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drm/amdgpu/pm: check for headless before calling compute_clocks 

Don't update display bandwidth on headless asics.

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=99387

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher 2017-02-10 18:09:32 -05:00
parent a73effaf58
commit c10c8f7c27
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
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@ -1296,7 +1296,8 @@ void amdgpu_pm_compute_clocks(struct amdgpu_device *adev)
if (!adev->pm.dpm_enabled)
return;
amdgpu_display_bandwidth_update(adev);
if (adev->mode_info.num_crtc)
amdgpu_display_bandwidth_update(adev);
for (i = 0; i < AMDGPU_MAX_RINGS; i++) {
struct amdgpu_ring *ring = adev->rings[i];