diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4263-drm-amd-display-Apply-vactive-dram-clock-change-work.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4263-drm-amd-display-Apply-vactive-dram-clock-change-work.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4263-drm-amd-display-Apply-vactive-dram-clock-change-work.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4263-drm-amd-display-Apply-vactive-dram-clock-change-work.patch new file mode 100644 index 00000000..01984706 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4263-drm-amd-display-Apply-vactive-dram-clock-change-work.patch @@ -0,0 +1,33 @@ +From b1e8156d48159d180922edeb7083e491477ebcca Mon Sep 17 00:00:00 2001 +From: Joshua Aberback <joshua.aberback@amd.com> +Date: Fri, 11 Oct 2019 15:49:07 -0400 +Subject: [PATCH 4263/4736] drm/amd/display: Apply vactive dram clock change + workaround to dcn2 DMLv2 + +[Why] +This workaround was put in dcn2 DMLv1, and now we need it in DMLv2. + +Signed-off-by: Joshua Aberback <joshua.aberback@amd.com> +Reviewed-by: Jun Lei <Jun.Lei@amd.com> +Acked-by: Leo Li <sunpeng.li@amd.com> +--- + .../gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c +index 841ed6c23f93..3c70dd577292 100644 +--- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c ++++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c +@@ -2611,7 +2611,8 @@ static void dml20v2_DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndP + mode_lib->vba.MinActiveDRAMClockChangeMargin + + mode_lib->vba.DRAMClockChangeLatency; + +- if (mode_lib->vba.MinActiveDRAMClockChangeMargin > 0) { ++ if (mode_lib->vba.MinActiveDRAMClockChangeMargin > 50) { ++ mode_lib->vba.DRAMClockChangeWatermark += 25; + mode_lib->vba.DRAMClockChangeSupport[0][0] = dm_dram_clock_change_vactive; + } else { + if (mode_lib->vba.SynchronizedVBlank || mode_lib->vba.NumberOfActivePlanes == 1) { +-- +2.17.1 + |