drm/amdgpu: get absolute offset from doorbell index

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This patch adds a helper function which converts a doorbell's
relative index in a BO to an absolute doorbell offset in the
doorbell BAR.

V2: No space between the variable name doc (Luben)

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian Koenig <christian.koenig@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Shashank Sharma <shashank.sharma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Shashank Sharma 2023-04-12 14:39:00 +02:00 • committed by Alex Deucher

parent 3b885ab27f

commit d124aa0ac9

2 changed files with 24 additions and 0 deletions

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3

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

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21

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

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