From d73aec401fd884a6abe20858cbe95892f796b8d2 Mon Sep 17 00:00:00 2001 From: Alvin Lee Date: Tue, 1 Nov 2022 16:10:49 -0400 Subject: [PATCH] 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: Dillon Varone Acked-by: Tom Chung Signed-off-by: Alvin Lee Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c index 244fd15d24b43..7aaf67b464e0d 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c @@ -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; } } -- 2.30.2