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(parent: 7181707) | patch
drm/amdgpu: Add APTX quirk for Dell Latitude 5495
authorKai-Heng Feng <kai.heng.feng@canonical.com>
Tue, 27 Aug 2019 09:33:32 +0000 (17:33 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 6 Sep 2019 08:23:46 +0000 (10:23 +0200)
commit4c7ee7bd4f7e230f7672dd4986ed0db565686b97
tree7d786992139471ad1a2a00c42b8a69e55a5b6d3dtree | snapshot
parent71817079db2f4a8c0676b7b02af45ba4b585ffe1commit | diff
drm/amdgpu: Add APTX quirk for Dell Latitude 5495

commit 317a3aaef94d73ba6be88aea11b41bb631b2d581 upstream.

Needs ATPX rather than _PR3 to really turn off the dGPU. This can save
~5W when dGPU is runtime-suspended.

Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.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_atpx_handler.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git