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(parent: 5a13a9d) | 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)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 29 Nov 2019 09:07:48 +0000 (10:07 +0100)
commita882c0a378680802272e4b59b1ee2ca9f7435008
tree7d2417e3670b412043e239a5624d4cd78b692eb0tree
parent5a13a9d70028b7594a8918838e810fbb9d03f93ccommit | diff
drm/amdgpu: disable gfxoff when using register read interface

commit c57040d333c6729ce99c2cb95061045ff84c89ea upstream.

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>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git