From: Boyuan Zhang <boyuan.zh...@amd.com>

For vcn 5_0_0, add ip_block for each vcn instance during discovery stage.

And only powering on/off one of the vcn instance using the
instance value stored in ip_block, instead of powering on/off all
vcn instances. Modify the existing functions to use the instance value
in ip_block, and remove the original for loop for all vcn instances.

v2: rename "i"/"j" to "inst" for instance value.

Signed-off-by: Boyuan Zhang <boyuan.zh...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c |   3 +-
 drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c       | 432 +++++++++---------
 2 files changed, 213 insertions(+), 222 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
index 3c4b56efdef3..b1a868a7e258 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -2362,7 +2362,8 @@ static int amdgpu_discovery_set_mm_ip_blocks(struct 
amdgpu_device *adev)
                        amdgpu_device_ip_block_add(adev, &jpeg_v4_0_5_ip_block);
                        break;
                case IP_VERSION(5, 0, 0):
-                       amdgpu_device_ip_block_add(adev, &vcn_v5_0_0_ip_block);
+                       for (i = 0; i < adev->vcn.num_vcn_inst; ++i)
+                               amdgpu_device_ip_block_add(adev, 
&vcn_v5_0_0_ip_block);
                        amdgpu_device_ip_block_add(adev, &jpeg_v5_0_0_ip_block);
                        break;
                default:
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c 
b/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c
index 1af137e98070..c6f06f778dbf 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c
@@ -116,7 +116,7 @@ static int vcn_v5_0_0_sw_init(struct amdgpu_ip_block 
*ip_block)
 {
        struct amdgpu_ring *ring;
        struct amdgpu_device *adev = ip_block->adev;
-       int i, r;
+       int inst = ip_block->instance, r;
        uint32_t reg_count = ARRAY_SIZE(vcn_reg_list_5_0);
        uint32_t *ptr;
 
@@ -130,46 +130,44 @@ static int vcn_v5_0_0_sw_init(struct amdgpu_ip_block 
*ip_block)
        if (r)
                return r;
 
-       for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
-               volatile struct amdgpu_vcn5_fw_shared *fw_shared;
-
-               if (adev->vcn.harvest_config & (1 << i))
-                       continue;
+       volatile struct amdgpu_vcn5_fw_shared *fw_shared;
 
-               atomic_set(&adev->vcn.inst[i].sched_score, 0);
+       if (adev->vcn.harvest_config & (1 << inst))
+               goto done;
 
-               /* VCN UNIFIED TRAP */
-               r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[i],
-                               VCN_4_0__SRCID__UVD_ENC_GENERAL_PURPOSE, 
&adev->vcn.inst[i].irq);
-               if (r)
-                       return r;
+       atomic_set(&adev->vcn.inst[inst].sched_score, 0);
 
-               /* VCN POISON TRAP */
-               r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[i],
-                               VCN_4_0__SRCID_UVD_POISON, 
&adev->vcn.inst[i].irq);
-               if (r)
-                       return r;
+       /* VCN UNIFIED TRAP */
+       r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[inst],
+                       VCN_4_0__SRCID__UVD_ENC_GENERAL_PURPOSE, 
&adev->vcn.inst[inst].irq);
+       if (r)
+               return r;
 
-               ring = &adev->vcn.inst[i].ring_enc[0];
-               ring->use_doorbell = true;
-               ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 
1) + 2 + 8 * i;
+       /* VCN POISON TRAP */
+       r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[inst],
+                       VCN_4_0__SRCID_UVD_POISON, &adev->vcn.inst[inst].irq);
+       if (r)
+               return r;
 
-               ring->vm_hub = AMDGPU_MMHUB0(0);
-               sprintf(ring->name, "vcn_unified_%d", i);
+       ring = &adev->vcn.inst[inst].ring_enc[0];
+       ring->use_doorbell = true;
+       ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 2 
+ 8 * inst;
 
-               r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[i].irq, 0,
-                                               AMDGPU_RING_PRIO_0, 
&adev->vcn.inst[i].sched_score);
-               if (r)
-                       return r;
+       ring->vm_hub = AMDGPU_MMHUB0(0);
+       sprintf(ring->name, "vcn_unified_%d", inst);
 
-               fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
-               fw_shared->present_flag_0 = 
cpu_to_le32(AMDGPU_FW_SHARED_FLAG_0_UNIFIED_QUEUE);
-               fw_shared->sq.is_enabled = 1;
+       r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[inst].irq, 0,
+                                       AMDGPU_RING_PRIO_0, 
&adev->vcn.inst[inst].sched_score);
+       if (r)
+               return r;
 
-               if (amdgpu_vcnfw_log)
-                       amdgpu_vcn_fwlog_init(&adev->vcn.inst[i]);
-       }
+       fw_shared = adev->vcn.inst[inst].fw_shared.cpu_addr;
+       fw_shared->present_flag_0 = 
cpu_to_le32(AMDGPU_FW_SHARED_FLAG_0_UNIFIED_QUEUE);
+       fw_shared->sq.is_enabled = 1;
 
+       if (amdgpu_vcnfw_log)
+               amdgpu_vcn_fwlog_init(&adev->vcn.inst[inst]);
+done:
        if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
                adev->vcn.pause_dpg_mode = vcn_v5_0_0_pause_dpg_mode;
 
@@ -753,151 +751,147 @@ static int vcn_v5_0_0_start_dpg_mode(struct 
amdgpu_device *adev, int inst_idx, b
  *
  * Start VCN block
  */
-static int vcn_v5_0_0_start(struct amdgpu_device *adev)
+static int vcn_v5_0_0_start(struct amdgpu_device *adev, unsigned int inst)
 {
        volatile struct amdgpu_vcn5_fw_shared *fw_shared;
        struct amdgpu_ring *ring;
        uint32_t tmp;
-       int i, j, k, r;
+       int j, k, r;
 
-       for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
-               if (adev->pm.dpm_enabled)
-                       amdgpu_dpm_enable_vcn(adev, true, i);
+       if (adev->pm.dpm_enabled)
+               amdgpu_dpm_enable_vcn(adev, true, inst);
+
+       if (adev->vcn.harvest_config & (1 << inst))
+               return 0;
+
+       fw_shared = adev->vcn.inst[inst].fw_shared.cpu_addr;
+
+       if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
+               r = vcn_v5_0_0_start_dpg_mode(adev, inst, 
adev->vcn.indirect_sram);
+               return r;
        }
 
-       for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
-               if (adev->vcn.harvest_config & (1 << i))
-                       continue;
+       /* disable VCN power gating */
+       vcn_v5_0_0_disable_static_power_gating(adev, inst);
 
-               fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
+       /* set VCN status busy */
+       tmp = RREG32_SOC15(VCN, inst, regUVD_STATUS) | UVD_STATUS__UVD_BUSY;
+       WREG32_SOC15(VCN, inst, regUVD_STATUS, tmp);
 
-               if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
-                       r = vcn_v5_0_0_start_dpg_mode(adev, i, 
adev->vcn.indirect_sram);
-                       continue;
-               }
+       /* enable VCPU clock */
+       WREG32_P(SOC15_REG_OFFSET(VCN, inst, regUVD_VCPU_CNTL),
+               UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
 
-               /* disable VCN power gating */
-               vcn_v5_0_0_disable_static_power_gating(adev, i);
+       /* disable master interrupt */
+       WREG32_P(SOC15_REG_OFFSET(VCN, inst, regUVD_MASTINT_EN), 0,
+               ~UVD_MASTINT_EN__VCPU_EN_MASK);
 
-               /* set VCN status busy */
-               tmp = RREG32_SOC15(VCN, i, regUVD_STATUS) | 
UVD_STATUS__UVD_BUSY;
-               WREG32_SOC15(VCN, i, regUVD_STATUS, tmp);
+       /* enable LMI MC and UMC channels */
+       WREG32_P(SOC15_REG_OFFSET(VCN, inst, regUVD_LMI_CTRL2), 0,
+               ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
 
-               /* enable VCPU clock */
-               WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL),
-                       UVD_VCPU_CNTL__CLK_EN_MASK, 
~UVD_VCPU_CNTL__CLK_EN_MASK);
+       tmp = RREG32_SOC15(VCN, inst, regUVD_SOFT_RESET);
+       tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
+       tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
+       WREG32_SOC15(VCN, inst, regUVD_SOFT_RESET, tmp);
 
-               /* disable master interrupt */
-               WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_MASTINT_EN), 0,
-                       ~UVD_MASTINT_EN__VCPU_EN_MASK);
+       /* setup regUVD_LMI_CTRL */
+       tmp = RREG32_SOC15(VCN, inst, regUVD_LMI_CTRL);
+       WREG32_SOC15(VCN, inst, regUVD_LMI_CTRL, tmp |
+               UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
+               UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
+               UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
+               UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
 
-               /* enable LMI MC and UMC channels */
-               WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_LMI_CTRL2), 0,
-                       ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
-
-               tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
-               tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
-               tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
-               WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
-
-               /* setup regUVD_LMI_CTRL */
-               tmp = RREG32_SOC15(VCN, i, regUVD_LMI_CTRL);
-               WREG32_SOC15(VCN, i, regUVD_LMI_CTRL, tmp |
-                       UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
-                       UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
-                       UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
-                       UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
-
-               vcn_v5_0_0_mc_resume(adev, i);
-
-               /* VCN global tiling registers */
-               WREG32_SOC15(VCN, i, regUVD_GFX10_ADDR_CONFIG,
-                       adev->gfx.config.gb_addr_config);
-
-               /* unblock VCPU register access */
-               WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_RB_ARB_CTRL), 0,
-                       ~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
-
-               /* release VCPU reset to boot */
-               WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL), 0,
-                       ~UVD_VCPU_CNTL__BLK_RST_MASK);
-
-               for (j = 0; j < 10; ++j) {
-                       uint32_t status;
-
-                       for (k = 0; k < 100; ++k) {
-                               status = RREG32_SOC15(VCN, i, regUVD_STATUS);
-                               if (status & 2)
-                                       break;
-                               mdelay(10);
-                               if (amdgpu_emu_mode == 1)
-                                       msleep(1);
-                       }
+       vcn_v5_0_0_mc_resume(adev, inst);
+
+       /* VCN global tiling registers */
+       WREG32_SOC15(VCN, inst, regUVD_GFX10_ADDR_CONFIG,
+               adev->gfx.config.gb_addr_config);
+
+       /* unblock VCPU register access */
+       WREG32_P(SOC15_REG_OFFSET(VCN, inst, regUVD_RB_ARB_CTRL), 0,
+               ~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
+
+       /* release VCPU reset to boot */
+       WREG32_P(SOC15_REG_OFFSET(VCN, inst, regUVD_VCPU_CNTL), 0,
+               ~UVD_VCPU_CNTL__BLK_RST_MASK);
+
+       for (j = 0; j < 10; ++j) {
+               uint32_t status;
+
+               for (k = 0; k < 100; ++k) {
+                       status = RREG32_SOC15(VCN, inst, regUVD_STATUS);
+                       if (status & 2)
+                               break;
+                       mdelay(10);
+                       if (amdgpu_emu_mode == 1)
+                               msleep(1);
+               }
 
-                       if (amdgpu_emu_mode == 1) {
-                               r = -1;
-                               if (status & 2) {
-                                       r = 0;
-                                       break;
-                               }
-                       } else {
+               if (amdgpu_emu_mode == 1) {
+                       r = -1;
+                       if (status & 2) {
                                r = 0;
-                               if (status & 2)
-                                       break;
-
-                               dev_err(adev->dev,
-                                       "VCN[%d] is not responding, trying to 
reset the VCPU!!!\n", i);
-                               WREG32_P(SOC15_REG_OFFSET(VCN, i, 
regUVD_VCPU_CNTL),
-                                                       
UVD_VCPU_CNTL__BLK_RST_MASK,
-                                                       
~UVD_VCPU_CNTL__BLK_RST_MASK);
-                               mdelay(10);
-                               WREG32_P(SOC15_REG_OFFSET(VCN, i, 
regUVD_VCPU_CNTL), 0,
-                                                       
~UVD_VCPU_CNTL__BLK_RST_MASK);
-
-                               mdelay(10);
-                               r = -1;
+                               break;
                        }
+               } else {
+                       r = 0;
+                       if (status & 2)
+                               break;
+
+                       dev_err(adev->dev,
+                               "VCN[%d] is not responding, trying to reset the 
VCPU!!!\n", inst);
+                       WREG32_P(SOC15_REG_OFFSET(VCN, inst, regUVD_VCPU_CNTL),
+                                               UVD_VCPU_CNTL__BLK_RST_MASK,
+                                               ~UVD_VCPU_CNTL__BLK_RST_MASK);
+                       mdelay(10);
+                       WREG32_P(SOC15_REG_OFFSET(VCN, inst, regUVD_VCPU_CNTL), 
0,
+                                               ~UVD_VCPU_CNTL__BLK_RST_MASK);
+
+                       mdelay(10);
+                       r = -1;
                }
+       }
 
-               if (r) {
-                       dev_err(adev->dev, "VCN[%d] is not responding, giving 
up!!!\n", i);
-                       return r;
-               }
+       if (r) {
+               dev_err(adev->dev, "VCN[%d] is not responding, giving up!!!\n", 
inst);
+               return r;
+       }
 
-               /* enable master interrupt */
-               WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_MASTINT_EN),
-                               UVD_MASTINT_EN__VCPU_EN_MASK,
-                               ~UVD_MASTINT_EN__VCPU_EN_MASK);
+       /* enable master interrupt */
+       WREG32_P(SOC15_REG_OFFSET(VCN, inst, regUVD_MASTINT_EN),
+                       UVD_MASTINT_EN__VCPU_EN_MASK,
+                       ~UVD_MASTINT_EN__VCPU_EN_MASK);
 
-               /* clear the busy bit of VCN_STATUS */
-               WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_STATUS), 0,
-                       ~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
+       /* clear the busy bit of VCN_STATUS */
+       WREG32_P(SOC15_REG_OFFSET(VCN, inst, regUVD_STATUS), 0,
+               ~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
 
-               ring = &adev->vcn.inst[i].ring_enc[0];
-               WREG32_SOC15(VCN, i, regVCN_RB1_DB_CTRL,
-                       ring->doorbell_index << VCN_RB1_DB_CTRL__OFFSET__SHIFT |
-                       VCN_RB1_DB_CTRL__EN_MASK);
-
-               WREG32_SOC15(VCN, i, regUVD_RB_BASE_LO, ring->gpu_addr);
-               WREG32_SOC15(VCN, i, regUVD_RB_BASE_HI, 
upper_32_bits(ring->gpu_addr));
-               WREG32_SOC15(VCN, i, regUVD_RB_SIZE, ring->ring_size / 4);
-
-               tmp = RREG32_SOC15(VCN, i, regVCN_RB_ENABLE);
-               tmp &= ~(VCN_RB_ENABLE__RB1_EN_MASK);
-               WREG32_SOC15(VCN, i, regVCN_RB_ENABLE, tmp);
-               fw_shared->sq.queue_mode |= FW_QUEUE_RING_RESET;
-               WREG32_SOC15(VCN, i, regUVD_RB_RPTR, 0);
-               WREG32_SOC15(VCN, i, regUVD_RB_WPTR, 0);
-
-               tmp = RREG32_SOC15(VCN, i, regUVD_RB_RPTR);
-               WREG32_SOC15(VCN, i, regUVD_RB_WPTR, tmp);
-               ring->wptr = RREG32_SOC15(VCN, i, regUVD_RB_WPTR);
-
-               tmp = RREG32_SOC15(VCN, i, regVCN_RB_ENABLE);
-               tmp |= VCN_RB_ENABLE__RB1_EN_MASK;
-               WREG32_SOC15(VCN, i, regVCN_RB_ENABLE, tmp);
-               fw_shared->sq.queue_mode &= ~(FW_QUEUE_RING_RESET | 
FW_QUEUE_DPG_HOLD_OFF);
-       }
+       ring = &adev->vcn.inst[inst].ring_enc[0];
+       WREG32_SOC15(VCN, inst, regVCN_RB1_DB_CTRL,
+               ring->doorbell_index << VCN_RB1_DB_CTRL__OFFSET__SHIFT |
+               VCN_RB1_DB_CTRL__EN_MASK);
+
+       WREG32_SOC15(VCN, inst, regUVD_RB_BASE_LO, ring->gpu_addr);
+       WREG32_SOC15(VCN, inst, regUVD_RB_BASE_HI, 
upper_32_bits(ring->gpu_addr));
+       WREG32_SOC15(VCN, inst, regUVD_RB_SIZE, ring->ring_size / 4);
+
+       tmp = RREG32_SOC15(VCN, inst, regVCN_RB_ENABLE);
+       tmp &= ~(VCN_RB_ENABLE__RB1_EN_MASK);
+       WREG32_SOC15(VCN, inst, regVCN_RB_ENABLE, tmp);
+       fw_shared->sq.queue_mode |= FW_QUEUE_RING_RESET;
+       WREG32_SOC15(VCN, inst, regUVD_RB_RPTR, 0);
+       WREG32_SOC15(VCN, inst, regUVD_RB_WPTR, 0);
+
+       tmp = RREG32_SOC15(VCN, inst, regUVD_RB_RPTR);
+       WREG32_SOC15(VCN, inst, regUVD_RB_WPTR, tmp);
+       ring->wptr = RREG32_SOC15(VCN, inst, regUVD_RB_WPTR);
+
+       tmp = RREG32_SOC15(VCN, inst, regVCN_RB_ENABLE);
+       tmp |= VCN_RB_ENABLE__RB1_EN_MASK;
+       WREG32_SOC15(VCN, inst, regVCN_RB_ENABLE, tmp);
+       fw_shared->sq.queue_mode &= ~(FW_QUEUE_RING_RESET | 
FW_QUEUE_DPG_HOLD_OFF);
 
        return 0;
 }
@@ -939,80 +933,76 @@ static void vcn_v5_0_0_stop_dpg_mode(struct amdgpu_device 
*adev, int inst_idx)
  *
  * Stop VCN block
  */
-static int vcn_v5_0_0_stop(struct amdgpu_device *adev)
+static int vcn_v5_0_0_stop(struct amdgpu_device *adev, unsigned int inst)
 {
        volatile struct amdgpu_vcn5_fw_shared *fw_shared;
        uint32_t tmp;
-       int i, r = 0;
+       int r = 0;
 
-       for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
-               if (adev->vcn.harvest_config & (1 << i))
-                       continue;
-
-               fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
-               fw_shared->sq.queue_mode |= FW_QUEUE_DPG_HOLD_OFF;
+       if (adev->vcn.harvest_config & (1 << inst))
+               goto done;
 
-               if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
-                       vcn_v5_0_0_stop_dpg_mode(adev, i);
-                       continue;
-               }
+       fw_shared = adev->vcn.inst[inst].fw_shared.cpu_addr;
+       fw_shared->sq.queue_mode |= FW_QUEUE_DPG_HOLD_OFF;
 
-               /* wait for vcn idle */
-               r = SOC15_WAIT_ON_RREG(VCN, i, regUVD_STATUS, UVD_STATUS__IDLE, 
0x7);
-               if (r)
-                       return r;
+       if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
+               vcn_v5_0_0_stop_dpg_mode(adev, inst);
+               goto done;
+       }
 
-               tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
-                     UVD_LMI_STATUS__READ_CLEAN_MASK |
-                     UVD_LMI_STATUS__WRITE_CLEAN_MASK |
-                     UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
-               r = SOC15_WAIT_ON_RREG(VCN, i, regUVD_LMI_STATUS, tmp, tmp);
-               if (r)
-                       return r;
+       /* wait for vcn idle */
+       r = SOC15_WAIT_ON_RREG(VCN, inst, regUVD_STATUS, UVD_STATUS__IDLE, 0x7);
+       if (r)
+               return r;
 
-               /* disable LMI UMC channel */
-               tmp = RREG32_SOC15(VCN, i, regUVD_LMI_CTRL2);
-               tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
-               WREG32_SOC15(VCN, i, regUVD_LMI_CTRL2, tmp);
-               tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK |
-                     UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
-               r = SOC15_WAIT_ON_RREG(VCN, i, regUVD_LMI_STATUS, tmp, tmp);
-               if (r)
-                       return r;
+       tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
+                 UVD_LMI_STATUS__READ_CLEAN_MASK |
+                 UVD_LMI_STATUS__WRITE_CLEAN_MASK |
+                 UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
+       r = SOC15_WAIT_ON_RREG(VCN, inst, regUVD_LMI_STATUS, tmp, tmp);
+       if (r)
+               return r;
 
-               /* block VCPU register access */
-               WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_RB_ARB_CTRL),
-                       UVD_RB_ARB_CTRL__VCPU_DIS_MASK,
-                       ~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
-
-               /* reset VCPU */
-               WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL),
-                       UVD_VCPU_CNTL__BLK_RST_MASK,
-                       ~UVD_VCPU_CNTL__BLK_RST_MASK);
-
-               /* disable VCPU clock */
-               WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL), 0,
-                       ~(UVD_VCPU_CNTL__CLK_EN_MASK));
-
-               /* apply soft reset */
-               tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
-               tmp |= UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
-               WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
-               tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
-               tmp |= UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
-               WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
-
-               /* clear status */
-               WREG32_SOC15(VCN, i, regUVD_STATUS, 0);
-
-               /* enable VCN power gating */
-               vcn_v5_0_0_enable_static_power_gating(adev, i);
-       }
+       /* disable LMI UMC channel */
+       tmp = RREG32_SOC15(VCN, inst, regUVD_LMI_CTRL2);
+       tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
+       WREG32_SOC15(VCN, inst, regUVD_LMI_CTRL2, tmp);
+       tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK |
+                 UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
+       r = SOC15_WAIT_ON_RREG(VCN, inst, regUVD_LMI_STATUS, tmp, tmp);
+       if (r)
+               return r;
 
-       for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
-               if (adev->pm.dpm_enabled)
-                       amdgpu_dpm_enable_vcn(adev, false, i);
-       }
+       /* block VCPU register access */
+       WREG32_P(SOC15_REG_OFFSET(VCN, inst, regUVD_RB_ARB_CTRL),
+               UVD_RB_ARB_CTRL__VCPU_DIS_MASK,
+               ~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
+
+       /* reset VCPU */
+       WREG32_P(SOC15_REG_OFFSET(VCN, inst, regUVD_VCPU_CNTL),
+               UVD_VCPU_CNTL__BLK_RST_MASK,
+               ~UVD_VCPU_CNTL__BLK_RST_MASK);
+
+       /* disable VCPU clock */
+       WREG32_P(SOC15_REG_OFFSET(VCN, inst, regUVD_VCPU_CNTL), 0,
+               ~(UVD_VCPU_CNTL__CLK_EN_MASK));
+
+       /* apply soft reset */
+       tmp = RREG32_SOC15(VCN, inst, regUVD_SOFT_RESET);
+       tmp |= UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
+       WREG32_SOC15(VCN, inst, regUVD_SOFT_RESET, tmp);
+       tmp = RREG32_SOC15(VCN, inst, regUVD_SOFT_RESET);
+       tmp |= UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
+       WREG32_SOC15(VCN, inst, regUVD_SOFT_RESET, tmp);
+
+       /* clear status */
+       WREG32_SOC15(VCN, inst, regUVD_STATUS, 0);
+
+       /* enable VCN power gating */
+       vcn_v5_0_0_enable_static_power_gating(adev, inst);
+done:
+       if (adev->pm.dpm_enabled)
+               amdgpu_dpm_enable_vcn(adev, false, inst);
 
        return 0;
 }
@@ -1268,9 +1258,9 @@ static int vcn_v5_0_0_set_powergating_state(struct 
amdgpu_ip_block *ip_block,
                return 0;
 
        if (state == AMD_PG_STATE_GATE)
-               ret = vcn_v5_0_0_stop(adev);
+               ret = vcn_v5_0_0_stop(adev, inst);
        else
-               ret = vcn_v5_0_0_start(adev);
+               ret = vcn_v5_0_0_start(adev, inst);
 
        if (!ret)
                adev->vcn.cur_state[inst] = state;
-- 
2.34.1

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