diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h index 4e0bb645176d..0649b59830a5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h @@ -30,6 +30,18 @@ struct amdgpu_device; struct amdgpu_iv_entry; +struct amdgpu_ih_regs { + uint32_t ih_rb_base; + uint32_t ih_rb_base_hi; + uint32_t ih_rb_cntl; + uint32_t ih_rb_wptr; + uint32_t ih_rb_rptr; + uint32_t ih_doorbell_rptr; + uint32_t ih_rb_wptr_addr_lo; + uint32_t ih_rb_wptr_addr_hi; + uint32_t psp_reg_id; +}; + /* * R6xx+ IH ring */ @@ -52,7 +64,10 @@ struct amdgpu_ih_ring { bool enabled; unsigned rptr; - atomic_t lock; + struct amdgpu_ih_regs ih_regs; + + /* For waiting on IH processing at checkpoint. */ + wait_queue_head_t wait_process; }; /* provided by the ih block */ @@ -72,6 +87,12 @@ struct amdgpu_ih_funcs { int amdgpu_ih_ring_init(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih, unsigned ring_size, bool use_bus_addr); void amdgpu_ih_ring_fini(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih); +void amdgpu_ih_ring_write(struct amdgpu_ih_ring *ih, const uint32_t *iv, + unsigned int num_dw); +int amdgpu_ih_wait_on_checkpoint_process(struct amdgpu_device *adev, + struct amdgpu_ih_ring *ih); int amdgpu_ih_process(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih); - +void amdgpu_ih_decode_iv_helper(struct amdgpu_device *adev, + struct amdgpu_ih_ring *ih, + struct amdgpu_iv_entry *entry); #endif |