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(parent: b74fb88) | patch
drm/amdgpu: Fix oops when pp_funcs is unset in ACPI event
authorAaron Ma <aaron.ma@canonical.com>
Fri, 3 Apr 2020 14:34:19 +0000 (22:34 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Fri, 3 Apr 2020 21:24:10 +0000 (17:24 -0400)
commit5932d260a8d85a103bd6c504fbb85ff58b156bf9
tree552c3c2dc32aa34d1c473364f42c439b5cff841dtree | snapshot
parentb74fb888f4927e2079be576ce6dcdbf0c420f1f8commit | diff
drm/amdgpu: Fix oops when pp_funcs is unset in ACPI event

On ARCTURUS and RENOIR, powerplay is not supported yet.
When plug in or unplug power jack, ACPI event will issue.
Then kernel NULL pointer BUG will be triggered.
Check for NULL pointers before calling.

Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c diff | blob | history
Domain: System / Kernel;