drm/amdgpu: use doorbell mgr for MES kernel doorbells

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This patch:
- Removes the existing doorbell management code, and its variables
  from the doorbell_init function, it will be done in doorbell
  manager now.
- uses the doorbell page created for MES kernel level needs (doorbells
  for MES self tests)
- current MES code was allocating MES doorbells in MES process context,
  but those were getting written using kernel doorbell calls. This patch
  instead allocates a MES kernel doorbell for this (in add_hw_queue).

V2: Create an extra page of doorbells for MES during kernel doorbell
    creation (Alex)
V4: Move MES doorbell size and page offset objects in this patch from
    patch 6.

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian Koenig <christian.koenig@amd.com>
Reviewed-by: Christian Koenig <christian.koenig@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>

...

This commit is contained in:

Shashank Sharma 2023-07-14 16:22:38 +02:00 • committed by Alex Deucher

parent 8da0d694a3

commit e3cbb1f404

3 changed files with 47 additions and 57 deletions

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4

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

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94

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

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6

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

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