drm/amd/amdgpu/vcn: Add RB decouple feature under SRIOV - P3

- Update VCN header for RB decouple feature
- Add metadata struct, metadata will be placed after each RB
Signed-off-by: Bokun Zhang <bokun.zhang@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h

@@ -169,6 +169,9 @@
 #define AMDGPU_VCN_SMU_VERSION_INFO_FLAG (1 << 11)
 #define AMDGPU_VCN_SMU_DPM_INTERFACE_FLAG (1 << 11)
 #define AMDGPU_VCN_VF_RB_SETUP_FLAG (1 << 14)
+#define AMDGPU_VCN_VF_RB_DECOUPLE_FLAG (1 << 15)
+
+#define MAX_NUM_VCN_RB_SETUP 4
 
 #define AMDGPU_VCN_IB_FLAG_DECODE_BUFFER	0x00000001
 #define AMDGPU_VCN_CMD_FLAG_MSG_BUFFER		0x00000001
@@ -335,15 +338,30 @@ struct amdgpu_fw_shared {
 	struct amdgpu_fw_shared_smu_interface_info smu_interface_info;
 };
 
+struct amdgpu_vcn_rb_setup_info {
+	uint32_t  rb_addr_lo;
+	uint32_t  rb_addr_hi;
+	uint32_t  rb_size;
+};
+
 struct amdgpu_fw_shared_rb_setup {
 	uint32_t is_rb_enabled_flags;
-	uint32_t rb_addr_lo;
-	uint32_t rb_addr_hi;
-	uint32_t  rb_size;
-	uint32_t  rb4_addr_lo;
-	uint32_t  rb4_addr_hi;
-	uint32_t  rb4_size;
-	uint32_t  reserved[6];
+
+	union {
+		struct {
+			uint32_t rb_addr_lo;
+			uint32_t rb_addr_hi;
+			uint32_t  rb_size;
+			uint32_t  rb4_addr_lo;
+			uint32_t  rb4_addr_hi;
+			uint32_t  rb4_size;
+			uint32_t  reserved[6];
+		};
+
+		struct {
+			struct amdgpu_vcn_rb_setup_info rb_info[MAX_NUM_VCN_RB_SETUP];
+		};
+	};
 };
 
 struct amdgpu_fw_shared_drm_key_wa {
@@ -351,6 +369,11 @@ struct amdgpu_fw_shared_drm_key_wa {
 	uint8_t  reserved[3];
 };
 
+struct amdgpu_fw_shared_queue_decouple {
+	uint8_t  is_enabled;
+	uint8_t  reserved[7];
+};
+
 struct amdgpu_vcn4_fw_shared {
 	uint32_t present_flag_0;
 	uint8_t pad[12];
@@ -361,6 +384,8 @@ struct amdgpu_vcn4_fw_shared {
 	struct amdgpu_fw_shared_rb_setup rb_setup;
 	struct amdgpu_fw_shared_smu_interface_info smu_dpm_interface;
 	struct amdgpu_fw_shared_drm_key_wa drm_key_wa;
+	uint8_t pad3[9];
+	struct amdgpu_fw_shared_queue_decouple decouple;
 };
 
 struct amdgpu_vcn_fwlog {
@@ -378,6 +403,15 @@ struct amdgpu_vcn_decode_buffer {
 	uint32_t pad[30];
 };
 
+struct amdgpu_vcn_rb_metadata {
+	uint32_t size;
+	uint32_t present_flag_0;
+
+	uint8_t version;
+	uint8_t ring_id;
+	uint8_t pad[26];
+};
+
 #define VCN_BLOCK_ENCODE_DISABLE_MASK 0x80
 #define VCN_BLOCK_DECODE_DISABLE_MASK 0x40
 #define VCN_BLOCK_QUEUE_DISABLE_MASK 0xC0