diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc_resource.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 3986 |
1 files changed, 3986 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c new file mode 100644 index 000000000..66923f510 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -0,0 +1,3986 @@ +/* + * Copyright 2012-15 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 "resource.h" +#include "include/irq_service_interface.h" +#include "link_encoder.h" +#include "stream_encoder.h" +#include "opp.h" +#include "timing_generator.h" +#include "transform.h" +#include "dccg.h" +#include "dchubbub.h" +#include "dpp.h" +#include "core_types.h" +#include "set_mode_types.h" +#include "virtual/virtual_stream_encoder.h" +#include "dpcd_defs.h" +#include "link_enc_cfg.h" +#include "dc_link_dp.h" +#include "virtual/virtual_link_hwss.h" +#include "link/link_hwss_dio.h" +#include "link/link_hwss_dpia.h" +#include "link/link_hwss_hpo_dp.h" + +#if defined(CONFIG_DRM_AMD_DC_SI) +#include "dce60/dce60_resource.h" +#endif +#include "dce80/dce80_resource.h" +#include "dce100/dce100_resource.h" +#include "dce110/dce110_resource.h" +#include "dce112/dce112_resource.h" +#include "dce120/dce120_resource.h" +#include "dcn10/dcn10_resource.h" +#include "dcn20/dcn20_resource.h" +#include "dcn21/dcn21_resource.h" +#include "dcn201/dcn201_resource.h" +#include "dcn30/dcn30_resource.h" +#include "dcn301/dcn301_resource.h" +#include "dcn302/dcn302_resource.h" +#include "dcn303/dcn303_resource.h" +#include "dcn31/dcn31_resource.h" +#include "dcn314/dcn314_resource.h" +#include "dcn315/dcn315_resource.h" +#include "dcn316/dcn316_resource.h" +#include "../dcn32/dcn32_resource.h" +#include "../dcn321/dcn321_resource.h" + +#define DC_LOGGER_INIT(logger) + +enum dce_version resource_parse_asic_id(struct hw_asic_id asic_id) +{ + enum dce_version dc_version = DCE_VERSION_UNKNOWN; + + switch (asic_id.chip_family) { + +#if defined(CONFIG_DRM_AMD_DC_SI) + case FAMILY_SI: + if (ASIC_REV_IS_TAHITI_P(asic_id.hw_internal_rev) || + ASIC_REV_IS_PITCAIRN_PM(asic_id.hw_internal_rev) || + ASIC_REV_IS_CAPEVERDE_M(asic_id.hw_internal_rev)) + dc_version = DCE_VERSION_6_0; + else if (ASIC_REV_IS_OLAND_M(asic_id.hw_internal_rev)) + dc_version = DCE_VERSION_6_4; + else + dc_version = DCE_VERSION_6_1; + break; +#endif + case FAMILY_CI: + dc_version = DCE_VERSION_8_0; + break; + case FAMILY_KV: + if (ASIC_REV_IS_KALINDI(asic_id.hw_internal_rev) || + ASIC_REV_IS_BHAVANI(asic_id.hw_internal_rev) || + ASIC_REV_IS_GODAVARI(asic_id.hw_internal_rev)) + dc_version = DCE_VERSION_8_3; + else + dc_version = DCE_VERSION_8_1; + break; + case FAMILY_CZ: + dc_version = DCE_VERSION_11_0; + break; + + case FAMILY_VI: + if (ASIC_REV_IS_TONGA_P(asic_id.hw_internal_rev) || + ASIC_REV_IS_FIJI_P(asic_id.hw_internal_rev)) { + dc_version = DCE_VERSION_10_0; + break; + } + if (ASIC_REV_IS_POLARIS10_P(asic_id.hw_internal_rev) || + ASIC_REV_IS_POLARIS11_M(asic_id.hw_internal_rev) || + ASIC_REV_IS_POLARIS12_V(asic_id.hw_internal_rev)) { + dc_version = DCE_VERSION_11_2; + } + if (ASIC_REV_IS_VEGAM(asic_id.hw_internal_rev)) + dc_version = DCE_VERSION_11_22; + break; + case FAMILY_AI: + if (ASICREV_IS_VEGA20_P(asic_id.hw_internal_rev)) + dc_version = DCE_VERSION_12_1; + else + dc_version = DCE_VERSION_12_0; + break; + case FAMILY_RV: + dc_version = DCN_VERSION_1_0; + if (ASICREV_IS_RAVEN2(asic_id.hw_internal_rev)) + dc_version = DCN_VERSION_1_01; + if (ASICREV_IS_RENOIR(asic_id.hw_internal_rev)) + dc_version = DCN_VERSION_2_1; + if (ASICREV_IS_GREEN_SARDINE(asic_id.hw_internal_rev)) + dc_version = DCN_VERSION_2_1; + break; + + case FAMILY_NV: + dc_version = DCN_VERSION_2_0; + if (asic_id.chip_id == DEVICE_ID_NV_13FE || asic_id.chip_id == DEVICE_ID_NV_143F) { + dc_version = DCN_VERSION_2_01; + break; + } + if (ASICREV_IS_SIENNA_CICHLID_P(asic_id.hw_internal_rev)) + dc_version = DCN_VERSION_3_0; + if (ASICREV_IS_DIMGREY_CAVEFISH_P(asic_id.hw_internal_rev)) + dc_version = DCN_VERSION_3_02; + if (ASICREV_IS_BEIGE_GOBY_P(asic_id.hw_internal_rev)) + dc_version = DCN_VERSION_3_03; + break; + + case FAMILY_VGH: + dc_version = DCN_VERSION_3_01; + break; + + case FAMILY_YELLOW_CARP: + if (ASICREV_IS_YELLOW_CARP(asic_id.hw_internal_rev)) + dc_version = DCN_VERSION_3_1; + break; + case AMDGPU_FAMILY_GC_10_3_6: + if (ASICREV_IS_GC_10_3_6(asic_id.hw_internal_rev)) + dc_version = DCN_VERSION_3_15; + break; + case AMDGPU_FAMILY_GC_10_3_7: + if (ASICREV_IS_GC_10_3_7(asic_id.hw_internal_rev)) + dc_version = DCN_VERSION_3_16; + break; + case AMDGPU_FAMILY_GC_11_0_0: + dc_version = DCN_VERSION_3_2; + if (ASICREV_IS_GC_11_0_2(asic_id.hw_internal_rev)) + dc_version = DCN_VERSION_3_21; + break; + case AMDGPU_FAMILY_GC_11_0_1: + dc_version = DCN_VERSION_3_14; + break; + default: + dc_version = DCE_VERSION_UNKNOWN; + break; + } + return dc_version; +} + +struct resource_pool *dc_create_resource_pool(struct dc *dc, + const struct dc_init_data *init_data, + enum dce_version dc_version) +{ + struct resource_pool *res_pool = NULL; + + switch (dc_version) { +#if defined(CONFIG_DRM_AMD_DC_SI) + case DCE_VERSION_6_0: + res_pool = dce60_create_resource_pool( + init_data->num_virtual_links, dc); + break; + case DCE_VERSION_6_1: + res_pool = dce61_create_resource_pool( + init_data->num_virtual_links, dc); + break; + case DCE_VERSION_6_4: + res_pool = dce64_create_resource_pool( + init_data->num_virtual_links, dc); + break; +#endif + case DCE_VERSION_8_0: + res_pool = dce80_create_resource_pool( + init_data->num_virtual_links, dc); + break; + case DCE_VERSION_8_1: + res_pool = dce81_create_resource_pool( + init_data->num_virtual_links, dc); + break; + case DCE_VERSION_8_3: + res_pool = dce83_create_resource_pool( + init_data->num_virtual_links, dc); + break; + case DCE_VERSION_10_0: + res_pool = dce100_create_resource_pool( + init_data->num_virtual_links, dc); + break; + case DCE_VERSION_11_0: + res_pool = dce110_create_resource_pool( + init_data->num_virtual_links, dc, + init_data->asic_id); + break; + case DCE_VERSION_11_2: + case DCE_VERSION_11_22: + res_pool = dce112_create_resource_pool( + init_data->num_virtual_links, dc); + break; + case DCE_VERSION_12_0: + case DCE_VERSION_12_1: + res_pool = dce120_create_resource_pool( + init_data->num_virtual_links, dc); + break; + +#if defined(CONFIG_DRM_AMD_DC_DCN) + case DCN_VERSION_1_0: + case DCN_VERSION_1_01: + res_pool = dcn10_create_resource_pool(init_data, dc); + break; + case DCN_VERSION_2_0: + res_pool = dcn20_create_resource_pool(init_data, dc); + break; + case DCN_VERSION_2_1: + res_pool = dcn21_create_resource_pool(init_data, dc); + break; + case DCN_VERSION_2_01: + res_pool = dcn201_create_resource_pool(init_data, dc); + break; + case DCN_VERSION_3_0: + res_pool = dcn30_create_resource_pool(init_data, dc); + break; + case DCN_VERSION_3_01: + res_pool = dcn301_create_resource_pool(init_data, dc); + break; + case DCN_VERSION_3_02: + res_pool = dcn302_create_resource_pool(init_data, dc); + break; + case DCN_VERSION_3_03: + res_pool = dcn303_create_resource_pool(init_data, dc); + break; + case DCN_VERSION_3_1: + res_pool = dcn31_create_resource_pool(init_data, dc); + break; + case DCN_VERSION_3_14: + res_pool = dcn314_create_resource_pool(init_data, dc); + break; + case DCN_VERSION_3_15: + res_pool = dcn315_create_resource_pool(init_data, dc); + break; + case DCN_VERSION_3_16: + res_pool = dcn316_create_resource_pool(init_data, dc); + break; + case DCN_VERSION_3_2: + res_pool = dcn32_create_resource_pool(init_data, dc); + break; + case DCN_VERSION_3_21: + res_pool = dcn321_create_resource_pool(init_data, dc); + break; +#endif + default: + break; + } + + if (res_pool != NULL) { + if (dc->ctx->dc_bios->fw_info_valid) { + res_pool->ref_clocks.xtalin_clock_inKhz = + dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency; + /* initialize with firmware data first, no all + * ASIC have DCCG SW component. FPGA or + * simulation need initialization of + * dccg_ref_clock_inKhz, dchub_ref_clock_inKhz + * with xtalin_clock_inKhz + */ + res_pool->ref_clocks.dccg_ref_clock_inKhz = + res_pool->ref_clocks.xtalin_clock_inKhz; + res_pool->ref_clocks.dchub_ref_clock_inKhz = + res_pool->ref_clocks.xtalin_clock_inKhz; + } else + ASSERT_CRITICAL(false); + } + + return res_pool; +} + +void dc_destroy_resource_pool(struct dc *dc) +{ + if (dc) { + if (dc->res_pool) + dc->res_pool->funcs->destroy(&dc->res_pool); + + kfree(dc->hwseq); + } +} + +static void update_num_audio( + const struct resource_straps *straps, + unsigned int *num_audio, + struct audio_support *aud_support) +{ + aud_support->dp_audio = true; + aud_support->hdmi_audio_native = false; + aud_support->hdmi_audio_on_dongle = false; + + if (straps->hdmi_disable == 0) { + if (straps->dc_pinstraps_audio & 0x2) { + aud_support->hdmi_audio_on_dongle = true; + aud_support->hdmi_audio_native = true; + } + } + + switch (straps->audio_stream_number) { + case 0: /* multi streams supported */ + break; + case 1: /* multi streams not supported */ + *num_audio = 1; + break; + default: + DC_ERR("DC: unexpected audio fuse!\n"); + } +} + +bool resource_construct( + unsigned int num_virtual_links, + struct dc *dc, + struct resource_pool *pool, + const struct resource_create_funcs *create_funcs) +{ + struct dc_context *ctx = dc->ctx; + const struct resource_caps *caps = pool->res_cap; + int i; + unsigned int num_audio = caps->num_audio; + struct resource_straps straps = {0}; + + if (create_funcs->read_dce_straps) + create_funcs->read_dce_straps(dc->ctx, &straps); + + pool->audio_count = 0; + if (create_funcs->create_audio) { + /* find the total number of streams available via the + * AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT + * registers (one for each pin) starting from pin 1 + * up to the max number of audio pins. + * We stop on the first pin where + * PORT_CONNECTIVITY == 1 (as instructed by HW team). + */ + update_num_audio(&straps, &num_audio, &pool->audio_support); + for (i = 0; i < caps->num_audio; i++) { + struct audio *aud = create_funcs->create_audio(ctx, i); + + if (aud == NULL) { + DC_ERR("DC: failed to create audio!\n"); + return false; + } + if (!aud->funcs->endpoint_valid(aud)) { + aud->funcs->destroy(&aud); + break; + } + pool->audios[i] = aud; + pool->audio_count++; + } + } + + pool->stream_enc_count = 0; + if (create_funcs->create_stream_encoder) { + for (i = 0; i < caps->num_stream_encoder; i++) { + pool->stream_enc[i] = create_funcs->create_stream_encoder(i, ctx); + if (pool->stream_enc[i] == NULL) + DC_ERR("DC: failed to create stream_encoder!\n"); + pool->stream_enc_count++; + } + } + + pool->hpo_dp_stream_enc_count = 0; + if (create_funcs->create_hpo_dp_stream_encoder) { + for (i = 0; i < caps->num_hpo_dp_stream_encoder; i++) { + pool->hpo_dp_stream_enc[i] = create_funcs->create_hpo_dp_stream_encoder(i+ENGINE_ID_HPO_DP_0, ctx); + if (pool->hpo_dp_stream_enc[i] == NULL) + DC_ERR("DC: failed to create HPO DP stream encoder!\n"); + pool->hpo_dp_stream_enc_count++; + + } + } + + pool->hpo_dp_link_enc_count = 0; + if (create_funcs->create_hpo_dp_link_encoder) { + for (i = 0; i < caps->num_hpo_dp_link_encoder; i++) { + pool->hpo_dp_link_enc[i] = create_funcs->create_hpo_dp_link_encoder(i, ctx); + if (pool->hpo_dp_link_enc[i] == NULL) + DC_ERR("DC: failed to create HPO DP link encoder!\n"); + pool->hpo_dp_link_enc_count++; + } + } + + for (i = 0; i < caps->num_mpc_3dlut; i++) { + pool->mpc_lut[i] = dc_create_3dlut_func(); + if (pool->mpc_lut[i] == NULL) + DC_ERR("DC: failed to create MPC 3dlut!\n"); + pool->mpc_shaper[i] = dc_create_transfer_func(); + if (pool->mpc_shaper[i] == NULL) + DC_ERR("DC: failed to create MPC shaper!\n"); + } + + dc->caps.dynamic_audio = false; + if (pool->audio_count < pool->stream_enc_count) { + dc->caps.dynamic_audio = true; + } + for (i = 0; i < num_virtual_links; i++) { + pool->stream_enc[pool->stream_enc_count] = + virtual_stream_encoder_create( + ctx, ctx->dc_bios); + if (pool->stream_enc[pool->stream_enc_count] == NULL) { + DC_ERR("DC: failed to create stream_encoder!\n"); + return false; + } + pool->stream_enc_count++; + } + + dc->hwseq = create_funcs->create_hwseq(ctx); + + return true; +} +static int find_matching_clock_source( + const struct resource_pool *pool, + struct clock_source *clock_source) +{ + + int i; + + for (i = 0; i < pool->clk_src_count; i++) { + if (pool->clock_sources[i] == clock_source) + return i; + } + return -1; +} + +void resource_unreference_clock_source( + struct resource_context *res_ctx, + const struct resource_pool *pool, + struct clock_source *clock_source) +{ + int i = find_matching_clock_source(pool, clock_source); + + if (i > -1) + res_ctx->clock_source_ref_count[i]--; + + if (pool->dp_clock_source == clock_source) + res_ctx->dp_clock_source_ref_count--; +} + +void resource_reference_clock_source( + struct resource_context *res_ctx, + const struct resource_pool *pool, + struct clock_source *clock_source) +{ + int i = find_matching_clock_source(pool, clock_source); + + if (i > -1) + res_ctx->clock_source_ref_count[i]++; + + if (pool->dp_clock_source == clock_source) + res_ctx->dp_clock_source_ref_count++; +} + +int resource_get_clock_source_reference( + struct resource_context *res_ctx, + const struct resource_pool *pool, + struct clock_source *clock_source) +{ + int i = find_matching_clock_source(pool, clock_source); + + if (i > -1) + return res_ctx->clock_source_ref_count[i]; + + if (pool->dp_clock_source == clock_source) + return res_ctx->dp_clock_source_ref_count; + + return -1; +} + +bool resource_are_vblanks_synchronizable( + struct dc_stream_state *stream1, + struct dc_stream_state *stream2) +{ + uint32_t base60_refresh_rates[] = {10, 20, 5}; + uint8_t i; + uint8_t rr_count = ARRAY_SIZE(base60_refresh_rates); + uint64_t frame_time_diff; + + if (stream1->ctx->dc->config.vblank_alignment_dto_params && + stream1->ctx->dc->config.vblank_alignment_max_frame_time_diff > 0 && + dc_is_dp_signal(stream1->signal) && + dc_is_dp_signal(stream2->signal) && + false == stream1->has_non_synchronizable_pclk && + false == stream2->has_non_synchronizable_pclk && + stream1->timing.flags.VBLANK_SYNCHRONIZABLE && + stream2->timing.flags.VBLANK_SYNCHRONIZABLE) { + /* disable refresh rates higher than 60Hz for now */ + if (stream1->timing.pix_clk_100hz*100/stream1->timing.h_total/ + stream1->timing.v_total > 60) + return false; + if (stream2->timing.pix_clk_100hz*100/stream2->timing.h_total/ + stream2->timing.v_total > 60) + return false; + frame_time_diff = (uint64_t)10000 * + stream1->timing.h_total * + stream1->timing.v_total * + stream2->timing.pix_clk_100hz; + frame_time_diff = div_u64(frame_time_diff, stream1->timing.pix_clk_100hz); + frame_time_diff = div_u64(frame_time_diff, stream2->timing.h_total); + frame_time_diff = div_u64(frame_time_diff, stream2->timing.v_total); + for (i = 0; i < rr_count; i++) { + int64_t diff = (int64_t)div_u64(frame_time_diff * base60_refresh_rates[i], 10) - 10000; + + if (diff < 0) + diff = -diff; + if (diff < stream1->ctx->dc->config.vblank_alignment_max_frame_time_diff) + return true; + } + } + return false; +} + +bool resource_are_streams_timing_synchronizable( + struct dc_stream_state *stream1, + struct dc_stream_state *stream2) +{ + if (stream1->timing.h_total != stream2->timing.h_total) + return false; + + if (stream1->timing.v_total != stream2->timing.v_total) + return false; + + if (stream1->timing.h_addressable + != stream2->timing.h_addressable) + return false; + + if (stream1->timing.v_addressable + != stream2->timing.v_addressable) + return false; + + if (stream1->timing.v_front_porch + != stream2->timing.v_front_porch) + return false; + + if (stream1->timing.pix_clk_100hz + != stream2->timing.pix_clk_100hz) + return false; + + if (stream1->clamping.c_depth != stream2->clamping.c_depth) + return false; + + if (stream1->phy_pix_clk != stream2->phy_pix_clk + && (!dc_is_dp_signal(stream1->signal) + || !dc_is_dp_signal(stream2->signal))) + return false; + + if (stream1->view_format != stream2->view_format) + return false; + + if (stream1->ignore_msa_timing_param || stream2->ignore_msa_timing_param) + return false; + + return true; +} +static bool is_dp_and_hdmi_sharable( + struct dc_stream_state *stream1, + struct dc_stream_state *stream2) +{ + if (stream1->ctx->dc->caps.disable_dp_clk_share) + return false; + + if (stream1->clamping.c_depth != COLOR_DEPTH_888 || + stream2->clamping.c_depth != COLOR_DEPTH_888) + return false; + + return true; + +} + +static bool is_sharable_clk_src( + const struct pipe_ctx *pipe_with_clk_src, + const struct pipe_ctx *pipe) +{ + if (pipe_with_clk_src->clock_source == NULL) + return false; + + if (pipe_with_clk_src->stream->signal == SIGNAL_TYPE_VIRTUAL) + return false; + + if (dc_is_dp_signal(pipe_with_clk_src->stream->signal) || + (dc_is_dp_signal(pipe->stream->signal) && + !is_dp_and_hdmi_sharable(pipe_with_clk_src->stream, + pipe->stream))) + return false; + + if (dc_is_hdmi_signal(pipe_with_clk_src->stream->signal) + && dc_is_dual_link_signal(pipe->stream->signal)) + return false; + + if (dc_is_hdmi_signal(pipe->stream->signal) + && dc_is_dual_link_signal(pipe_with_clk_src->stream->signal)) + return false; + + if (!resource_are_streams_timing_synchronizable( + pipe_with_clk_src->stream, pipe->stream)) + return false; + + return true; +} + +struct clock_source *resource_find_used_clk_src_for_sharing( + struct resource_context *res_ctx, + struct pipe_ctx *pipe_ctx) +{ + int i; + + for (i = 0; i < MAX_PIPES; i++) { + if (is_sharable_clk_src(&res_ctx->pipe_ctx[i], pipe_ctx)) + return res_ctx->pipe_ctx[i].clock_source; + } + + return NULL; +} + +static enum pixel_format convert_pixel_format_to_dalsurface( + enum surface_pixel_format surface_pixel_format) +{ + enum pixel_format dal_pixel_format = PIXEL_FORMAT_UNKNOWN; + + switch (surface_pixel_format) { + case SURFACE_PIXEL_FORMAT_GRPH_PALETA_256_COLORS: + dal_pixel_format = PIXEL_FORMAT_INDEX8; + break; + case SURFACE_PIXEL_FORMAT_GRPH_ARGB1555: + dal_pixel_format = PIXEL_FORMAT_RGB565; + break; + case SURFACE_PIXEL_FORMAT_GRPH_RGB565: + dal_pixel_format = PIXEL_FORMAT_RGB565; + break; + case SURFACE_PIXEL_FORMAT_GRPH_ARGB8888: + dal_pixel_format = PIXEL_FORMAT_ARGB8888; + break; + case SURFACE_PIXEL_FORMAT_GRPH_ABGR8888: + dal_pixel_format = PIXEL_FORMAT_ARGB8888; + break; + case SURFACE_PIXEL_FORMAT_GRPH_ARGB2101010: + dal_pixel_format = PIXEL_FORMAT_ARGB2101010; + break; + case SURFACE_PIXEL_FORMAT_GRPH_ABGR2101010: + dal_pixel_format = PIXEL_FORMAT_ARGB2101010; + break; + case SURFACE_PIXEL_FORMAT_GRPH_ABGR2101010_XR_BIAS: + dal_pixel_format = PIXEL_FORMAT_ARGB2101010_XRBIAS; + break; + case SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616F: + case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616F: + dal_pixel_format = PIXEL_FORMAT_FP16; + break; + case SURFACE_PIXEL_FORMAT_VIDEO_420_YCbCr: + case SURFACE_PIXEL_FORMAT_VIDEO_420_YCrCb: + dal_pixel_format = PIXEL_FORMAT_420BPP8; + break; + case SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCbCr: + case SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCrCb: + dal_pixel_format = PIXEL_FORMAT_420BPP10; + break; + case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616: + case SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616: + default: + dal_pixel_format = PIXEL_FORMAT_UNKNOWN; + break; + } + return dal_pixel_format; +} + +static inline void get_vp_scan_direction( + enum dc_rotation_angle rotation, + bool horizontal_mirror, + bool *orthogonal_rotation, + bool *flip_vert_scan_dir, + bool *flip_horz_scan_dir) +{ + *orthogonal_rotation = false; + *flip_vert_scan_dir = false; + *flip_horz_scan_dir = false; + if (rotation == ROTATION_ANGLE_180) { + *flip_vert_scan_dir = true; + *flip_horz_scan_dir = true; + } else if (rotation == ROTATION_ANGLE_90) { + *orthogonal_rotation = true; + *flip_horz_scan_dir = true; + } else if (rotation == ROTATION_ANGLE_270) { + *orthogonal_rotation = true; + *flip_vert_scan_dir = true; + } + + if (horizontal_mirror) + *flip_horz_scan_dir = !*flip_horz_scan_dir; +} + +int get_num_mpc_splits(struct pipe_ctx *pipe) +{ + int mpc_split_count = 0; + struct pipe_ctx *other_pipe = pipe->bottom_pipe; + + while (other_pipe && other_pipe->plane_state == pipe->plane_state) { + mpc_split_count++; + other_pipe = other_pipe->bottom_pipe; + } + other_pipe = pipe->top_pipe; + while (other_pipe && other_pipe->plane_state == pipe->plane_state) { + mpc_split_count++; + other_pipe = other_pipe->top_pipe; + } + + return mpc_split_count; +} + +int get_num_odm_splits(struct pipe_ctx *pipe) +{ + int odm_split_count = 0; + struct pipe_ctx *next_pipe = pipe->next_odm_pipe; + while (next_pipe) { + odm_split_count++; + next_pipe = next_pipe->next_odm_pipe; + } + pipe = pipe->prev_odm_pipe; + while (pipe) { + odm_split_count++; + pipe = pipe->prev_odm_pipe; + } + return odm_split_count; +} + +static void calculate_split_count_and_index(struct pipe_ctx *pipe_ctx, int *split_count, int *split_idx) +{ + *split_count = get_num_odm_splits(pipe_ctx); + *split_idx = 0; + if (*split_count == 0) { + /*Check for mpc split*/ + struct pipe_ctx *split_pipe = pipe_ctx->top_pipe; + + *split_count = get_num_mpc_splits(pipe_ctx); + while (split_pipe && split_pipe->plane_state == pipe_ctx->plane_state) { + (*split_idx)++; + split_pipe = split_pipe->top_pipe; + } + + /* MPO window on right side of ODM split */ + if (split_pipe && split_pipe->prev_odm_pipe && !pipe_ctx->prev_odm_pipe) + (*split_idx)++; + } else { + /*Get odm split index*/ + struct pipe_ctx *split_pipe = pipe_ctx->prev_odm_pipe; + + while (split_pipe) { + (*split_idx)++; + split_pipe = split_pipe->prev_odm_pipe; + } + } +} + +/* + * This is a preliminary vp size calculation to allow us to check taps support. + * The result is completely overridden afterwards. + */ +static void calculate_viewport_size(struct pipe_ctx *pipe_ctx) +{ + struct scaler_data *data = &pipe_ctx->plane_res.scl_data; + + data->viewport.width = dc_fixpt_ceil(dc_fixpt_mul_int(data->ratios.horz, data->recout.width)); + data->viewport.height = dc_fixpt_ceil(dc_fixpt_mul_int(data->ratios.vert, data->recout.height)); + data->viewport_c.width = dc_fixpt_ceil(dc_fixpt_mul_int(data->ratios.horz_c, data->recout.width)); + data->viewport_c.height = dc_fixpt_ceil(dc_fixpt_mul_int(data->ratios.vert_c, data->recout.height)); + if (pipe_ctx->plane_state->rotation == ROTATION_ANGLE_90 || + pipe_ctx->plane_state->rotation == ROTATION_ANGLE_270) { + swap(data->viewport.width, data->viewport.height); + swap(data->viewport_c.width, data->viewport_c.height); + } +} + +static void calculate_recout(struct pipe_ctx *pipe_ctx) +{ + const struct dc_plane_state *plane_state = pipe_ctx->plane_state; + const struct dc_stream_state *stream = pipe_ctx->stream; + struct scaler_data *data = &pipe_ctx->plane_res.scl_data; + struct rect surf_clip = plane_state->clip_rect; + bool split_tb = stream->view_format == VIEW_3D_FORMAT_TOP_AND_BOTTOM; + int split_count, split_idx; + + calculate_split_count_and_index(pipe_ctx, &split_count, &split_idx); + if (stream->view_format == VIEW_3D_FORMAT_SIDE_BY_SIDE) + split_idx = 0; + + /* + * Only the leftmost ODM pipe should be offset by a nonzero distance + */ + if (pipe_ctx->top_pipe && pipe_ctx->top_pipe->prev_odm_pipe && !pipe_ctx->prev_odm_pipe) { + /* MPO window on right side of ODM split */ + data->recout.x = stream->dst.x + (surf_clip.x - stream->src.x - stream->src.width/2) * + stream->dst.width / stream->src.width; + } else if (!pipe_ctx->prev_odm_pipe || split_idx == split_count) { + data->recout.x = stream->dst.x; + if (stream->src.x < surf_clip.x) + data->recout.x += (surf_clip.x - stream->src.x) * stream->dst.width + / stream->src.width; + } else + data->recout.x = 0; + + if (stream->src.x > surf_clip.x) + surf_clip.width -= stream->src.x - surf_clip.x; + data->recout.width = surf_clip.width * stream->dst.width / stream->src.width; + if (data->recout.width + data->recout.x > stream->dst.x + stream->dst.width) + data->recout.width = stream->dst.x + stream->dst.width - data->recout.x; + + data->recout.y = stream->dst.y; + if (stream->src.y < surf_clip.y) + data->recout.y += (surf_clip.y - stream->src.y) * stream->dst.height + / stream->src.height; + else if (stream->src.y > surf_clip.y) + surf_clip.height -= stream->src.y - surf_clip.y; + + data->recout.height = surf_clip.height * stream->dst.height / stream->src.height; + if (data->recout.height + data->recout.y > stream->dst.y + stream->dst.height) + data->recout.height = stream->dst.y + stream->dst.height - data->recout.y; + + /* Handle h & v split */ + if (split_tb) { + ASSERT(data->recout.height % 2 == 0); + data->recout.height /= 2; + } else if (split_count) { + if (!pipe_ctx->next_odm_pipe && !pipe_ctx->prev_odm_pipe) { + /* extra pixels in the division remainder need to go to pipes after + * the extra pixel index minus one(epimo) defined here as: + */ + int epimo = split_count - data->recout.width % (split_count + 1); + + data->recout.x += (data->recout.width / (split_count + 1)) * split_idx; + if (split_idx > epimo) + data->recout.x += split_idx - epimo - 1; + ASSERT(stream->view_format != VIEW_3D_FORMAT_SIDE_BY_SIDE || data->recout.width % 2 == 0); + data->recout.width = data->recout.width / (split_count + 1) + (split_idx > epimo ? 1 : 0); + } else { + /* odm */ + if (split_idx == split_count) { + /* rightmost pipe is the remainder recout */ + data->recout.width -= data->h_active * split_count - data->recout.x; + + /* ODM combine cases with MPO we can get negative widths */ + if (data->recout.width < 0) + data->recout.width = 0; + + data->recout.x = 0; + } else + data->recout.width = data->h_active - data->recout.x; + } + } +} + +static void calculate_scaling_ratios(struct pipe_ctx *pipe_ctx) +{ + const struct dc_plane_state *plane_state = pipe_ctx->plane_state; + const struct dc_stream_state *stream = pipe_ctx->stream; + struct rect surf_src = plane_state->src_rect; + const int in_w = stream->src.width; + const int in_h = stream->src.height; + const int out_w = stream->dst.width; + const int out_h = stream->dst.height; + + /*Swap surf_src height and width since scaling ratios are in recout rotation*/ + if (pipe_ctx->plane_state->rotation == ROTATION_ANGLE_90 || + pipe_ctx->plane_state->rotation == ROTATION_ANGLE_270) + swap(surf_src.height, surf_src.width); + + pipe_ctx->plane_res.scl_data.ratios.horz = dc_fixpt_from_fraction( + surf_src.width, + plane_state->dst_rect.width); + pipe_ctx->plane_res.scl_data.ratios.vert = dc_fixpt_from_fraction( + surf_src.height, + plane_state->dst_rect.height); + + if (stream->view_format == VIEW_3D_FORMAT_SIDE_BY_SIDE) + pipe_ctx->plane_res.scl_data.ratios.horz.value *= 2; + else if (stream->view_format == VIEW_3D_FORMAT_TOP_AND_BOTTOM) + pipe_ctx->plane_res.scl_data.ratios.vert.value *= 2; + + pipe_ctx->plane_res.scl_data.ratios.vert.value = div64_s64( + pipe_ctx->plane_res.scl_data.ratios.vert.value * in_h, out_h); + pipe_ctx->plane_res.scl_data.ratios.horz.value = div64_s64( + pipe_ctx->plane_res.scl_data.ratios.horz.value * in_w, out_w); + + pipe_ctx->plane_res.scl_data.ratios.horz_c = pipe_ctx->plane_res.scl_data.ratios.horz; + pipe_ctx->plane_res.scl_data.ratios.vert_c = pipe_ctx->plane_res.scl_data.ratios.vert; + + if (pipe_ctx->plane_res.scl_data.format == PIXEL_FORMAT_420BPP8 + || pipe_ctx->plane_res.scl_data.format == PIXEL_FORMAT_420BPP10) { + pipe_ctx->plane_res.scl_data.ratios.horz_c.value /= 2; + pipe_ctx->plane_res.scl_data.ratios.vert_c.value /= 2; + } + pipe_ctx->plane_res.scl_data.ratios.horz = dc_fixpt_truncate( + pipe_ctx->plane_res.scl_data.ratios.horz, 19); + pipe_ctx->plane_res.scl_data.ratios.vert = dc_fixpt_truncate( + pipe_ctx->plane_res.scl_data.ratios.vert, 19); + pipe_ctx->plane_res.scl_data.ratios.horz_c = dc_fixpt_truncate( + pipe_ctx->plane_res.scl_data.ratios.horz_c, 19); + pipe_ctx->plane_res.scl_data.ratios.vert_c = dc_fixpt_truncate( + pipe_ctx->plane_res.scl_data.ratios.vert_c, 19); +} + + +/* + * We completely calculate vp offset, size and inits here based entirely on scaling + * ratios and recout for pixel perfect pipe combine. + */ +static void calculate_init_and_vp( + bool flip_scan_dir, + int recout_offset_within_recout_full, + int recout_size, + int src_size, + int taps, + struct fixed31_32 ratio, + struct fixed31_32 *init, + int *vp_offset, + int *vp_size) +{ + struct fixed31_32 temp; + int int_part; + + /* + * First of the taps starts sampling pixel number <init_int_part> corresponding to recout + * pixel 1. Next recout pixel samples int part of <init + scaling ratio> and so on. + * All following calculations are based on this logic. + * + * Init calculated according to formula: + * init = (scaling_ratio + number_of_taps + 1) / 2 + * init_bot = init + scaling_ratio + * to get pixel perfect combine add the fraction from calculating vp offset + */ + temp = dc_fixpt_mul_int(ratio, recout_offset_within_recout_full); + *vp_offset = dc_fixpt_floor(temp); + temp.value &= 0xffffffff; + *init = dc_fixpt_truncate(dc_fixpt_add(dc_fixpt_div_int( + dc_fixpt_add_int(ratio, taps + 1), 2), temp), 19); + /* + * If viewport has non 0 offset and there are more taps than covered by init then + * we should decrease the offset and increase init so we are never sampling + * outside of viewport. + */ + int_part = dc_fixpt_floor(*init); + if (int_part < taps) { + int_part = taps - int_part; + if (int_part > *vp_offset) + int_part = *vp_offset; + *vp_offset -= int_part; + *init = dc_fixpt_add_int(*init, int_part); + } + /* + * If taps are sampling outside of viewport at end of recout and there are more pixels + * available in the surface we should increase the viewport size, regardless set vp to + * only what is used. + */ + temp = dc_fixpt_add(*init, dc_fixpt_mul_int(ratio, recout_size - 1)); + *vp_size = dc_fixpt_floor(temp); + if (*vp_size + *vp_offset > src_size) + *vp_size = src_size - *vp_offset; + + /* We did all the math assuming we are scanning same direction as display does, + * however mirror/rotation changes how vp scans vs how it is offset. If scan direction + * is flipped we simply need to calculate offset from the other side of plane. + * Note that outside of viewport all scaling hardware works in recout space. + */ + if (flip_scan_dir) + *vp_offset = src_size - *vp_offset - *vp_size; +} + +static void calculate_inits_and_viewports(struct pipe_ctx *pipe_ctx) +{ + const struct dc_plane_state *plane_state = pipe_ctx->plane_state; + const struct dc_stream_state *stream = pipe_ctx->stream; + struct scaler_data *data = &pipe_ctx->plane_res.scl_data; + struct rect src = plane_state->src_rect; + int vpc_div = (data->format == PIXEL_FORMAT_420BPP8 + || data->format == PIXEL_FORMAT_420BPP10) ? 2 : 1; + int split_count, split_idx, ro_lb, ro_tb, recout_full_x, recout_full_y; + bool orthogonal_rotation, flip_vert_scan_dir, flip_horz_scan_dir; + + calculate_split_count_and_index(pipe_ctx, &split_count, &split_idx); + /* + * recout full is what the recout would have been if we didnt clip + * the source plane at all. We only care about left(ro_lb) and top(ro_tb) + * offsets of recout within recout full because those are the directions + * we scan from and therefore the only ones that affect inits. + */ + recout_full_x = stream->dst.x + (plane_state->dst_rect.x - stream->src.x) + * stream->dst.width / stream->src.width; + recout_full_y = stream->dst.y + (plane_state->dst_rect.y - stream->src.y) + * stream->dst.height / stream->src.height; + if (pipe_ctx->prev_odm_pipe && split_idx) + ro_lb = data->h_active * split_idx - recout_full_x; + else if (pipe_ctx->top_pipe && pipe_ctx->top_pipe->prev_odm_pipe) + ro_lb = data->h_active * split_idx - recout_full_x + data->recout.x; + else + ro_lb = data->recout.x - recout_full_x; + ro_tb = data->recout.y - recout_full_y; + ASSERT(ro_lb >= 0 && ro_tb >= 0); + + /* + * Work in recout rotation since that requires less transformations + */ + get_vp_scan_direction( + plane_state->rotation, + plane_state->horizontal_mirror, + &orthogonal_rotation, + &flip_vert_scan_dir, + &flip_horz_scan_dir); + + if (orthogonal_rotation) { + swap(src.width, src.height); + swap(flip_vert_scan_dir, flip_horz_scan_dir); + } + + calculate_init_and_vp( + flip_horz_scan_dir, + ro_lb, + data->recout.width, + src.width, + data->taps.h_taps, + data->ratios.horz, + &data->inits.h, + &data->viewport.x, + &data->viewport.width); + calculate_init_and_vp( + flip_horz_scan_dir, + ro_lb, + data->recout.width, + src.width / vpc_div, + data->taps.h_taps_c, + data->ratios.horz_c, + &data->inits.h_c, + &data->viewport_c.x, + &data->viewport_c.width); + calculate_init_and_vp( + flip_vert_scan_dir, + ro_tb, + data->recout.height, + src.height, + data->taps.v_taps, + data->ratios.vert, + &data->inits.v, + &data->viewport.y, + &data->viewport.height); + calculate_init_and_vp( + flip_vert_scan_dir, + ro_tb, + data->recout.height, + src.height / vpc_div, + data->taps.v_taps_c, + data->ratios.vert_c, + &data->inits.v_c, + &data->viewport_c.y, + &data->viewport_c.height); + if (orthogonal_rotation) { + swap(data->viewport.x, data->viewport.y); + swap(data->viewport.width, data->viewport.height); + swap(data->viewport_c.x, data->viewport_c.y); + swap(data->viewport_c.width, data->viewport_c.height); + } + data->viewport.x += src.x; + data->viewport.y += src.y; + ASSERT(src.x % vpc_div == 0 && src.y % vpc_div == 0); + data->viewport_c.x += src.x / vpc_div; + data->viewport_c.y += src.y / vpc_div; +} + +bool resource_build_scaling_params(struct pipe_ctx *pipe_ctx) +{ + const struct dc_plane_state *plane_state = pipe_ctx->plane_state; + struct dc_crtc_timing *timing = &pipe_ctx->stream->timing; + bool res = false; + DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger); + + /* Invalid input */ + if (!plane_state->dst_rect.width || + !plane_state->dst_rect.height || + !plane_state->src_rect.width || + !plane_state->src_rect.height) { + ASSERT(0); + return false; + } + + pipe_ctx->plane_res.scl_data.format = convert_pixel_format_to_dalsurface( + pipe_ctx->plane_state->format); + + /* Timing borders are part of vactive that we are also supposed to skip in addition + * to any stream dst offset. Since dm logic assumes dst is in addressable + * space we need to add the left and top borders to dst offsets temporarily. + * TODO: fix in DM, stream dst is supposed to be in vactive + */ + pipe_ctx->stream->dst.x += timing->h_border_left; + pipe_ctx->stream->dst.y += timing->v_border_top; + + /* Calculate H and V active size */ + pipe_ctx->plane_res.scl_data.h_active = timing->h_addressable + + timing->h_border_left + timing->h_border_right; + pipe_ctx->plane_res.scl_data.v_active = timing->v_addressable + + timing->v_border_top + timing->v_border_bottom; + if (pipe_ctx->next_odm_pipe || pipe_ctx->prev_odm_pipe) { + pipe_ctx->plane_res.scl_data.h_active /= get_num_odm_splits(pipe_ctx) + 1; + + DC_LOG_SCALER("%s pipe %d: next_odm_pipe:%d prev_odm_pipe:%d\n", + __func__, + pipe_ctx->pipe_idx, + pipe_ctx->next_odm_pipe ? pipe_ctx->next_odm_pipe->pipe_idx : -1, + pipe_ctx->prev_odm_pipe ? pipe_ctx->prev_odm_pipe->pipe_idx : -1); + } /* ODM + windows MPO, where window is on either right or left ODM half */ + else if (pipe_ctx->top_pipe && (pipe_ctx->top_pipe->next_odm_pipe || pipe_ctx->top_pipe->prev_odm_pipe)) { + + pipe_ctx->plane_res.scl_data.h_active /= get_num_odm_splits(pipe_ctx->top_pipe) + 1; + + DC_LOG_SCALER("%s ODM + windows MPO: pipe:%d top_pipe:%d top_pipe->next_odm_pipe:%d top_pipe->prev_odm_pipe:%d\n", + __func__, + pipe_ctx->pipe_idx, + pipe_ctx->top_pipe->pipe_idx, + pipe_ctx->top_pipe->next_odm_pipe ? pipe_ctx->top_pipe->next_odm_pipe->pipe_idx : -1, + pipe_ctx->top_pipe->prev_odm_pipe ? pipe_ctx->top_pipe->prev_odm_pipe->pipe_idx : -1); + } + /* depends on h_active */ + calculate_recout(pipe_ctx); + /* depends on pixel format */ + calculate_scaling_ratios(pipe_ctx); + /* depends on scaling ratios and recout, does not calculate offset yet */ + calculate_viewport_size(pipe_ctx); + + if (!pipe_ctx->stream->ctx->dc->config.enable_windowed_mpo_odm) { + /* Stopgap for validation of ODM + MPO on one side of screen case */ + if (pipe_ctx->plane_res.scl_data.viewport.height < 1 || + pipe_ctx->plane_res.scl_data.viewport.width < 1) + return false; + } + + /* + * LB calculations depend on vp size, h/v_active and scaling ratios + * Setting line buffer pixel depth to 24bpp yields banding + * on certain displays, such as the Sharp 4k. 36bpp is needed + * to support SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616 and + * SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616 with actual > 10 bpc + * precision on DCN display engines, but apparently not for DCE, as + * far as testing on DCE-11.2 and DCE-8 showed. Various DCE parts have + * problems: Carrizo with DCE_VERSION_11_0 does not like 36 bpp lb depth, + * neither do DCE-8 at 4k resolution, or DCE-11.2 (broken identify pixel + * passthrough). Therefore only use 36 bpp on DCN where it is actually needed. + */ + if (plane_state->ctx->dce_version > DCE_VERSION_MAX) + pipe_ctx->plane_res.scl_data.lb_params.depth = LB_PIXEL_DEPTH_36BPP; + else + pipe_ctx->plane_res.scl_data.lb_params.depth = LB_PIXEL_DEPTH_30BPP; + + pipe_ctx->plane_res.scl_data.lb_params.alpha_en = plane_state->per_pixel_alpha; + + if (pipe_ctx->plane_res.xfm != NULL) + res = pipe_ctx->plane_res.xfm->funcs->transform_get_optimal_number_of_taps( + pipe_ctx->plane_res.xfm, &pipe_ctx->plane_res.scl_data, &plane_state->scaling_quality); + + if (pipe_ctx->plane_res.dpp != NULL) + res = pipe_ctx->plane_res.dpp->funcs->dpp_get_optimal_number_of_taps( + pipe_ctx->plane_res.dpp, &pipe_ctx->plane_res.scl_data, &plane_state->scaling_quality); + + + if (!res) { + /* Try 24 bpp linebuffer */ + pipe_ctx->plane_res.scl_data.lb_params.depth = LB_PIXEL_DEPTH_24BPP; + + if (pipe_ctx->plane_res.xfm != NULL) + res = pipe_ctx->plane_res.xfm->funcs->transform_get_optimal_number_of_taps( + pipe_ctx->plane_res.xfm, + &pipe_ctx->plane_res.scl_data, + &plane_state->scaling_quality); + + if (pipe_ctx->plane_res.dpp != NULL) + res = pipe_ctx->plane_res.dpp->funcs->dpp_get_optimal_number_of_taps( + pipe_ctx->plane_res.dpp, + &pipe_ctx->plane_res.scl_data, + &plane_state->scaling_quality); + } + + /* + * Depends on recout, scaling ratios, h_active and taps + * May need to re-check lb size after this in some obscure scenario + */ + if (res) + calculate_inits_and_viewports(pipe_ctx); + + /* + * Handle side by side and top bottom 3d recout offsets after vp calculation + * since 3d is special and needs to calculate vp as if there is no recout offset + * This may break with rotation, good thing we aren't mixing hw rotation and 3d + */ + if (pipe_ctx->top_pipe && pipe_ctx->top_pipe->plane_state == plane_state) { + ASSERT(plane_state->rotation == ROTATION_ANGLE_0 || + (pipe_ctx->stream->view_format != VIEW_3D_FORMAT_TOP_AND_BOTTOM && + pipe_ctx->stream->view_format != VIEW_3D_FORMAT_SIDE_BY_SIDE)); + if (pipe_ctx->stream->view_format == VIEW_3D_FORMAT_TOP_AND_BOTTOM) + pipe_ctx->plane_res.scl_data.recout.y += pipe_ctx->plane_res.scl_data.recout.height; + else if (pipe_ctx->stream->view_format == VIEW_3D_FORMAT_SIDE_BY_SIDE) + pipe_ctx->plane_res.scl_data.recout.x += pipe_ctx->plane_res.scl_data.recout.width; + } + + if (!pipe_ctx->stream->ctx->dc->config.enable_windowed_mpo_odm) { + if (pipe_ctx->plane_res.scl_data.viewport.height < MIN_VIEWPORT_SIZE || + pipe_ctx->plane_res.scl_data.viewport.width < MIN_VIEWPORT_SIZE) + res = false; + } else { + /* Clamp minimum viewport size */ + if (pipe_ctx->plane_res.scl_data.viewport.height < MIN_VIEWPORT_SIZE) + pipe_ctx->plane_res.scl_data.viewport.height = MIN_VIEWPORT_SIZE; + if (pipe_ctx->plane_res.scl_data.viewport.width < MIN_VIEWPORT_SIZE) + pipe_ctx->plane_res.scl_data.viewport.width = MIN_VIEWPORT_SIZE; + } + + DC_LOG_SCALER("%s pipe %d:\nViewport: height:%d width:%d x:%d y:%d Recout: height:%d width:%d x:%d y:%d HACTIVE:%d VACTIVE:%d\n" + "src_rect: height:%d width:%d x:%d y:%d dst_rect: height:%d width:%d x:%d y:%d clip_rect: height:%d width:%d x:%d y:%d\n", + __func__, + pipe_ctx->pipe_idx, + pipe_ctx->plane_res.scl_data.viewport.height, + pipe_ctx->plane_res.scl_data.viewport.width, + pipe_ctx->plane_res.scl_data.viewport.x, + pipe_ctx->plane_res.scl_data.viewport.y, + pipe_ctx->plane_res.scl_data.recout.height, + pipe_ctx->plane_res.scl_data.recout.width, + pipe_ctx->plane_res.scl_data.recout.x, + pipe_ctx->plane_res.scl_data.recout.y, + pipe_ctx->plane_res.scl_data.h_active, + pipe_ctx->plane_res.scl_data.v_active, + plane_state->src_rect.height, + plane_state->src_rect.width, + plane_state->src_rect.x, + plane_state->src_rect.y, + plane_state->dst_rect.height, + plane_state->dst_rect.width, + plane_state->dst_rect.x, + plane_state->dst_rect.y, + plane_state->clip_rect.height, + plane_state->clip_rect.width, + plane_state->clip_rect.x, + plane_state->clip_rect.y); + + pipe_ctx->stream->dst.x -= timing->h_border_left; + pipe_ctx->stream->dst.y -= timing->v_border_top; + + return res; +} + + +enum dc_status resource_build_scaling_params_for_context( + const struct dc *dc, + struct dc_state *context) +{ + int i; + + for (i = 0; i < MAX_PIPES; i++) { + if (context->res_ctx.pipe_ctx[i].plane_state != NULL && + context->res_ctx.pipe_ctx[i].stream != NULL) + if (!resource_build_scaling_params(&context->res_ctx.pipe_ctx[i])) + return DC_FAIL_SCALING; + } + + return DC_OK; +} + +struct pipe_ctx *find_idle_secondary_pipe( + struct resource_context *res_ctx, + const struct resource_pool *pool, + const struct pipe_ctx *primary_pipe) +{ + int i; + struct pipe_ctx *secondary_pipe = NULL; + + /* + * We add a preferred pipe mapping to avoid the chance that + * MPCCs already in use will need to be reassigned to other trees. + * For example, if we went with the strict, assign backwards logic: + * + * (State 1) + * Display A on, no surface, top pipe = 0 + * Display B on, no surface, top pipe = 1 + * + * (State 2) + * Display A on, no surface, top pipe = 0 + * Display B on, surface enable, top pipe = 1, bottom pipe = 5 + * + * (State 3) + * Display A on, surface enable, top pipe = 0, bottom pipe = 5 + * Display B on, surface enable, top pipe = 1, bottom pipe = 4 + * + * The state 2->3 transition requires remapping MPCC 5 from display B + * to display A. + * + * However, with the preferred pipe logic, state 2 would look like: + * + * (State 2) + * Display A on, no surface, top pipe = 0 + * Display B on, surface enable, top pipe = 1, bottom pipe = 4 + * + * This would then cause 2->3 to not require remapping any MPCCs. + */ + if (primary_pipe) { + int preferred_pipe_idx = (pool->pipe_count - 1) - primary_pipe->pipe_idx; + if (res_ctx->pipe_ctx[preferred_pipe_idx].stream == NULL) { + secondary_pipe = &res_ctx->pipe_ctx[preferred_pipe_idx]; + secondary_pipe->pipe_idx = preferred_pipe_idx; + } + } + + /* + * search backwards for the second pipe to keep pipe + * assignment more consistent + */ + if (!secondary_pipe) + for (i = pool->pipe_count - 1; i >= 0; i--) { + if (res_ctx->pipe_ctx[i].stream == NULL) { + secondary_pipe = &res_ctx->pipe_ctx[i]; + secondary_pipe->pipe_idx = i; + break; + } + } + + return secondary_pipe; +} + +struct pipe_ctx *resource_get_head_pipe_for_stream( + struct resource_context *res_ctx, + struct dc_stream_state *stream) +{ + int i; + + for (i = 0; i < MAX_PIPES; i++) { + if (res_ctx->pipe_ctx[i].stream == stream + && !res_ctx->pipe_ctx[i].top_pipe + && !res_ctx->pipe_ctx[i].prev_odm_pipe) + return &res_ctx->pipe_ctx[i]; + } + return NULL; +} + +static struct pipe_ctx *resource_get_tail_pipe( + struct resource_context *res_ctx, + struct pipe_ctx *head_pipe) +{ + struct pipe_ctx *tail_pipe; + + tail_pipe = head_pipe->bottom_pipe; + + while (tail_pipe) { + head_pipe = tail_pipe; + tail_pipe = tail_pipe->bottom_pipe; + } + + return head_pipe; +} + +/* + * A free_pipe for a stream is defined here as a pipe + * that has no surface attached yet + */ +static struct pipe_ctx *acquire_free_pipe_for_head( + struct dc_state *context, + const struct resource_pool *pool, + struct pipe_ctx *head_pipe) +{ + int i; + struct resource_context *res_ctx = &context->res_ctx; + + if (!head_pipe->plane_state) + return head_pipe; + + /* Re-use pipe already acquired for this stream if available*/ + for (i = pool->pipe_count - 1; i >= 0; i--) { + if (res_ctx->pipe_ctx[i].stream == head_pipe->stream && + !res_ctx->pipe_ctx[i].plane_state) { + return &res_ctx->pipe_ctx[i]; + } + } + + /* + * At this point we have no re-useable pipe for this stream and we need + * to acquire an idle one to satisfy the request + */ + + if (!pool->funcs->acquire_idle_pipe_for_layer) { + if (!pool->funcs->acquire_idle_pipe_for_head_pipe_in_layer) + return NULL; + else + return pool->funcs->acquire_idle_pipe_for_head_pipe_in_layer(context, pool, head_pipe->stream, head_pipe); + } + + return pool->funcs->acquire_idle_pipe_for_layer(context, pool, head_pipe->stream); +} + +static int acquire_first_split_pipe( + struct resource_context *res_ctx, + const struct resource_pool *pool, + struct dc_stream_state *stream) +{ + int i; + + for (i = 0; i < pool->pipe_count; i++) { + struct pipe_ctx *split_pipe = &res_ctx->pipe_ctx[i]; + + if (split_pipe->top_pipe && + split_pipe->top_pipe->plane_state == split_pipe->plane_state) { + split_pipe->top_pipe->bottom_pipe = split_pipe->bottom_pipe; + if (split_pipe->bottom_pipe) + split_pipe->bottom_pipe->top_pipe = split_pipe->top_pipe; + + if (split_pipe->top_pipe->plane_state) + resource_build_scaling_params(split_pipe->top_pipe); + + memset(split_pipe, 0, sizeof(*split_pipe)); + split_pipe->stream_res.tg = pool->timing_generators[i]; + split_pipe->plane_res.hubp = pool->hubps[i]; + split_pipe->plane_res.ipp = pool->ipps[i]; + split_pipe->plane_res.dpp = pool->dpps[i]; + split_pipe->stream_res.opp = pool->opps[i]; + split_pipe->plane_res.mpcc_inst = pool->dpps[i]->inst; + split_pipe->pipe_idx = i; + + split_pipe->stream = stream; + return i; + } else if (split_pipe->prev_odm_pipe && + split_pipe->prev_odm_pipe->plane_state == split_pipe->plane_state) { + split_pipe->prev_odm_pipe->next_odm_pipe = split_pipe->next_odm_pipe; + if (split_pipe->next_odm_pipe) + split_pipe->next_odm_pipe->prev_odm_pipe = split_pipe->prev_odm_pipe; + + if (split_pipe->prev_odm_pipe->plane_state) + resource_build_scaling_params(split_pipe->prev_odm_pipe); + + memset(split_pipe, 0, sizeof(*split_pipe)); + split_pipe->stream_res.tg = pool->timing_generators[i]; + split_pipe->plane_res.hubp = pool->hubps[i]; + split_pipe->plane_res.ipp = pool->ipps[i]; + split_pipe->plane_res.dpp = pool->dpps[i]; + split_pipe->stream_res.opp = pool->opps[i]; + split_pipe->plane_res.mpcc_inst = pool->dpps[i]->inst; + split_pipe->pipe_idx = i; + + split_pipe->stream = stream; + return i; + } + } + return -1; +} + +bool dc_add_plane_to_context( + const struct dc *dc, + struct dc_stream_state *stream, + struct dc_plane_state *plane_state, + struct dc_state *context) +{ + int i; + struct resource_pool *pool = dc->res_pool; + struct pipe_ctx *head_pipe, *tail_pipe, *free_pipe; + struct dc_stream_status *stream_status = NULL; + struct pipe_ctx *prev_right_head = NULL; + struct pipe_ctx *free_right_pipe = NULL; + struct pipe_ctx *prev_left_head = NULL; + + DC_LOGGER_INIT(stream->ctx->logger); + for (i = 0; i < context->stream_count; i++) + if (context->streams[i] == stream) { + stream_status = &context->stream_status[i]; + break; + } + if (stream_status == NULL) { + dm_error("Existing stream not found; failed to attach surface!\n"); + return false; + } + + + if (stream_status->plane_count == MAX_SURFACE_NUM) { + dm_error("Surface: can not attach plane_state %p! Maximum is: %d\n", + plane_state, MAX_SURFACE_NUM); + return false; + } + + head_pipe = resource_get_head_pipe_for_stream(&context->res_ctx, stream); + + if (!head_pipe) { + dm_error("Head pipe not found for stream_state %p !\n", stream); + return false; + } + + /* retain new surface, but only once per stream */ + dc_plane_state_retain(plane_state); + + while (head_pipe) { + free_pipe = acquire_free_pipe_for_head(context, pool, head_pipe); + + if (!free_pipe) { + int pipe_idx = acquire_first_split_pipe(&context->res_ctx, pool, stream); + if (pipe_idx >= 0) + free_pipe = &context->res_ctx.pipe_ctx[pipe_idx]; + } + + if (!free_pipe) { + dc_plane_state_release(plane_state); + return false; + } + + free_pipe->plane_state = plane_state; + + if (head_pipe != free_pipe) { + tail_pipe = resource_get_tail_pipe(&context->res_ctx, head_pipe); + ASSERT(tail_pipe); + + /* ODM + window MPO, where MPO window is on right half only */ + if (free_pipe->plane_state && + (free_pipe->plane_state->clip_rect.x >= free_pipe->stream->src.x + free_pipe->stream->src.width/2) && + tail_pipe->next_odm_pipe) { + + /* For ODM + window MPO, in 3 plane case, if we already have a MPO window on + * the right side, then we will invalidate a 2nd one on the right side + */ + if (head_pipe->next_odm_pipe && tail_pipe->next_odm_pipe->bottom_pipe) { + dc_plane_state_release(plane_state); + return false; + } + + DC_LOG_SCALER("%s - ODM + window MPO(right). free_pipe:%d tail_pipe->next_odm_pipe:%d\n", + __func__, + free_pipe->pipe_idx, + tail_pipe->next_odm_pipe ? tail_pipe->next_odm_pipe->pipe_idx : -1); + + /* + * We want to avoid the case where the right side already has a pipe assigned to + * it and is different from free_pipe ( which would cause trigger a pipe + * reallocation ). + * Check the old context to see if the right side already has a pipe allocated + * - If not, continue to use free_pipe + * - If the right side already has a pipe, use that pipe instead if its available + */ + + /* + * We also want to avoid the case where with three plane ( 2 MPO videos ), we have + * both videos on the left side so one of the videos is invalidated. Then we + * move the invalidated video back to the right side. If the order of the plane + * states is such that the right MPO plane is processed first, the free pipe + * selected by the head will be the left MPO pipe. But since there was no right + * MPO pipe, it will assign the free pipe to the right MPO pipe instead and + * a pipe reallocation will occur. + * Check the old context to see if the left side already has a pipe allocated + * - If not, continue to use free_pipe + * - If the left side is already using this pipe, then pick another pipe for right + */ + + prev_right_head = &dc->current_state->res_ctx.pipe_ctx[tail_pipe->next_odm_pipe->pipe_idx]; + if ((prev_right_head->bottom_pipe) && + (free_pipe->pipe_idx != prev_right_head->bottom_pipe->pipe_idx)) { + free_right_pipe = acquire_free_pipe_for_head(context, pool, tail_pipe->next_odm_pipe); + } else { + prev_left_head = &dc->current_state->res_ctx.pipe_ctx[head_pipe->pipe_idx]; + if ((prev_left_head->bottom_pipe) && + (free_pipe->pipe_idx == prev_left_head->bottom_pipe->pipe_idx)) { + free_right_pipe = acquire_free_pipe_for_head(context, pool, head_pipe); + } + } + + if (free_right_pipe) { + free_pipe->stream = NULL; + memset(&free_pipe->stream_res, 0, sizeof(struct stream_resource)); + memset(&free_pipe->plane_res, 0, sizeof(struct plane_resource)); + free_pipe->plane_state = NULL; + free_pipe->pipe_idx = 0; + free_right_pipe->plane_state = plane_state; + free_pipe = free_right_pipe; + } + + free_pipe->stream_res.tg = tail_pipe->next_odm_pipe->stream_res.tg; + free_pipe->stream_res.abm = tail_pipe->next_odm_pipe->stream_res.abm; + free_pipe->stream_res.opp = tail_pipe->next_odm_pipe->stream_res.opp; + free_pipe->stream_res.stream_enc = tail_pipe->next_odm_pipe->stream_res.stream_enc; + free_pipe->stream_res.audio = tail_pipe->next_odm_pipe->stream_res.audio; + free_pipe->clock_source = tail_pipe->next_odm_pipe->clock_source; + + free_pipe->top_pipe = tail_pipe->next_odm_pipe; + tail_pipe->next_odm_pipe->bottom_pipe = free_pipe; + } else if (free_pipe->plane_state && + (free_pipe->plane_state->clip_rect.x >= free_pipe->stream->src.x + free_pipe->stream->src.width/2) + && head_pipe->next_odm_pipe) { + + /* For ODM + window MPO, support 3 plane ( 2 MPO ) case. + * Here we have a desktop ODM + left window MPO and a new MPO window appears + * on the right side only. It fails the first case, because tail_pipe is the + * left window MPO, so it has no next_odm_pipe. So in this scenario, we check + * for head_pipe->next_odm_pipe instead + */ + DC_LOG_SCALER("%s - ODM + win MPO (left) + win MPO (right). free_pipe:%d head_pipe->next_odm:%d\n", + __func__, + free_pipe->pipe_idx, + head_pipe->next_odm_pipe ? head_pipe->next_odm_pipe->pipe_idx : -1); + + /* + * We want to avoid the case where the right side already has a pipe assigned to + * it and is different from free_pipe ( which would cause trigger a pipe + * reallocation ). + * Check the old context to see if the right side already has a pipe allocated + * - If not, continue to use free_pipe + * - If the right side already has a pipe, use that pipe instead if its available + */ + prev_right_head = &dc->current_state->res_ctx.pipe_ctx[head_pipe->next_odm_pipe->pipe_idx]; + if ((prev_right_head->bottom_pipe) && + (free_pipe->pipe_idx != prev_right_head->bottom_pipe->pipe_idx)) { + free_right_pipe = acquire_free_pipe_for_head(context, pool, head_pipe->next_odm_pipe); + if (free_right_pipe) { + free_pipe->stream = NULL; + memset(&free_pipe->stream_res, 0, sizeof(struct stream_resource)); + memset(&free_pipe->plane_res, 0, sizeof(struct plane_resource)); + free_pipe->plane_state = NULL; + free_pipe->pipe_idx = 0; + free_right_pipe->plane_state = plane_state; + free_pipe = free_right_pipe; + } + } + + free_pipe->stream_res.tg = head_pipe->next_odm_pipe->stream_res.tg; + free_pipe->stream_res.abm = head_pipe->next_odm_pipe->stream_res.abm; + free_pipe->stream_res.opp = head_pipe->next_odm_pipe->stream_res.opp; + free_pipe->stream_res.stream_enc = head_pipe->next_odm_pipe->stream_res.stream_enc; + free_pipe->stream_res.audio = head_pipe->next_odm_pipe->stream_res.audio; + free_pipe->clock_source = head_pipe->next_odm_pipe->clock_source; + + free_pipe->top_pipe = head_pipe->next_odm_pipe; + head_pipe->next_odm_pipe->bottom_pipe = free_pipe; + } else { + + /* For ODM + window MPO, in 3 plane case, if we already have a MPO window on + * the left side, then we will invalidate a 2nd one on the left side + */ + if (head_pipe->next_odm_pipe && tail_pipe->top_pipe) { + dc_plane_state_release(plane_state); + return false; + } + + free_pipe->stream_res.tg = tail_pipe->stream_res.tg; + free_pipe->stream_res.abm = tail_pipe->stream_res.abm; + free_pipe->stream_res.opp = tail_pipe->stream_res.opp; + free_pipe->stream_res.stream_enc = tail_pipe->stream_res.stream_enc; + free_pipe->stream_res.audio = tail_pipe->stream_res.audio; + free_pipe->clock_source = tail_pipe->clock_source; + + free_pipe->top_pipe = tail_pipe; + tail_pipe->bottom_pipe = free_pipe; + + /* Connect MPO pipes together if MPO window is in the centre */ + if (!(free_pipe->plane_state && + (free_pipe->plane_state->clip_rect.x + free_pipe->plane_state->clip_rect.width <= + free_pipe->stream->src.x + free_pipe->stream->src.width/2))) { + if (!free_pipe->next_odm_pipe && + tail_pipe->next_odm_pipe && tail_pipe->next_odm_pipe->bottom_pipe) { + free_pipe->next_odm_pipe = tail_pipe->next_odm_pipe->bottom_pipe; + tail_pipe->next_odm_pipe->bottom_pipe->prev_odm_pipe = free_pipe; + } + if (!free_pipe->prev_odm_pipe && + tail_pipe->prev_odm_pipe && tail_pipe->prev_odm_pipe->bottom_pipe) { + free_pipe->prev_odm_pipe = tail_pipe->prev_odm_pipe->bottom_pipe; + tail_pipe->prev_odm_pipe->bottom_pipe->next_odm_pipe = free_pipe; + } + } + } + } + + /* ODM + window MPO, where MPO window is on left half only */ + if (free_pipe->plane_state && + (free_pipe->plane_state->clip_rect.x + free_pipe->plane_state->clip_rect.width <= + free_pipe->stream->src.x + free_pipe->stream->src.width/2)) { + DC_LOG_SCALER("%s - ODM + window MPO(left). free_pipe:%d\n", + __func__, + free_pipe->pipe_idx); + break; + } + /* ODM + window MPO, where MPO window is on right half only */ + if (free_pipe->plane_state && + (free_pipe->plane_state->clip_rect.x >= free_pipe->stream->src.x + free_pipe->stream->src.width/2)) { + DC_LOG_SCALER("%s - ODM + window MPO(right). free_pipe:%d\n", + __func__, + free_pipe->pipe_idx); + break; + } + + head_pipe = head_pipe->next_odm_pipe; + } + /* assign new surfaces*/ + stream_status->plane_states[stream_status->plane_count] = plane_state; + + stream_status->plane_count++; + + return true; +} + +bool dc_remove_plane_from_context( + const struct dc *dc, + struct dc_stream_state *stream, + struct dc_plane_state *plane_state, + struct dc_state *context) +{ + int i; + struct dc_stream_status *stream_status = NULL; + struct resource_pool *pool = dc->res_pool; + + if (!plane_state) + return true; + + for (i = 0; i < context->stream_count; i++) + if (context->streams[i] == stream) { + stream_status = &context->stream_status[i]; + break; + } + + if (stream_status == NULL) { + dm_error("Existing stream not found; failed to remove plane.\n"); + return false; + } + + /* release pipe for plane*/ + for (i = pool->pipe_count - 1; i >= 0; i--) { + struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i]; + + if (pipe_ctx->plane_state == plane_state) { + if (pipe_ctx->top_pipe) + pipe_ctx->top_pipe->bottom_pipe = pipe_ctx->bottom_pipe; + + /* Second condition is to avoid setting NULL to top pipe + * of tail pipe making it look like head pipe in subsequent + * deletes + */ + if (pipe_ctx->bottom_pipe && pipe_ctx->top_pipe) + pipe_ctx->bottom_pipe->top_pipe = pipe_ctx->top_pipe; + + /* + * For head pipe detach surfaces from pipe for tail + * pipe just zero it out + */ + if (!pipe_ctx->top_pipe) + pipe_ctx->plane_state = NULL; + else + memset(pipe_ctx, 0, sizeof(*pipe_ctx)); + } + } + + + for (i = 0; i < stream_status->plane_count; i++) { + if (stream_status->plane_states[i] == plane_state) { + dc_plane_state_release(stream_status->plane_states[i]); + break; + } + } + + if (i == stream_status->plane_count) { + dm_error("Existing plane_state not found; failed to detach it!\n"); + return false; + } + + stream_status->plane_count--; + + /* Start at the plane we've just released, and move all the planes one index forward to "trim" the array */ + for (; i < stream_status->plane_count; i++) + stream_status->plane_states[i] = stream_status->plane_states[i + 1]; + + stream_status->plane_states[stream_status->plane_count] = NULL; + + return true; +} + +bool dc_rem_all_planes_for_stream( + const struct dc *dc, + struct dc_stream_state *stream, + struct dc_state *context) +{ + int i, old_plane_count; + struct dc_stream_status *stream_status = NULL; + struct dc_plane_state *del_planes[MAX_SURFACE_NUM] = { 0 }; + + for (i = 0; i < context->stream_count; i++) + if (context->streams[i] == stream) { + stream_status = &context->stream_status[i]; + break; + } + + if (stream_status == NULL) { + dm_error("Existing stream %p not found!\n", stream); + return false; + } + + old_plane_count = stream_status->plane_count; + + for (i = 0; i < old_plane_count; i++) + del_planes[i] = stream_status->plane_states[i]; + + for (i = 0; i < old_plane_count; i++) + if (!dc_remove_plane_from_context(dc, stream, del_planes[i], context)) + return false; + + return true; +} + +static bool add_all_planes_for_stream( + const struct dc *dc, + struct dc_stream_state *stream, + const struct dc_validation_set set[], + int set_count, + struct dc_state *context) +{ + int i, j; + + for (i = 0; i < set_count; i++) + if (set[i].stream == stream) + break; + + if (i == set_count) { + dm_error("Stream %p not found in set!\n", stream); + return false; + } + + for (j = 0; j < set[i].plane_count; j++) + if (!dc_add_plane_to_context(dc, stream, set[i].plane_states[j], context)) + return false; + + return true; +} + +bool dc_add_all_planes_for_stream( + const struct dc *dc, + struct dc_stream_state *stream, + struct dc_plane_state * const *plane_states, + int plane_count, + struct dc_state *context) +{ + struct dc_validation_set set; + int i; + + set.stream = stream; + set.plane_count = plane_count; + + for (i = 0; i < plane_count; i++) + set.plane_states[i] = plane_states[i]; + + return add_all_planes_for_stream(dc, stream, &set, 1, context); +} + +bool is_timing_changed(struct dc_stream_state *cur_stream, + struct dc_stream_state *new_stream) +{ + if (cur_stream == NULL) + return true; + + /* If output color space is changed, need to reprogram info frames */ + if (cur_stream->output_color_space != new_stream->output_color_space) + return true; + + return memcmp( + &cur_stream->timing, + &new_stream->timing, + sizeof(struct dc_crtc_timing)) != 0; +} + +static bool are_stream_backends_same( + struct dc_stream_state *stream_a, struct dc_stream_state *stream_b) +{ + if (stream_a == stream_b) + return true; + + if (stream_a == NULL || stream_b == NULL) + return false; + + if (is_timing_changed(stream_a, stream_b)) + return false; + + if (stream_a->signal != stream_b->signal) + return false; + + if (stream_a->dpms_off != stream_b->dpms_off) + return false; + + return true; +} + +/* + * dc_is_stream_unchanged() - Compare two stream states for equivalence. + * + * Checks if there a difference between the two states + * that would require a mode change. + * + * Does not compare cursor position or attributes. + */ +bool dc_is_stream_unchanged( + struct dc_stream_state *old_stream, struct dc_stream_state *stream) +{ + + if (!are_stream_backends_same(old_stream, stream)) + return false; + + if (old_stream->ignore_msa_timing_param != stream->ignore_msa_timing_param) + return false; + + /*compare audio info*/ + if (memcmp(&old_stream->audio_info, &stream->audio_info, sizeof(stream->audio_info)) != 0) + return false; + + return true; +} + +/* + * dc_is_stream_scaling_unchanged() - Compare scaling rectangles of two streams. + */ +bool dc_is_stream_scaling_unchanged(struct dc_stream_state *old_stream, + struct dc_stream_state *stream) +{ + if (old_stream == stream) + return true; + + if (old_stream == NULL || stream == NULL) + return false; + + if (memcmp(&old_stream->src, + &stream->src, + sizeof(struct rect)) != 0) + return false; + + if (memcmp(&old_stream->dst, + &stream->dst, + sizeof(struct rect)) != 0) + return false; + + return true; +} + +static void update_stream_engine_usage( + struct resource_context *res_ctx, + const struct resource_pool *pool, + struct stream_encoder *stream_enc, + bool acquired) +{ + int i; + + for (i = 0; i < pool->stream_enc_count; i++) { + if (pool->stream_enc[i] == stream_enc) + res_ctx->is_stream_enc_acquired[i] = acquired; + } +} + +static void update_hpo_dp_stream_engine_usage( + struct resource_context *res_ctx, + const struct resource_pool *pool, + struct hpo_dp_stream_encoder *hpo_dp_stream_enc, + bool acquired) +{ + int i; + + for (i = 0; i < pool->hpo_dp_stream_enc_count; i++) { + if (pool->hpo_dp_stream_enc[i] == hpo_dp_stream_enc) + res_ctx->is_hpo_dp_stream_enc_acquired[i] = acquired; + } +} + +static inline int find_acquired_hpo_dp_link_enc_for_link( + const struct resource_context *res_ctx, + const struct dc_link *link) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(res_ctx->hpo_dp_link_enc_to_link_idx); i++) + if (res_ctx->hpo_dp_link_enc_ref_cnts[i] > 0 && + res_ctx->hpo_dp_link_enc_to_link_idx[i] == link->link_index) + return i; + + return -1; +} + +static inline int find_free_hpo_dp_link_enc(const struct resource_context *res_ctx, + const struct resource_pool *pool) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(res_ctx->hpo_dp_link_enc_ref_cnts); i++) + if (res_ctx->hpo_dp_link_enc_ref_cnts[i] == 0) + break; + + return (i < ARRAY_SIZE(res_ctx->hpo_dp_link_enc_ref_cnts) && + i < pool->hpo_dp_link_enc_count) ? i : -1; +} + +static inline void acquire_hpo_dp_link_enc( + struct resource_context *res_ctx, + unsigned int link_index, + int enc_index) +{ + res_ctx->hpo_dp_link_enc_to_link_idx[enc_index] = link_index; + res_ctx->hpo_dp_link_enc_ref_cnts[enc_index] = 1; +} + +static inline void retain_hpo_dp_link_enc( + struct resource_context *res_ctx, + int enc_index) +{ + res_ctx->hpo_dp_link_enc_ref_cnts[enc_index]++; +} + +static inline void release_hpo_dp_link_enc( + struct resource_context *res_ctx, + int enc_index) +{ + ASSERT(res_ctx->hpo_dp_link_enc_ref_cnts[enc_index] > 0); + res_ctx->hpo_dp_link_enc_ref_cnts[enc_index]--; +} + +static bool add_hpo_dp_link_enc_to_ctx(struct resource_context *res_ctx, + const struct resource_pool *pool, + struct pipe_ctx *pipe_ctx, + struct dc_stream_state *stream) +{ + int enc_index; + + enc_index = find_acquired_hpo_dp_link_enc_for_link(res_ctx, stream->link); + + if (enc_index >= 0) { + retain_hpo_dp_link_enc(res_ctx, enc_index); + } else { + enc_index = find_free_hpo_dp_link_enc(res_ctx, pool); + if (enc_index >= 0) + acquire_hpo_dp_link_enc(res_ctx, stream->link->link_index, enc_index); + } + + if (enc_index >= 0) + pipe_ctx->link_res.hpo_dp_link_enc = pool->hpo_dp_link_enc[enc_index]; + + return pipe_ctx->link_res.hpo_dp_link_enc != NULL; +} + +static void remove_hpo_dp_link_enc_from_ctx(struct resource_context *res_ctx, + struct pipe_ctx *pipe_ctx, + struct dc_stream_state *stream) +{ + int enc_index; + + enc_index = find_acquired_hpo_dp_link_enc_for_link(res_ctx, stream->link); + + if (enc_index >= 0) { + release_hpo_dp_link_enc(res_ctx, enc_index); + pipe_ctx->link_res.hpo_dp_link_enc = NULL; + } +} + +/* TODO: release audio object */ +void update_audio_usage( + struct resource_context *res_ctx, + const struct resource_pool *pool, + struct audio *audio, + bool acquired) +{ + int i; + for (i = 0; i < pool->audio_count; i++) { + if (pool->audios[i] == audio) + res_ctx->is_audio_acquired[i] = acquired; + } +} + +static int acquire_first_free_pipe( + struct resource_context *res_ctx, + const struct resource_pool *pool, + struct dc_stream_state *stream) +{ + int i; + + for (i = 0; i < pool->pipe_count; i++) { + if (!res_ctx->pipe_ctx[i].stream) { + struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i]; + + pipe_ctx->stream_res.tg = pool->timing_generators[i]; + pipe_ctx->plane_res.mi = pool->mis[i]; + pipe_ctx->plane_res.hubp = pool->hubps[i]; + pipe_ctx->plane_res.ipp = pool->ipps[i]; + pipe_ctx->plane_res.xfm = pool->transforms[i]; + pipe_ctx->plane_res.dpp = pool->dpps[i]; + pipe_ctx->stream_res.opp = pool->opps[i]; + if (pool->dpps[i]) + pipe_ctx->plane_res.mpcc_inst = pool->dpps[i]->inst; + pipe_ctx->pipe_idx = i; + + if (i >= pool->timing_generator_count) { + int tg_inst = pool->timing_generator_count - 1; + + pipe_ctx->stream_res.tg = pool->timing_generators[tg_inst]; + pipe_ctx->stream_res.opp = pool->opps[tg_inst]; + } + + pipe_ctx->stream = stream; + return i; + } + } + return -1; +} + +static struct hpo_dp_stream_encoder *find_first_free_match_hpo_dp_stream_enc_for_link( + struct resource_context *res_ctx, + const struct resource_pool *pool, + struct dc_stream_state *stream) +{ + int i; + + for (i = 0; i < pool->hpo_dp_stream_enc_count; i++) { + if (!res_ctx->is_hpo_dp_stream_enc_acquired[i] && + pool->hpo_dp_stream_enc[i]) { + + return pool->hpo_dp_stream_enc[i]; + } + } + + return NULL; +} + +static struct audio *find_first_free_audio( + struct resource_context *res_ctx, + const struct resource_pool *pool, + enum engine_id id, + enum dce_version dc_version) +{ + int i, available_audio_count; + + available_audio_count = pool->audio_count; + + for (i = 0; i < available_audio_count; i++) { + if ((res_ctx->is_audio_acquired[i] == false) && (res_ctx->is_stream_enc_acquired[i] == true)) { + /*we have enough audio endpoint, find the matching inst*/ + if (id != i) + continue; + return pool->audios[i]; + } + } + + /* use engine id to find free audio */ + if ((id < available_audio_count) && (res_ctx->is_audio_acquired[id] == false)) { + return pool->audios[id]; + } + /*not found the matching one, first come first serve*/ + for (i = 0; i < available_audio_count; i++) { + if (res_ctx->is_audio_acquired[i] == false) { + return pool->audios[i]; + } + } + return NULL; +} + +/* + * dc_add_stream_to_ctx() - Add a new dc_stream_state to a dc_state. + */ +enum dc_status dc_add_stream_to_ctx( + struct dc *dc, + struct dc_state *new_ctx, + struct dc_stream_state *stream) +{ + enum dc_status res; + DC_LOGGER_INIT(dc->ctx->logger); + + if (new_ctx->stream_count >= dc->res_pool->timing_generator_count) { + DC_LOG_WARNING("Max streams reached, can't add stream %p !\n", stream); + return DC_ERROR_UNEXPECTED; + } + + new_ctx->streams[new_ctx->stream_count] = stream; + dc_stream_retain(stream); + new_ctx->stream_count++; + + res = dc->res_pool->funcs->add_stream_to_ctx(dc, new_ctx, stream); + if (res != DC_OK) + DC_LOG_WARNING("Adding stream %p to context failed with err %d!\n", stream, res); + + return res; +} + +/* + * dc_remove_stream_from_ctx() - Remove a stream from a dc_state. + */ +enum dc_status dc_remove_stream_from_ctx( + struct dc *dc, + struct dc_state *new_ctx, + struct dc_stream_state *stream) +{ + int i; + struct dc_context *dc_ctx = dc->ctx; + struct pipe_ctx *del_pipe = resource_get_head_pipe_for_stream(&new_ctx->res_ctx, stream); + struct pipe_ctx *odm_pipe; + + if (!del_pipe) { + DC_ERROR("Pipe not found for stream %p !\n", stream); + return DC_ERROR_UNEXPECTED; + } + + odm_pipe = del_pipe->next_odm_pipe; + + /* Release primary pipe */ + ASSERT(del_pipe->stream_res.stream_enc); + update_stream_engine_usage( + &new_ctx->res_ctx, + dc->res_pool, + del_pipe->stream_res.stream_enc, + false); + + if (is_dp_128b_132b_signal(del_pipe)) { + update_hpo_dp_stream_engine_usage( + &new_ctx->res_ctx, dc->res_pool, + del_pipe->stream_res.hpo_dp_stream_enc, + false); + remove_hpo_dp_link_enc_from_ctx(&new_ctx->res_ctx, del_pipe, del_pipe->stream); + } + + if (del_pipe->stream_res.audio) + update_audio_usage( + &new_ctx->res_ctx, + dc->res_pool, + del_pipe->stream_res.audio, + false); + + resource_unreference_clock_source(&new_ctx->res_ctx, + dc->res_pool, + del_pipe->clock_source); + + if (dc->res_pool->funcs->remove_stream_from_ctx) + dc->res_pool->funcs->remove_stream_from_ctx(dc, new_ctx, stream); + + while (odm_pipe) { + struct pipe_ctx *next_odm_pipe = odm_pipe->next_odm_pipe; + + memset(odm_pipe, 0, sizeof(*odm_pipe)); + odm_pipe = next_odm_pipe; + } + memset(del_pipe, 0, sizeof(*del_pipe)); + + for (i = 0; i < new_ctx->stream_count; i++) + if (new_ctx->streams[i] == stream) + break; + + if (new_ctx->streams[i] != stream) { + DC_ERROR("Context doesn't have stream %p !\n", stream); + return DC_ERROR_UNEXPECTED; + } + + dc_stream_release(new_ctx->streams[i]); + new_ctx->stream_count--; + + /* Trim back arrays */ + for (; i < new_ctx->stream_count; i++) { + new_ctx->streams[i] = new_ctx->streams[i + 1]; + new_ctx->stream_status[i] = new_ctx->stream_status[i + 1]; + } + + new_ctx->streams[new_ctx->stream_count] = NULL; + memset( + &new_ctx->stream_status[new_ctx->stream_count], + 0, + sizeof(new_ctx->stream_status[0])); + + return DC_OK; +} + +static struct dc_stream_state *find_pll_sharable_stream( + struct dc_stream_state *stream_needs_pll, + struct dc_state *context) +{ + int i; + + for (i = 0; i < context->stream_count; i++) { + struct dc_stream_state *stream_has_pll = context->streams[i]; + + /* We are looking for non dp, non virtual stream */ + if (resource_are_streams_timing_synchronizable( + stream_needs_pll, stream_has_pll) + && !dc_is_dp_signal(stream_has_pll->signal) + && stream_has_pll->link->connector_signal + != SIGNAL_TYPE_VIRTUAL) + return stream_has_pll; + + } + + return NULL; +} + +static int get_norm_pix_clk(const struct dc_crtc_timing *timing) +{ + uint32_t pix_clk = timing->pix_clk_100hz; + uint32_t normalized_pix_clk = pix_clk; + + if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR420) + pix_clk /= 2; + if (timing->pixel_encoding != PIXEL_ENCODING_YCBCR422) { + switch (timing->display_color_depth) { + case COLOR_DEPTH_666: + case COLOR_DEPTH_888: + normalized_pix_clk = pix_clk; + break; + case COLOR_DEPTH_101010: + normalized_pix_clk = (pix_clk * 30) / 24; + break; + case COLOR_DEPTH_121212: + normalized_pix_clk = (pix_clk * 36) / 24; + break; + case COLOR_DEPTH_161616: + normalized_pix_clk = (pix_clk * 48) / 24; + break; + default: + ASSERT(0); + break; + } + } + return normalized_pix_clk; +} + +static void calculate_phy_pix_clks(struct dc_stream_state *stream) +{ + /* update actual pixel clock on all streams */ + if (dc_is_hdmi_signal(stream->signal)) + stream->phy_pix_clk = get_norm_pix_clk( + &stream->timing) / 10; + else + stream->phy_pix_clk = + stream->timing.pix_clk_100hz / 10; + + if (stream->timing.timing_3d_format == TIMING_3D_FORMAT_HW_FRAME_PACKING) + stream->phy_pix_clk *= 2; +} + +static int acquire_resource_from_hw_enabled_state( + struct resource_context *res_ctx, + const struct resource_pool *pool, + struct dc_stream_state *stream) +{ + struct dc_link *link = stream->link; + unsigned int i, inst, tg_inst = 0; + uint32_t numPipes = 1; + uint32_t id_src[4] = {0}; + + /* Check for enabled DIG to identify enabled display */ + if (!link->link_enc->funcs->is_dig_enabled(link->link_enc)) + return -1; + + inst = link->link_enc->funcs->get_dig_frontend(link->link_enc); + + if (inst == ENGINE_ID_UNKNOWN) + return -1; + + for (i = 0; i < pool->stream_enc_count; i++) { + if (pool->stream_enc[i]->id == inst) { + tg_inst = pool->stream_enc[i]->funcs->dig_source_otg( + pool->stream_enc[i]); + break; + } + } + + // tg_inst not found + if (i == pool->stream_enc_count) + return -1; + + if (tg_inst >= pool->timing_generator_count) + return -1; + + if (!res_ctx->pipe_ctx[tg_inst].stream) { + struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[tg_inst]; + + pipe_ctx->stream_res.tg = pool->timing_generators[tg_inst]; + id_src[0] = tg_inst; + + if (pipe_ctx->stream_res.tg->funcs->get_optc_source) + pipe_ctx->stream_res.tg->funcs->get_optc_source(pipe_ctx->stream_res.tg, + &numPipes, &id_src[0], &id_src[1]); + + if (id_src[0] == 0xf && id_src[1] == 0xf) { + id_src[0] = tg_inst; + numPipes = 1; + } + + for (i = 0; i < numPipes; i++) { + //Check if src id invalid + if (id_src[i] == 0xf) + return -1; + + pipe_ctx = &res_ctx->pipe_ctx[id_src[i]]; + + pipe_ctx->stream_res.tg = pool->timing_generators[tg_inst]; + pipe_ctx->plane_res.mi = pool->mis[id_src[i]]; + pipe_ctx->plane_res.hubp = pool->hubps[id_src[i]]; + pipe_ctx->plane_res.ipp = pool->ipps[id_src[i]]; + pipe_ctx->plane_res.xfm = pool->transforms[id_src[i]]; + pipe_ctx->plane_res.dpp = pool->dpps[id_src[i]]; + pipe_ctx->stream_res.opp = pool->opps[id_src[i]]; + + if (pool->dpps[id_src[i]]) { + pipe_ctx->plane_res.mpcc_inst = pool->dpps[id_src[i]]->inst; + + if (pool->mpc->funcs->read_mpcc_state) { + struct mpcc_state s = {0}; + + pool->mpc->funcs->read_mpcc_state(pool->mpc, pipe_ctx->plane_res.mpcc_inst, &s); + + if (s.dpp_id < MAX_MPCC) + pool->mpc->mpcc_array[pipe_ctx->plane_res.mpcc_inst].dpp_id = + s.dpp_id; + + if (s.bot_mpcc_id < MAX_MPCC) + pool->mpc->mpcc_array[pipe_ctx->plane_res.mpcc_inst].mpcc_bot = + &pool->mpc->mpcc_array[s.bot_mpcc_id]; + + if (s.opp_id < MAX_OPP) + pipe_ctx->stream_res.opp->mpc_tree_params.opp_id = s.opp_id; + } + } + pipe_ctx->pipe_idx = id_src[i]; + + if (id_src[i] >= pool->timing_generator_count) { + id_src[i] = pool->timing_generator_count - 1; + + pipe_ctx->stream_res.tg = pool->timing_generators[id_src[i]]; + pipe_ctx->stream_res.opp = pool->opps[id_src[i]]; + } + + pipe_ctx->stream = stream; + } + + if (numPipes == 2) { + stream->apply_boot_odm_mode = dm_odm_combine_policy_2to1; + res_ctx->pipe_ctx[id_src[0]].next_odm_pipe = &res_ctx->pipe_ctx[id_src[1]]; + res_ctx->pipe_ctx[id_src[0]].prev_odm_pipe = NULL; + res_ctx->pipe_ctx[id_src[1]].next_odm_pipe = NULL; + res_ctx->pipe_ctx[id_src[1]].prev_odm_pipe = &res_ctx->pipe_ctx[id_src[0]]; + } else + stream->apply_boot_odm_mode = dm_odm_combine_mode_disabled; + + return id_src[0]; + } + + return -1; +} + +static void mark_seamless_boot_stream( + const struct dc *dc, + struct dc_stream_state *stream) +{ + struct dc_bios *dcb = dc->ctx->dc_bios; + + if (dc->config.allow_seamless_boot_optimization && + !dcb->funcs->is_accelerated_mode(dcb)) { + if (dc_validate_boot_timing(dc, stream->sink, &stream->timing)) + stream->apply_seamless_boot_optimization = true; + } +} + +enum dc_status resource_map_pool_resources( + const struct dc *dc, + struct dc_state *context, + struct dc_stream_state *stream) +{ + const struct resource_pool *pool = dc->res_pool; + int i; + struct dc_context *dc_ctx = dc->ctx; + struct pipe_ctx *pipe_ctx = NULL; + int pipe_idx = -1; + + calculate_phy_pix_clks(stream); + + mark_seamless_boot_stream(dc, stream); + + if (stream->apply_seamless_boot_optimization) { + pipe_idx = acquire_resource_from_hw_enabled_state( + &context->res_ctx, + pool, + stream); + if (pipe_idx < 0) + /* hw resource was assigned to other stream */ + stream->apply_seamless_boot_optimization = false; + } + + if (pipe_idx < 0) + /* acquire new resources */ + pipe_idx = acquire_first_free_pipe(&context->res_ctx, pool, stream); + + if (pipe_idx < 0) + pipe_idx = acquire_first_split_pipe(&context->res_ctx, pool, stream); + + if (pipe_idx < 0 || context->res_ctx.pipe_ctx[pipe_idx].stream_res.tg == NULL) + return DC_NO_CONTROLLER_RESOURCE; + + pipe_ctx = &context->res_ctx.pipe_ctx[pipe_idx]; + + pipe_ctx->stream_res.stream_enc = + dc->res_pool->funcs->find_first_free_match_stream_enc_for_link( + &context->res_ctx, pool, stream); + + if (!pipe_ctx->stream_res.stream_enc) + return DC_NO_STREAM_ENC_RESOURCE; + + update_stream_engine_usage( + &context->res_ctx, pool, + pipe_ctx->stream_res.stream_enc, + true); + + /* Allocate DP HPO Stream Encoder based on signal, hw capabilities + * and link settings + */ + if (dc_is_dp_signal(stream->signal)) { + if (!decide_link_settings(stream, &pipe_ctx->link_config.dp_link_settings)) + return DC_FAIL_DP_LINK_BANDWIDTH; + if (dp_get_link_encoding_format(&pipe_ctx->link_config.dp_link_settings) == DP_128b_132b_ENCODING) { + pipe_ctx->stream_res.hpo_dp_stream_enc = + find_first_free_match_hpo_dp_stream_enc_for_link( + &context->res_ctx, pool, stream); + + if (!pipe_ctx->stream_res.hpo_dp_stream_enc) + return DC_NO_STREAM_ENC_RESOURCE; + + update_hpo_dp_stream_engine_usage( + &context->res_ctx, pool, + pipe_ctx->stream_res.hpo_dp_stream_enc, + true); + if (!add_hpo_dp_link_enc_to_ctx(&context->res_ctx, pool, pipe_ctx, stream)) + return DC_NO_LINK_ENC_RESOURCE; + } + } + + /* TODO: Add check if ASIC support and EDID audio */ + if (!stream->converter_disable_audio && + dc_is_audio_capable_signal(pipe_ctx->stream->signal) && + stream->audio_info.mode_count && stream->audio_info.flags.all) { + pipe_ctx->stream_res.audio = find_first_free_audio( + &context->res_ctx, pool, pipe_ctx->stream_res.stream_enc->id, dc_ctx->dce_version); + + /* + * Audio assigned in order first come first get. + * There are asics which has number of audio + * resources less then number of pipes + */ + if (pipe_ctx->stream_res.audio) + update_audio_usage(&context->res_ctx, pool, + pipe_ctx->stream_res.audio, true); + } + + /* Add ABM to the resource if on EDP */ + if (pipe_ctx->stream && dc_is_embedded_signal(pipe_ctx->stream->signal)) { + if (pool->abm) + pipe_ctx->stream_res.abm = pool->abm; + else + pipe_ctx->stream_res.abm = pool->multiple_abms[pipe_ctx->stream_res.tg->inst]; + } + + for (i = 0; i < context->stream_count; i++) + if (context->streams[i] == stream) { + context->stream_status[i].primary_otg_inst = pipe_ctx->stream_res.tg->inst; + context->stream_status[i].stream_enc_inst = pipe_ctx->stream_res.stream_enc->stream_enc_inst; + context->stream_status[i].audio_inst = + pipe_ctx->stream_res.audio ? pipe_ctx->stream_res.audio->inst : -1; + + return DC_OK; + } + + DC_ERROR("Stream %p not found in new ctx!\n", stream); + return DC_ERROR_UNEXPECTED; +} + +/** + * dc_resource_state_copy_construct_current() - Creates a new dc_state from existing state + * Is a shallow copy. Increments refcounts on existing streams and planes. + * @dc: copy out of dc->current_state + * @dst_ctx: copy into this + */ +void dc_resource_state_copy_construct_current( + const struct dc *dc, + struct dc_state *dst_ctx) +{ + dc_resource_state_copy_construct(dc->current_state, dst_ctx); +} + + +void dc_resource_state_construct( + const struct dc *dc, + struct dc_state *dst_ctx) +{ + dst_ctx->clk_mgr = dc->clk_mgr; + + /* Initialise DIG link encoder resource tracking variables. */ + link_enc_cfg_init(dc, dst_ctx); +} + + +bool dc_resource_is_dsc_encoding_supported(const struct dc *dc) +{ + if (dc->res_pool == NULL) + return false; + + return dc->res_pool->res_cap->num_dsc > 0; +} + +static bool planes_changed_for_existing_stream(struct dc_state *context, + struct dc_stream_state *stream, + const struct dc_validation_set set[], + int set_count) +{ + int i, j; + struct dc_stream_status *stream_status = NULL; + + for (i = 0; i < context->stream_count; i++) { + if (context->streams[i] == stream) { + stream_status = &context->stream_status[i]; + break; + } + } + + if (!stream_status) + ASSERT(0); + + for (i = 0; i < set_count; i++) + if (set[i].stream == stream) + break; + + if (i == set_count) + ASSERT(0); + + if (set[i].plane_count != stream_status->plane_count) + return true; + + for (j = 0; j < set[i].plane_count; j++) + if (set[i].plane_states[j] != stream_status->plane_states[j]) + return true; + + return false; +} + +/** + * dc_validate_with_context - Validate and update the potential new stream in the context object + * + * @dc: Used to get the current state status + * @set: An array of dc_validation_set with all the current streams reference + * @set_count: Total of streams + * @context: New context + * @fast_validate: Enable or disable fast validation + * + * This function updates the potential new stream in the context object. It + * creates multiple lists for the add, remove, and unchanged streams. In + * particular, if the unchanged streams have a plane that changed, it is + * necessary to remove all planes from the unchanged streams. In summary, this + * function is responsible for validating the new context. + * + * Return: + * In case of success, return DC_OK (1), otherwise, return a DC error. + */ +enum dc_status dc_validate_with_context(struct dc *dc, + const struct dc_validation_set set[], + int set_count, + struct dc_state *context, + bool fast_validate) +{ + struct dc_stream_state *unchanged_streams[MAX_PIPES] = { 0 }; + struct dc_stream_state *del_streams[MAX_PIPES] = { 0 }; + struct dc_stream_state *add_streams[MAX_PIPES] = { 0 }; + int old_stream_count = context->stream_count; + enum dc_status res = DC_ERROR_UNEXPECTED; + int unchanged_streams_count = 0; + int del_streams_count = 0; + int add_streams_count = 0; + bool found = false; + int i, j, k; + + DC_LOGGER_INIT(dc->ctx->logger); + + /* First build a list of streams to be remove from current context */ + for (i = 0; i < old_stream_count; i++) { + struct dc_stream_state *stream = context->streams[i]; + + for (j = 0; j < set_count; j++) { + if (stream == set[j].stream) { + found = true; + break; + } + } + + if (!found) + del_streams[del_streams_count++] = stream; + + found = false; + } + + /* Second, build a list of new streams */ + for (i = 0; i < set_count; i++) { + struct dc_stream_state *stream = set[i].stream; + + for (j = 0; j < old_stream_count; j++) { + if (stream == context->streams[j]) { + found = true; + break; + } + } + + if (!found) + add_streams[add_streams_count++] = stream; + + found = false; + } + + /* Build a list of unchanged streams which is necessary for handling + * planes change such as added, removed, and updated. + */ + for (i = 0; i < set_count; i++) { + /* Check if stream is part of the delete list */ + for (j = 0; j < del_streams_count; j++) { + if (set[i].stream == del_streams[j]) { + found = true; + break; + } + } + + if (!found) { + /* Check if stream is part of the add list */ + for (j = 0; j < add_streams_count; j++) { + if (set[i].stream == add_streams[j]) { + found = true; + break; + } + } + } + + if (!found) + unchanged_streams[unchanged_streams_count++] = set[i].stream; + + found = false; + } + + /* Remove all planes for unchanged streams if planes changed */ + for (i = 0; i < unchanged_streams_count; i++) { + if (planes_changed_for_existing_stream(context, + unchanged_streams[i], + set, + set_count)) { + if (!dc_rem_all_planes_for_stream(dc, + unchanged_streams[i], + context)) { + res = DC_FAIL_DETACH_SURFACES; + goto fail; + } + } + } + + /* Remove all planes for removed streams and then remove the streams */ + for (i = 0; i < del_streams_count; i++) { + /* Need to cpy the dwb data from the old stream in order to efc to work */ + if (del_streams[i]->num_wb_info > 0) { + for (j = 0; j < add_streams_count; j++) { + if (del_streams[i]->sink == add_streams[j]->sink) { + add_streams[j]->num_wb_info = del_streams[i]->num_wb_info; + for (k = 0; k < del_streams[i]->num_wb_info; k++) + add_streams[j]->writeback_info[k] = del_streams[i]->writeback_info[k]; + } + } + } + + if (!dc_rem_all_planes_for_stream(dc, del_streams[i], context)) { + res = DC_FAIL_DETACH_SURFACES; + goto fail; + } + + res = dc_remove_stream_from_ctx(dc, context, del_streams[i]); + if (res != DC_OK) + goto fail; + } + + /* Swap seamless boot stream to pipe 0 (if needed) to ensure pipe_ctx + * matches. This may change in the future if seamless_boot_stream can be + * multiple. + */ + for (i = 0; i < add_streams_count; i++) { + mark_seamless_boot_stream(dc, add_streams[i]); + if (add_streams[i]->apply_seamless_boot_optimization && i != 0) { + struct dc_stream_state *temp = add_streams[0]; + + add_streams[0] = add_streams[i]; + add_streams[i] = temp; + break; + } + } + + /* Add new streams and then add all planes for the new stream */ + for (i = 0; i < add_streams_count; i++) { + calculate_phy_pix_clks(add_streams[i]); + res = dc_add_stream_to_ctx(dc, context, add_streams[i]); + if (res != DC_OK) + goto fail; + + if (!add_all_planes_for_stream(dc, add_streams[i], set, set_count, context)) { + res = DC_FAIL_ATTACH_SURFACES; + goto fail; + } + } + + /* Add all planes for unchanged streams if planes changed */ + for (i = 0; i < unchanged_streams_count; i++) { + if (planes_changed_for_existing_stream(context, + unchanged_streams[i], + set, + set_count)) { + if (!add_all_planes_for_stream(dc, unchanged_streams[i], set, set_count, context)) { + res = DC_FAIL_ATTACH_SURFACES; + goto fail; + } + } + } + + res = dc_validate_global_state(dc, context, fast_validate); + +fail: + if (res != DC_OK) + DC_LOG_WARNING("%s:resource validation failed, dc_status:%d\n", + __func__, + res); + + return res; +} + +/** + * dc_validate_global_state() - Determine if hardware can support a given state + * + * @dc: dc struct for this driver + * @new_ctx: state to be validated + * @fast_validate: set to true if only yes/no to support matters + * + * Checks hardware resource availability and bandwidth requirement. + * + * Return: + * DC_OK if the result can be programmed. Otherwise, an error code. + */ +enum dc_status dc_validate_global_state( + struct dc *dc, + struct dc_state *new_ctx, + bool fast_validate) +{ + enum dc_status result = DC_ERROR_UNEXPECTED; + int i, j; + + if (!new_ctx) + return DC_ERROR_UNEXPECTED; + + if (dc->res_pool->funcs->validate_global) { + result = dc->res_pool->funcs->validate_global(dc, new_ctx); + if (result != DC_OK) + return result; + } + + for (i = 0; i < new_ctx->stream_count; i++) { + struct dc_stream_state *stream = new_ctx->streams[i]; + + for (j = 0; j < dc->res_pool->pipe_count; j++) { + struct pipe_ctx *pipe_ctx = &new_ctx->res_ctx.pipe_ctx[j]; + + if (pipe_ctx->stream != stream) + continue; + + if (dc->res_pool->funcs->patch_unknown_plane_state && + pipe_ctx->plane_state && + pipe_ctx->plane_state->tiling_info.gfx9.swizzle == DC_SW_UNKNOWN) { + result = dc->res_pool->funcs->patch_unknown_plane_state(pipe_ctx->plane_state); + if (result != DC_OK) + return result; + } + + /* Switch to dp clock source only if there is + * no non dp stream that shares the same timing + * with the dp stream. + */ + if (dc_is_dp_signal(pipe_ctx->stream->signal) && + !find_pll_sharable_stream(stream, new_ctx)) { + + resource_unreference_clock_source( + &new_ctx->res_ctx, + dc->res_pool, + pipe_ctx->clock_source); + + pipe_ctx->clock_source = dc->res_pool->dp_clock_source; + resource_reference_clock_source( + &new_ctx->res_ctx, + dc->res_pool, + pipe_ctx->clock_source); + } + } + } + + result = resource_build_scaling_params_for_context(dc, new_ctx); + + if (result == DC_OK) + if (!dc->res_pool->funcs->validate_bandwidth(dc, new_ctx, fast_validate)) + result = DC_FAIL_BANDWIDTH_VALIDATE; + + /* + * Only update link encoder to stream assignment after bandwidth validation passed. + * TODO: Split out assignment and validation. + */ + if (result == DC_OK && dc->res_pool->funcs->link_encs_assign && fast_validate == false) + dc->res_pool->funcs->link_encs_assign( + dc, new_ctx, new_ctx->streams, new_ctx->stream_count); + + return result; +} + +static void patch_gamut_packet_checksum( + struct dc_info_packet *gamut_packet) +{ + /* For gamut we recalc checksum */ + if (gamut_packet->valid) { + uint8_t chk_sum = 0; + uint8_t *ptr; + uint8_t i; + + /*start of the Gamut data. */ + ptr = &gamut_packet->sb[3]; + + for (i = 0; i <= gamut_packet->sb[1]; i++) + chk_sum += ptr[i]; + + gamut_packet->sb[2] = (uint8_t) (0x100 - chk_sum); + } +} + +static void set_avi_info_frame( + struct dc_info_packet *info_packet, + struct pipe_ctx *pipe_ctx) +{ + struct dc_stream_state *stream = pipe_ctx->stream; + enum dc_color_space color_space = COLOR_SPACE_UNKNOWN; + uint32_t pixel_encoding = 0; + enum scanning_type scan_type = SCANNING_TYPE_NODATA; + enum dc_aspect_ratio aspect = ASPECT_RATIO_NO_DATA; + bool itc = false; + uint8_t itc_value = 0; + uint8_t cn0_cn1 = 0; + unsigned int cn0_cn1_value = 0; + uint8_t *check_sum = NULL; + uint8_t byte_index = 0; + union hdmi_info_packet hdmi_info; + union display_content_support support = {0}; + unsigned int vic = pipe_ctx->stream->timing.vic; + unsigned int rid = pipe_ctx->stream->timing.rid; + unsigned int fr_ind = pipe_ctx->stream->timing.fr_index; + enum dc_timing_3d_format format; + + memset(&hdmi_info, 0, sizeof(union hdmi_info_packet)); + + color_space = pipe_ctx->stream->output_color_space; + if (color_space == COLOR_SPACE_UNKNOWN) + color_space = (stream->timing.pixel_encoding == PIXEL_ENCODING_RGB) ? + COLOR_SPACE_SRGB:COLOR_SPACE_YCBCR709; + + /* Initialize header */ + hdmi_info.bits.header.info_frame_type = HDMI_INFOFRAME_TYPE_AVI; + /* InfoFrameVersion_3 is defined by CEA861F (Section 6.4), but shall + * not be used in HDMI 2.0 (Section 10.1) */ + hdmi_info.bits.header.version = 2; + hdmi_info.bits.header.length = HDMI_AVI_INFOFRAME_SIZE; + + /* + * IDO-defined (Y2,Y1,Y0 = 1,1,1) shall not be used by devices built + * according to HDMI 2.0 spec (Section 10.1) + */ + + switch (stream->timing.pixel_encoding) { + case PIXEL_ENCODING_YCBCR422: + pixel_encoding = 1; + break; + + case PIXEL_ENCODING_YCBCR444: + pixel_encoding = 2; + break; + case PIXEL_ENCODING_YCBCR420: + pixel_encoding = 3; + break; + + case PIXEL_ENCODING_RGB: + default: + pixel_encoding = 0; + } + + /* Y0_Y1_Y2 : The pixel encoding */ + /* H14b AVI InfoFrame has extension on Y-field from 2 bits to 3 bits */ + hdmi_info.bits.Y0_Y1_Y2 = pixel_encoding; + + /* A0 = 1 Active Format Information valid */ + hdmi_info.bits.A0 = ACTIVE_FORMAT_VALID; + + /* B0, B1 = 3; Bar info data is valid */ + hdmi_info.bits.B0_B1 = BAR_INFO_BOTH_VALID; + + hdmi_info.bits.SC0_SC1 = PICTURE_SCALING_UNIFORM; + + /* S0, S1 : Underscan / Overscan */ + /* TODO: un-hardcode scan type */ + scan_type = SCANNING_TYPE_UNDERSCAN; + hdmi_info.bits.S0_S1 = scan_type; + + /* C0, C1 : Colorimetry */ + if (color_space == COLOR_SPACE_YCBCR709 || + color_space == COLOR_SPACE_YCBCR709_LIMITED) + hdmi_info.bits.C0_C1 = COLORIMETRY_ITU709; + else if (color_space == COLOR_SPACE_YCBCR601 || + color_space == COLOR_SPACE_YCBCR601_LIMITED) + hdmi_info.bits.C0_C1 = COLORIMETRY_ITU601; + else { + hdmi_info.bits.C0_C1 = COLORIMETRY_NO_DATA; + } + if (color_space == COLOR_SPACE_2020_RGB_FULLRANGE || + color_space == COLOR_SPACE_2020_RGB_LIMITEDRANGE || + color_space == COLOR_SPACE_2020_YCBCR) { + hdmi_info.bits.EC0_EC2 = COLORIMETRYEX_BT2020RGBYCBCR; + hdmi_info.bits.C0_C1 = COLORIMETRY_EXTENDED; + } else if (color_space == COLOR_SPACE_ADOBERGB) { + hdmi_info.bits.EC0_EC2 = COLORIMETRYEX_ADOBERGB; + hdmi_info.bits.C0_C1 = COLORIMETRY_EXTENDED; + } + + /* TODO: un-hardcode aspect ratio */ + aspect = stream->timing.aspect_ratio; + + switch (aspect) { + case ASPECT_RATIO_4_3: + case ASPECT_RATIO_16_9: + hdmi_info.bits.M0_M1 = aspect; + break; + + case ASPECT_RATIO_NO_DATA: + case ASPECT_RATIO_64_27: + case ASPECT_RATIO_256_135: + default: + hdmi_info.bits.M0_M1 = 0; + } + + /* Active Format Aspect ratio - same as Picture Aspect Ratio. */ + hdmi_info.bits.R0_R3 = ACTIVE_FORMAT_ASPECT_RATIO_SAME_AS_PICTURE; + + /* TODO: un-hardcode cn0_cn1 and itc */ + + cn0_cn1 = 0; + cn0_cn1_value = 0; + + itc = true; + itc_value = 1; + + support = stream->content_support; + + if (itc) { + if (!support.bits.valid_content_type) { + cn0_cn1_value = 0; + } else { + if (cn0_cn1 == DISPLAY_CONTENT_TYPE_GRAPHICS) { + if (support.bits.graphics_content == 1) { + cn0_cn1_value = 0; + } + } else if (cn0_cn1 == DISPLAY_CONTENT_TYPE_PHOTO) { + if (support.bits.photo_content == 1) { + cn0_cn1_value = 1; + } else { + cn0_cn1_value = 0; + itc_value = 0; + } + } else if (cn0_cn1 == DISPLAY_CONTENT_TYPE_CINEMA) { + if (support.bits.cinema_content == 1) { + cn0_cn1_value = 2; + } else { + cn0_cn1_value = 0; + itc_value = 0; + } + } else if (cn0_cn1 == DISPLAY_CONTENT_TYPE_GAME) { + if (support.bits.game_content == 1) { + cn0_cn1_value = 3; + } else { + cn0_cn1_value = 0; + itc_value = 0; + } + } + } + hdmi_info.bits.CN0_CN1 = cn0_cn1_value; + hdmi_info.bits.ITC = itc_value; + } + + if (stream->qs_bit == 1) { + if (color_space == COLOR_SPACE_SRGB || + color_space == COLOR_SPACE_2020_RGB_FULLRANGE) + hdmi_info.bits.Q0_Q1 = RGB_QUANTIZATION_FULL_RANGE; + else if (color_space == COLOR_SPACE_SRGB_LIMITED || + color_space == COLOR_SPACE_2020_RGB_LIMITEDRANGE) + hdmi_info.bits.Q0_Q1 = RGB_QUANTIZATION_LIMITED_RANGE; + else + hdmi_info.bits.Q0_Q1 = RGB_QUANTIZATION_DEFAULT_RANGE; + } else + hdmi_info.bits.Q0_Q1 = RGB_QUANTIZATION_DEFAULT_RANGE; + + /* TODO : We should handle YCC quantization */ + /* but we do not have matrix calculation */ + hdmi_info.bits.YQ0_YQ1 = YYC_QUANTIZATION_LIMITED_RANGE; + + ///VIC + if (pipe_ctx->stream->timing.hdmi_vic != 0) + vic = 0; + format = stream->timing.timing_3d_format; + /*todo, add 3DStereo support*/ + if (format != TIMING_3D_FORMAT_NONE) { + // Based on HDMI specs hdmi vic needs to be converted to cea vic when 3D is enabled + switch (pipe_ctx->stream->timing.hdmi_vic) { + case 1: + vic = 95; + break; + case 2: + vic = 94; + break; + case 3: + vic = 93; + break; + case 4: + vic = 98; + break; + default: + break; + } + } + /* If VIC >= 128, the Source shall use AVI InfoFrame Version 3*/ + hdmi_info.bits.VIC0_VIC7 = vic; + if (vic >= 128) + hdmi_info.bits.header.version = 3; + /* If (C1, C0)=(1, 1) and (EC2, EC1, EC0)=(1, 1, 1), + * the Source shall use 20 AVI InfoFrame Version 4 + */ + if (hdmi_info.bits.C0_C1 == COLORIMETRY_EXTENDED && + hdmi_info.bits.EC0_EC2 == COLORIMETRYEX_RESERVED) { + hdmi_info.bits.header.version = 4; + hdmi_info.bits.header.length = 14; + } + + if (rid != 0 && fr_ind != 0) { + hdmi_info.bits.header.version = 5; + hdmi_info.bits.header.length = 15; + + hdmi_info.bits.FR0_FR3 = fr_ind & 0xF; + hdmi_info.bits.FR4 = (fr_ind >> 4) & 0x1; + hdmi_info.bits.RID0_RID5 = rid; + } + + /* pixel repetition + * PR0 - PR3 start from 0 whereas pHwPathMode->mode.timing.flags.pixel + * repetition start from 1 */ + hdmi_info.bits.PR0_PR3 = 0; + + /* Bar Info + * barTop: Line Number of End of Top Bar. + * barBottom: Line Number of Start of Bottom Bar. + * barLeft: Pixel Number of End of Left Bar. + * barRight: Pixel Number of Start of Right Bar. */ + hdmi_info.bits.bar_top = stream->timing.v_border_top; + hdmi_info.bits.bar_bottom = (stream->timing.v_total + - stream->timing.v_border_bottom + 1); + hdmi_info.bits.bar_left = stream->timing.h_border_left; + hdmi_info.bits.bar_right = (stream->timing.h_total + - stream->timing.h_border_right + 1); + + /* Additional Colorimetry Extension + * Used in conduction with C0-C1 and EC0-EC2 + * 0 = DCI-P3 RGB (D65) + * 1 = DCI-P3 RGB (theater) + */ + hdmi_info.bits.ACE0_ACE3 = 0; + + /* check_sum - Calculate AFMT_AVI_INFO0 ~ AFMT_AVI_INFO3 */ + check_sum = &hdmi_info.packet_raw_data.sb[0]; + + *check_sum = HDMI_INFOFRAME_TYPE_AVI + hdmi_info.bits.header.length + hdmi_info.bits.header.version; + + for (byte_index = 1; byte_index <= hdmi_info.bits.header.length; byte_index++) + *check_sum += hdmi_info.packet_raw_data.sb[byte_index]; + + /* one byte complement */ + *check_sum = (uint8_t) (0x100 - *check_sum); + + /* Store in hw_path_mode */ + info_packet->hb0 = hdmi_info.packet_raw_data.hb0; + info_packet->hb1 = hdmi_info.packet_raw_data.hb1; + info_packet->hb2 = hdmi_info.packet_raw_data.hb2; + + for (byte_index = 0; byte_index < sizeof(hdmi_info.packet_raw_data.sb); byte_index++) + info_packet->sb[byte_index] = hdmi_info.packet_raw_data.sb[byte_index]; + + info_packet->valid = true; +} + +static void set_vendor_info_packet( + struct dc_info_packet *info_packet, + struct dc_stream_state *stream) +{ + /* SPD info packet for FreeSync */ + + /* Check if Freesync is supported. Return if false. If true, + * set the corresponding bit in the info packet + */ + if (!stream->vsp_infopacket.valid) + return; + + *info_packet = stream->vsp_infopacket; +} + +static void set_spd_info_packet( + struct dc_info_packet *info_packet, + struct dc_stream_state *stream) +{ + /* SPD info packet for FreeSync */ + + /* Check if Freesync is supported. Return if false. If true, + * set the corresponding bit in the info packet + */ + if (!stream->vrr_infopacket.valid) + return; + + *info_packet = stream->vrr_infopacket; +} + +static void set_hdr_static_info_packet( + struct dc_info_packet *info_packet, + struct dc_stream_state *stream) +{ + /* HDR Static Metadata info packet for HDR10 */ + + if (!stream->hdr_static_metadata.valid || + stream->use_dynamic_meta) + return; + + *info_packet = stream->hdr_static_metadata; +} + +static void set_vsc_info_packet( + struct dc_info_packet *info_packet, + struct dc_stream_state *stream) +{ + if (!stream->vsc_infopacket.valid) + return; + + *info_packet = stream->vsc_infopacket; +} +static void set_hfvs_info_packet( + struct dc_info_packet *info_packet, + struct dc_stream_state *stream) +{ + if (!stream->hfvsif_infopacket.valid) + return; + + *info_packet = stream->hfvsif_infopacket; +} + + +static void set_vtem_info_packet( + struct dc_info_packet *info_packet, + struct dc_stream_state *stream) +{ + if (!stream->vtem_infopacket.valid) + return; + + *info_packet = stream->vtem_infopacket; +} + +void dc_resource_state_destruct(struct dc_state *context) +{ + int i, j; + + for (i = 0; i < context->stream_count; i++) { + for (j = 0; j < context->stream_status[i].plane_count; j++) + dc_plane_state_release( + context->stream_status[i].plane_states[j]); + + context->stream_status[i].plane_count = 0; + dc_stream_release(context->streams[i]); + context->streams[i] = NULL; + } + context->stream_count = 0; +} + +void dc_resource_state_copy_construct( + const struct dc_state *src_ctx, + struct dc_state *dst_ctx) +{ + int i, j; + struct kref refcount = dst_ctx->refcount; + + *dst_ctx = *src_ctx; + + for (i = 0; i < MAX_PIPES; i++) { + struct pipe_ctx *cur_pipe = &dst_ctx->res_ctx.pipe_ctx[i]; + + if (cur_pipe->top_pipe) + cur_pipe->top_pipe = &dst_ctx->res_ctx.pipe_ctx[cur_pipe->top_pipe->pipe_idx]; + + if (cur_pipe->bottom_pipe) + cur_pipe->bottom_pipe = &dst_ctx->res_ctx.pipe_ctx[cur_pipe->bottom_pipe->pipe_idx]; + + if (cur_pipe->next_odm_pipe) + cur_pipe->next_odm_pipe = &dst_ctx->res_ctx.pipe_ctx[cur_pipe->next_odm_pipe->pipe_idx]; + + if (cur_pipe->prev_odm_pipe) + cur_pipe->prev_odm_pipe = &dst_ctx->res_ctx.pipe_ctx[cur_pipe->prev_odm_pipe->pipe_idx]; + } + + for (i = 0; i < dst_ctx->stream_count; i++) { + dc_stream_retain(dst_ctx->streams[i]); + for (j = 0; j < dst_ctx->stream_status[i].plane_count; j++) + dc_plane_state_retain( + dst_ctx->stream_status[i].plane_states[j]); + } + + /* context refcount should not be overridden */ + dst_ctx->refcount = refcount; + +} + +struct clock_source *dc_resource_find_first_free_pll( + struct resource_context *res_ctx, + const struct resource_pool *pool) +{ + int i; + + for (i = 0; i < pool->clk_src_count; ++i) { + if (res_ctx->clock_source_ref_count[i] == 0) + return pool->clock_sources[i]; + } + + return NULL; +} + +void resource_build_info_frame(struct pipe_ctx *pipe_ctx) +{ + enum signal_type signal = SIGNAL_TYPE_NONE; + struct encoder_info_frame *info = &pipe_ctx->stream_res.encoder_info_frame; + + /* default all packets to invalid */ + info->avi.valid = false; + info->gamut.valid = false; + info->vendor.valid = false; + info->spd.valid = false; + info->hdrsmd.valid = false; + info->vsc.valid = false; + info->hfvsif.valid = false; + info->vtem.valid = false; + signal = pipe_ctx->stream->signal; + + /* HDMi and DP have different info packets*/ + if (dc_is_hdmi_signal(signal)) { + set_avi_info_frame(&info->avi, pipe_ctx); + + set_vendor_info_packet(&info->vendor, pipe_ctx->stream); + set_hfvs_info_packet(&info->hfvsif, pipe_ctx->stream); + set_vtem_info_packet(&info->vtem, pipe_ctx->stream); + + set_spd_info_packet(&info->spd, pipe_ctx->stream); + + set_hdr_static_info_packet(&info->hdrsmd, pipe_ctx->stream); + + } else if (dc_is_dp_signal(signal)) { + set_vsc_info_packet(&info->vsc, pipe_ctx->stream); + + set_spd_info_packet(&info->spd, pipe_ctx->stream); + + set_hdr_static_info_packet(&info->hdrsmd, pipe_ctx->stream); + } + + patch_gamut_packet_checksum(&info->gamut); +} + +enum dc_status resource_map_clock_resources( + const struct dc *dc, + struct dc_state *context, + struct dc_stream_state *stream) +{ + /* acquire new resources */ + const struct resource_pool *pool = dc->res_pool; + struct pipe_ctx *pipe_ctx = resource_get_head_pipe_for_stream( + &context->res_ctx, stream); + + if (!pipe_ctx) + return DC_ERROR_UNEXPECTED; + + if (dc_is_dp_signal(pipe_ctx->stream->signal) + || pipe_ctx->stream->signal == SIGNAL_TYPE_VIRTUAL) + pipe_ctx->clock_source = pool->dp_clock_source; + else { + pipe_ctx->clock_source = NULL; + + if (!dc->config.disable_disp_pll_sharing) + pipe_ctx->clock_source = resource_find_used_clk_src_for_sharing( + &context->res_ctx, + pipe_ctx); + + if (pipe_ctx->clock_source == NULL) + pipe_ctx->clock_source = + dc_resource_find_first_free_pll( + &context->res_ctx, + pool); + } + + if (pipe_ctx->clock_source == NULL) + return DC_NO_CLOCK_SOURCE_RESOURCE; + + resource_reference_clock_source( + &context->res_ctx, pool, + pipe_ctx->clock_source); + + return DC_OK; +} + +/* + * Note: We need to disable output if clock sources change, + * since bios does optimization and doesn't apply if changing + * PHY when not already disabled. + */ +bool pipe_need_reprogram( + struct pipe_ctx *pipe_ctx_old, + struct pipe_ctx *pipe_ctx) +{ + if (!pipe_ctx_old->stream) + return false; + + if (pipe_ctx_old->stream->sink != pipe_ctx->stream->sink) + return true; + + if (pipe_ctx_old->stream->signal != pipe_ctx->stream->signal) + return true; + + if (pipe_ctx_old->stream_res.audio != pipe_ctx->stream_res.audio) + return true; + + if (pipe_ctx_old->clock_source != pipe_ctx->clock_source + && pipe_ctx_old->stream != pipe_ctx->stream) + return true; + + if (pipe_ctx_old->stream_res.stream_enc != pipe_ctx->stream_res.stream_enc) + return true; + + if (is_timing_changed(pipe_ctx_old->stream, pipe_ctx->stream)) + return true; + + if (pipe_ctx_old->stream->dpms_off != pipe_ctx->stream->dpms_off) + return true; + + if (false == pipe_ctx_old->stream->link->link_state_valid && + false == pipe_ctx_old->stream->dpms_off) + return true; + + if (pipe_ctx_old->stream_res.dsc != pipe_ctx->stream_res.dsc) + return true; + + if (pipe_ctx_old->stream_res.hpo_dp_stream_enc != pipe_ctx->stream_res.hpo_dp_stream_enc) + return true; + if (pipe_ctx_old->link_res.hpo_dp_link_enc != pipe_ctx->link_res.hpo_dp_link_enc) + return true; + + /* DIG link encoder resource assignment for stream changed. */ + if (pipe_ctx_old->stream->ctx->dc->res_pool->funcs->link_encs_assign) { + bool need_reprogram = false; + struct dc *dc = pipe_ctx_old->stream->ctx->dc; + struct link_encoder *link_enc_prev = + link_enc_cfg_get_link_enc_used_by_stream_current(dc, pipe_ctx_old->stream); + + if (link_enc_prev != pipe_ctx->stream->link_enc) + need_reprogram = true; + + return need_reprogram; + } + + return false; +} + +void resource_build_bit_depth_reduction_params(struct dc_stream_state *stream, + struct bit_depth_reduction_params *fmt_bit_depth) +{ + enum dc_dither_option option = stream->dither_option; + enum dc_pixel_encoding pixel_encoding = + stream->timing.pixel_encoding; + + memset(fmt_bit_depth, 0, sizeof(*fmt_bit_depth)); + + if (option == DITHER_OPTION_DEFAULT) { + switch (stream->timing.display_color_depth) { + case COLOR_DEPTH_666: + option = DITHER_OPTION_SPATIAL6; + break; + case COLOR_DEPTH_888: + option = DITHER_OPTION_SPATIAL8; + break; + case COLOR_DEPTH_101010: + option = DITHER_OPTION_SPATIAL10; + break; + default: + option = DITHER_OPTION_DISABLE; + } + } + + if (option == DITHER_OPTION_DISABLE) + return; + + if (option == DITHER_OPTION_TRUN6) { + fmt_bit_depth->flags.TRUNCATE_ENABLED = 1; + fmt_bit_depth->flags.TRUNCATE_DEPTH = 0; + } else if (option == DITHER_OPTION_TRUN8 || + option == DITHER_OPTION_TRUN8_SPATIAL6 || + option == DITHER_OPTION_TRUN8_FM6) { + fmt_bit_depth->flags.TRUNCATE_ENABLED = 1; + fmt_bit_depth->flags.TRUNCATE_DEPTH = 1; + } else if (option == DITHER_OPTION_TRUN10 || + option == DITHER_OPTION_TRUN10_SPATIAL6 || + option == DITHER_OPTION_TRUN10_SPATIAL8 || + option == DITHER_OPTION_TRUN10_FM8 || + option == DITHER_OPTION_TRUN10_FM6 || + option == DITHER_OPTION_TRUN10_SPATIAL8_FM6) { + fmt_bit_depth->flags.TRUNCATE_ENABLED = 1; + fmt_bit_depth->flags.TRUNCATE_DEPTH = 2; + } + + /* special case - Formatter can only reduce by 4 bits at most. + * When reducing from 12 to 6 bits, + * HW recommends we use trunc with round mode + * (if we did nothing, trunc to 10 bits would be used) + * note that any 12->10 bit reduction is ignored prior to DCE8, + * as the input was 10 bits. + */ + if (option == DITHER_OPTION_SPATIAL6_FRAME_RANDOM || + option == DITHER_OPTION_SPATIAL6 || + option == DITHER_OPTION_FM6) { + fmt_bit_depth->flags.TRUNCATE_ENABLED = 1; + fmt_bit_depth->flags.TRUNCATE_DEPTH = 2; + fmt_bit_depth->flags.TRUNCATE_MODE = 1; + } + + /* spatial dither + * note that spatial modes 1-3 are never used + */ + if (option == DITHER_OPTION_SPATIAL6_FRAME_RANDOM || + option == DITHER_OPTION_SPATIAL6 || + option == DITHER_OPTION_TRUN10_SPATIAL6 || + option == DITHER_OPTION_TRUN8_SPATIAL6) { + fmt_bit_depth->flags.SPATIAL_DITHER_ENABLED = 1; + fmt_bit_depth->flags.SPATIAL_DITHER_DEPTH = 0; + fmt_bit_depth->flags.HIGHPASS_RANDOM = 1; + fmt_bit_depth->flags.RGB_RANDOM = + (pixel_encoding == PIXEL_ENCODING_RGB) ? 1 : 0; + } else if (option == DITHER_OPTION_SPATIAL8_FRAME_RANDOM || + option == DITHER_OPTION_SPATIAL8 || + option == DITHER_OPTION_SPATIAL8_FM6 || + option == DITHER_OPTION_TRUN10_SPATIAL8 || + option == DITHER_OPTION_TRUN10_SPATIAL8_FM6) { + fmt_bit_depth->flags.SPATIAL_DITHER_ENABLED = 1; + fmt_bit_depth->flags.SPATIAL_DITHER_DEPTH = 1; + fmt_bit_depth->flags.HIGHPASS_RANDOM = 1; + fmt_bit_depth->flags.RGB_RANDOM = + (pixel_encoding == PIXEL_ENCODING_RGB) ? 1 : 0; + } else if (option == DITHER_OPTION_SPATIAL10_FRAME_RANDOM || + option == DITHER_OPTION_SPATIAL10 || + option == DITHER_OPTION_SPATIAL10_FM8 || + option == DITHER_OPTION_SPATIAL10_FM6) { + fmt_bit_depth->flags.SPATIAL_DITHER_ENABLED = 1; + fmt_bit_depth->flags.SPATIAL_DITHER_DEPTH = 2; + fmt_bit_depth->flags.HIGHPASS_RANDOM = 1; + fmt_bit_depth->flags.RGB_RANDOM = + (pixel_encoding == PIXEL_ENCODING_RGB) ? 1 : 0; + } + + if (option == DITHER_OPTION_SPATIAL6 || + option == DITHER_OPTION_SPATIAL8 || + option == DITHER_OPTION_SPATIAL10) { + fmt_bit_depth->flags.FRAME_RANDOM = 0; + } else { + fmt_bit_depth->flags.FRAME_RANDOM = 1; + } + + ////////////////////// + //// temporal dither + ////////////////////// + if (option == DITHER_OPTION_FM6 || + option == DITHER_OPTION_SPATIAL8_FM6 || + option == DITHER_OPTION_SPATIAL10_FM6 || + option == DITHER_OPTION_TRUN10_FM6 || + option == DITHER_OPTION_TRUN8_FM6 || + option == DITHER_OPTION_TRUN10_SPATIAL8_FM6) { + fmt_bit_depth->flags.FRAME_MODULATION_ENABLED = 1; + fmt_bit_depth->flags.FRAME_MODULATION_DEPTH = 0; + } else if (option == DITHER_OPTION_FM8 || + option == DITHER_OPTION_SPATIAL10_FM8 || + option == DITHER_OPTION_TRUN10_FM8) { + fmt_bit_depth->flags.FRAME_MODULATION_ENABLED = 1; + fmt_bit_depth->flags.FRAME_MODULATION_DEPTH = 1; + } else if (option == DITHER_OPTION_FM10) { + fmt_bit_depth->flags.FRAME_MODULATION_ENABLED = 1; + fmt_bit_depth->flags.FRAME_MODULATION_DEPTH = 2; + } + + fmt_bit_depth->pixel_encoding = pixel_encoding; +} + +enum dc_status dc_validate_stream(struct dc *dc, struct dc_stream_state *stream) +{ + struct dc_link *link = stream->link; + struct timing_generator *tg = dc->res_pool->timing_generators[0]; + enum dc_status res = DC_OK; + + calculate_phy_pix_clks(stream); + + if (!tg->funcs->validate_timing(tg, &stream->timing)) + res = DC_FAIL_CONTROLLER_VALIDATE; + + if (res == DC_OK) { + if (link->ep_type == DISPLAY_ENDPOINT_PHY && + !link->link_enc->funcs->validate_output_with_stream( + link->link_enc, stream)) + res = DC_FAIL_ENC_VALIDATE; + } + + /* TODO: validate audio ASIC caps, encoder */ + + if (res == DC_OK) + res = dc_link_validate_mode_timing(stream, + link, + &stream->timing); + + return res; +} + +enum dc_status dc_validate_plane(struct dc *dc, const struct dc_plane_state *plane_state) +{ + enum dc_status res = DC_OK; + + /* check if surface has invalid dimensions */ + if (plane_state->src_rect.width == 0 || plane_state->src_rect.height == 0 || + plane_state->dst_rect.width == 0 || plane_state->dst_rect.height == 0) + return DC_FAIL_SURFACE_VALIDATE; + + /* TODO For now validates pixel format only */ + if (dc->res_pool->funcs->validate_plane) + return dc->res_pool->funcs->validate_plane(plane_state, &dc->caps); + + return res; +} + +unsigned int resource_pixel_format_to_bpp(enum surface_pixel_format format) +{ + switch (format) { + case SURFACE_PIXEL_FORMAT_GRPH_PALETA_256_COLORS: + return 8; + case SURFACE_PIXEL_FORMAT_VIDEO_420_YCbCr: + case SURFACE_PIXEL_FORMAT_VIDEO_420_YCrCb: + return 12; + case SURFACE_PIXEL_FORMAT_GRPH_ARGB1555: + case SURFACE_PIXEL_FORMAT_GRPH_RGB565: + case SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCbCr: + case SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCrCb: + return 16; + case SURFACE_PIXEL_FORMAT_GRPH_ARGB8888: + case SURFACE_PIXEL_FORMAT_GRPH_ABGR8888: + case SURFACE_PIXEL_FORMAT_GRPH_ARGB2101010: + case SURFACE_PIXEL_FORMAT_GRPH_ABGR2101010: + case SURFACE_PIXEL_FORMAT_GRPH_ABGR2101010_XR_BIAS: + case SURFACE_PIXEL_FORMAT_GRPH_RGBE: + case SURFACE_PIXEL_FORMAT_GRPH_RGBE_ALPHA: + return 32; + case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616: + case SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616: + case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616F: + case SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616F: + return 64; + default: + ASSERT_CRITICAL(false); + return -1; + } +} +static unsigned int get_max_audio_sample_rate(struct audio_mode *modes) +{ + if (modes) { + if (modes->sample_rates.rate.RATE_192) + return 192000; + if (modes->sample_rates.rate.RATE_176_4) + return 176400; + if (modes->sample_rates.rate.RATE_96) + return 96000; + if (modes->sample_rates.rate.RATE_88_2) + return 88200; + if (modes->sample_rates.rate.RATE_48) + return 48000; + if (modes->sample_rates.rate.RATE_44_1) + return 44100; + if (modes->sample_rates.rate.RATE_32) + return 32000; + } + /*original logic when no audio info*/ + return 441000; +} + +void get_audio_check(struct audio_info *aud_modes, + struct audio_check *audio_chk) +{ + unsigned int i; + unsigned int max_sample_rate = 0; + + if (aud_modes) { + audio_chk->audio_packet_type = 0x2;/*audio sample packet AP = .25 for layout0, 1 for layout1*/ + + audio_chk->max_audiosample_rate = 0; + for (i = 0; i < aud_modes->mode_count; i++) { + max_sample_rate = get_max_audio_sample_rate(&aud_modes->modes[i]); + if (audio_chk->max_audiosample_rate < max_sample_rate) + audio_chk->max_audiosample_rate = max_sample_rate; + /*dts takes the same as type 2: AP = 0.25*/ + } + /*check which one take more bandwidth*/ + if (audio_chk->max_audiosample_rate > 192000) + audio_chk->audio_packet_type = 0x9;/*AP =1*/ + audio_chk->acat = 0;/*not support*/ + } +} + +static struct hpo_dp_link_encoder *get_temp_hpo_dp_link_enc( + const struct resource_context *res_ctx, + const struct resource_pool *const pool, + const struct dc_link *link) +{ + struct hpo_dp_link_encoder *hpo_dp_link_enc = NULL; + int enc_index; + + enc_index = find_acquired_hpo_dp_link_enc_for_link(res_ctx, link); + + if (enc_index < 0) + enc_index = find_free_hpo_dp_link_enc(res_ctx, pool); + + if (enc_index >= 0) + hpo_dp_link_enc = pool->hpo_dp_link_enc[enc_index]; + + return hpo_dp_link_enc; +} + +bool get_temp_dp_link_res(struct dc_link *link, + struct link_resource *link_res, + struct dc_link_settings *link_settings) +{ + const struct dc *dc = link->dc; + const struct resource_context *res_ctx = &dc->current_state->res_ctx; + + memset(link_res, 0, sizeof(*link_res)); + + if (dp_get_link_encoding_format(link_settings) == DP_128b_132b_ENCODING) { + link_res->hpo_dp_link_enc = get_temp_hpo_dp_link_enc(res_ctx, + dc->res_pool, link); + if (!link_res->hpo_dp_link_enc) + return false; + } + return true; +} + +void reset_syncd_pipes_from_disabled_pipes(struct dc *dc, + struct dc_state *context) +{ + int i, j; + struct pipe_ctx *pipe_ctx_old, *pipe_ctx, *pipe_ctx_syncd; + + /* If pipe backend is reset, need to reset pipe syncd status */ + for (i = 0; i < dc->res_pool->pipe_count; i++) { + pipe_ctx_old = &dc->current_state->res_ctx.pipe_ctx[i]; + pipe_ctx = &context->res_ctx.pipe_ctx[i]; + + if (!pipe_ctx_old->stream) + continue; + + if (pipe_ctx_old->top_pipe || pipe_ctx_old->prev_odm_pipe) + continue; + + if (!pipe_ctx->stream || + pipe_need_reprogram(pipe_ctx_old, pipe_ctx)) { + + /* Reset all the syncd pipes from the disabled pipe */ + for (j = 0; j < dc->res_pool->pipe_count; j++) { + pipe_ctx_syncd = &context->res_ctx.pipe_ctx[j]; + if ((GET_PIPE_SYNCD_FROM_PIPE(pipe_ctx_syncd) == pipe_ctx_old->pipe_idx) || + !IS_PIPE_SYNCD_VALID(pipe_ctx_syncd)) + SET_PIPE_SYNCD_TO_PIPE(pipe_ctx_syncd, j); + } + } + } +} + +void check_syncd_pipes_for_disabled_master_pipe(struct dc *dc, + struct dc_state *context, + uint8_t disabled_master_pipe_idx) +{ + int i; + struct pipe_ctx *pipe_ctx, *pipe_ctx_check; + + pipe_ctx = &context->res_ctx.pipe_ctx[disabled_master_pipe_idx]; + if ((GET_PIPE_SYNCD_FROM_PIPE(pipe_ctx) != disabled_master_pipe_idx) || + !IS_PIPE_SYNCD_VALID(pipe_ctx)) + SET_PIPE_SYNCD_TO_PIPE(pipe_ctx, disabled_master_pipe_idx); + + /* for the pipe disabled, check if any slave pipe exists and assert */ + for (i = 0; i < dc->res_pool->pipe_count; i++) { + pipe_ctx_check = &context->res_ctx.pipe_ctx[i]; + + if ((GET_PIPE_SYNCD_FROM_PIPE(pipe_ctx_check) == disabled_master_pipe_idx) && + IS_PIPE_SYNCD_VALID(pipe_ctx_check) && (i != disabled_master_pipe_idx)) + DC_ERR("DC: Failure: pipe_idx[%d] syncd with disabled master pipe_idx[%d]\n", + i, disabled_master_pipe_idx); + } +} + +void reset_sync_context_for_pipe(const struct dc *dc, + struct dc_state *context, + uint8_t pipe_idx) +{ + int i; + struct pipe_ctx *pipe_ctx_reset; + + /* reset the otg sync context for the pipe and its slave pipes if any */ + for (i = 0; i < dc->res_pool->pipe_count; i++) { + pipe_ctx_reset = &context->res_ctx.pipe_ctx[i]; + + if (((GET_PIPE_SYNCD_FROM_PIPE(pipe_ctx_reset) == pipe_idx) && + IS_PIPE_SYNCD_VALID(pipe_ctx_reset)) || (i == pipe_idx)) + SET_PIPE_SYNCD_TO_PIPE(pipe_ctx_reset, i); + } +} + +uint8_t resource_transmitter_to_phy_idx(const struct dc *dc, enum transmitter transmitter) +{ + /* TODO - get transmitter to phy idx mapping from DMUB */ + uint8_t phy_idx = transmitter - TRANSMITTER_UNIPHY_A; + + if (dc->ctx->dce_version == DCN_VERSION_3_1 && + dc->ctx->asic_id.hw_internal_rev == YELLOW_CARP_B0) { + switch (transmitter) { + case TRANSMITTER_UNIPHY_A: + phy_idx = 0; + break; + case TRANSMITTER_UNIPHY_B: + phy_idx = 1; + break; + case TRANSMITTER_UNIPHY_C: + phy_idx = 5; + break; + case TRANSMITTER_UNIPHY_D: + phy_idx = 6; + break; + case TRANSMITTER_UNIPHY_E: + phy_idx = 4; + break; + default: + phy_idx = 0; + break; + } + } + + return phy_idx; +} + +const struct link_hwss *get_link_hwss(const struct dc_link *link, + const struct link_resource *link_res) +{ + /* Link_hwss is only accessible by getter function instead of accessing + * by pointers in dc with the intent to protect against breaking polymorphism. + */ + if (can_use_hpo_dp_link_hwss(link, link_res)) + /* TODO: some assumes that if decided link settings is 128b/132b + * channel coding format hpo_dp_link_enc should be used. + * Others believe that if hpo_dp_link_enc is available in link + * resource then hpo_dp_link_enc must be used. This bound between + * hpo_dp_link_enc != NULL and decided link settings is loosely coupled + * with a premise that both hpo_dp_link_enc pointer and decided link + * settings are determined based on single policy function like + * "decide_link_settings" from upper layer. This "convention" + * cannot be maintained and enforced at current level. + * Therefore a refactor is due so we can enforce a strong bound + * between those two parameters at this level. + * + * To put it simple, we want to make enforcement at low level so that + * we will not return link hwss if caller plans to do 8b/10b + * with an hpo encoder. Or we can return a very dummy one that doesn't + * do work for all functions + */ + return get_hpo_dp_link_hwss(); + else if (can_use_dpia_link_hwss(link, link_res)) + return get_dpia_link_hwss(); + else if (can_use_dio_link_hwss(link, link_res)) + return get_dio_link_hwss(); + else + return get_virtual_link_hwss(); +} + +bool is_h_timing_divisible_by_2(struct dc_stream_state *stream) +{ + bool divisible = false; + uint16_t h_blank_start = 0; + uint16_t h_blank_end = 0; + + if (stream) { + h_blank_start = stream->timing.h_total - stream->timing.h_front_porch; + h_blank_end = h_blank_start - stream->timing.h_addressable; + + /* HTOTAL, Hblank start/end, and Hsync start/end all must be + * divisible by 2 in order for the horizontal timing params + * to be considered divisible by 2. Hsync start is always 0. + */ + divisible = (stream->timing.h_total % 2 == 0) && + (h_blank_start % 2 == 0) && + (h_blank_end % 2 == 0) && + (stream->timing.h_sync_width % 2 == 0); + } + return divisible; +} + +bool dc_resource_acquire_secondary_pipe_for_mpc_odm( + const struct dc *dc, + struct dc_state *state, + struct pipe_ctx *pri_pipe, + struct pipe_ctx *sec_pipe, + bool odm) +{ + int pipe_idx = sec_pipe->pipe_idx; + struct pipe_ctx *sec_top, *sec_bottom, *sec_next, *sec_prev; + const struct resource_pool *pool = dc->res_pool; + + sec_top = sec_pipe->top_pipe; + sec_bottom = sec_pipe->bottom_pipe; + sec_next = sec_pipe->next_odm_pipe; + sec_prev = sec_pipe->prev_odm_pipe; + + *sec_pipe = *pri_pipe; + + sec_pipe->top_pipe = sec_top; + sec_pipe->bottom_pipe = sec_bottom; + sec_pipe->next_odm_pipe = sec_next; + sec_pipe->prev_odm_pipe = sec_prev; + + sec_pipe->pipe_idx = pipe_idx; + sec_pipe->plane_res.mi = pool->mis[pipe_idx]; + sec_pipe->plane_res.hubp = pool->hubps[pipe_idx]; + sec_pipe->plane_res.ipp = pool->ipps[pipe_idx]; + sec_pipe->plane_res.xfm = pool->transforms[pipe_idx]; + sec_pipe->plane_res.dpp = pool->dpps[pipe_idx]; + sec_pipe->plane_res.mpcc_inst = pool->dpps[pipe_idx]->inst; + sec_pipe->stream_res.dsc = NULL; + if (odm) { + if (!sec_pipe->top_pipe) + sec_pipe->stream_res.opp = pool->opps[pipe_idx]; + else + sec_pipe->stream_res.opp = sec_pipe->top_pipe->stream_res.opp; + if (sec_pipe->stream->timing.flags.DSC == 1) { +#if defined(CONFIG_DRM_AMD_DC_DCN) + dcn20_acquire_dsc(dc, &state->res_ctx, &sec_pipe->stream_res.dsc, pipe_idx); +#endif + ASSERT(sec_pipe->stream_res.dsc); + if (sec_pipe->stream_res.dsc == NULL) + return false; + } +#if defined(CONFIG_DRM_AMD_DC_DCN) + dcn20_build_mapped_resource(dc, state, sec_pipe->stream); +#endif + } + + return true; +} |