drm/amdgpu: disable gfxoff when using register read interface
authorAlex Deucher <alexander.deucher@amd.com>
Thu, 14 Nov 2019 16:39:05 +0000 (11:39 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Fri, 22 Nov 2019 19:35:10 +0000 (14:35 -0500)
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>

No differences found