drm/amdgpu: Add UALink IH ring and enable interrupt

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Register the UALink IRQ source with the IH subsystem. Hardware IH
entries are re-queued onto a dedicated soft ring and drained by a work
queue handler. Add the soft ring, worker, and delegate helper to the
IRQ layer.

Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Philip Yang 2026-03-25 13:54:37 -04:00 • committed by Alex Deucher

parent 752aa1a975

commit 27e8d24f65

4 changed files with 112 additions and 2 deletions

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17

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

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7

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

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82

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

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8

drivers/gpu/drm/amd/amdgpu/ih_v7_0.c

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