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| author | Christian König <christian.koenig@amd.com> | 2020-10-31 20:38:15 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-11-24 20:06:38 +0300 |
| commit | 26f32a377eeddc5af24821b1ef3a3a8de7a80211 (patch) | |
| tree | 4d3cf40eb491137819f4b2cd152bfb46e310e698 /drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h | |
| parent | 45d87b85d39bc68148580be08c6b7aca803ba1a6 (diff) | |
| download | linux-26f32a377eeddc5af24821b1ef3a3a8de7a80211.tar.xz | |
drm/amdgpu: add infrastructure for soft IH ring
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h index c718e94a55c9..ac527e5deae6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h @@ -44,6 +44,7 @@ enum amdgpu_interrupt_state { }; struct amdgpu_iv_entry { + struct amdgpu_ih_ring *ih; unsigned client_id; unsigned src_id; unsigned ring_id; @@ -88,9 +89,9 @@ struct amdgpu_irq { bool msi_enabled; /* msi enabled */ /* interrupt rings */ - struct amdgpu_ih_ring ih, ih1, ih2; + struct amdgpu_ih_ring ih, ih1, ih2, ih_soft; const struct amdgpu_ih_funcs *ih_funcs; - struct work_struct ih1_work, ih2_work; + struct work_struct ih1_work, ih2_work, ih_soft_work; struct amdgpu_irq_src self_irq; /* gen irq stuff */ @@ -109,6 +110,9 @@ int amdgpu_irq_add_id(struct amdgpu_device *adev, struct amdgpu_irq_src *source); void amdgpu_irq_dispatch(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih); +void amdgpu_irq_delegate(struct amdgpu_device *adev, + struct amdgpu_iv_entry *entry, + unsigned int num_dw); int amdgpu_irq_update(struct amdgpu_device *adev, struct amdgpu_irq_src *src, unsigned type); int amdgpu_irq_get(struct amdgpu_device *adev, struct amdgpu_irq_src *src, |