[PATCH v2 0/3] add common vcn software ring decode.

[PATCH v2 0/3] add common vcn software ring decode.

[James Zhu]

v2: add VCN_SW_RING_EMIT_FRAME_SIZE.(Suggested from Christian)

James Zhu (3):
  drm/amdgpu/vcn: add common vcn sofware ring decode
  drm/amdgpu/vcn3: replace ip based software ring decode with common vcn
    software ring decode
  drm/amdgpu/vcn4: replace ip based software ring decode with common vcn
    software ring decode

 drivers/gpu/drm/amd/amdgpu/Makefile      |  1 +
 drivers/gpu/drm/amd/amdgpu/vcn_sw_ring.c | 85 ++++++++++++++++++++++++
 drivers/gpu/drm/amd/amdgpu/vcn_sw_ring.h | 44 ++++++++++++
 drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c    | 80 +++-------------------
 drivers/gpu/drm/amd/amdgpu/vcn_v3_0.h    | 12 ----
 drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c    | 20 +++---
 6 files changed, 148 insertions(+), 94 deletions(-)
 create mode 100644 drivers/gpu/drm/amd/amdgpu/vcn_sw_ring.c
 create mode 100644 drivers/gpu/drm/amd/amdgpu/vcn_sw_ring.h

-- 
2.25.1

[PATCH v2 1/3] drm/amdgpu/vcn: add common vcn sofware ring decode

[James Zhu]

Add common vcn sofware ring decode.

Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Christian Koenig <Christian.Koenig@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/Makefile      |  1 +
 drivers/gpu/drm/amd/amdgpu/vcn_sw_ring.c | 85 ++++++++++++++++++++++++
 drivers/gpu/drm/amd/amdgpu/vcn_sw_ring.h | 44 ++++++++++++
 3 files changed, 130 insertions(+)
 create mode 100644 drivers/gpu/drm/amd/amdgpu/vcn_sw_ring.c
 create mode 100644 drivers/gpu/drm/amd/amdgpu/vcn_sw_ring.h

diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile
index 99a4cddd93e6..93a1ea676962 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -171,6 +171,7 @@ amdgpu-y += \
 # add VCN and JPEG block
 amdgpu-y += \
 	amdgpu_vcn.o \
+	vcn_sw_ring.o \
 	vcn_v1_0.o \
 	vcn_v2_0.o \
 	vcn_v2_5.o \
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_sw_ring.c b/drivers/gpu/drm/amd/amdgpu/vcn_sw_ring.c
new file mode 100644
index 000000000000..e020fd97aa2c
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_sw_ring.c
@@ -0,0 +1,85 @@
+/*
+ * Copyright 2022 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include "amdgpu_vcn.h"
+
+void vcn_dec_sw_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
+      u64 seq, uint32_t flags)
+{
+	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
+
+	amdgpu_ring_write(ring, VCN_DEC_SW_CMD_FENCE);
+	amdgpu_ring_write(ring, addr);
+	amdgpu_ring_write(ring, upper_32_bits(addr));
+	amdgpu_ring_write(ring, seq);
+	amdgpu_ring_write(ring, VCN_DEC_SW_CMD_TRAP);
+}
+
+void vcn_dec_sw_ring_insert_end(struct amdgpu_ring *ring)
+{
+	amdgpu_ring_write(ring, VCN_DEC_SW_CMD_END);
+}
+
+void vcn_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);
+
+	amdgpu_ring_write(ring, VCN_DEC_SW_CMD_IB);
+	amdgpu_ring_write(ring, vmid);
+	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
+	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
+	amdgpu_ring_write(ring, ib->length_dw);
+}
+
+void vcn_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);
+	amdgpu_ring_write(ring, mask);
+	amdgpu_ring_write(ring, val);
+}
+
+void vcn_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;
+
+	pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
+
+	/* wait for register write */
+	data0 = hub->ctx0_ptb_addr_lo32 + vmid * hub->ctx_addr_distance;
+	data1 = lower_32_bits(pd_addr);
+	mask = 0xffffffff;
+	vcn_dec_sw_ring_emit_reg_wait(ring, data0, data1, mask);
+}
+
+void vcn_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);
+	amdgpu_ring_write(ring, val);
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_sw_ring.h b/drivers/gpu/drm/amd/amdgpu/vcn_sw_ring.h
new file mode 100644
index 000000000000..d87645e91cd7
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_sw_ring.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2022 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef __VCN_SW_RING_H__
+#define __VCN_SW_RING_H__
+
+#define VCN_SW_RING_EMIT_FRAME_SIZE \
+		4 + /* vcn_dec_sw_ring_emit_vm_flush */ \
+		5 + 5 + /* vcn_dec_sw_ring_emit_fence x2 vm fence */ \
+		1 /* vcn_dec_sw_ring_insert_end */
+
+void vcn_dec_sw_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
+      u64 seq, uint32_t flags);
+void vcn_dec_sw_ring_insert_end(struct amdgpu_ring *ring);
+void vcn_dec_sw_ring_emit_ib(struct amdgpu_ring *ring, struct amdgpu_job *job,
+      struct amdgpu_ib *ib, uint32_t flags);
+void vcn_dec_sw_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
+      uint32_t val, uint32_t mask);
+void vcn_dec_sw_ring_emit_vm_flush(struct amdgpu_ring *ring,
+      uint32_t vmid, uint64_t pd_addr);
+void vcn_dec_sw_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg,
+      uint32_t val);
+
+#endif /* __VCN_SW_RING_H__ */
-- 
2.25.1

[PATCH v2 2/3] drm/amdgpu/vcn3: replace ip based software ring decode with common vcn software ring decode

[James Zhu]

Replace ip based software ring decode with common vcn software ring decode.

Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Christian Koenig <Christian.Koenig@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c | 80 +++------------------------
 drivers/gpu/drm/amd/amdgpu/vcn_v3_0.h | 12 ----
 2 files changed, 9 insertions(+), 83 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
index c7280ca5e836..3cabceee5f57 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
@@ -30,6 +30,7 @@
 #include "soc15d.h"
 #include "vcn_v2_0.h"
 #include "mmsch_v3_0.h"
+#include "vcn_sw_ring.h"
 
 #include "vcn/vcn_3_0_0_offset.h"
 #include "vcn/vcn_3_0_0_sh_mask.h"
@@ -1731,67 +1732,6 @@ static void vcn_v3_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
 	}
 }
 
-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);
-
-	amdgpu_ring_write(ring, VCN_DEC_SW_CMD_FENCE);
-	amdgpu_ring_write(ring, addr);
-	amdgpu_ring_write(ring, upper_32_bits(addr));
-	amdgpu_ring_write(ring, seq);
-	amdgpu_ring_write(ring, VCN_DEC_SW_CMD_TRAP);
-}
-
-void vcn_v3_0_dec_sw_ring_insert_end(struct amdgpu_ring *ring)
-{
-	amdgpu_ring_write(ring, VCN_DEC_SW_CMD_END);
-}
-
-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);
-
-	amdgpu_ring_write(ring, VCN_DEC_SW_CMD_IB);
-	amdgpu_ring_write(ring, vmid);
-	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
-	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
-	amdgpu_ring_write(ring, ib->length_dw);
-}
-
-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);
-	amdgpu_ring_write(ring, mask);
-	amdgpu_ring_write(ring, val);
-}
-
-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;
-
-	pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
-
-	/* wait for register write */
-	data0 = hub->ctx0_ptb_addr_lo32 + vmid * hub->ctx_addr_distance;
-	data1 = lower_32_bits(pd_addr);
-	mask = 0xffffffff;
-	vcn_v3_0_dec_sw_ring_emit_reg_wait(ring, data0, data1, mask);
-}
-
-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);
-	amdgpu_ring_write(ring, val);
-}
-
 static const struct amdgpu_ring_funcs vcn_v3_0_dec_sw_ring_vm_funcs = {
 	.type = AMDGPU_RING_TYPE_VCN_DEC,
 	.align_mask = 0x3f,
@@ -1804,22 +1744,20 @@ static const struct amdgpu_ring_funcs vcn_v3_0_dec_sw_ring_vm_funcs = {
 	.emit_frame_size =
 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
-		4 + /* vcn_v3_0_dec_sw_ring_emit_vm_flush */
-		5 + 5 + /* vcn_v3_0_dec_sw_ring_emit_fdec_swe x2 vm fdec_swe */
-		1, /* vcn_v3_0_dec_sw_ring_insert_end */
-	.emit_ib_size = 5, /* vcn_v3_0_dec_sw_ring_emit_ib */
-	.emit_ib = vcn_v3_0_dec_sw_ring_emit_ib,
-	.emit_fence = vcn_v3_0_dec_sw_ring_emit_fence,
-	.emit_vm_flush = vcn_v3_0_dec_sw_ring_emit_vm_flush,
+		VCN_SW_RING_EMIT_FRAME_SIZE,
+	.emit_ib_size = 5, /* vcn_dec_sw_ring_emit_ib */
+	.emit_ib = vcn_dec_sw_ring_emit_ib,
+	.emit_fence = vcn_dec_sw_ring_emit_fence,
+	.emit_vm_flush = vcn_dec_sw_ring_emit_vm_flush,
 	.test_ring = amdgpu_vcn_dec_sw_ring_test_ring,
 	.test_ib = NULL,//amdgpu_vcn_dec_sw_ring_test_ib,
 	.insert_nop = amdgpu_ring_insert_nop,
-	.insert_end = vcn_v3_0_dec_sw_ring_insert_end,
+	.insert_end = vcn_dec_sw_ring_insert_end,
 	.pad_ib = amdgpu_ring_generic_pad_ib,
 	.begin_use = amdgpu_vcn_ring_begin_use,
 	.end_use = amdgpu_vcn_ring_end_use,
-	.emit_wreg = vcn_v3_0_dec_sw_ring_emit_wreg,
-	.emit_reg_wait = vcn_v3_0_dec_sw_ring_emit_reg_wait,
+	.emit_wreg = vcn_dec_sw_ring_emit_wreg,
+	.emit_reg_wait = vcn_dec_sw_ring_emit_reg_wait,
 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
 };
 
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.h b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.h
index 7a6655d3b79d..31683582d778 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.h
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.h
@@ -26,16 +26,4 @@
 
 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__ */
-- 
2.25.1

[PATCH v2 3/3] drm/amdgpu/vcn4: replace ip based software ring decode with common vcn software ring decode

[James Zhu]

Replace ip based software ring decode with common vcn software ring decode.

Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Christian Koenig <Christian.Koenig@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c | 20 +++++++++-----------
 1 file changed, 9 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
index 652f8b4c0b09..bb74ff314e75 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
@@ -29,7 +29,7 @@
 #include "soc15d.h"
 #include "soc15_hw_ip.h"
 #include "vcn_v2_0.h"
-#include "vcn_v3_0.h"
+#include "vcn_sw_ring.h"
 
 #include "vcn/vcn_4_0_0_offset.h"
 #include "vcn/vcn_4_0_0_sh_mask.h"
@@ -1490,22 +1490,20 @@ static const struct amdgpu_ring_funcs vcn_v4_0_dec_sw_ring_vm_funcs = {
 	.emit_frame_size =
 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
-		4 + /* vcn_v3_0_dec_sw_ring_emit_vm_flush */
-		5 + 5 + /* vcn_v3_0_dec_sw_ring_emit_fdec_swe x2 vm fdec_swe */
-		1, /* vcn_v3_0_dec_sw_ring_insert_end */
-	.emit_ib_size = 5, /* vcn_v3_0_dec_sw_ring_emit_ib */
-	.emit_ib = vcn_v3_0_dec_sw_ring_emit_ib,
-	.emit_fence = vcn_v3_0_dec_sw_ring_emit_fence,
-	.emit_vm_flush = vcn_v3_0_dec_sw_ring_emit_vm_flush,
+		VCN_SW_RING_EMIT_FRAME_SIZE,
+	.emit_ib_size = 5, /* vcn_dec_sw_ring_emit_ib */
+	.emit_ib = vcn_dec_sw_ring_emit_ib,
+	.emit_fence = vcn_dec_sw_ring_emit_fence,
+	.emit_vm_flush = vcn_dec_sw_ring_emit_vm_flush,
 	.test_ring = amdgpu_vcn_dec_sw_ring_test_ring,
 	.test_ib = amdgpu_vcn_dec_sw_ring_test_ib,
 	.insert_nop = amdgpu_ring_insert_nop,
-	.insert_end = vcn_v3_0_dec_sw_ring_insert_end,
+	.insert_end = vcn_dec_sw_ring_insert_end,
 	.pad_ib = amdgpu_ring_generic_pad_ib,
 	.begin_use = amdgpu_vcn_ring_begin_use,
 	.end_use = amdgpu_vcn_ring_end_use,
-	.emit_wreg = vcn_v3_0_dec_sw_ring_emit_wreg,
-	.emit_reg_wait = vcn_v3_0_dec_sw_ring_emit_reg_wait,
+	.emit_wreg = vcn_dec_sw_ring_emit_wreg,
+	.emit_reg_wait = vcn_dec_sw_ring_emit_reg_wait,
 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
 };
 
-- 
2.25.1