diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index fe4fd664f40c..97703f8482b3 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -1559,9 +1559,10 @@ bool perform_link_training_with_retries( pipe_ctx->clock_source->id, link_setting); - if (stream->sink_patches.dppowerup_delay > 0) { - int delay_dp_power_up_in_ms = stream->sink_patches.dppowerup_delay; - + if ((link && link->dc->debug.dppowerup_delay > 0) || stream->sink_patches.dppowerup_delay > 0) { + int delay_dp_power_up_in_ms = + (link->dc->debug.dppowerup_delay >= stream->sink_patches.dppowerup_delay) ? + link->dc->debug.dppowerup_delay : stream->sink_patches.dppowerup_delay; msleep(delay_dp_power_up_in_ms); } diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 8cdbfa15874b..9138adf63f9f 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -498,6 +498,7 @@ struct dc_debug_options { bool usbc_combo_phy_reset_wa; bool disable_dsc; bool enable_dram_clock_change_one_display_vactive; + unsigned int dppowerup_delay; }; struct dc_debug_data {