提交 9096d6e5 编写于 作者: C Christian König 提交者: Alex Deucher

drm/amdgpu: implement gmc_v9_0_emit_flush_gpu_tlb

Unify tlb flushing for gmc v9.
Signed-off-by: NChristian König <christian.koenig@amd.com>
Acked-by: NChunming Zhou <david1.zhou@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>
上级 5518625d
......@@ -69,7 +69,6 @@ struct amdgpu_gmc_funcs {
/* get the pde for a given mc addr */
void (*get_vm_pde)(struct amdgpu_device *adev, int level,
u64 *dst, u64 *flags);
uint32_t (*get_invalidate_req)(unsigned int vmid);
};
struct amdgpu_gmc {
......
......@@ -3688,31 +3688,16 @@ static void gfx_v9_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
uint64_t pd_addr)
{
struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
int usepfp = (ring->funcs->type == AMDGPU_RING_TYPE_GFX);
uint32_t req = ring->adev->gmc.gmc_funcs->get_invalidate_req(vmid);
uint64_t flags = AMDGPU_PTE_VALID;
unsigned eng = ring->vm_inv_eng;
amdgpu_gmc_get_vm_pde(ring->adev, -1, &pd_addr, &flags);
pd_addr |= flags;
gfx_v9_0_write_data_to_reg(ring, usepfp, true,
hub->ctx0_ptb_addr_lo32 + (2 * vmid),
lower_32_bits(pd_addr));
gfx_v9_0_write_data_to_reg(ring, usepfp, true,
hub->ctx0_ptb_addr_hi32 + (2 * vmid),
upper_32_bits(pd_addr));
gfx_v9_0_write_data_to_reg(ring, usepfp, true,
hub->vm_inv_eng0_req + eng, req);
amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pasid, pd_addr);
/* wait for the invalidate to complete */
gfx_v9_0_wait_reg_mem(ring, 0, 0, 0, hub->vm_inv_eng0_ack +
eng, 0, 1 << vmid, 1 << vmid, 0x20);
gfx_v9_0_wait_reg_mem(ring, 0, 0, 0, hub->vm_inv_eng0_ack + eng,
0, 1 << vmid, 1 << vmid, 0x20);
/* compute doesn't have PFP */
if (usepfp) {
if (ring->funcs->type == AMDGPU_RING_TYPE_GFX) {
/* sync PFP to ME, otherwise we might get invalid PFP reads */
amdgpu_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
amdgpu_ring_write(ring, 0x0);
......@@ -4312,7 +4297,7 @@ static const struct amdgpu_ring_funcs gfx_v9_0_ring_funcs_gfx = {
.emit_frame_size = /* totally 242 maximum if 16 IBs */
5 + /* COND_EXEC */
7 + /* PIPELINE_SYNC */
24 + /* VM_FLUSH */
SOC15_FLUSH_GPU_TLB_NUM_WREG * 5 + 9 + /* VM_FLUSH */
8 + /* FENCE for VM_FLUSH */
20 + /* GDS switch */
4 + /* double SWITCH_BUFFER,
......@@ -4361,7 +4346,7 @@ static const struct amdgpu_ring_funcs gfx_v9_0_ring_funcs_compute = {
7 + /* gfx_v9_0_ring_emit_hdp_flush */
5 + /* gfx_v9_0_ring_emit_hdp_invalidate */
7 + /* gfx_v9_0_ring_emit_pipeline_sync */
24 + /* gfx_v9_0_ring_emit_vm_flush */
SOC15_FLUSH_GPU_TLB_NUM_WREG * 5 + 9 + /* gfx_v9_0_ring_emit_vm_flush */
8 + 8 + 8, /* gfx_v9_0_ring_emit_fence x3 for user fence, vm fence */
.emit_ib_size = 4, /* gfx_v9_0_ring_emit_ib_compute */
.emit_ib = gfx_v9_0_ring_emit_ib_compute,
......@@ -4393,7 +4378,7 @@ static const struct amdgpu_ring_funcs gfx_v9_0_ring_funcs_kiq = {
7 + /* gfx_v9_0_ring_emit_hdp_flush */
5 + /* gfx_v9_0_ring_emit_hdp_invalidate */
7 + /* gfx_v9_0_ring_emit_pipeline_sync */
24 + /* gfx_v9_0_ring_emit_vm_flush */
SOC15_FLUSH_GPU_TLB_NUM_WREG * 5 + 9 + /* gfx_v9_0_ring_emit_vm_flush */
8 + 8 + 8, /* gfx_v9_0_ring_emit_fence_kiq x3 for user fence, vm fence */
.emit_ib_size = 4, /* gfx_v9_0_ring_emit_ib_compute */
.emit_ib = gfx_v9_0_ring_emit_ib_compute,
......
......@@ -366,6 +366,29 @@ static void gmc_v9_0_flush_gpu_tlb(struct amdgpu_device *adev,
spin_unlock(&adev->gmc.invalidate_lock);
}
static uint64_t gmc_v9_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
unsigned vmid, unsigned pasid,
uint64_t pd_addr)
{
struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
uint32_t req = gmc_v9_0_get_invalidate_req(vmid);
uint64_t flags = AMDGPU_PTE_VALID;
unsigned eng = ring->vm_inv_eng;
amdgpu_gmc_get_vm_pde(ring->adev, -1, &pd_addr, &flags);
pd_addr |= flags;
amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_lo32 + (2 * vmid),
lower_32_bits(pd_addr));
amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_hi32 + (2 * vmid),
upper_32_bits(pd_addr));
amdgpu_ring_emit_wreg(ring, hub->vm_inv_eng0_req + eng, req);
return pd_addr;
}
/**
* gmc_v9_0_set_pte_pde - update the page tables using MMIO
*
......@@ -491,8 +514,8 @@ static void gmc_v9_0_get_vm_pde(struct amdgpu_device *adev, int level,
static const struct amdgpu_gmc_funcs gmc_v9_0_gmc_funcs = {
.flush_gpu_tlb = gmc_v9_0_flush_gpu_tlb,
.emit_flush_gpu_tlb = gmc_v9_0_emit_flush_gpu_tlb,
.set_pte_pde = gmc_v9_0_set_pte_pde,
.get_invalidate_req = gmc_v9_0_get_invalidate_req,
.get_vm_pte_flags = gmc_v9_0_get_vm_pte_flags,
.get_vm_pde = gmc_v9_0_get_vm_pde
};
......
......@@ -1137,28 +1137,9 @@ static void sdma_v4_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
uint64_t pd_addr)
{
struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
uint32_t req = ring->adev->gmc.gmc_funcs->get_invalidate_req(vmid);
uint64_t flags = AMDGPU_PTE_VALID;
unsigned eng = ring->vm_inv_eng;
amdgpu_gmc_get_vm_pde(ring->adev, -1, &pd_addr, &flags);
pd_addr |= flags;
amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) |
SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf));
amdgpu_ring_write(ring, hub->ctx0_ptb_addr_lo32 + vmid * 2);
amdgpu_ring_write(ring, lower_32_bits(pd_addr));
amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) |
SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf));
amdgpu_ring_write(ring, hub->ctx0_ptb_addr_hi32 + vmid * 2);
amdgpu_ring_write(ring, upper_32_bits(pd_addr));
/* flush TLB */
amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) |
SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf));
amdgpu_ring_write(ring, hub->vm_inv_eng0_req + eng);
amdgpu_ring_write(ring, req);
amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pasid, pd_addr);
/* wait for flush */
amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) |
......@@ -1604,7 +1585,7 @@ static const struct amdgpu_ring_funcs sdma_v4_0_ring_funcs = {
6 + /* sdma_v4_0_ring_emit_hdp_flush */
3 + /* sdma_v4_0_ring_emit_hdp_invalidate */
6 + /* sdma_v4_0_ring_emit_pipeline_sync */
18 + /* sdma_v4_0_ring_emit_vm_flush */
SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 + 6 + /* sdma_v4_0_ring_emit_vm_flush */
10 + 10 + 10, /* sdma_v4_0_ring_emit_fence x3 for user fence, vm fence */
.emit_ib_size = 7 + 6, /* sdma_v4_0_ring_emit_ib */
.emit_ib = sdma_v4_0_ring_emit_ib,
......
......@@ -27,6 +27,8 @@
#include "nbio_v6_1.h"
#include "nbio_v7_0.h"
#define SOC15_FLUSH_GPU_TLB_NUM_WREG 3
extern const struct amd_ip_funcs soc15_common_ip_funcs;
struct soc15_reg_golden {
......
......@@ -25,6 +25,7 @@
#include <drm/drmP.h>
#include "amdgpu.h"
#include "amdgpu_uvd.h"
#include "soc15.h"
#include "soc15d.h"
#include "soc15_common.h"
#include "mmsch_v1_0.h"
......@@ -1295,32 +1296,17 @@ static void uvd_v7_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
uint64_t pd_addr)
{
struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
uint32_t req = ring->adev->gmc.gmc_funcs->get_invalidate_req(vmid);
uint64_t flags = AMDGPU_PTE_VALID;
unsigned eng = ring->vm_inv_eng;
uint32_t data0, data1, mask;
amdgpu_gmc_get_vm_pde(ring->adev, -1, &pd_addr, &flags);
pd_addr |= flags;
data0 = (hub->ctx0_ptb_addr_hi32 + vmid * 2) << 2;
data1 = upper_32_bits(pd_addr);
uvd_v7_0_ring_emit_wreg(ring, data0, data1);
data0 = (hub->ctx0_ptb_addr_lo32 + vmid * 2) << 2;
data1 = lower_32_bits(pd_addr);
uvd_v7_0_ring_emit_wreg(ring, data0, data1);
pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pasid, pd_addr);
/* wait for reg writes */
data0 = (hub->ctx0_ptb_addr_lo32 + vmid * 2) << 2;
data1 = lower_32_bits(pd_addr);
mask = 0xffffffff;
uvd_v7_0_vm_reg_wait(ring, data0, data1, mask);
/* flush TLB */
data0 = (hub->vm_inv_eng0_req + eng) << 2;
data1 = req;
uvd_v7_0_ring_emit_wreg(ring, data0, data1);
/* wait for flush */
data0 = (hub->vm_inv_eng0_ack + eng) << 2;
data1 = 1 << vmid;
......@@ -1348,31 +1334,16 @@ static void uvd_v7_0_enc_ring_emit_vm_flush(struct amdgpu_ring *ring,
uint64_t pd_addr)
{
struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
uint32_t req = ring->adev->gmc.gmc_funcs->get_invalidate_req(vmid);
uint64_t flags = AMDGPU_PTE_VALID;
unsigned eng = ring->vm_inv_eng;
amdgpu_gmc_get_vm_pde(ring->adev, -1, &pd_addr, &flags);
pd_addr |= flags;
amdgpu_ring_write(ring, HEVC_ENC_CMD_REG_WRITE);
amdgpu_ring_write(ring, (hub->ctx0_ptb_addr_hi32 + vmid * 2) << 2);
amdgpu_ring_write(ring, upper_32_bits(pd_addr));
amdgpu_ring_write(ring, HEVC_ENC_CMD_REG_WRITE);
amdgpu_ring_write(ring, (hub->ctx0_ptb_addr_lo32 + vmid * 2) << 2);
amdgpu_ring_write(ring, lower_32_bits(pd_addr));
pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pasid, pd_addr);
/* wait for reg writes */
amdgpu_ring_write(ring, HEVC_ENC_CMD_REG_WAIT);
amdgpu_ring_write(ring, (hub->ctx0_ptb_addr_lo32 + vmid * 2) << 2);
amdgpu_ring_write(ring, 0xffffffff);
amdgpu_ring_write(ring, lower_32_bits(pd_addr));
/* flush TLB */
amdgpu_ring_write(ring, HEVC_ENC_CMD_REG_WRITE);
amdgpu_ring_write(ring, (hub->vm_inv_eng0_req + eng) << 2);
amdgpu_ring_write(ring, req);
/* wait for flush */
amdgpu_ring_write(ring, HEVC_ENC_CMD_REG_WAIT);
amdgpu_ring_write(ring, (hub->vm_inv_eng0_ack + eng) << 2);
......@@ -1724,7 +1695,7 @@ static const struct amdgpu_ring_funcs uvd_v7_0_ring_vm_funcs = {
.emit_frame_size =
2 + /* uvd_v7_0_ring_emit_hdp_flush */
2 + /* uvd_v7_0_ring_emit_hdp_invalidate */
34 + /* uvd_v7_0_ring_emit_vm_flush */
SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 + 16 + /* uvd_v7_0_ring_emit_vm_flush */
14 + 14, /* uvd_v7_0_ring_emit_fence x2 vm fence */
.emit_ib_size = 8, /* uvd_v7_0_ring_emit_ib */
.emit_ib = uvd_v7_0_ring_emit_ib,
......@@ -1751,7 +1722,7 @@ static const struct amdgpu_ring_funcs uvd_v7_0_enc_ring_vm_funcs = {
.get_wptr = uvd_v7_0_enc_ring_get_wptr,
.set_wptr = uvd_v7_0_enc_ring_set_wptr,
.emit_frame_size =
17 + /* uvd_v7_0_enc_ring_emit_vm_flush */
SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 + 8 + /* uvd_v7_0_enc_ring_emit_vm_flush */
5 + 5 + /* uvd_v7_0_enc_ring_emit_fence x2 vm fence */
1, /* uvd_v7_0_enc_ring_insert_end */
.emit_ib_size = 5, /* uvd_v7_0_enc_ring_emit_ib */
......
......@@ -28,6 +28,7 @@
#include <drm/drmP.h>
#include "amdgpu.h"
#include "amdgpu_vce.h"
#include "soc15.h"
#include "soc15d.h"
#include "soc15_common.h"
#include "mmsch_v1_0.h"
......@@ -969,31 +970,16 @@ static void vce_v4_0_emit_vm_flush(struct amdgpu_ring *ring,
uint64_t pd_addr)
{
struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
uint32_t req = ring->adev->gmc.gmc_funcs->get_invalidate_req(vmid);
uint64_t flags = AMDGPU_PTE_VALID;
unsigned eng = ring->vm_inv_eng;
amdgpu_gmc_get_vm_pde(ring->adev, -1, &pd_addr, &flags);
pd_addr |= flags;
amdgpu_ring_write(ring, VCE_CMD_REG_WRITE);
amdgpu_ring_write(ring, (hub->ctx0_ptb_addr_hi32 + vmid * 2) << 2);
amdgpu_ring_write(ring, upper_32_bits(pd_addr));
amdgpu_ring_write(ring, VCE_CMD_REG_WRITE);
amdgpu_ring_write(ring, (hub->ctx0_ptb_addr_lo32 + vmid * 2) << 2);
amdgpu_ring_write(ring, lower_32_bits(pd_addr));
pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pasid, pd_addr);
/* wait for reg writes */
amdgpu_ring_write(ring, VCE_CMD_REG_WAIT);
amdgpu_ring_write(ring, (hub->ctx0_ptb_addr_lo32 + vmid * 2) << 2);
amdgpu_ring_write(ring, 0xffffffff);
amdgpu_ring_write(ring, lower_32_bits(pd_addr));
/* flush TLB */
amdgpu_ring_write(ring, VCE_CMD_REG_WRITE);
amdgpu_ring_write(ring, (hub->vm_inv_eng0_req + eng) << 2);
amdgpu_ring_write(ring, req);
/* wait for flush */
amdgpu_ring_write(ring, VCE_CMD_REG_WAIT);
amdgpu_ring_write(ring, (hub->vm_inv_eng0_ack + eng) << 2);
......@@ -1078,7 +1064,7 @@ static const struct amdgpu_ring_funcs vce_v4_0_ring_vm_funcs = {
.set_wptr = vce_v4_0_ring_set_wptr,
.parse_cs = amdgpu_vce_ring_parse_cs_vm,
.emit_frame_size =
17 + /* vce_v4_0_emit_vm_flush */
SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 + 8 + /* vce_v4_0_emit_vm_flush */
5 + 5 + /* amdgpu_vce_ring_emit_fence x2 vm fence */
1, /* vce_v4_0_ring_insert_end */
.emit_ib_size = 5, /* vce_v4_0_ring_emit_ib */
......
......@@ -25,6 +25,7 @@
#include <drm/drmP.h>
#include "amdgpu.h"
#include "amdgpu_vcn.h"
#include "soc15.h"
#include "soc15d.h"
#include "soc15_common.h"
......@@ -852,22 +853,6 @@ static void vcn_v1_0_dec_ring_emit_ib(struct amdgpu_ring *ring,
amdgpu_ring_write(ring, ib->length_dw);
}
static void vcn_v1_0_dec_vm_reg_write(struct amdgpu_ring *ring,
uint32_t data0, uint32_t data1)
{
struct amdgpu_device *adev = ring->adev;
amdgpu_ring_write(ring,
PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0));
amdgpu_ring_write(ring, data0);
amdgpu_ring_write(ring,
PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0));
amdgpu_ring_write(ring, data1);
amdgpu_ring_write(ring,
PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
amdgpu_ring_write(ring, VCN_DEC_CMD_WRITE_REG << 1);
}
static void vcn_v1_0_dec_vm_reg_wait(struct amdgpu_ring *ring,
uint32_t data0, uint32_t data1, uint32_t mask)
{
......@@ -892,32 +877,17 @@ static void vcn_v1_0_dec_ring_emit_vm_flush(struct amdgpu_ring *ring,
uint64_t pd_addr)
{
struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
uint32_t req = ring->adev->gmc.gmc_funcs->get_invalidate_req(vmid);
uint64_t flags = AMDGPU_PTE_VALID;
unsigned eng = ring->vm_inv_eng;
uint32_t data0, data1, mask;
amdgpu_gmc_get_vm_pde(ring->adev, -1, &pd_addr, &flags);
pd_addr |= flags;
data0 = (hub->ctx0_ptb_addr_hi32 + vmid * 2) << 2;
data1 = upper_32_bits(pd_addr);
vcn_v1_0_dec_vm_reg_write(ring, data0, data1);
data0 = (hub->ctx0_ptb_addr_lo32 + vmid * 2) << 2;
data1 = lower_32_bits(pd_addr);
vcn_v1_0_dec_vm_reg_write(ring, data0, data1);
pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pasid, pd_addr);
/* wait for register write */
data0 = (hub->ctx0_ptb_addr_lo32 + vmid * 2) << 2;
data1 = lower_32_bits(pd_addr);
mask = 0xffffffff;
vcn_v1_0_dec_vm_reg_wait(ring, data0, data1, mask);
/* flush TLB */
data0 = (hub->vm_inv_eng0_req + eng) << 2;
data1 = req;
vcn_v1_0_dec_vm_reg_write(ring, data0, data1);
/* wait for flush */
data0 = (hub->vm_inv_eng0_ack + eng) << 2;
data1 = 1 << vmid;
......@@ -1026,34 +996,17 @@ static void vcn_v1_0_enc_ring_emit_vm_flush(struct amdgpu_ring *ring,
uint64_t pd_addr)
{
struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
uint32_t req = ring->adev->gmc.gmc_funcs->get_invalidate_req(vmid);
uint64_t flags = AMDGPU_PTE_VALID;
unsigned eng = ring->vm_inv_eng;
amdgpu_gmc_get_vm_pde(ring->adev, -1, &pd_addr, &flags);
pd_addr |= flags;
amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WRITE);
amdgpu_ring_write(ring,
(hub->ctx0_ptb_addr_hi32 + vmid * 2) << 2);
amdgpu_ring_write(ring, upper_32_bits(pd_addr));
amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WRITE);
amdgpu_ring_write(ring,
(hub->ctx0_ptb_addr_lo32 + vmid * 2) << 2);
amdgpu_ring_write(ring, lower_32_bits(pd_addr));
pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pasid, pd_addr);
/* wait for reg writes */
amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WAIT);
amdgpu_ring_write(ring,
(hub->ctx0_ptb_addr_lo32 + vmid * 2) << 2);
amdgpu_ring_write(ring, 0xffffffff);
amdgpu_ring_write(ring, lower_32_bits(pd_addr));
/* flush TLB */
amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WRITE);
amdgpu_ring_write(ring, (hub->vm_inv_eng0_req + eng) << 2);
amdgpu_ring_write(ring, req);
/* wait for flush */
amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WAIT);
amdgpu_ring_write(ring, (hub->vm_inv_eng0_ack + eng) << 2);
......@@ -1144,7 +1097,7 @@ static const struct amdgpu_ring_funcs vcn_v1_0_dec_ring_vm_funcs = {
.set_wptr = vcn_v1_0_dec_ring_set_wptr,
.emit_frame_size =
2 + /* vcn_v1_0_dec_ring_emit_hdp_invalidate */
34 + /* vcn_v1_0_dec_ring_emit_vm_flush */
SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 + 16 + /* vcn_v1_0_dec_ring_emit_vm_flush */
14 + 14 + /* vcn_v1_0_dec_ring_emit_fence x2 vm fence */
6,
.emit_ib_size = 8, /* vcn_v1_0_dec_ring_emit_ib */
......@@ -1173,7 +1126,7 @@ static const struct amdgpu_ring_funcs vcn_v1_0_enc_ring_vm_funcs = {
.get_wptr = vcn_v1_0_enc_ring_get_wptr,
.set_wptr = vcn_v1_0_enc_ring_set_wptr,
.emit_frame_size =
17 + /* vcn_v1_0_enc_ring_emit_vm_flush */
SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 + 8 + /* vcn_v1_0_enc_ring_emit_vm_flush */
5 + 5 + /* vcn_v1_0_enc_ring_emit_fence x2 vm fence */
1, /* vcn_v1_0_enc_ring_insert_end */
.emit_ib_size = 5, /* vcn_v1_0_enc_ring_emit_ib */
......
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