drm/amdgpu: make software ring functions reuseable for newer VCN

Software ring will be supported only from VCN4
Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: James Zhu <James.Zhu@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c

@@ -1728,8 +1728,8 @@ static void vcn_v3_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
 	}
 }
 
-static void vcn_v3_0_dec_sw_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
-				u64 seq, uint32_t flags)
+void vcn_v3_0_dec_sw_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
+      u64 seq, uint32_t flags)
 {
 	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
 
@@ -1740,15 +1740,13 @@ static void vcn_v3_0_dec_sw_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
 	amdgpu_ring_write(ring, VCN_DEC_SW_CMD_TRAP);
 }
 
-static void vcn_v3_0_dec_sw_ring_insert_end(struct amdgpu_ring *ring)
+void vcn_v3_0_dec_sw_ring_insert_end(struct amdgpu_ring *ring)
 {
 	amdgpu_ring_write(ring, VCN_DEC_SW_CMD_END);
 }
 
-static void vcn_v3_0_dec_sw_ring_emit_ib(struct amdgpu_ring *ring,
-			       struct amdgpu_job *job,
-			       struct amdgpu_ib *ib,
-			       uint32_t flags)
+void vcn_v3_0_dec_sw_ring_emit_ib(struct amdgpu_ring *ring, struct amdgpu_job *job,
+        struct amdgpu_ib *ib, uint32_t flags)
 {
 	uint32_t vmid = AMDGPU_JOB_GET_VMID(job);
 
@@ -1759,8 +1757,8 @@ static void vcn_v3_0_dec_sw_ring_emit_ib(struct amdgpu_ring *ring,
 	amdgpu_ring_write(ring, ib->length_dw);
 }
 
-static void vcn_v3_0_dec_sw_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
-				uint32_t val, uint32_t mask)
+void vcn_v3_0_dec_sw_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
+        uint32_t val, uint32_t mask)
 {
 	amdgpu_ring_write(ring, VCN_DEC_SW_CMD_REG_WAIT);
 	amdgpu_ring_write(ring, reg << 2);
@@ -1768,8 +1766,8 @@ static void vcn_v3_0_dec_sw_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_
 	amdgpu_ring_write(ring, val);
 }
 
-static void vcn_v3_0_dec_sw_ring_emit_vm_flush(struct amdgpu_ring *ring,
-				uint32_t vmid, uint64_t pd_addr)
+void vcn_v3_0_dec_sw_ring_emit_vm_flush(struct amdgpu_ring *ring,
+        uint32_t vmid, uint64_t pd_addr)
 {
 	struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
 	uint32_t data0, data1, mask;
@@ -1783,7 +1781,8 @@ static void vcn_v3_0_dec_sw_ring_emit_vm_flush(struct amdgpu_ring *ring,
 	vcn_v3_0_dec_sw_ring_emit_reg_wait(ring, data0, data1, mask);
 }
 
-static void vcn_v3_0_dec_sw_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg, uint32_t val)
+void vcn_v3_0_dec_sw_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg,
+      uint32_t val)
 {
 	amdgpu_ring_write(ring, VCN_DEC_SW_CMD_REG_WRITE);
 	amdgpu_ring_write(ring,	reg << 2);

drivers/gpu/drm/amd/amdgpu/vcn_v3_0.h

@@ -26,4 +26,16 @@
 
 extern const struct amdgpu_ip_block_version vcn_v3_0_ip_block;
 
+void vcn_v3_0_dec_sw_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
+      u64 seq, uint32_t flags);
+void vcn_v3_0_dec_sw_ring_insert_end(struct amdgpu_ring *ring);
+void vcn_v3_0_dec_sw_ring_emit_ib(struct amdgpu_ring *ring, struct amdgpu_job *job,
+      struct amdgpu_ib *ib, uint32_t flags);
+void vcn_v3_0_dec_sw_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
+      uint32_t val, uint32_t mask);
+void vcn_v3_0_dec_sw_ring_emit_vm_flush(struct amdgpu_ring *ring,
+      uint32_t vmid, uint64_t pd_addr);
+void vcn_v3_0_dec_sw_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg,
+      uint32_t val);
+
 #endif /* __VCN_V3_0_H__ */