drm/amdgpu: disable gfxoff when using register read interface

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When gfxoff is enabled, accessing gfx registers via MMIO
can lead to a hang.

Bug: https://bugzilla.kernel.org/show_bug.cgi?id=205497
Acked-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Alex Deucher 2019-11-14 11:39:05 -05:00

parent 85f8433f9b

commit ca9317b918

1 changed files with 5 additions and 1 deletions

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6

drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c

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