drm/amd/powerplay: fix null pointer dereference around dpm state relates

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DPM state relates are not supported on the new SW SMU ASICs. But still
it's not OK to trigger null pointer dereference on accessing them.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Evan Quan 2019-07-25 12:10:34 +08:00 • committed by Alex Deucher

parent fcd90fee8a

commit f0d2a7dc11

2 changed files with 15 additions and 6 deletions

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18

drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c

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3

drivers/gpu/drm/amd/powerplay/amdgpu_smu.c

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