drm/amdgpu/acpi: unify ATCS handling (v3)

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Treat it like ATIF and check both the dGPU and APU for
the method.  This is required because ATCS may be hung
off of the APU in ACPI on A+A systems.

v2: add back accidently removed ACPI handle check.
v3: Fix incorrect atif check (Colin)
    Fix uninitialized variable (Colin)

Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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This commit is contained in:

Alex Deucher 2021-05-19 15:47:42 -04:00

parent cd11b58cce

commit 77bf762f8b

2 changed files with 93 additions and 52 deletions

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17

drivers/gpu/drm/amd/amdgpu/amdgpu.h

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128

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

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