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authorAlex Deucher <alexander.deucher@amd.com>2016-05-05 16:03:57 -0400
committerAlex Deucher <alexander.deucher@amd.com>2016-05-11 12:31:25 -0400
commitcb9e59d7e999c68b79f23d6016b08fc5d0bb8a8d (patch)
treeb6a3f9e2d470c1f3cc259f6ddac599fbe58b5b94 /drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
parenta71dd897599c94d38eb1c4d6c8d9f8e3275e82ce (diff)
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.c3
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 c835abe65df3..726803069fef 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);