diff options
Diffstat (limited to '0040-drm-amd-display-For-stereo-keep-FLIP_ANY_FRAME.patch')
| -rw-r--r-- | 0040-drm-amd-display-For-stereo-keep-FLIP_ANY_FRAME.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/0040-drm-amd-display-For-stereo-keep-FLIP_ANY_FRAME.patch b/0040-drm-amd-display-For-stereo-keep-FLIP_ANY_FRAME.patch new file mode 100644 index 000000000000..9708bf39d1da --- /dev/null +++ b/0040-drm-amd-display-For-stereo-keep-FLIP_ANY_FRAME.patch @@ -0,0 +1,38 @@ +From c6f7ba837efc8f12c51aecaf9570d86adb80ab90 Mon Sep 17 00:00:00 2001 +From: Alvin Lee <alvin.lee2@amd.com> +Date: Thu, 28 Jul 2022 09:51:05 -0400 +Subject: [PATCH 40/73] drm/amd/display: For stereo keep "FLIP_ANY_FRAME" + +[ Upstream commit 84ef99c728079dfd21d6bc70b4c3e4af20602b3c ] + +[Description] +Observed in stereomode that programming FLIP_LEFT_EYE +can cause hangs. Keep FLIP_ANY_FRAME in stereo mode so +the surface flip can take place before left or right eye + +Reviewed-by: Martin Leung <Martin.Leung@amd.com> +Acked-by: Tom Chung <chiahsuan.chung@amd.com> +Signed-off-by: Alvin Lee <alvin.lee2@amd.com> +Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Sasha Levin <sashal@kernel.org> +--- + drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c +index 6a4dcafb9bba..dc3e8df706b3 100644 +--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c ++++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c +@@ -86,7 +86,7 @@ bool hubp3_program_surface_flip_and_addr( + VMID, address->vmid); + + if (address->type == PLN_ADDR_TYPE_GRPH_STEREO) { +- REG_UPDATE(DCSURF_FLIP_CONTROL, SURFACE_FLIP_MODE_FOR_STEREOSYNC, 0x1); ++ REG_UPDATE(DCSURF_FLIP_CONTROL, SURFACE_FLIP_MODE_FOR_STEREOSYNC, 0); + REG_UPDATE(DCSURF_FLIP_CONTROL, SURFACE_FLIP_IN_STEREOSYNC, 0x1); + + } else { +-- +2.37.3 + |