drm/amdkfd: get doorbell's absolute offset based on the db_size

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[ Upstream commit 367a0af433 ]

Here, Adding db_size in byte to find the doorbell's
absolute offset for both 32-bit and 64-bit doorbell sizes.
So that doorbell offset will be aligned based on the doorbell
size.

v2:
- Addressed the review comment from Felix.
v3:
- Adding doorbell_size as parameter to get db absolute offset.
v4:
  Squash the two patches into one.

Cc: Christian Koenig <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Shashank Sharma <shashank.sharma@amd.com>
Signed-off-by: Arvind Yadav <Arvind.Yadav@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

This commit is contained in:

Arvind Yadav 2023-10-09 22:43:16 +05:30 • committed by Greg Kroah-Hartman

parent ffc6425512

commit 45d72eadf2

5 changed files with 24 additions and 10 deletions

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5

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

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13

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

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3

drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c

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10

drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c

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3

drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c

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