| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.10 48/75] drm/amdgpu/pm: check for headless before calling compute_clocks | Date | Mon, 13 Mar 2017 16:43:57 +0800 |
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4.10-stable review patch. If anyone has any objections, please let me know.
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From: Alex Deucher <alexander.deucher@amd.com>
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 <alexander.deucher@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- 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 amd 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];
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