diff options
| author | David Francis <David.Francis@amd.com> | 2018-12-12 22:11:53 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-01-26 00:15:36 +0300 |
| commit | b2e85302494a6b7d3a3006c8d80a729377600628 (patch) | |
| tree | f11dcc6cbde95d33e856992a0a0016ffbcc29ccb /drivers/gpu/drm/amd/display | |
| parent | bc7f670ee04cd619f8c4627c37d77b3618bc5edd (diff) | |
| download | linux-b2e85302494a6b7d3a3006c8d80a729377600628.tar.xz | |
drm/amd/display: Know what a pageflip is
[Why]
We were assuming that any commit with allow_modeset == false
was a pageflip. This was against drm intention and only
worked by sheer luck
[How]
A pageflip is the change from one framebuffer to another
Signed-off-by: David Francis <David.Francis@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 9b77ace620db..407f733a47ea 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -4683,7 +4683,8 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, if (!new_crtc_state->active) continue; - pflip_needed = !state->allow_modeset; + pflip_needed = old_plane_state->fb && + old_plane_state->fb != new_plane_state->fb; dc_plane = dm_new_plane_state->dc_state; |