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| author | Tom St Denis <tom.stdenis@amd.com> | 2016-09-22 10:01:00 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-09-22 13:06:43 -0400 |
| commit | e37e4f057b47ff1e502799062f8ab30156e54bd3 (patch) | |
| tree | a49bc2ad8cfea0d3100a936f92e12f024488eb4f /drivers/gpu/drm/amd/amdgpu/dce_v10_0.c | |
| parent | 735598477f386d05af018e8708aa9e71f1ae163e (diff) | |
| download | linux-e37e4f057b47ff1e502799062f8ab30156e54bd3.tar.bz2 | |
drm/amd/amdgpu: Remove division from vblank_wait
Removes division from vblank_wait for DCE v6, v8,
and v10. Was already implemented for v11.
Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/dce_v10_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/dce_v10_0.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c index db6e6c3eaae2..9a63d7766604 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c @@ -221,7 +221,7 @@ static bool dce_v10_0_is_counter_moving(struct amdgpu_device *adev, int crtc) */ static void dce_v10_0_vblank_wait(struct amdgpu_device *adev, int crtc) { - unsigned i = 0; + unsigned i = 100; if (crtc >= adev->mode_info.num_crtc) return; @@ -233,14 +233,16 @@ static void dce_v10_0_vblank_wait(struct amdgpu_device *adev, int crtc) * wait for another frame. */ while (dce_v10_0_is_in_vblank(adev, crtc)) { - if (i++ % 100 == 0) { + if (i++ == 100) { + i = 0; if (!dce_v10_0_is_counter_moving(adev, crtc)) break; } } while (!dce_v10_0_is_in_vblank(adev, crtc)) { - if (i++ % 100 == 0) { + if (i++ == 100) { + i = 0; if (!dce_v10_0_is_counter_moving(adev, crtc)) break; } |