drm/amdgpu: add atomfirmware helper function to query fw cap

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Fimware capability was changed from 16 bits to 32 bits
for atomfirmware. add helper funciton to query firmware
capability and cache the value at early stage.

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: John Clements <john.clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Hawking Zhang 2021-05-13 21:46:24 +08:00 • committed by Alex Deucher

parent ed9d205363

commit 5968c6a2ba

4 changed files with 44 additions and 12 deletions

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3

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

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50

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

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1

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

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2

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

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