diff options
| author | Anthony Wang <anthony1.wang@amd.com> | 2021-03-31 11:03:35 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-19 10:08:22 +0200 |
| commit | 2b9ad1fd9dd2e63355893aa1e425f820b0e2ce89 (patch) | |
| tree | 4849db860961b6acad27c33d52b13901d671b720 | |
| parent | 10ed519fa825a5ec65ca41a3f607f62886253600 (diff) | |
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>
| -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 092db590087c..14dc1b8719a9 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -2050,6 +2050,10 @@ 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; + } } } #endif |