diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/0027-drm-amd-display-Block-3D-Timings.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/0027-drm-amd-display-Block-3D-Timings.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/0027-drm-amd-display-Block-3D-Timings.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/0027-drm-amd-display-Block-3D-Timings.patch new file mode 100644 index 00000000..f444fbec --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/0027-drm-amd-display-Block-3D-Timings.patch @@ -0,0 +1,38 @@ +From b24d0a2fa8e2b9cbbcbf84cad50c892c209ed6e0 Mon Sep 17 00:00:00 2001 +From: Joshua Aberback <Joshua.Aberback@amd.com> +Date: Tue, 29 Nov 2016 17:56:05 -0500 +Subject: [PATCH 0027/4131] drm/amd/display: Block 3D Timings + +- we don't yet support 3D timings in DAL3 +- somehow a code path was being executed that resulted in HW programming +for a 3D timing, which caused 3D displays to show half the desktop in one +frame, and the other half of the desktop in the next frame +- blocking all 3D timings in timing generator validation until we +implement proper 3D timing support + +Signed-off-by: Joshua Aberback <Joshua.Aberback@amd.com> +Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> +Acked-by: Harry Wentland <Harry.Wentland@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c | 4 ++++ + 1 file changed, 4 insertions(+) + +diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c +index b1c9712..12a2587 100644 +--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c ++++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c +@@ -1113,6 +1113,10 @@ bool dce110_timing_generator_validate_timing( + if (!timing) + return false; + ++ /* Currently we don't support 3D, so block all 3D timings */ ++ if (timing->timing_3d_format != TIMING_3D_FORMAT_NONE) ++ return false; ++ + /* Check maximum number of pixels supported by Timing Generator + * (Currently will never fail, in order to fail needs display which + * needs more than 8192 horizontal and +-- +2.7.4 + |