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>
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 921c4ca..284ed1c 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;
+ }
}
}