Commit 4588f7b7 authored by Stylon Wang's avatar Stylon Wang Committed by Alex Deucher
Browse files

drm/amd/display: Enable ASSR in DM 



This patch enables ASSR if display declares such support in DPCD.

Signed-off-by: default avatarStylon Wang <stylon.wang@amd.com>
Reviewed-by: default avatarRodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent f8f70c13

drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c

+16 −0
Original line number Diff line number Diff line
@@ -1669,6 +1669,22 @@ bool perform_link_training_with_retries( 
			msleep(delay_dp_power_up_in_ms);

		}



#ifdef CONFIG_DRM_AMD_DC_HDCP

		if (panel_mode == DP_PANEL_MODE_EDP) {

			struct cp_psp *cp_psp = &stream->ctx->cp_psp;



			if (cp_psp && cp_psp->funcs.enable_assr) {

				if (!cp_psp->funcs.enable_assr(cp_psp->handle, link)) {

					/* since eDP implies ASSR on, change panel

					 * mode to disable ASSR

					 */

					panel_mode = DP_PANEL_MODE_DEFAULT;

				}

			} else

				panel_mode = DP_PANEL_MODE_DEFAULT;

		}

#endif



		dp_set_panel_mode(link, panel_mode);



		if (link->aux_access_disabled) {