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From cdbd115eaf1d17cff0d84c99e53774acba96eca7 Mon Sep 17 00:00:00 2001
From: Leo Liu <leo.liu@amd.com>
Date: Tue, 9 Jul 2019 10:04:39 -0500
Subject: drm/amdgpu/VCN2: expose rings functions
Git-commit: cdbd115eaf1d17cff0d84c99e53774acba96eca7
Patch-mainline: v5.4-rc1
References: bsc#1152489

They can be reused by VCN2.x family

Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c |   87 ++++++++++++++++------------------
 drivers/gpu/drm/amd/amdgpu/vcn_v2_0.h |   38 ++++++++++++++
 2 files changed, 79 insertions(+), 46 deletions(-)

--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
@@ -1487,7 +1487,7 @@ static void vcn_v2_0_dec_ring_set_wptr(s
  *
  * Write a start command to the ring.
  */
-static void vcn_v2_0_dec_ring_insert_start(struct amdgpu_ring *ring)
+void vcn_v2_0_dec_ring_insert_start(struct amdgpu_ring *ring)
 {
 	struct amdgpu_device *adev = ring->adev;
 
@@ -1504,7 +1504,7 @@ static void vcn_v2_0_dec_ring_insert_sta
  *
  * Write a end command to the ring.
  */
-static void vcn_v2_0_dec_ring_insert_end(struct amdgpu_ring *ring)
+void vcn_v2_0_dec_ring_insert_end(struct amdgpu_ring *ring)
 {
 	struct amdgpu_device *adev = ring->adev;
 
@@ -1519,7 +1519,7 @@ static void vcn_v2_0_dec_ring_insert_end
  *
  * Write a nop command to the ring.
  */
-static void vcn_v2_0_dec_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
+void vcn_v2_0_dec_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
 {
 	struct amdgpu_device *adev = ring->adev;
 	int i;
@@ -1540,8 +1540,8 @@ static void vcn_v2_0_dec_ring_insert_nop
  *
  * Write a fence and a trap command to the ring.
  */
-static void vcn_v2_0_dec_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
-				     unsigned flags)
+void vcn_v2_0_dec_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
+				unsigned flags)
 {
 	struct amdgpu_device *adev = ring->adev;
 
@@ -1577,10 +1577,10 @@ static void vcn_v2_0_dec_ring_emit_fence
  *
  * Write ring commands to execute the indirect buffer
  */
-static void vcn_v2_0_dec_ring_emit_ib(struct amdgpu_ring *ring,
-				      struct amdgpu_job *job,
-				      struct amdgpu_ib *ib,
-				      uint32_t flags)
+void vcn_v2_0_dec_ring_emit_ib(struct amdgpu_ring *ring,
+			       struct amdgpu_job *job,
+			       struct amdgpu_ib *ib,
+			       uint32_t flags)
 {
 	struct amdgpu_device *adev = ring->adev;
 	unsigned vmid = AMDGPU_JOB_GET_VMID(job);
@@ -1596,9 +1596,8 @@ static void vcn_v2_0_dec_ring_emit_ib(st
 	amdgpu_ring_write(ring, ib->length_dw);
 }
 
-static void vcn_v2_0_dec_ring_emit_reg_wait(struct amdgpu_ring *ring,
-					    uint32_t reg, uint32_t val,
-					    uint32_t mask)
+void vcn_v2_0_dec_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
+				uint32_t val, uint32_t mask)
 {
 	struct amdgpu_device *adev = ring->adev;
 
@@ -1616,8 +1615,8 @@ static void vcn_v2_0_dec_ring_emit_reg_w
 	amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_REG_READ_COND_WAIT << 1));
 }
 
-static void vcn_v2_0_dec_ring_emit_vm_flush(struct amdgpu_ring *ring,
-					    unsigned vmid, uint64_t pd_addr)
+void vcn_v2_0_dec_ring_emit_vm_flush(struct amdgpu_ring *ring,
+				unsigned vmid, uint64_t pd_addr)
 {
 	struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
 	uint32_t data0, data1, mask;
@@ -1631,8 +1630,8 @@ static void vcn_v2_0_dec_ring_emit_vm_fl
 	vcn_v2_0_dec_ring_emit_reg_wait(ring, data0, data1, mask);
 }
 
-static void vcn_v2_0_dec_ring_emit_wreg(struct amdgpu_ring *ring,
-					uint32_t reg, uint32_t val)
+void vcn_v2_0_dec_ring_emit_wreg(struct amdgpu_ring *ring,
+				uint32_t reg, uint32_t val)
 {
 	struct amdgpu_device *adev = ring->adev;
 
@@ -1724,8 +1723,8 @@ static void vcn_v2_0_enc_ring_set_wptr(s
  *
  * Write enc a fence and a trap command to the ring.
  */
-static void vcn_v2_0_enc_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
-			u64 seq, unsigned flags)
+void vcn_v2_0_enc_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
+				u64 seq, unsigned flags)
 {
 	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
 
@@ -1736,7 +1735,7 @@ static void vcn_v2_0_enc_ring_emit_fence
 	amdgpu_ring_write(ring, VCN_ENC_CMD_TRAP);
 }
 
-static void vcn_v2_0_enc_ring_insert_end(struct amdgpu_ring *ring)
+void vcn_v2_0_enc_ring_insert_end(struct amdgpu_ring *ring)
 {
 	amdgpu_ring_write(ring, VCN_ENC_CMD_END);
 }
@@ -1749,10 +1748,10 @@ static void vcn_v2_0_enc_ring_insert_end
  *
  * Write enc ring commands to execute the indirect buffer
  */
-static void vcn_v2_0_enc_ring_emit_ib(struct amdgpu_ring *ring,
-				      struct amdgpu_job *job,
-				      struct amdgpu_ib *ib,
-				      uint32_t flags)
+void vcn_v2_0_enc_ring_emit_ib(struct amdgpu_ring *ring,
+			       struct amdgpu_job *job,
+			       struct amdgpu_ib *ib,
+			       uint32_t flags)
 {
 	unsigned vmid = AMDGPU_JOB_GET_VMID(job);
 
@@ -1763,9 +1762,8 @@ static void vcn_v2_0_enc_ring_emit_ib(st
 	amdgpu_ring_write(ring, ib->length_dw);
 }
 
-static void vcn_v2_0_enc_ring_emit_reg_wait(struct amdgpu_ring *ring,
-					    uint32_t reg, uint32_t val,
-					    uint32_t mask)
+void vcn_v2_0_enc_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
+				uint32_t val, uint32_t mask)
 {
 	amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WAIT);
 	amdgpu_ring_write(ring, reg << 2);
@@ -1773,8 +1771,8 @@ static void vcn_v2_0_enc_ring_emit_reg_w
 	amdgpu_ring_write(ring, val);
 }
 
-static void vcn_v2_0_enc_ring_emit_vm_flush(struct amdgpu_ring *ring,
-					    unsigned int vmid, uint64_t pd_addr)
+void vcn_v2_0_enc_ring_emit_vm_flush(struct amdgpu_ring *ring,
+				unsigned int vmid, uint64_t pd_addr)
 {
 	struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
 
@@ -1785,8 +1783,7 @@ static void vcn_v2_0_enc_ring_emit_vm_fl
 					lower_32_bits(pd_addr), 0xffffffff);
 }
 
-static void vcn_v2_0_enc_ring_emit_wreg(struct amdgpu_ring *ring,
-					uint32_t reg, uint32_t val)
+void vcn_v2_0_enc_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg, uint32_t val)
 {
 	amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WRITE);
 	amdgpu_ring_write(ring,	reg << 2);
@@ -1850,7 +1847,7 @@ static void vcn_v2_0_jpeg_ring_set_wptr(
  *
  * Write a start command to the ring.
  */
-static void vcn_v2_0_jpeg_ring_insert_start(struct amdgpu_ring *ring)
+void vcn_v2_0_jpeg_ring_insert_start(struct amdgpu_ring *ring)
 {
 	amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
 		0, 0, PACKETJ_TYPE0));
@@ -1868,7 +1865,7 @@ static void vcn_v2_0_jpeg_ring_insert_st
  *
  * Write a end command to the ring.
  */
-static void vcn_v2_0_jpeg_ring_insert_end(struct amdgpu_ring *ring)
+void vcn_v2_0_jpeg_ring_insert_end(struct amdgpu_ring *ring)
 {
 	amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
 		0, 0, PACKETJ_TYPE0));
@@ -1887,8 +1884,8 @@ static void vcn_v2_0_jpeg_ring_insert_en
  *
  * Write a fence and a trap command to the ring.
  */
-static void vcn_v2_0_jpeg_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
-				     unsigned flags)
+void vcn_v2_0_jpeg_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
+				unsigned flags)
 {
 	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
 
@@ -1936,10 +1933,10 @@ static void vcn_v2_0_jpeg_ring_emit_fenc
  *
  * Write ring commands to execute the indirect buffer.
  */
-static void vcn_v2_0_jpeg_ring_emit_ib(struct amdgpu_ring *ring,
-				       struct amdgpu_job *job,
-				       struct amdgpu_ib *ib,
-				       uint32_t flags)
+void vcn_v2_0_jpeg_ring_emit_ib(struct amdgpu_ring *ring,
+				struct amdgpu_job *job,
+				struct amdgpu_ib *ib,
+				uint32_t flags)
 {
 	unsigned vmid = AMDGPU_JOB_GET_VMID(job);
 
@@ -1987,9 +1984,8 @@ static void vcn_v2_0_jpeg_ring_emit_ib(s
 	amdgpu_ring_write(ring, 0x2);
 }
 
-static void vcn_v2_0_jpeg_ring_emit_reg_wait(struct amdgpu_ring *ring,
-					    uint32_t reg, uint32_t val,
-					    uint32_t mask)
+void vcn_v2_0_jpeg_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
+				uint32_t val, uint32_t mask)
 {
 	uint32_t reg_offset = (reg << 2);
 
@@ -2015,8 +2011,8 @@ static void vcn_v2_0_jpeg_ring_emit_reg_
 	amdgpu_ring_write(ring, mask);
 }
 
-static void vcn_v2_0_jpeg_ring_emit_vm_flush(struct amdgpu_ring *ring,
-		unsigned vmid, uint64_t pd_addr)
+void vcn_v2_0_jpeg_ring_emit_vm_flush(struct amdgpu_ring *ring,
+				unsigned vmid, uint64_t pd_addr)
 {
 	struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
 	uint32_t data0, data1, mask;
@@ -2030,8 +2026,7 @@ static void vcn_v2_0_jpeg_ring_emit_vm_f
 	vcn_v2_0_jpeg_ring_emit_reg_wait(ring, data0, data1, mask);
 }
 
-static void vcn_v2_0_jpeg_ring_emit_wreg(struct amdgpu_ring *ring,
-					uint32_t reg, uint32_t val)
+void vcn_v2_0_jpeg_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg, uint32_t val)
 {
 	uint32_t reg_offset = (reg << 2);
 
@@ -2049,7 +2044,7 @@ static void vcn_v2_0_jpeg_ring_emit_wreg
 	amdgpu_ring_write(ring, val);
 }
 
-static void vcn_v2_0_jpeg_ring_nop(struct amdgpu_ring *ring, uint32_t count)
+void vcn_v2_0_jpeg_ring_nop(struct amdgpu_ring *ring, uint32_t count)
 {
 	int i;
 
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.h
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.h
@@ -24,6 +24,44 @@
 #ifndef __VCN_V2_0_H__
 #define __VCN_V2_0_H__
 
+extern void vcn_v2_0_dec_ring_insert_start(struct amdgpu_ring *ring);
+extern void vcn_v2_0_dec_ring_insert_end(struct amdgpu_ring *ring);
+extern void vcn_v2_0_dec_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count);
+extern void vcn_v2_0_dec_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
+				unsigned flags);
+extern void vcn_v2_0_dec_ring_emit_ib(struct amdgpu_ring *ring, struct amdgpu_job *job,
+				struct amdgpu_ib *ib, uint32_t flags);
+extern void vcn_v2_0_dec_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
+				uint32_t val, uint32_t mask);
+extern void vcn_v2_0_dec_ring_emit_vm_flush(struct amdgpu_ring *ring,
+				unsigned vmid, uint64_t pd_addr);
+extern void vcn_v2_0_dec_ring_emit_wreg(struct amdgpu_ring *ring,
+				uint32_t reg, uint32_t val);
+
+extern void vcn_v2_0_enc_ring_insert_end(struct amdgpu_ring *ring);
+extern void vcn_v2_0_enc_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
+				u64 seq, unsigned flags);
+extern void vcn_v2_0_enc_ring_emit_ib(struct amdgpu_ring *ring, struct amdgpu_job *job,
+				struct amdgpu_ib *ib, uint32_t flags);
+extern void vcn_v2_0_enc_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
+				uint32_t val, uint32_t mask);
+extern void vcn_v2_0_enc_ring_emit_vm_flush(struct amdgpu_ring *ring,
+				unsigned int vmid, uint64_t pd_addr);
+extern void vcn_v2_0_enc_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg, uint32_t val);
+
+extern void vcn_v2_0_jpeg_ring_insert_start(struct amdgpu_ring *ring);
+extern void vcn_v2_0_jpeg_ring_insert_end(struct amdgpu_ring *ring);
+extern void vcn_v2_0_jpeg_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
+				unsigned flags);
+extern void vcn_v2_0_jpeg_ring_emit_ib(struct amdgpu_ring *ring, struct amdgpu_job *job,
+				struct amdgpu_ib *ib, uint32_t flags);
+extern void vcn_v2_0_jpeg_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
+				uint32_t val, uint32_t mask);
+extern void vcn_v2_0_jpeg_ring_emit_vm_flush(struct amdgpu_ring *ring,
+				unsigned vmid, uint64_t pd_addr);
+extern void vcn_v2_0_jpeg_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg, uint32_t val);
+extern void vcn_v2_0_jpeg_ring_nop(struct amdgpu_ring *ring, uint32_t count);
+
 extern const struct amdgpu_ip_block_version vcn_v2_0_ip_block;
 
 #endif /* __VCN_V2_0_H__ */