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

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On 2020-11-18 11:47 a.m., Luben Tuikov wrote:
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?
[JZ] all TAB is used here, no space.
@@ -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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