drm/amd/powerplay: add powerplay valid check to avoid null point. (v2)

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In case CONFIG_DRM_AMD_POWERPLAY is defined and amdgpu.powerplay=0.
some functions in powrplay can also be called by DAL. and the input parameter is *adev.
if just check point not NULL was not enough and will lead to NULL point error.

V2: AGD: rebase on upstream

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Rex Zhu 2015-12-29 13:56:03 +08:00 • committed by Alex Deucher

parent c15c8d7020

commit a969e163a4

2 changed files with 15 additions and 3 deletions

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15

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

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3

drivers/gpu/drm/amd/powerplay/inc/pp_instance.h

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