cmd pending, will receive notification via outbox */ + is_cmd_complete = false; + + return is_cmd_complete; +} + +/** + * dc_process_dmub_set_mst_slots - Submits MST solt allocation + * + * @dc: [in] dc structure + * @link_index: [in] link index + * @mst_alloc_slots: [in] mst slots to be allotted + * @mst_slots_in_use: [out] mst slots in use returned in failure case + * + * Submits mst slot allocation command to dmub via inbox message + * + * Return: + * DC_OK if successful, DC_ERROR if failure + */ +enum dc_status dc_process_dmub_set_mst_slots(const struct dc *dc, + uint32_t link_index, + uint8_t mst_alloc_slots, + uint8_t *mst_slots_in_use) +{ + union dmub_rb_cmd cmd = {0}; + + /* prepare MST_ALLOC_SLOTS command */ + cmd.set_mst_alloc_slots.header.type = DMUB_CMD__DPIA; + cmd.set_mst_alloc_slots.header.sub_type = DMUB_CMD__DPIA_MST_ALLOC_SLOTS; + + cmd.set_mst_alloc_slots.mst_slots_control.instance = dc->links[link_index]->ddc_hw_inst; + cmd.set_mst_alloc_slots.mst_slots_control.mst_alloc_slots = mst_alloc_slots; + + if (!dm_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT_WITH_REPLY)) + /* command is not processed by dmub */ + return DC_ERROR_UNEXPECTED; + + /* command processed by dmub, if ret_status is 1 */ + if (cmd.set_config_access.header.ret_status != 1) + /* command processing error */ + return DC_ERROR_UNEXPECTED; + + /* command processed and we have a status of 2, mst not enabled in dpia */ + if (cmd.set_mst_alloc_slots.mst_slots_control.immed_status == 2) + return DC_FAIL_UNSUPPORTED_1; + + /* previously configured mst alloc and used slots did not match */ + if (cmd.set_mst_alloc_slots.mst_slots_control.immed_status == 3) { + *mst_slots_in_use = cmd.set_mst_alloc_slots.mst_slots_control.mst_slots_in_use; + return DC_NOT_SUPPORTED; + } + + return DC_OK; +} + +/** + * dc_process_dmub_dpia_hpd_int_enable - Submits DPIA DPD interruption + * + * @dc: [in] dc structure + * @hpd_int_enable: [in] 1 for hpd int enable, 0 to disable + * + * Submits dpia hpd int enable command to dmub via inbox message + */ +void dc_process_dmub_dpia_hpd_int_enable(const struct dc *dc, + uint32_t hpd_int_enable) +{ + union dmub_rb_cmd cmd = {0}; + + cmd.dpia_hpd_int_enable.header.type = DMUB_CMD__DPIA_HPD_INT_ENABLE; + cmd.dpia_hpd_int_enable.enable = hpd_int_enable; + + dm_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT); + + DC_LOG_DEBUG("%s: hpd_int_enable(%d)\n", __func__, hpd_int_enable); +} + +/** + * dc_print_dmub_diagnostic_data - Print DMUB diagnostic data for debugging + * + * @dc: [in] dc structure + * + * + */ +void dc_print_dmub_diagnostic_data(const struct dc *dc) +{ + dc_dmub_srv_log_diagnostic_data(dc->ctx->dmub_srv); +} + +/** + * dc_disable_accelerated_mode - disable accelerated mode + * @dc: dc structure + */ +void dc_disable_accelerated_mode(struct dc *dc) +{ + bios_set_scratch_acc_mode_change(dc->ctx->dc_bios, 0); +} + + +/** + * dc_notify_vsync_int_state - notifies vsync enable/disable state + * @dc: dc structure + * @stream: stream where vsync int state changed + * @enable: whether vsync is enabled or disabled + * + * Called when vsync is enabled/disabled Will notify DMUB to start/stop ABM + * interrupts after steady state is reached. + */ +void dc_notify_vsync_int_state(struct dc *dc, struct dc_stream_state *stream, bool enable) +{ + int i; + int edp_num; + struct pipe_ctx *pipe = NULL; + struct dc_link *link = stream->sink->link; + struct dc_link *edp_links[MAX_NUM_EDP]; + + + if (link->psr_settings.psr_feature_enabled) + return; + + if (link->replay_settings.replay_feature_enabled) + return; + + /*find primary pipe associated with stream*/ + for (i = 0; i < MAX_PIPES; i++) { + pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + + if (pipe->stream == stream && pipe->stream_res.tg) + break; + } + + if (i == MAX_PIPES) { + ASSERT(0); + return; + } + + dc_get_edp_links(dc, edp_links, &edp_num); + + /* Determine panel inst */ + for (i = 0; i < edp_num; i++) { + if (edp_links[i] == link) + break; + } + + if (i == edp_num) { + return; + } + + if (pipe->stream_res.abm && pipe->stream_res.abm->funcs->set_abm_pause) + pipe->stream_res.abm->funcs->set_abm_pause(pipe->stream_res.abm, !enable, i, pipe->stream_res.tg->inst); +} + +/***************************************************************************** + * dc_abm_save_restore() - Interface to DC for save+pause and restore+un-pause + * ABM + * @dc: dc structure + * @stream: stream where vsync int state changed + * @pData: abm hw states + * + ****************************************************************************/ +bool dc_abm_save_restore( + struct dc *dc, + struct dc_stream_state *stream, + struct abm_save_restore *pData) +{ + int i; + int edp_num; + struct pipe_ctx *pipe = NULL; + struct dc_link *link = stream->sink->link; + struct dc_link *edp_links[MAX_NUM_EDP]; + + + /*find primary pipe associated with stream*/ + for (i = 0; i < MAX_PIPES; i++) { + pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + + if (pipe->stream == stream && pipe->stream_res.tg) + break; + } + + if (i == MAX_PIPES) { + ASSERT(0); + return false; + } + + dc_get_edp_links(dc, edp_links, &edp_num); + + /* Determine panel inst */ + for (i = 0; i < edp_num; i++) + if (edp_links[i] == link) + break; + + if (i == edp_num) + return false; + + if (pipe->stream_res.abm && + pipe->stream_res.abm->funcs->save_restore) + return pipe->stream_res.abm->funcs->save_restore( + pipe->stream_res.abm, + i, + pData); + return false; +} + +void dc_query_current_properties(struct dc *dc, struct dc_current_properties *properties) +{ + unsigned int i; + bool subvp_in_use = false; + + for (i = 0; i < dc->current_state->stream_count; i++) { + if (dc->current_state->streams[i]->mall_stream_config.type != SUBVP_NONE) { + subvp_in_use = true; + break; + } + } + properties->cursor_size_limit = subvp_in_use ? 64 : dc->caps.max_cursor_size; +} + +/** + ***************************************************************************** + * dc_set_edp_power() - DM controls eDP power to be ON/OFF + * + * Called when DM wants to power on/off eDP. + * Only work on links with flag skip_implict_edp_power_control is set. + * + ***************************************************************************** + */ +void dc_set_edp_power(const struct dc *dc, struct dc_link *edp_link, + bool powerOn) +{ + if (edp_link->connector_signal != SIGNAL_TYPE_EDP) + return; + + if (edp_link->skip_implict_edp_power_control == false) + return; + + edp_link->dc->link_srv->edp_set_panel_power(edp_link, powerOn); +} + |