From baa09d67bddfeb667867c2812d840e7809ab9424 Mon Sep 17 00:00:00 2001 From: jsg Date: Mon, 25 Sep 2023 03:08:12 +0000 Subject: [PATCH] drm/amd/display: Blocking invalid 420 modes on HDMI TMDS for DCN31 From Leo Chen 2c0f5b6972ebfd6224065fd3c59d04f85a8af795 in linux-6.1.y/6.1.55 026a71babf48efb6b9884a3a66fa31aec9e1ea54 in mainline linux --- .../pci/drm/amd/display/dc/dml/dcn31/display_mode_vba_31.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/sys/dev/pci/drm/amd/display/dc/dml/dcn31/display_mode_vba_31.c b/sys/dev/pci/drm/amd/display/dc/dml/dcn31/display_mode_vba_31.c index ebc04b72b28..9c84561ff3b 100644 --- a/sys/dev/pci/drm/amd/display/dc/dml/dcn31/display_mode_vba_31.c +++ b/sys/dev/pci/drm/amd/display/dc/dml/dcn31/display_mode_vba_31.c @@ -4133,7 +4133,9 @@ void dml31_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l } if (v->OutputFormat[k] == dm_420 && v->HActive[k] > DCN31_MAX_FMT_420_BUFFER_WIDTH && v->ODMCombineEnablePerState[i][k] != dm_odm_combine_mode_4to1) { - if (v->HActive[k] / 2 > DCN31_MAX_FMT_420_BUFFER_WIDTH) { + if (v->Output[k] == dm_hdmi) { + FMTBufferExceeded = true; + } else if (v->HActive[k] / 2 > DCN31_MAX_FMT_420_BUFFER_WIDTH) { v->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_4to1; v->PlaneRequiredDISPCLK = v->PlaneRequiredDISPCLKWithODMCombine4To1; -- 2.20.1