]> git.baikalelectronics.ru Git - kernel.git/commit
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)
commit94f4b21d4fc7ac81fb1c8c44eb9f15e40dc6fe7a
tree18dd20b165a43e8619ea07755f122cd045b472bf
parentb8d5dee56afac133dfcdf0732508959d4ecaa821
drm/amdgpu: disable gfxoff when using register read interface

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