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authorThomas Gleixner <tglx@linutronix.de>2017-06-20 22:08:32 +0200
committerThomas Gleixner <tglx@linutronix.de>2017-06-20 22:08:32 +0200
commitb50fb7c99217922ea36d6e38bae34d84c0587cad (patch)
tree5f46167ac7fe5cd87bbed8ca8644f32befc5bbae /drivers/gpu/drm/amd/amdgpu/ci_dpm.c
parent04c848d398797a626608ff48804d809ae6687163 (diff)
parent41f1830f5a7af77cf5c86359aba3cbd706687e52 (diff)
Merge branch 'linus' into irq/core
Get upstream changes so pending patches won't conflict.
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/ci_dpm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/ci_dpm.c6
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