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(parent: 85f8433) | patch
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>
Tue, 19 Nov 2019 15:12:54 +0000 (10:12 -0500)
commitca9317b9183b939e40903deb95dfe862b4653ee9
treea0ee02eec61051bf07b11cd8093b65a2952f0f3dtree | snapshot
parent85f8433f9bd72ea4e10523058f1cdcda59c4629ccommit | diff
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 diff | blob | history
Domain: System / Kernel;