drm/amdgpu/sdma4.4.2: implement ring reset callback for sdma4.4.2

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Implement sdma queue reset callback via SMU interface.

v2: Leverage inst_stop/start functions in reset sequence.
    Use GET_INST for physical SDMA instance.
    Disable apu for sdma reset.
v3: Rephrase error prints.
v4: Remove redundant prints. Remove setting PREEMPT registers as
    soft reset handles it.

Signed-off-by: Jiadong Zhu <Jiadong.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Jiadong Zhu 2024-09-29 11:00:16 +08:00 • committed by Alex Deucher

parent 610696505c

commit 52b10d55c1

1 changed files with 72 additions and 18 deletions

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drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c

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