drm/amdgpu: move align_mask and nop into ring funcs as well (v2)

They are constant as well.

v2: update uvd and vce phys ring structures as well
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -65,7 +65,7 @@ int amdgpu_ring_alloc(struct amdgpu_ring *ring, unsigned ndw)
 {
 	/* Align requested size with padding so unlock_commit can
 	 * pad safely */
-	ndw = (ndw + ring->align_mask) & ~ring->align_mask;
+	ndw = (ndw + ring->funcs->align_mask) & ~ring->funcs->align_mask;
 
 	/* Make sure we aren't trying to allocate more space
 	 * than the maximum for one submission
@@ -94,7 +94,7 @@ void amdgpu_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
 	int i;
 
 	for (i = 0; i < count; i++)
-		amdgpu_ring_write(ring, ring->nop);
+		amdgpu_ring_write(ring, ring->funcs->nop);
 }
 
 /** amdgpu_ring_generic_pad_ib - pad IB with NOP packets
@@ -106,8 +106,8 @@ void amdgpu_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
  */
 void amdgpu_ring_generic_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib)
 {
-	while (ib->length_dw & ring->align_mask)
-		ib->ptr[ib->length_dw++] = ring->nop;
+	while (ib->length_dw & ring->funcs->align_mask)
+		ib->ptr[ib->length_dw++] = ring->funcs->nop;
 }
 
 /**
@@ -125,8 +125,9 @@ void amdgpu_ring_commit(struct amdgpu_ring *ring)
 	uint32_t count;
 
 	/* We pad to match fetch size */
-	count = ring->align_mask + 1 - (ring->wptr & ring->align_mask);
-	count %= ring->align_mask + 1;
+	count = ring->funcs->align_mask + 1 -
+		(ring->wptr & ring->funcs->align_mask);
+	count %= ring->funcs->align_mask + 1;
 	ring->funcs->insert_nop(ring, count);
 
 	mb();
@@ -163,8 +164,8 @@ void amdgpu_ring_undo(struct amdgpu_ring *ring)
  * Returns 0 on success, error on failure.
  */
 int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
-		     unsigned max_dw, u32 nop, u32 align_mask,
-		     struct amdgpu_irq_src *irq_src, unsigned irq_type)
+		     unsigned max_dw, struct amdgpu_irq_src *irq_src,
+		     unsigned irq_type)
 {
 	int r;
 
@@ -215,8 +216,6 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
 
 	ring->ring_size = roundup_pow_of_two(max_dw * 4 *
 					     amdgpu_sched_hw_submission);
-	ring->align_mask = align_mask;
-	ring->nop = nop;
 
 	/* Allocate ring buffer */
 	if (ring->ring_obj == NULL) {

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

@@ -93,6 +93,8 @@ unsigned amdgpu_fence_count_emitted(struct amdgpu_ring *ring);
 /* provided by hw blocks that expose a ring buffer for commands */
 struct amdgpu_ring_funcs {
 	enum amdgpu_ring_type	type;
+	uint32_t		align_mask;
+	u32			nop;
 
 	/* ring read/write ptr handling */
 	u32 (*get_rptr)(struct amdgpu_ring *ring);
@@ -149,10 +151,8 @@ struct amdgpu_ring {
 	unsigned		max_dw;
 	int			count_dw;
 	uint64_t		gpu_addr;
-	uint32_t		align_mask;
 	uint32_t		ptr_mask;
 	bool			ready;
-	u32			nop;
 	u32			idx;
 	u32			me;
 	u32			pipe;
@@ -178,8 +178,8 @@ void amdgpu_ring_generic_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib);
 void amdgpu_ring_commit(struct amdgpu_ring *ring);
 void amdgpu_ring_undo(struct amdgpu_ring *ring);
 int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
-		     unsigned ring_size, u32 nop, u32 align_mask,
-		     struct amdgpu_irq_src *irq_src, unsigned irq_type);
+		     unsigned ring_size, struct amdgpu_irq_src *irq_src,
+		     unsigned irq_type);
 void amdgpu_ring_fini(struct amdgpu_ring *ring);
 
 #endif

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

@@ -206,10 +206,10 @@ static void cik_sdma_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
 
 	for (i = 0; i < count; i++)
 		if (sdma && sdma->burst_nop && (i == 0))
-			amdgpu_ring_write(ring, ring->nop |
+			amdgpu_ring_write(ring, ring->funcs->nop |
 					  SDMA_NOP_COUNT(count - 1));
 		else
-			amdgpu_ring_write(ring, ring->nop);
+			amdgpu_ring_write(ring, ring->funcs->nop);
 }
 
 /**
@@ -943,7 +943,6 @@ static int cik_sdma_sw_init(void *handle)
 		ring->ring_obj = NULL;
 		sprintf(ring->name, "sdma%d", i);
 		r = amdgpu_ring_init(adev, ring, 1024,
-				     SDMA_PACKET(SDMA_OPCODE_NOP, 0, 0), 0xf,
 				     &adev->sdma.trap_irq,
 				     (i == 0) ?
 				     AMDGPU_SDMA_IRQ_TRAP0 :
@@ -1210,6 +1209,8 @@ const struct amd_ip_funcs cik_sdma_ip_funcs = {
 
 static const struct amdgpu_ring_funcs cik_sdma_ring_funcs = {
 	.type = AMDGPU_RING_TYPE_SDMA,
+	.align_mask = 0xf,
+	.nop = SDMA_PACKET(SDMA_OPCODE_NOP, 0, 0),
 	.get_rptr = cik_sdma_ring_get_rptr,
 	.get_wptr = cik_sdma_ring_get_wptr,
 	.set_wptr = cik_sdma_ring_set_wptr,

drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c

@@ -2869,7 +2869,6 @@ static int gfx_v6_0_sw_init(void *handle)
 		ring->ring_obj = NULL;
 		sprintf(ring->name, "gfx");
 		r = amdgpu_ring_init(adev, ring, 1024,
-				     0x80000000, 0xff,
 				     &adev->gfx.eop_irq, AMDGPU_CP_IRQ_GFX_EOP);
 		if (r)
 			return r;
@@ -2892,7 +2891,6 @@ static int gfx_v6_0_sw_init(void *handle)
 		sprintf(ring->name, "comp %d.%d.%d", ring->me, ring->pipe, ring->queue);
 		irq_type = AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP + ring->pipe;
 		r = amdgpu_ring_init(adev, ring, 1024,
-				     0x80000000, 0xff,
 				     &adev->gfx.eop_irq, irq_type);
 		if (r)
 			return r;
@@ -3227,6 +3225,8 @@ const struct amd_ip_funcs gfx_v6_0_ip_funcs = {
 
 static const struct amdgpu_ring_funcs gfx_v6_0_ring_funcs_gfx = {
 	.type = AMDGPU_RING_TYPE_GFX,
+	.align_mask = 0xff,
+	.nop = 0x80000000,
 	.get_rptr = gfx_v6_0_ring_get_rptr,
 	.get_wptr = gfx_v6_0_ring_get_wptr,
 	.set_wptr = gfx_v6_0_ring_set_wptr_gfx,
@@ -3252,6 +3252,8 @@ static const struct amdgpu_ring_funcs gfx_v6_0_ring_funcs_gfx = {
 
 static const struct amdgpu_ring_funcs gfx_v6_0_ring_funcs_compute = {
 	.type = AMDGPU_RING_TYPE_COMPUTE,
+	.align_mask = 0xff,
+	.nop = 0x80000000,
 	.get_rptr = gfx_v6_0_ring_get_rptr,
 	.get_wptr = gfx_v6_0_ring_get_wptr,
 	.set_wptr = gfx_v6_0_ring_set_wptr_compute,

drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c

@@ -4611,7 +4611,6 @@ static int gfx_v7_0_sw_init(void *handle)
 		ring->ring_obj = NULL;
 		sprintf(ring->name, "gfx");
 		r = amdgpu_ring_init(adev, ring, 1024,
-				     PACKET3(PACKET3_NOP, 0x3FFF), 0xff,
 				     &adev->gfx.eop_irq, AMDGPU_CP_IRQ_GFX_EOP);
 		if (r)
 			return r;
@@ -4637,7 +4636,6 @@ static int gfx_v7_0_sw_init(void *handle)
 		irq_type = AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP + ring->pipe;
 		/* type-2 packets are deprecated on MEC, use type-3 instead */
 		r = amdgpu_ring_init(adev, ring, 1024,
-				     PACKET3(PACKET3_NOP, 0x3FFF), 0xff,
 				     &adev->gfx.eop_irq, irq_type);
 		if (r)
 			return r;
@@ -5108,6 +5106,8 @@ const struct amd_ip_funcs gfx_v7_0_ip_funcs = {
 
 static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_gfx = {
 	.type = AMDGPU_RING_TYPE_GFX,
+	.align_mask = 0xff,
+	.nop = PACKET3(PACKET3_NOP, 0x3FFF),
 	.get_rptr = gfx_v7_0_ring_get_rptr,
 	.get_wptr = gfx_v7_0_ring_get_wptr_gfx,
 	.set_wptr = gfx_v7_0_ring_set_wptr_gfx,
@@ -5136,6 +5136,8 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_gfx = {
 
 static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_compute = {
 	.type = AMDGPU_RING_TYPE_COMPUTE,
+	.align_mask = 0xff,
+	.nop = PACKET3(PACKET3_NOP, 0x3FFF),
 	.get_rptr = gfx_v7_0_ring_get_rptr,
 	.get_wptr = gfx_v7_0_ring_get_wptr_compute,
 	.set_wptr = gfx_v7_0_ring_set_wptr_compute,

drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c

@@ -2034,9 +2034,8 @@ static int gfx_v8_0_sw_init(void *handle)
 			ring->doorbell_index = AMDGPU_DOORBELL_GFX_RING0;
 		}
 
-		r = amdgpu_ring_init(adev, ring, 1024,
-				     PACKET3(PACKET3_NOP, 0x3FFF), 0xff,
-				     &adev->gfx.eop_irq, AMDGPU_CP_IRQ_GFX_EOP);
+		r = amdgpu_ring_init(adev, ring, 1024, &adev->gfx.eop_irq,
+				     AMDGPU_CP_IRQ_GFX_EOP);
 		if (r)
 			return r;
 	}
@@ -2060,9 +2059,8 @@ static int gfx_v8_0_sw_init(void *handle)
 		sprintf(ring->name, "comp_%d.%d.%d", ring->me, ring->pipe, ring->queue);
 		irq_type = AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP + ring->pipe;
 		/* type-2 packets are deprecated on MEC, use type-3 instead */
-		r = amdgpu_ring_init(adev, ring, 1024,
-				     PACKET3(PACKET3_NOP, 0x3FFF), 0xff,
-				     &adev->gfx.eop_irq, irq_type);
+		r = amdgpu_ring_init(adev, ring, 1024, &adev->gfx.eop_irq,
+				     irq_type);
 		if (r)
 			return r;
 	}
@@ -6528,6 +6526,8 @@ const struct amd_ip_funcs gfx_v8_0_ip_funcs = {
 
 static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_gfx = {
 	.type = AMDGPU_RING_TYPE_GFX,
+	.align_mask = 0xff,
+	.nop = PACKET3(PACKET3_NOP, 0x3FFF),
 	.get_rptr = gfx_v8_0_ring_get_rptr,
 	.get_wptr = gfx_v8_0_ring_get_wptr_gfx,
 	.set_wptr = gfx_v8_0_ring_set_wptr_gfx,
@@ -6558,6 +6558,8 @@ static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_gfx = {
 
 static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_compute = {
 	.type = AMDGPU_RING_TYPE_COMPUTE,
+	.align_mask = 0xff,
+	.nop = PACKET3(PACKET3_NOP, 0x3FFF),
 	.get_rptr = gfx_v8_0_ring_get_rptr,
 	.get_wptr = gfx_v8_0_ring_get_wptr_compute,
 	.set_wptr = gfx_v8_0_ring_set_wptr_compute,

drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c

@@ -232,10 +232,10 @@ static void sdma_v2_4_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
 
 	for (i = 0; i < count; i++)
 		if (sdma && sdma->burst_nop && (i == 0))
-			amdgpu_ring_write(ring, ring->nop |
+			amdgpu_ring_write(ring, ring->funcs->nop |
 				SDMA_PKT_NOP_HEADER_COUNT(count - 1));
 		else
-			amdgpu_ring_write(ring, ring->nop);
+			amdgpu_ring_write(ring, ring->funcs->nop);
 }
 
 /**
@@ -949,7 +949,6 @@ static int sdma_v2_4_sw_init(void *handle)
 		ring->use_doorbell = false;
 		sprintf(ring->name, "sdma%d", i);
 		r = amdgpu_ring_init(adev, ring, 1024,
-				     SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP), 0xf,
 				     &adev->sdma.trap_irq,
 				     (i == 0) ?
 				     AMDGPU_SDMA_IRQ_TRAP0 :
@@ -1207,6 +1206,8 @@ const struct amd_ip_funcs sdma_v2_4_ip_funcs = {
 
 static const struct amdgpu_ring_funcs sdma_v2_4_ring_funcs = {
 	.type = AMDGPU_RING_TYPE_SDMA,
+	.align_mask = 0xf,
+	.nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP),
 	.get_rptr = sdma_v2_4_ring_get_rptr,
 	.get_wptr = sdma_v2_4_ring_get_wptr,
 	.set_wptr = sdma_v2_4_ring_set_wptr,

drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c

@@ -392,10 +392,10 @@ static void sdma_v3_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
 
 	for (i = 0; i < count; i++)
 		if (sdma && sdma->burst_nop && (i == 0))
-			amdgpu_ring_write(ring, ring->nop |
+			amdgpu_ring_write(ring, ring->funcs->nop |
 				SDMA_PKT_NOP_HEADER_COUNT(count - 1));
 		else
-			amdgpu_ring_write(ring, ring->nop);
+			amdgpu_ring_write(ring, ring->funcs->nop);
 }
 
 /**
@@ -1161,7 +1161,6 @@ static int sdma_v3_0_sw_init(void *handle)
 
 		sprintf(ring->name, "sdma%d", i);
 		r = amdgpu_ring_init(adev, ring, 1024,
-				     SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP), 0xf,
 				     &adev->sdma.trap_irq,
 				     (i == 0) ?
 				     AMDGPU_SDMA_IRQ_TRAP0 :
@@ -1550,6 +1549,8 @@ const struct amd_ip_funcs sdma_v3_0_ip_funcs = {
 
 static const struct amdgpu_ring_funcs sdma_v3_0_ring_funcs = {
 	.type = AMDGPU_RING_TYPE_SDMA,
+	.align_mask = 0xf,
+	.nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP),
 	.get_rptr = sdma_v3_0_ring_get_rptr,
 	.get_wptr = sdma_v3_0_ring_get_wptr,
 	.set_wptr = sdma_v3_0_ring_set_wptr,

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

@@ -531,7 +531,6 @@ static int si_dma_sw_init(void *handle)
 		ring->use_doorbell = false;
 		sprintf(ring->name, "sdma%d", i);
 		r = amdgpu_ring_init(adev, ring, 1024,
-				     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0, 0), 0xf,
 				     &adev->sdma.trap_irq,
 				     (i == 0) ?
 				     AMDGPU_SDMA_IRQ_TRAP0 :
@@ -765,6 +764,8 @@ const struct amd_ip_funcs si_dma_ip_funcs = {
 
 static const struct amdgpu_ring_funcs si_dma_ring_funcs = {
 	.type = AMDGPU_RING_TYPE_SDMA,
+	.align_mask = 0xf,
+	.nop = DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0, 0),
 	.get_rptr = si_dma_ring_get_rptr,
 	.get_wptr = si_dma_ring_get_wptr,
 	.set_wptr = si_dma_ring_set_wptr,

drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c

@@ -116,8 +116,7 @@ static int uvd_v4_2_sw_init(void *handle)
 
 	ring = &adev->uvd.ring;
 	sprintf(ring->name, "uvd");
-	r = amdgpu_ring_init(adev, ring, 512, PACKET0(mmUVD_NO_OP, 0), 0xf,
-			     &adev->uvd.irq, 0);
+	r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.irq, 0);
 
 	return r;
 }
@@ -743,6 +742,8 @@ const struct amd_ip_funcs uvd_v4_2_ip_funcs = {
 
 static const struct amdgpu_ring_funcs uvd_v4_2_ring_funcs = {
 	.type = AMDGPU_RING_TYPE_UVD,
+	.align_mask = 0xf,
+	.nop = PACKET0(mmUVD_NO_OP, 0),
 	.get_rptr = uvd_v4_2_ring_get_rptr,
 	.get_wptr = uvd_v4_2_ring_get_wptr,
 	.set_wptr = uvd_v4_2_ring_set_wptr,

drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c

@@ -112,8 +112,7 @@ static int uvd_v5_0_sw_init(void *handle)
 
 	ring = &adev->uvd.ring;
 	sprintf(ring->name, "uvd");
-	r = amdgpu_ring_init(adev, ring, 512, PACKET0(mmUVD_NO_OP, 0), 0xf,
-			     &adev->uvd.irq, 0);
+	r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.irq, 0);
 
 	return r;
 }
@@ -794,6 +793,8 @@ const struct amd_ip_funcs uvd_v5_0_ip_funcs = {
 
 static const struct amdgpu_ring_funcs uvd_v5_0_ring_funcs = {
 	.type = AMDGPU_RING_TYPE_UVD,
+	.align_mask = 0xf,
+	.nop = PACKET0(mmUVD_NO_OP, 0),
 	.get_rptr = uvd_v5_0_ring_get_rptr,
 	.get_wptr = uvd_v5_0_ring_get_wptr,
 	.set_wptr = uvd_v5_0_ring_set_wptr,

drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c

@@ -116,8 +116,7 @@ static int uvd_v6_0_sw_init(void *handle)
 
 	ring = &adev->uvd.ring;
 	sprintf(ring->name, "uvd");
-	r = amdgpu_ring_init(adev, ring, 512, PACKET0(mmUVD_NO_OP, 0), 0xf,
-			     &adev->uvd.irq, 0);
+	r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.irq, 0);
 
 	return r;
 }
@@ -1024,6 +1023,8 @@ const struct amd_ip_funcs uvd_v6_0_ip_funcs = {
 
 static const struct amdgpu_ring_funcs uvd_v6_0_ring_phys_funcs = {
 	.type = AMDGPU_RING_TYPE_UVD,
+	.align_mask = 0xf,
+	.nop = PACKET0(mmUVD_NO_OP, 0),
 	.get_rptr = uvd_v6_0_ring_get_rptr,
 	.get_wptr = uvd_v6_0_ring_get_wptr,
 	.set_wptr = uvd_v6_0_ring_set_wptr,
@@ -1048,6 +1049,8 @@ static const struct amdgpu_ring_funcs uvd_v6_0_ring_phys_funcs = {
 
 static const struct amdgpu_ring_funcs uvd_v6_0_ring_vm_funcs = {
 	.type = AMDGPU_RING_TYPE_UVD,
+	.align_mask = 0xf,
+	.nop = PACKET0(mmUVD_NO_OP, 0),
 	.get_rptr = uvd_v6_0_ring_get_rptr,
 	.get_wptr = uvd_v6_0_ring_get_wptr,
 	.set_wptr = uvd_v6_0_ring_set_wptr,

drivers/gpu/drm/amd/amdgpu/vce_v2_0.c

@@ -224,7 +224,7 @@ static int vce_v2_0_sw_init(void *handle)
 	for (i = 0; i < adev->vce.num_rings; i++) {
 		ring = &adev->vce.ring[i];
 		sprintf(ring->name, "vce%d", i);
-		r = amdgpu_ring_init(adev, ring, 512, VCE_CMD_NO_OP, 0xf,
+		r = amdgpu_ring_init(adev, ring, 512,
 				     &adev->vce.irq, 0);
 		if (r)
 			return r;
@@ -611,6 +611,8 @@ const struct amd_ip_funcs vce_v2_0_ip_funcs = {
 
 static const struct amdgpu_ring_funcs vce_v2_0_ring_funcs = {
 	.type = AMDGPU_RING_TYPE_VCE,
+	.align_mask = 0xf,
+	.nop = VCE_CMD_NO_OP,
 	.get_rptr = vce_v2_0_ring_get_rptr,
 	.get_wptr = vce_v2_0_ring_get_wptr,
 	.set_wptr = vce_v2_0_ring_set_wptr,

drivers/gpu/drm/amd/amdgpu/vce_v3_0.c

@@ -389,8 +389,7 @@ static int vce_v3_0_sw_init(void *handle)
 	for (i = 0; i < adev->vce.num_rings; i++) {
 		ring = &adev->vce.ring[i];
 		sprintf(ring->name, "vce%d", i);
-		r = amdgpu_ring_init(adev, ring, 512, VCE_CMD_NO_OP, 0xf,
-				     &adev->vce.irq, 0);
+		r = amdgpu_ring_init(adev, ring, 512, &adev->vce.irq, 0);
 		if (r)
 			return r;
 	}
@@ -830,6 +829,8 @@ const struct amd_ip_funcs vce_v3_0_ip_funcs = {
 
 static const struct amdgpu_ring_funcs vce_v3_0_ring_phys_funcs = {
 	.type = AMDGPU_RING_TYPE_VCE,
+	.align_mask = 0xf,
+	.nop = VCE_CMD_NO_OP,
 	.get_rptr = vce_v3_0_ring_get_rptr,
 	.get_wptr = vce_v3_0_ring_get_wptr,
 	.set_wptr = vce_v3_0_ring_set_wptr,
@@ -850,6 +851,8 @@ static const struct amdgpu_ring_funcs vce_v3_0_ring_phys_funcs = {
 
 static const struct amdgpu_ring_funcs vce_v3_0_ring_vm_funcs = {
 	.type = AMDGPU_RING_TYPE_VCE,
+	.align_mask = 0xf,
+	.nop = VCE_CMD_NO_OP,
 	.get_rptr = vce_v3_0_ring_get_rptr,
 	.get_wptr = vce_v3_0_ring_get_wptr,
 	.set_wptr = vce_v3_0_ring_set_wptr,