Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 500 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c
new file mode 100644
index 000000000..4704c9c85
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c
@@ -0,0 +1,500 @@
+/*
+ * Copyright 2019 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 "dmub_psr.h"
+#include "dc.h"
+#include "dc_dmub_srv.h"
+#include "dmub/dmub_srv.h"
+#include "core_types.h"
+
+#define DC_TRACE_LEVEL_MESSAGE(...)	do {} while (0) /* do nothing */
+
+#define MAX_PIPES 6
+
+static const uint8_t DP_SINK_DEVICE_STR_ID_1[] = {7, 1, 8, 7, 3};
+static const uint8_t DP_SINK_DEVICE_STR_ID_2[] = {7, 1, 8, 7, 5};
+
+/*
+ * Convert dmcub psr state to dmcu psr state.
+ */
+static enum dc_psr_state convert_psr_state(uint32_t raw_state)
+{
+	enum dc_psr_state state = PSR_STATE0;
+
+	if (raw_state == 0)
+		state = PSR_STATE0;
+	else if (raw_state == 0x10)
+		state = PSR_STATE1;
+	else if (raw_state == 0x11)
+		state = PSR_STATE1a;
+	else if (raw_state == 0x20)
+		state = PSR_STATE2;
+	else if (raw_state == 0x21)
+		state = PSR_STATE2a;
+	else if (raw_state == 0x22)
+		state = PSR_STATE2b;
+	else if (raw_state == 0x30)
+		state = PSR_STATE3;
+	else if (raw_state == 0x31)
+		state = PSR_STATE3Init;
+	else if (raw_state == 0x40)
+		state = PSR_STATE4;
+	else if (raw_state == 0x41)
+		state = PSR_STATE4a;
+	else if (raw_state == 0x42)
+		state = PSR_STATE4b;
+	else if (raw_state == 0x43)
+		state = PSR_STATE4c;
+	else if (raw_state == 0x44)
+		state = PSR_STATE4d;
+	else if (raw_state == 0x50)
+		state = PSR_STATE5;
+	else if (raw_state == 0x51)
+		state = PSR_STATE5a;
+	else if (raw_state == 0x52)
+		state = PSR_STATE5b;
+	else if (raw_state == 0x53)
+		state = PSR_STATE5c;
+	else if (raw_state == 0x4A)
+		state = PSR_STATE4_FULL_FRAME;
+	else if (raw_state == 0x4B)
+		state = PSR_STATE4a_FULL_FRAME;
+	else if (raw_state == 0x4C)
+		state = PSR_STATE4b_FULL_FRAME;
+	else if (raw_state == 0x4D)
+		state = PSR_STATE4c_FULL_FRAME;
+	else if (raw_state == 0x4E)
+		state = PSR_STATE4_FULL_FRAME_POWERUP;
+	else if (raw_state == 0x4F)
+		state = PSR_STATE4_FULL_FRAME_HW_LOCK;
+	else if (raw_state == 0x60)
+		state = PSR_STATE_HWLOCK_MGR;
+	else if (raw_state == 0x61)
+		state = PSR_STATE_POLLVUPDATE;
+	else
+		state = PSR_STATE_INVALID;
+
+	return state;
+}
+
+/*
+ * Get PSR state from firmware.
+ */
+static void dmub_psr_get_state(struct dmub_psr *dmub, enum dc_psr_state *state, uint8_t panel_inst)
+{
+	struct dmub_srv *srv = dmub->ctx->dmub_srv->dmub;
+	uint32_t raw_state = 0;
+	uint32_t retry_count = 0;
+	enum dmub_status status;
+
+	do {
+		// Send gpint command and wait for ack
+		status = dmub_srv_send_gpint_command(srv, DMUB_GPINT__GET_PSR_STATE, panel_inst, 30);
+
+		if (status == DMUB_STATUS_OK) {
+			// GPINT was executed, get response
+			dmub_srv_get_gpint_response(srv, &raw_state);
+			*state = convert_psr_state(raw_state);
+		} else
+			// Return invalid state when GPINT times out
+			*state = PSR_STATE_INVALID;
+
+	} while (++retry_count <= 1000 && *state == PSR_STATE_INVALID);
+
+	// Assert if max retry hit
+	if (retry_count >= 1000 && *state == PSR_STATE_INVALID) {
+		ASSERT(0);
+		DC_TRACE_LEVEL_MESSAGE(DAL_TRACE_LEVEL_ERROR,
+				WPP_BIT_FLAG_Firmware_PsrState,
+				"Unable to get PSR state from FW.");
+	} else
+		DC_TRACE_LEVEL_MESSAGE(DAL_TRACE_LEVEL_VERBOSE,
+				WPP_BIT_FLAG_Firmware_PsrState,
+				"Got PSR state from FW. PSR state: %d, Retry count: %d",
+				*state, retry_count);
+}
+
+/*
+ * Set PSR version.
+ */
+static bool dmub_psr_set_version(struct dmub_psr *dmub, struct dc_stream_state *stream, uint8_t panel_inst)
+{
+	union dmub_rb_cmd cmd;
+	struct dc_context *dc = dmub->ctx;
+
+	if (stream->link->psr_settings.psr_version == DC_PSR_VERSION_UNSUPPORTED)
+		return false;
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.psr_set_version.header.type = DMUB_CMD__PSR;
+	cmd.psr_set_version.header.sub_type = DMUB_CMD__PSR_SET_VERSION;
+	switch (stream->link->psr_settings.psr_version) {
+	case DC_PSR_VERSION_1:
+		cmd.psr_set_version.psr_set_version_data.version = PSR_VERSION_1;
+		break;
+	case DC_PSR_VERSION_SU_1:
+		cmd.psr_set_version.psr_set_version_data.version = PSR_VERSION_SU_1;
+		break;
+	case DC_PSR_VERSION_UNSUPPORTED:
+	default:
+		cmd.psr_set_version.psr_set_version_data.version = PSR_VERSION_UNSUPPORTED;
+		break;
+	}
+
+	if (cmd.psr_set_version.psr_set_version_data.version == PSR_VERSION_UNSUPPORTED)
+		return false;
+
+	cmd.psr_set_version.psr_set_version_data.cmd_version = DMUB_CMD_PSR_CONTROL_VERSION_1;
+	cmd.psr_set_version.psr_set_version_data.panel_inst = panel_inst;
+	cmd.psr_set_version.header.payload_bytes = sizeof(struct dmub_cmd_psr_set_version_data);
+
+	dm_execute_dmub_cmd(dc, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
+
+	return true;
+}
+
+/*
+ * Enable/Disable PSR.
+ */
+static void dmub_psr_enable(struct dmub_psr *dmub, bool enable, bool wait, uint8_t panel_inst)
+{
+	union dmub_rb_cmd cmd;
+	struct dc_context *dc = dmub->ctx;
+	uint32_t retry_count;
+	enum dc_psr_state state = PSR_STATE0;
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.psr_enable.header.type = DMUB_CMD__PSR;
+
+	cmd.psr_enable.data.cmd_version = DMUB_CMD_PSR_CONTROL_VERSION_1;
+	cmd.psr_enable.data.panel_inst = panel_inst;
+
+	if (enable)
+		cmd.psr_enable.header.sub_type = DMUB_CMD__PSR_ENABLE;
+	else
+		cmd.psr_enable.header.sub_type = DMUB_CMD__PSR_DISABLE;
+
+	cmd.psr_enable.header.payload_bytes = 0; // Send header only
+
+	dm_execute_dmub_cmd(dc->dmub_srv->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
+
+	/* Below loops 1000 x 500us = 500 ms.
+	 *  Exit PSR may need to wait 1-2 frames to power up. Timeout after at
+	 *  least a few frames. Should never hit the max retry assert below.
+	 */
+	if (wait) {
+		for (retry_count = 0; retry_count <= 1000; retry_count++) {
+			dmub_psr_get_state(dmub, &state, panel_inst);
+
+			if (enable) {
+				if (state != PSR_STATE0)
+					break;
+			} else {
+				if (state == PSR_STATE0)
+					break;
+			}
+
+			/* must *not* be fsleep - this can be called from high irq levels */
+			udelay(500);
+		}
+
+		/* assert if max retry hit */
+		if (retry_count >= 1000)
+			ASSERT(0);
+	}
+}
+
+/*
+ * Set PSR level.
+ */
+static void dmub_psr_set_level(struct dmub_psr *dmub, uint16_t psr_level, uint8_t panel_inst)
+{
+	union dmub_rb_cmd cmd;
+	enum dc_psr_state state = PSR_STATE0;
+	struct dc_context *dc = dmub->ctx;
+
+	dmub_psr_get_state(dmub, &state, panel_inst);
+
+	if (state == PSR_STATE0)
+		return;
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.psr_set_level.header.type = DMUB_CMD__PSR;
+	cmd.psr_set_level.header.sub_type = DMUB_CMD__PSR_SET_LEVEL;
+	cmd.psr_set_level.header.payload_bytes = sizeof(struct dmub_cmd_psr_set_level_data);
+	cmd.psr_set_level.psr_set_level_data.psr_level = psr_level;
+	cmd.psr_set_level.psr_set_level_data.cmd_version = DMUB_CMD_PSR_CONTROL_VERSION_1;
+	cmd.psr_set_level.psr_set_level_data.panel_inst = panel_inst;
+	dm_execute_dmub_cmd(dc, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
+}
+
+/*
+ * Set PSR vtotal requirement for FreeSync PSR.
+ */
+static void dmub_psr_set_sink_vtotal_in_psr_active(struct dmub_psr *dmub,
+		uint16_t psr_vtotal_idle, uint16_t psr_vtotal_su)
+{
+	union dmub_rb_cmd cmd;
+	struct dc_context *dc = dmub->ctx;
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.psr_set_vtotal.header.type = DMUB_CMD__PSR;
+	cmd.psr_set_vtotal.header.sub_type = DMUB_CMD__SET_SINK_VTOTAL_IN_PSR_ACTIVE;
+	cmd.psr_set_vtotal.header.payload_bytes = sizeof(struct dmub_cmd_psr_set_vtotal_data);
+	cmd.psr_set_vtotal.psr_set_vtotal_data.psr_vtotal_idle = psr_vtotal_idle;
+	cmd.psr_set_vtotal.psr_set_vtotal_data.psr_vtotal_su = psr_vtotal_su;
+
+	dm_execute_dmub_cmd(dc, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
+}
+
+/*
+ * Set PSR power optimization flags.
+ */
+static void dmub_psr_set_power_opt(struct dmub_psr *dmub, unsigned int power_opt, uint8_t panel_inst)
+{
+	union dmub_rb_cmd cmd;
+	struct dc_context *dc = dmub->ctx;
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.psr_set_power_opt.header.type = DMUB_CMD__PSR;
+	cmd.psr_set_power_opt.header.sub_type = DMUB_CMD__SET_PSR_POWER_OPT;
+	cmd.psr_set_power_opt.header.payload_bytes = sizeof(struct dmub_cmd_psr_set_power_opt_data);
+	cmd.psr_set_power_opt.psr_set_power_opt_data.cmd_version = DMUB_CMD_PSR_CONTROL_VERSION_1;
+	cmd.psr_set_power_opt.psr_set_power_opt_data.power_opt = power_opt;
+	cmd.psr_set_power_opt.psr_set_power_opt_data.panel_inst = panel_inst;
+
+	dm_execute_dmub_cmd(dc, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
+}
+
+/*
+ * Setup PSR by programming phy registers and sending psr hw context values to firmware.
+ */
+static bool dmub_psr_copy_settings(struct dmub_psr *dmub,
+		struct dc_link *link,
+		struct psr_context *psr_context,
+		uint8_t panel_inst)
+{
+	union dmub_rb_cmd cmd;
+	struct dc_context *dc = dmub->ctx;
+	struct dmub_cmd_psr_copy_settings_data *copy_settings_data
+		= &cmd.psr_copy_settings.psr_copy_settings_data;
+	struct pipe_ctx *pipe_ctx = NULL;
+	struct resource_context *res_ctx = &link->ctx->dc->current_state->res_ctx;
+	int i = 0;
+
+	for (i = 0; i < MAX_PIPES; i++) {
+		if (res_ctx->pipe_ctx[i].stream &&
+		    res_ctx->pipe_ctx[i].stream->link == link &&
+		    res_ctx->pipe_ctx[i].stream->link->connector_signal == SIGNAL_TYPE_EDP) {
+			pipe_ctx = &res_ctx->pipe_ctx[i];
+			//TODO: refactor for multi edp support
+			break;
+		}
+	}
+
+	if (!pipe_ctx)
+		return false;
+
+	// First, set the psr version
+	if (!dmub_psr_set_version(dmub, pipe_ctx->stream, panel_inst))
+		return false;
+
+	// Program DP DPHY fast training registers
+	link->link_enc->funcs->psr_program_dp_dphy_fast_training(link->link_enc,
+			psr_context->psrExitLinkTrainingRequired);
+
+	// Program DP_SEC_CNTL1 register to set transmission GPS0 line num and priority to high
+	link->link_enc->funcs->psr_program_secondary_packet(link->link_enc,
+			psr_context->sdpTransmitLineNumDeadline);
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.psr_copy_settings.header.type = DMUB_CMD__PSR;
+	cmd.psr_copy_settings.header.sub_type = DMUB_CMD__PSR_COPY_SETTINGS;
+	cmd.psr_copy_settings.header.payload_bytes = sizeof(struct dmub_cmd_psr_copy_settings_data);
+
+	// Hw insts
+	copy_settings_data->dpphy_inst				= psr_context->transmitterId;
+	copy_settings_data->aux_inst				= psr_context->channel;
+	copy_settings_data->digfe_inst				= psr_context->engineId;
+	copy_settings_data->digbe_inst				= psr_context->transmitterId;
+
+	copy_settings_data->mpcc_inst				= pipe_ctx->plane_res.mpcc_inst;
+
+	if (pipe_ctx->plane_res.dpp)
+		copy_settings_data->dpp_inst			= pipe_ctx->plane_res.dpp->inst;
+	else
+		copy_settings_data->dpp_inst			= 0;
+	if (pipe_ctx->stream_res.opp)
+		copy_settings_data->opp_inst			= pipe_ctx->stream_res.opp->inst;
+	else
+		copy_settings_data->opp_inst			= 0;
+	if (pipe_ctx->stream_res.tg)
+		copy_settings_data->otg_inst			= pipe_ctx->stream_res.tg->inst;
+	else
+		copy_settings_data->otg_inst			= 0;
+
+	// Misc
+	copy_settings_data->use_phy_fsm             = link->ctx->dc->debug.psr_power_use_phy_fsm;
+	copy_settings_data->psr_level				= psr_context->psr_level.u32all;
+	copy_settings_data->smu_optimizations_en		= psr_context->allow_smu_optimizations;
+	copy_settings_data->multi_disp_optimizations_en	= psr_context->allow_multi_disp_optimizations;
+	copy_settings_data->frame_delay				= psr_context->frame_delay;
+	copy_settings_data->frame_cap_ind			= psr_context->psrFrameCaptureIndicationReq;
+	copy_settings_data->init_sdp_deadline			= psr_context->sdpTransmitLineNumDeadline;
+	copy_settings_data->debug.u32All = 0;
+	copy_settings_data->debug.bitfields.visual_confirm	= dc->dc->debug.visual_confirm == VISUAL_CONFIRM_PSR;
+	copy_settings_data->debug.bitfields.use_hw_lock_mgr		= 1;
+	copy_settings_data->debug.bitfields.force_full_frame_update	= 0;
+
+	if (psr_context->su_granularity_required == 0)
+		copy_settings_data->su_y_granularity = 0;
+	else
+		copy_settings_data->su_y_granularity = psr_context->su_y_granularity;
+
+	copy_settings_data->line_capture_indication = 0;
+	copy_settings_data->line_time_in_us = psr_context->line_time_in_us;
+	copy_settings_data->rate_control_caps = psr_context->rate_control_caps;
+	copy_settings_data->fec_enable_status = (link->fec_state == dc_link_fec_enabled);
+	copy_settings_data->fec_enable_delay_in100us = link->dc->debug.fec_enable_delay_in100us;
+	copy_settings_data->cmd_version =  DMUB_CMD_PSR_CONTROL_VERSION_1;
+	copy_settings_data->panel_inst = panel_inst;
+	copy_settings_data->dsc_enable_status = (pipe_ctx->stream->timing.flags.DSC == 1);
+
+	/**
+	 * WA for PSRSU+DSC on specific TCON, if DSC is enabled, force PSRSU as ffu mode(full frame update)
+	 * Note that PSRSU+DSC is still under development.
+	 */
+	if (copy_settings_data->dsc_enable_status &&
+		link->dpcd_caps.sink_dev_id == DP_DEVICE_ID_38EC11 &&
+		!memcmp(link->dpcd_caps.sink_dev_id_str, DP_SINK_DEVICE_STR_ID_1,
+			sizeof(DP_SINK_DEVICE_STR_ID_1)))
+		link->psr_settings.force_ffu_mode = 1;
+	else
+		link->psr_settings.force_ffu_mode = 0;
+	copy_settings_data->force_ffu_mode = link->psr_settings.force_ffu_mode;
+
+	if (((link->dpcd_caps.fec_cap.bits.FEC_CAPABLE &&
+		!link->dc->debug.disable_fec) &&
+		(link->dpcd_caps.dsc_caps.dsc_basic_caps.fields.dsc_support.DSC_SUPPORT &&
+		!link->panel_config.dsc.disable_dsc_edp &&
+		link->dc->caps.edp_dsc_support)) &&
+		link->dpcd_caps.sink_dev_id == DP_DEVICE_ID_38EC11 &&
+		(!memcmp(link->dpcd_caps.sink_dev_id_str, DP_SINK_DEVICE_STR_ID_1,
+			sizeof(DP_SINK_DEVICE_STR_ID_1)) ||
+		!memcmp(link->dpcd_caps.sink_dev_id_str, DP_SINK_DEVICE_STR_ID_2,
+			sizeof(DP_SINK_DEVICE_STR_ID_2))))
+		copy_settings_data->debug.bitfields.force_wakeup_by_tps3 = 1;
+	else
+		copy_settings_data->debug.bitfields.force_wakeup_by_tps3 = 0;
+
+	//WA for PSR1 on specific TCON, require frame delay for frame re-lock
+	copy_settings_data->relock_delay_frame_cnt = 0;
+	if (link->dpcd_caps.sink_dev_id == DP_BRANCH_DEVICE_ID_001CF8)
+		copy_settings_data->relock_delay_frame_cnt = 2;
+	copy_settings_data->dsc_slice_height = psr_context->dsc_slice_height;
+
+	dm_execute_dmub_cmd(dc, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
+
+	return true;
+}
+
+/*
+ * Send command to PSR to force static ENTER and ignore all state changes until exit
+ */
+static void dmub_psr_force_static(struct dmub_psr *dmub, uint8_t panel_inst)
+{
+	union dmub_rb_cmd cmd;
+	struct dc_context *dc = dmub->ctx;
+
+	memset(&cmd, 0, sizeof(cmd));
+
+	cmd.psr_force_static.psr_force_static_data.panel_inst = panel_inst;
+	cmd.psr_force_static.psr_force_static_data.cmd_version = DMUB_CMD_PSR_CONTROL_VERSION_1;
+	cmd.psr_force_static.header.type = DMUB_CMD__PSR;
+	cmd.psr_force_static.header.sub_type = DMUB_CMD__PSR_FORCE_STATIC;
+	cmd.psr_enable.header.payload_bytes = 0;
+
+	dm_execute_dmub_cmd(dc, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
+}
+
+/*
+ * Get PSR residency from firmware.
+ */
+static void dmub_psr_get_residency(struct dmub_psr *dmub, uint32_t *residency, uint8_t panel_inst)
+{
+	struct dmub_srv *srv = dmub->ctx->dmub_srv->dmub;
+	uint16_t param = (uint16_t)(panel_inst << 8);
+
+	/* Send gpint command and wait for ack */
+	dmub_srv_send_gpint_command(srv, DMUB_GPINT__PSR_RESIDENCY, param, 30);
+
+	dmub_srv_get_gpint_response(srv, residency);
+}
+
+static const struct dmub_psr_funcs psr_funcs = {
+	.psr_copy_settings		= dmub_psr_copy_settings,
+	.psr_enable			= dmub_psr_enable,
+	.psr_get_state			= dmub_psr_get_state,
+	.psr_set_level			= dmub_psr_set_level,
+	.psr_force_static		= dmub_psr_force_static,
+	.psr_get_residency		= dmub_psr_get_residency,
+	.psr_set_sink_vtotal_in_psr_active	= dmub_psr_set_sink_vtotal_in_psr_active,
+	.psr_set_power_opt		= dmub_psr_set_power_opt,
+};
+
+/*
+ * Construct PSR object.
+ */
+static void dmub_psr_construct(struct dmub_psr *psr, struct dc_context *ctx)
+{
+	psr->ctx = ctx;
+	psr->funcs = &psr_funcs;
+}
+
+/*
+ * Allocate and initialize PSR object.
+ */
+struct dmub_psr *dmub_psr_create(struct dc_context *ctx)
+{
+	struct dmub_psr *psr = kzalloc(sizeof(struct dmub_psr), GFP_KERNEL);
+
+	if (psr == NULL) {
+		BREAK_TO_DEBUGGER();
+		return NULL;
+	}
+
+	dmub_psr_construct(psr, ctx);
+
+	return psr;
+}
+
+/*
+ * Deallocate PSR object.
+ */
+void dmub_psr_destroy(struct dmub_psr **dmub)
+{
+	kfree(*dmub);
+	*dmub = NULL;
+}