drm/amd/display: Add visual confirm for Idle State

[Why]
Visual Confirm would tell us if it ever
entered idle state.

[How]
Add debug option for IPS visual confirm

Reviewed-by: Ovidiu Bunea <[email protected]>
Signed-off-by: Jerry Zuo <[email protected]>
Signed-off-by: Duncan Ma <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

Author: Duncan Ma

drivers/gpu/drm/amd/display/dc/dc.h

@@ -1056,6 +1056,7 @@ struct dc_debug_options {
 	unsigned int force_sharpness;
 	unsigned int force_lls;
 	bool notify_dpia_hr_bw;
+	bool enable_ips_visual_confirm;
 };
 
 

drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c

@@ -363,6 +363,7 @@ static bool dmub_psr_copy_settings(struct dmub_psr *dmub,
 	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;
+	copy_settings_data->debug.bitfields.enable_ips_visual_confirm = dc->dc->debug.enable_ips_visual_confirm;
 
 	if (psr_context->su_granularity_required == 0)
 		copy_settings_data->su_y_granularity = 0;

drivers/gpu/drm/amd/display/dc/dce/dmub_replay.c

@@ -167,6 +167,8 @@ static bool dmub_replay_copy_settings(struct dmub_replay *dmub,
 	copy_settings_data->smu_optimizations_en		= link->replay_settings.replay_smu_opt_enable;
 	copy_settings_data->replay_timing_sync_supported = link->replay_settings.config.replay_timing_sync_supported;
 
+	copy_settings_data->debug.bitfields.enable_ips_visual_confirm = dc->dc->debug.enable_ips_visual_confirm;
+
 	copy_settings_data->flags.u32All = 0;
 	copy_settings_data->flags.bitfields.fec_enable_status = (link->fec_state == dc_link_fec_enabled);
 	copy_settings_data->flags.bitfields.dsc_enable_status = (pipe_ctx->stream->timing.flags.DSC == 1);

drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h

@@ -336,6 +336,10 @@ union dmub_psr_debug_flags {
 		 */
 		uint32_t back_to_back_flip : 1;
 
+		/**
+		 * Enable visual confirm for IPS
+		 */
+		uint32_t enable_ips_visual_confirm : 1;
 	} bitfields;
 
 	/**