drm/amdgpu: Add mode2 reset support for aldebaran

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v1: Aldebaran uses reset control to support mode2 reset. The sequences to
reset and restore hardware context are specific to a particular
configuration.

v2: Clear bus mastering before reset.
Fix coding style issues, drop unwanted variables and info log.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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This commit is contained in:

Lijo Lazar 2021-03-16 21:36:28 +08:00 • committed by Alex Deucher

parent 5d89bb2d2f

commit 142600e854

5 changed files with 463 additions and 2 deletions

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2

drivers/gpu/drm/amd/amdgpu/Makefile

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407

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

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32

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

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16

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

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8

drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c

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