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| author | David S. Miller <davem@davemloft.net> | 2017-05-27 03:46:35 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-05-27 03:46:35 +0300 |
| commit | 34aa83c2fc23e055968387c8b78ac8bafd735aff (patch) | |
| tree | a53a341d74613e512bf467ea12615f509cb53536 /drivers/gpu/drm/amd/amdgpu/ci_dpm.c | |
| parent | 47936d35edbac5e58064bd15e51136050b2f2717 (diff) | |
| parent | e2a9aa5ab2a4d1fb05fcdfa9661d54e437093297 (diff) | |
| download | linux-34aa83c2fc23e055968387c8b78ac8bafd735aff.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Overlapping changes in drivers/net/phy/marvell.c, bug fix in 'net'
restricting a HW workaround alongside cleanups in 'net-next'.
Signed-off-by: David S. Miller <davem@davemloft.net>
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 |