drm/amdgpu: add helper function to query psp runtime db entry (v2)

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PSP will dump various boot up information into a
portion of local frame buffer, called runtime database.
The helper function is used for driver to query those
shared information.

v2: init ret and check !ret to exit loop as soon as
found the entry

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

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Hawking Zhang 2021-06-07 20:31:30 +08:00 • committed by Alex Deucher

parent 990ec3014d

commit 3d689ae4a9

1 changed files with 68 additions and 0 deletions

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

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