drm/amdgpu: add infrastructure for soft IH ring

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Add a soft IH ring implementation similar to the hardware IH1/2.

This can be used if the hardware delegation of interrupts to IH1/2
doesn't work for some reason.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Christian König 2020-10-31 18:38:15 +01:00 • committed by Alex Deucher

parent 45d87b85d3

commit 26f32a377e

4 changed files with 72 additions and 2 deletions

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29

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

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2

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

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35

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

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8

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

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