diff options
| author | Anthony Wang <anthony1.wang@amd.com> | 2021-03-31 18:03:35 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-19 11:12:56 +0300 |
| commit | f9bc5e3f3f756d9a55fe950f975748d51130dcca (patch) | |
| tree | 7c5e38a8d463ffe8a74c722245fdbb80fa7b88b0 /drivers | |
| parent | 63e9abe35df9415b8d47d9c20358e46251b13e8f (diff) | |
| download | linux-f9bc5e3f3f756d9a55fe950f975748d51130dcca.tar.xz | |
drm/amd/display: Force vsync flip when reconfiguring MPCC
[ Upstream commit 56d63782af9bbd1271bff1422a6a013123eade4d ]
[Why]
Underflow observed when disabling PIP overlay in-game when
vsync is disabled, due to OTC master lock not working with
game pipe which is immediate flip.
[How]
When performing a full update, override flip_immediate value
to false for all planes, so that flip occurs on vsync.
Signed-off-by: Anthony Wang <anthony1.wang@amd.com>
Acked-by: Bindu Ramamurthy <bindur12@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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 921c4ca6e902..284ed1c8a35a 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -2504,6 +2504,10 @@ static void commit_planes_for_stream(struct dc *dc, plane_state->triplebuffer_flips = true; } } + if (update_type == UPDATE_TYPE_FULL) { + /* force vsync flip when reconfiguring pipes to prevent underflow */ + plane_state->flip_immediate = false; + } } } |