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(parent: 26d0c21) | patch
drm/amdgpu: check before checking pci bridge registers
authorAlex Deucher <alexander.deucher@amd.com>
Tue, 6 Oct 2015 13:38:45 +0000 (09:38 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 6 Oct 2015 14:43:16 +0000 (10:43 -0400)
commite79d5c0870eedce94e5f5a2ffab30511e48fa144
tree937fd1b2d17130f8b9e0e5b8cf793b1d0d317c2etree | snapshot
parent26d0c21db1fd1679fcf07863741c13ba5ce37a65commit | diff
drm/amdgpu: check before checking pci bridge registers

Make sure we are not the root device before attempting to
read the pcie bridge registers to check the pcie gen speeed.

Fixes a crash when the device is passed through to a VM.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
drivers/gpu/drm/amd/amdgpu/cik.c diff | blob | history
drivers/gpu/drm/amd/amdgpu/vi.c diff | blob | history
Domain: System / Kernel;