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| author | Alex Deucher <alexander.deucher@amd.com> | 2016-05-05 16:03:57 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-05-11 12:31:25 -0400 |
| commit | cb9e59d7e999c68b79f23d6016b08fc5d0bb8a8d (patch) | |
| tree | b6a3f9e2d470c1f3cc259f6ddac599fbe58b5b94 /drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | |
| parent | a71dd897599c94d38eb1c4d6c8d9f8e3275e82ce (diff) | |
| download | op-kernel-dev-cb9e59d7e999c68b79f23d6016b08fc5d0bb8a8d.zip op-kernel-dev-cb9e59d7e999c68b79f23d6016b08fc5d0bb8a8d.tar.gz | |
drm/amdgpu: Support DRM_MODE_PAGE_FLIP_ASYNC (v2)
When this flag is set, we program the hardware to execute the flip
during horizontal blank (i.e. for the next scanline) instead of during
vertical blank (i.e. for the next frame).
Ported from radeon commit:
drm/radeon: Support DRM_MODE_PAGE_FLIP_ASYNC
v2: drop DAL change for upstream
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_display.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c index c835abe..7268030 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c @@ -132,7 +132,7 @@ static void amdgpu_flip_work_func(struct work_struct *__work) vblank->linedur_ns / 1000, stat, vpos, hpos); /* Do the flip (mmio) */ - adev->mode_info.funcs->page_flip(adev, work->crtc_id, work->base); + adev->mode_info.funcs->page_flip(adev, work->crtc_id, work->base, work->async); /* Set the flip status */ amdgpuCrtc->pflip_status = AMDGPU_FLIP_SUBMITTED; @@ -197,6 +197,7 @@ int amdgpu_crtc_page_flip(struct drm_crtc *crtc, work->event = event; work->adev = adev; work->crtc_id = amdgpu_crtc->crtc_id; + work->async = (page_flip_flags & DRM_MODE_PAGE_FLIP_ASYNC) != 0; /* schedule unpin of the old buffer */ old_amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb); |
