Re: [PATCH v3 2/5] drm/amdgpu/vcn: update header to support dec vcn software ring

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On 2020-11-18 11:23, James Zhu wrote:
> Add macro, structure and function prototype to
> support dec vcn software ring.
> 
> Signed-off-by: James Zhu <James.Zhu@xxxxxxx>
> Reviewed-by: Leo Liu <leo.liu@xxxxxxx>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h | 30 ++++++++++++++++++++++++++++++
>  1 file changed, 30 insertions(+)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
> index 1769115..13aa417 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
> @@ -44,6 +44,17 @@
>  #define VCN_DEC_CMD_PACKET_START	0x0000000a
>  #define VCN_DEC_CMD_PACKET_END		0x0000000b
>  
> +#define VCN_DEC_SW_CMD_NO_OP		0x00000000
> +#define VCN_DEC_SW_CMD_END		0x00000001
> +#define VCN_DEC_SW_CMD_IB		0x00000002
> +#define VCN_DEC_SW_CMD_FENCE		0x00000003
> +#define VCN_DEC_SW_CMD_TRAP		0x00000004
> +#define VCN_DEC_SW_CMD_IB_AUTO		0x00000005
> +#define VCN_DEC_SW_CMD_SEMAPHORE	0x00000006
> +#define VCN_DEC_SW_CMD_PREEMPT_FENCE	0x00000009
> +#define VCN_DEC_SW_CMD_REG_WRITE	0x0000000b
> +#define VCN_DEC_SW_CMD_REG_WAIT		0x0000000c
> +
>  #define VCN_ENC_CMD_NO_OP		0x00000000
>  #define VCN_ENC_CMD_END 		0x00000001
>  #define VCN_ENC_CMD_IB			0x00000002

Alignment is off for the above macros... perhaps TAB char
was inserted to align the columns instead of just using
a space char?

> @@ -145,6 +156,10 @@
>  	} while (0)
>  
>  #define AMDGPU_VCN_MULTI_QUEUE_FLAG	(1 << 8)
> +#define AMDGPU_VCN_SW_RING_FLAG		(1 << 9)
> +
> +#define AMDGPU_VCN_IB_FLAG_DECODE_BUFFER	0x00000001
> +#define AMDGPU_VCN_CMD_FLAG_MSG_BUFFER		0x00000001

Here too.

Regards,
Luben

>  
>  enum fw_queue_mode {
>  	FW_QUEUE_RING_RESET = 1,
> @@ -236,12 +251,25 @@ struct amdgpu_fw_shared_multi_queue {
>  	uint8_t padding[4];
>  };
>  
> +struct amdgpu_fw_shared_sw_ring {
> +	uint8_t is_enabled;
> +	uint8_t padding[3];
> +};
> +
>  struct amdgpu_fw_shared {
>  	uint32_t present_flag_0;
>  	uint8_t pad[53];
>  	struct amdgpu_fw_shared_multi_queue multi_queue;
> +	struct amdgpu_fw_shared_sw_ring sw_ring;
>  } __attribute__((__packed__));
>  
> +struct amdgpu_vcn_decode_buffer {
> +	uint32_t valid_buf_flag;
> +	uint32_t msg_buffer_address_hi;
> +	uint32_t msg_buffer_address_lo;
> +	uint32_t pad[30];
> +};
> +
>  int amdgpu_vcn_sw_init(struct amdgpu_device *adev);
>  int amdgpu_vcn_sw_fini(struct amdgpu_device *adev);
>  int amdgpu_vcn_suspend(struct amdgpu_device *adev);
> @@ -251,6 +279,8 @@ void amdgpu_vcn_ring_end_use(struct amdgpu_ring *ring);
>  
>  int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring);
>  int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout);
> +int amdgpu_vcn_dec_sw_ring_test_ring(struct amdgpu_ring *ring);
> +int amdgpu_vcn_dec_sw_ring_test_ib(struct amdgpu_ring *ring, long timeout);
>  
>  int amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring *ring);
>  int amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout);
> 

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