Commit d73aec40 authored by Alvin Lee's avatar Alvin Lee Committed by Alex Deucher
Browse files

drm/amd/display: Don't check output BPP for phantom 



[Description]
- If we're enabling phantom pipe for a high
  link rate display we could
  fail DML on the phantom pipe since it's
  set to virtual signal
- Therefore don't consider Output BPP for
  phantom pipe

Reviewed-by: default avatarDillon Varone <Dillon.Varone@amd.com>
Acked-by: default avatarTom Chung <chiahsuan.chung@amd.com>
Signed-off-by: default avatarAlvin Lee <Alvin.Lee2@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 655435df

drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c

+1 −1
Original line number Diff line number Diff line
@@ -2284,7 +2284,7 @@ void dml32_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l 
					&& (mode_lib->vba.Output[k] == dm_dp || mode_lib->vba.Output[k] == dm_dp2p0

							|| mode_lib->vba.Output[k] == dm_edp

							|| mode_lib->vba.Output[k] == dm_hdmi)

					&& mode_lib->vba.OutputBppPerState[i][k] == 0) {

					&& mode_lib->vba.OutputBppPerState[i][k] == 0 && (mode_lib->vba.UsesMALLForPStateChange[k] != dm_use_mall_pstate_change_phantom_pipe)) {

				mode_lib->vba.LinkCapacitySupport[i] = false;

			}

		}