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| author | Alex Deucher <alexander.deucher@amd.com> | 2016-06-22 20:49:22 (GMT) |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-07-07 19:02:01 (GMT) |
| commit | 7359ee637d98cbd66b8d36341cfe03a9875b3897 (patch) | |
| tree | 73f53153a6ebe8d203fcebdc30e872894414555b /drivers/gpu/drm/amd/amdgpu/dce_v11_0.c | |
| parent | aff98ba1fdb8150a1a7afe61503772f61b9a2132 (diff) | |
| download | linux-7359ee637d98cbd66b8d36341cfe03a9875b3897.tar.xz | |
drm/amdgpu/dce11: update async flip update time
Use UPDATE_IMMEDIATE (update on next data request boundary) rather
than UPDATE_H_RETRACE (update on next line boundary). The data
request boundary is less than a scanline, so it update will happen
sooner.
Cc: Vitaly Prosyak <vitaly.prosyak@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/dce_v11_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/dce_v11_0.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c index c90408b..d4bf133 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c @@ -307,11 +307,10 @@ static void dce_v11_0_page_flip(struct amdgpu_device *adev, struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id]; u32 tmp; - /* flip at hsync for async, default is vsync */ - /* use UPDATE_IMMEDIATE_EN instead for async? */ + /* flip immediate for async, default is vsync */ tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset); tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL, - GRPH_SURFACE_UPDATE_H_RETRACE_EN, async ? 1 : 0); + GRPH_SURFACE_UPDATE_IMMEDIATE_EN, async ? 1 : 0); WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp); /* update the scanout addresses */ WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, |