[PATCH 01/27] drm/amdgpu: add amdgpu_ih_regs structure

[Felix Kuehling]

The series is

Reviewed-by: Felix Kuehling <Felix.Kuehling at amd.com>

Am 2020-12-12 um 10:45 a.m. schrieb Hawking Zhang:
> amdgpu_ih_regs holds all the registers for
> an ih ring
>
> Signed-off-by: Hawking Zhang <Hawking.Zhang at amd.com>
> Reviewed-by: Christian König <christian.koenig at amd.com>
> Acked-by: Felix Kuehling <Felix.Kuehling at amd.com>
> Reviewed-by: Dennis Li <Dennis.Li at amd.com>
> Reviewed-by: Feifei Xu <Feifei.Xu at amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h
> index 3c9cfe7eecff..94c565b9eca8 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
>   */
> @@ -53,6 +65,7 @@ struct amdgpu_ih_ring {
>  	bool                    enabled;
>  	unsigned		rptr;
>  	atomic_t		lock;
> +	struct amdgpu_ih_regs	ih_regs;
>  };
>  
>  /* provided by the ih block */