From: Alex Deucher Date: Fri, 10 Feb 2017 23:09:32 +0000 (-0500) Subject: drm/amdgpu/pm: check for headless before calling compute_clocks X-Git-Tag: v4.10.3~28 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=2deaea3e0d07fc9e3ab41e7c6f4d63b85f0fcdbb;p=thirdparty%2Fkernel%2Fstable.git drm/amdgpu/pm: check for headless before calling compute_clocks commit c10c8f7c27103bd7ac02d041d9d6e97296d48fc1 upstream. Don't update display bandwidth on headless asics. bug: https://bugs.freedesktop.org/show_bug.cgi?id=99387 Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index 723ae682bf259..5a50b3df80ee5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -1252,7 +1252,8 @@ 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];