diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-12 08:18:10 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-12 08:18:10 +0200 |
| commit | 069a0f32c9ca75ec7f02146711ec1f5840a68cbf (patch) | |
| tree | 0ee4fe0bdd706333192b26a0c43dda1481862bae /drivers/gpu/drm/amd/amdgpu/ci_dpm.c | |
| parent | aca4e68acf3a08561f2a413322cbb232edad8764 (diff) | |
| parent | 32c1431eea4881a6b17bd7c639315010aeefa452 (diff) | |
Merge 4.12-rc5 into char-misc-next
We want the char/misc driver fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/ci_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/ci_dpm.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c index 6dc1410b380f..ec93714e4524 100644 --- a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c @@ -906,6 +906,12 @@ static bool ci_dpm_vblank_too_short(struct amdgpu_device *adev) u32 vblank_time = amdgpu_dpm_get_vblank_time(adev); u32 switch_limit = adev->mc.vram_type == AMDGPU_VRAM_TYPE_GDDR5 ? 450 : 300; + /* disable mclk switching if the refresh is >120Hz, even if the + * blanking period would allow it + */ + if (amdgpu_dpm_get_vrefresh(adev) > 120) + return true; + if (vblank_time < switch_limit) return true; else |