[PATCH 11/18] drm/amdgpu: power vcn 2_5 by instance

Boyuan Zhang Boyuan.Zhang at amd.com
Tue Oct 8 22:10:47 UTC 2024


On 2024-10-04 15:52, Alex Deucher wrote:
> On Fri, Oct 4, 2024 at 2:53 PM <boyuan.zhang at amd.com> wrote:
>> From: Boyuan Zhang <boyuan.zhang at amd.com>
>>
>> For vcn 2_5, 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.zhang at amd.com>
>> ---
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c |   4 +-
>>   drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c         | 565 +++++++++---------
>>   2 files changed, 280 insertions(+), 289 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
>> index 9f9a1867da72..de1053cc2a2b 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
>> @@ -2278,6 +2278,7 @@ static int amdgpu_discovery_set_sdma_ip_blocks(struct amdgpu_device *adev)
>>
>>   static int amdgpu_discovery_set_mm_ip_blocks(struct amdgpu_device *adev)
>>   {
>> +       int i;
> new line between stack and code.

Fixed.

>
>>          if (amdgpu_ip_version(adev, VCE_HWIP, 0)) {
>>                  switch (amdgpu_ip_version(adev, UVD_HWIP, 0)) {
>>                  case IP_VERSION(7, 0, 0):
>> @@ -2321,7 +2322,8 @@ static int amdgpu_discovery_set_mm_ip_blocks(struct amdgpu_device *adev)
>>                  case IP_VERSION(2, 0, 3):
>>                          break;
>>                  case IP_VERSION(2, 5, 0):
>> -                       amdgpu_device_ip_block_add(adev, &vcn_v2_5_ip_block);
>> +                       for (i = 0; i < adev->vcn.num_vcn_inst; ++i)
>> +                               amdgpu_device_ip_block_add(adev, &vcn_v2_5_ip_block);
>>                          amdgpu_device_ip_block_add(adev, &jpeg_v2_5_ip_block);
>>                          break;
>>                  case IP_VERSION(2, 6, 0):
>> diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
>> index d00df51bc400..1f8738ae360a 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
>> @@ -158,35 +158,34 @@ static int vcn_v2_5_early_init(struct amdgpu_ip_block *ip_block)
>>   static int vcn_v2_5_sw_init(struct amdgpu_ip_block *ip_block)
>>   {
>>          struct amdgpu_ring *ring;
>> -       int i, j, r;
>> +       int i, r;
>>          uint32_t reg_count = ARRAY_SIZE(vcn_reg_list_2_5);
>>          uint32_t *ptr;
>>          struct amdgpu_device *adev = ip_block->adev;
>> +       int inst = ip_block->instance;
>>
>> -       for (j = 0; j < adev->vcn.num_vcn_inst; j++) {
>> -               if (adev->vcn.harvest_config & (1 << j))
>> -                       continue;
>> -               /* VCN DEC TRAP */
>> -               r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[j],
>> -                               VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT, &adev->vcn.inst[j].irq);
>> -               if (r)
>> -                       return r;
>> -
>> -               /* VCN ENC TRAP */
>> -               for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
>> -                       r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[j],
>> -                               i + VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE, &adev->vcn.inst[j].irq);
>> -                       if (r)
>> -                               return r;
>> -               }
>> +       if (adev->vcn.harvest_config & (1 << inst))
>> +               goto sw_init;
>> +       /* VCN DEC TRAP */
>> +       r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[inst],
>> +                       VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT, &adev->vcn.inst[inst].irq);
>> +       if (r)
>> +               return r;
>>
>> -               /* VCN POISON TRAP */
>> -               r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[j],
>> -                       VCN_2_6__SRCID_UVD_POISON, &adev->vcn.inst[j].ras_poison_irq);
>> +       /* VCN ENC TRAP */
>> +       for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
>> +               r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[inst],
>> +                       i + VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE, &adev->vcn.inst[inst].irq);
>>                  if (r)
>>                          return r;
>>          }
>>
>> +       /* VCN POISON TRAP */
>> +       r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[inst],
>> +               VCN_2_6__SRCID_UVD_POISON, &adev->vcn.inst[inst].ras_poison_irq);
>> +       if (r)
>> +               return r;
>> +sw_init:
>>          r = amdgpu_vcn_sw_init(adev);
> I think the amdgpu_vcn_* helpers will need to be updated to handle
> instances as well.  Otherwise we'll end up leaking a bunch of memory
> when these gets called for each instance.  While you are at it, we
> should move all of the per instance state from struct amdgpu_vcn to
> struct amdgpu_vcn_inst.
>
> Alex
- All amdgpu_vcn helpers are now handled the given instance.
See new patch set (patch 20/32 to 26/32)

- All per instance variable are now moved to amdgpu_vcn_inst
See new patch set (patch 10/32)

Thanks
Boyuan
>
>>          if (r)
>>                  return r;
>> @@ -197,76 +196,74 @@ static int vcn_v2_5_sw_init(struct amdgpu_ip_block *ip_block)
>>          if (r)
>>                  return r;
>>
>> -       for (j = 0; j < adev->vcn.num_vcn_inst; j++) {
>> -               volatile struct amdgpu_fw_shared *fw_shared;
>> +       volatile struct amdgpu_fw_shared *fw_shared;
>>
>> -               if (adev->vcn.harvest_config & (1 << j))
>> -                       continue;
>> -               adev->vcn.internal.context_id = mmUVD_CONTEXT_ID_INTERNAL_OFFSET;
>> -               adev->vcn.internal.ib_vmid = mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET;
>> -               adev->vcn.internal.ib_bar_low = mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET;
>> -               adev->vcn.internal.ib_bar_high = mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET;
>> -               adev->vcn.internal.ib_size = mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET;
>> -               adev->vcn.internal.gp_scratch8 = mmUVD_GP_SCRATCH8_INTERNAL_OFFSET;
>> -
>> -               adev->vcn.internal.scratch9 = mmUVD_SCRATCH9_INTERNAL_OFFSET;
>> -               adev->vcn.inst[j].external.scratch9 = SOC15_REG_OFFSET(VCN, j, mmUVD_SCRATCH9);
>> -               adev->vcn.internal.data0 = mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET;
>> -               adev->vcn.inst[j].external.data0 = SOC15_REG_OFFSET(VCN, j, mmUVD_GPCOM_VCPU_DATA0);
>> -               adev->vcn.internal.data1 = mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET;
>> -               adev->vcn.inst[j].external.data1 = SOC15_REG_OFFSET(VCN, j, mmUVD_GPCOM_VCPU_DATA1);
>> -               adev->vcn.internal.cmd = mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET;
>> -               adev->vcn.inst[j].external.cmd = SOC15_REG_OFFSET(VCN, j, mmUVD_GPCOM_VCPU_CMD);
>> -               adev->vcn.internal.nop = mmUVD_NO_OP_INTERNAL_OFFSET;
>> -               adev->vcn.inst[j].external.nop = SOC15_REG_OFFSET(VCN, j, mmUVD_NO_OP);
>> -
>> -               ring = &adev->vcn.inst[j].ring_dec;
>> +       if (adev->vcn.harvest_config & (1 << inst))
>> +               goto done;
>> +       adev->vcn.internal.context_id = mmUVD_CONTEXT_ID_INTERNAL_OFFSET;
>> +       adev->vcn.internal.ib_vmid = mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET;
>> +       adev->vcn.internal.ib_bar_low = mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET;
>> +       adev->vcn.internal.ib_bar_high = mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET;
>> +       adev->vcn.internal.ib_size = mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET;
>> +       adev->vcn.internal.gp_scratch8 = mmUVD_GP_SCRATCH8_INTERNAL_OFFSET;
>> +
>> +       adev->vcn.internal.scratch9 = mmUVD_SCRATCH9_INTERNAL_OFFSET;
>> +       adev->vcn.inst[inst].external.scratch9 = SOC15_REG_OFFSET(VCN, inst, mmUVD_SCRATCH9);
>> +       adev->vcn.internal.data0 = mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET;
>> +       adev->vcn.inst[inst].external.data0 = SOC15_REG_OFFSET(VCN, inst, mmUVD_GPCOM_VCPU_DATA0);
>> +       adev->vcn.internal.data1 = mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET;
>> +       adev->vcn.inst[inst].external.data1 = SOC15_REG_OFFSET(VCN, inst, mmUVD_GPCOM_VCPU_DATA1);
>> +       adev->vcn.internal.cmd = mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET;
>> +       adev->vcn.inst[inst].external.cmd = SOC15_REG_OFFSET(VCN, inst, mmUVD_GPCOM_VCPU_CMD);
>> +       adev->vcn.internal.nop = mmUVD_NO_OP_INTERNAL_OFFSET;
>> +       adev->vcn.inst[inst].external.nop = SOC15_REG_OFFSET(VCN, inst, mmUVD_NO_OP);
>> +
>> +       ring = &adev->vcn.inst[inst].ring_dec;
>> +       ring->use_doorbell = true;
>> +
>> +       ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
>> +                       (amdgpu_sriov_vf(adev) ? 2*inst : 8*inst);
>> +
>> +       if (amdgpu_ip_version(adev, UVD_HWIP, 0) == IP_VERSION(2, 5, 0))
>> +               ring->vm_hub = AMDGPU_MMHUB1(0);
>> +       else
>> +               ring->vm_hub = AMDGPU_MMHUB0(0);
>> +
>> +       sprintf(ring->name, "vcn_dec_%d", inst);
>> +       r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[inst].irq,
>> +                                0, AMDGPU_RING_PRIO_DEFAULT, NULL);
>> +       if (r)
>> +               return r;
>> +
>> +       for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
>> +               enum amdgpu_ring_priority_level hw_prio = amdgpu_vcn_get_enc_ring_prio(i);
>> +
>> +               ring = &adev->vcn.inst[inst].ring_enc[i];
>>                  ring->use_doorbell = true;
>>
>>                  ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
>> -                               (amdgpu_sriov_vf(adev) ? 2*j : 8*j);
>> +                               (amdgpu_sriov_vf(adev) ? (1 + i + 2*inst) : (2 + i + 8*inst));
>>
>> -               if (amdgpu_ip_version(adev, UVD_HWIP, 0) == IP_VERSION(2, 5, 0))
>> +               if (amdgpu_ip_version(adev, UVD_HWIP, 0) ==
>> +                       IP_VERSION(2, 5, 0))
>>                          ring->vm_hub = AMDGPU_MMHUB1(0);
>>                  else
>>                          ring->vm_hub = AMDGPU_MMHUB0(0);
>>
>> -               sprintf(ring->name, "vcn_dec_%d", j);
>> -               r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[j].irq,
>> -                                    0, AMDGPU_RING_PRIO_DEFAULT, NULL);
>> +               sprintf(ring->name, "vcn_enc_%d.%d", inst, i);
>> +               r = amdgpu_ring_init(adev, ring, 512,
>> +                                        &adev->vcn.inst[inst].irq, 0,
>> +                                        hw_prio, NULL);
>>                  if (r)
>>                          return r;
>> -
>> -               for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
>> -                       enum amdgpu_ring_priority_level hw_prio = amdgpu_vcn_get_enc_ring_prio(i);
>> -
>> -                       ring = &adev->vcn.inst[j].ring_enc[i];
>> -                       ring->use_doorbell = true;
>> -
>> -                       ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
>> -                                       (amdgpu_sriov_vf(adev) ? (1 + i + 2*j) : (2 + i + 8*j));
>> -
>> -                       if (amdgpu_ip_version(adev, UVD_HWIP, 0) ==
>> -                           IP_VERSION(2, 5, 0))
>> -                               ring->vm_hub = AMDGPU_MMHUB1(0);
>> -                       else
>> -                               ring->vm_hub = AMDGPU_MMHUB0(0);
>> -
>> -                       sprintf(ring->name, "vcn_enc_%d.%d", j, i);
>> -                       r = amdgpu_ring_init(adev, ring, 512,
>> -                                            &adev->vcn.inst[j].irq, 0,
>> -                                            hw_prio, NULL);
>> -                       if (r)
>> -                               return r;
>> -               }
>> -
>> -               fw_shared = adev->vcn.inst[j].fw_shared.cpu_addr;
>> -               fw_shared->present_flag_0 = cpu_to_le32(AMDGPU_VCN_MULTI_QUEUE_FLAG);
>> -
>> -               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_VCN_MULTI_QUEUE_FLAG);
>> +
>> +       if (amdgpu_vcnfw_log)
>> +               amdgpu_vcn_fwlog_init(&adev->vcn.inst[i]);
>> +done:
>>          if (amdgpu_sriov_vf(adev)) {
>>                  r = amdgpu_virt_alloc_mm_table(adev);
>>                  if (r)
>> @@ -1005,197 +1002,192 @@ static int vcn_v2_5_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, boo
>>          return 0;
>>   }
>>
>> -static int vcn_v2_5_start(struct amdgpu_device *adev)
>> +static int vcn_v2_5_start(struct amdgpu_device *adev, unsigned int inst)
>>   {
>>          struct amdgpu_ring *ring;
>>          uint32_t rb_bufsz, 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);
>> -       }
>> -
>> -       for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
>> -               if (adev->vcn.harvest_config & (1 << i))
>> -                       continue;
>> -               if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
>> -                       r = vcn_v2_5_start_dpg_mode(adev, i, adev->vcn.indirect_sram);
>> -                       continue;
>> -               }
>> +       if (adev->pm.dpm_enabled)
>> +               amdgpu_dpm_enable_vcn(adev, true, inst);
>>
>> -               /* disable register anti-hang mechanism */
>> -               WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_POWER_STATUS), 0,
>> -                       ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
>> +       if (adev->vcn.harvest_config & (1 << inst))
>> +               return 0;
>>
>> -               /* set uvd status busy */
>> -               tmp = RREG32_SOC15(VCN, i, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
>> -               WREG32_SOC15(VCN, i, mmUVD_STATUS, tmp);
>> +       if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
>> +               r = vcn_v2_5_start_dpg_mode(adev, inst, adev->vcn.indirect_sram);
>> +               return r;
>>          }
>>
>> +       /* disable register anti-hang mechanism */
>> +       WREG32_P(SOC15_REG_OFFSET(VCN, inst, mmUVD_POWER_STATUS), 0,
>> +               ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
>> +
>> +       /* set uvd status busy */
>> +       tmp = RREG32_SOC15(VCN, inst, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
>> +       WREG32_SOC15(VCN, inst, mmUVD_STATUS, tmp);
>> +
>>          if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
>>                  return 0;
>>
>>          /*SW clock gating */
>>          vcn_v2_5_disable_clock_gating(adev);
>>
>> -       for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
>> -               if (adev->vcn.harvest_config & (1 << i))
>> -                       continue;
>> -               /* enable VCPU clock */
>> -               WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
>> -                       UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
>> -
>> -               /* disable master interrupt */
>> -               WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN), 0,
>> -                       ~UVD_MASTINT_EN__VCPU_EN_MASK);
>> -
>> -               /* setup mmUVD_LMI_CTRL */
>> -               tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL);
>> -               tmp &= ~0xff;
>> -               WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL, tmp | 0x8|
>> -                       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);
>> -
>> -               /* setup mmUVD_MPC_CNTL */
>> -               tmp = RREG32_SOC15(VCN, i, mmUVD_MPC_CNTL);
>> -               tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
>> -               tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
>> -               WREG32_SOC15(VCN, i, mmUVD_MPC_CNTL, tmp);
>> -
>> -               /* setup UVD_MPC_SET_MUXA0 */
>> -               WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUXA0,
>> -                       ((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
>> -                       (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
>> -                       (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
>> -                       (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)));
>> -
>> -               /* setup UVD_MPC_SET_MUXB0 */
>> -               WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUXB0,
>> -                       ((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
>> -                       (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
>> -                       (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
>> -                       (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)));
>> -
>> -               /* setup mmUVD_MPC_SET_MUX */
>> -               WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUX,
>> -                       ((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
>> -                       (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
>> -                       (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)));
>> -       }
>> +       if (adev->vcn.harvest_config & (1 << inst))
>> +               return 0;
>> +
>> +       /* enable VCPU clock */
>> +       WREG32_P(SOC15_REG_OFFSET(VCN, inst, mmUVD_VCPU_CNTL),
>> +               UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
>> +
>> +       /* disable master interrupt */
>> +       WREG32_P(SOC15_REG_OFFSET(VCN, inst, mmUVD_MASTINT_EN), 0,
>> +               ~UVD_MASTINT_EN__VCPU_EN_MASK);
>> +
>> +       /* setup mmUVD_LMI_CTRL */
>> +       tmp = RREG32_SOC15(VCN, inst, mmUVD_LMI_CTRL);
>> +       tmp &= ~0xff;
>> +       WREG32_SOC15(VCN, inst, mmUVD_LMI_CTRL, tmp | 0x8|
>> +               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);
>> +
>> +       /* setup mmUVD_MPC_CNTL */
>> +       tmp = RREG32_SOC15(VCN, inst, mmUVD_MPC_CNTL);
>> +       tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
>> +       tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
>> +       WREG32_SOC15(VCN, inst, mmUVD_MPC_CNTL, tmp);
>> +
>> +       /* setup UVD_MPC_SET_MUXA0 */
>> +       WREG32_SOC15(VCN, inst, mmUVD_MPC_SET_MUXA0,
>> +               ((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
>> +               (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
>> +               (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
>> +               (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)));
>> +
>> +       /* setup UVD_MPC_SET_MUXB0 */
>> +       WREG32_SOC15(VCN, inst, mmUVD_MPC_SET_MUXB0,
>> +               ((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
>> +               (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
>> +               (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
>> +               (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)));
>> +
>> +       /* setup mmUVD_MPC_SET_MUX */
>> +       WREG32_SOC15(VCN, inst, mmUVD_MPC_SET_MUX,
>> +               ((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
>> +               (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
>> +               (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)));
>>
>>          vcn_v2_5_mc_resume(adev);
>>
>> -       for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
>> -               volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
>> -               if (adev->vcn.harvest_config & (1 << i))
>> -                       continue;
>> -               /* VCN global tiling registers */
>> -               WREG32_SOC15(VCN, i, mmUVD_GFX8_ADDR_CONFIG,
>> -                       adev->gfx.config.gb_addr_config);
>> -               WREG32_SOC15(VCN, i, mmUVD_GFX8_ADDR_CONFIG,
>> -                       adev->gfx.config.gb_addr_config);
>> +       volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst[inst].fw_shared.cpu_addr;
>> +       if (adev->vcn.harvest_config & (1 << inst))
>> +               return 0;
>> +
>> +       /* VCN global tiling registers */
>> +       WREG32_SOC15(VCN, inst, mmUVD_GFX8_ADDR_CONFIG,
>> +               adev->gfx.config.gb_addr_config);
>> +       WREG32_SOC15(VCN, inst, mmUVD_GFX8_ADDR_CONFIG,
>> +               adev->gfx.config.gb_addr_config);
>>
>> -               /* enable LMI MC and UMC channels */
>> -               WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_LMI_CTRL2), 0,
>> -                       ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
>> +       /* enable LMI MC and UMC channels */
>> +       WREG32_P(SOC15_REG_OFFSET(VCN, inst, mmUVD_LMI_CTRL2), 0,
>> +               ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
>>
>> -               /* unblock VCPU register access */
>> -               WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_RB_ARB_CTRL), 0,
>> -                       ~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
>> +       /* unblock VCPU register access */
>> +       WREG32_P(SOC15_REG_OFFSET(VCN, inst, mmUVD_RB_ARB_CTRL), 0,
>> +               ~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
>>
>> -               WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
>> -                       ~UVD_VCPU_CNTL__BLK_RST_MASK);
>> +       WREG32_P(SOC15_REG_OFFSET(VCN, inst, mmUVD_VCPU_CNTL), 0,
>> +               ~UVD_VCPU_CNTL__BLK_RST_MASK);
>>
>> -               for (k = 0; k < 10; ++k) {
>> -                       uint32_t status;
>> -
>> -                       for (j = 0; j < 100; ++j) {
>> -                               status = RREG32_SOC15(VCN, i, mmUVD_STATUS);
>> -                               if (status & 2)
>> -                                       break;
>> -                               if (amdgpu_emu_mode == 1)
>> -                                       msleep(500);
>> -                               else
>> -                                       mdelay(10);
>> -                       }
>> -                       r = 0;
>> +       for (k = 0; k < 10; ++k) {
>> +               uint32_t status;
>> +
>> +               for (j = 0; j < 100; ++j) {
>> +                       status = RREG32_SOC15(VCN, inst, mmUVD_STATUS);
>>                          if (status & 2)
>>                                  break;
>> +                       if (amdgpu_emu_mode == 1)
>> +                               msleep(500);
>> +                       else
>> +                               mdelay(10);
>> +               }
>> +               r = 0;
>> +               if (status & 2)
>> +                       break;
>>
>> -                       DRM_ERROR("VCN decode not responding, trying to reset the VCPU!!!\n");
>> -                       WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
>> -                               UVD_VCPU_CNTL__BLK_RST_MASK,
>> -                               ~UVD_VCPU_CNTL__BLK_RST_MASK);
>> -                       mdelay(10);
>> -                       WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
>> -                               ~UVD_VCPU_CNTL__BLK_RST_MASK);
>> +               DRM_ERROR("VCN decode not responding, trying to reset the VCPU!!!\n");
>> +               WREG32_P(SOC15_REG_OFFSET(VCN, inst, mmUVD_VCPU_CNTL),
>> +                       UVD_VCPU_CNTL__BLK_RST_MASK,
>> +                       ~UVD_VCPU_CNTL__BLK_RST_MASK);
>> +               mdelay(10);
>> +               WREG32_P(SOC15_REG_OFFSET(VCN, inst, mmUVD_VCPU_CNTL), 0,
>> +                       ~UVD_VCPU_CNTL__BLK_RST_MASK);
>>
>> -                       mdelay(10);
>> -                       r = -1;
>> -               }
>> +               mdelay(10);
>> +               r = -1;
>> +       }
>>
>> -               if (r) {
>> -                       DRM_ERROR("VCN decode not responding, giving up!!!\n");
>> -                       return r;
>> -               }
>> +       if (r) {
>> +               DRM_ERROR("VCN decode not responding, giving up!!!\n");
>> +               return r;
>> +       }
>>
>> -               /* enable master interrupt */
>> -               WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN),
>> -                       UVD_MASTINT_EN__VCPU_EN_MASK,
>> -                       ~UVD_MASTINT_EN__VCPU_EN_MASK);
>> +       /* enable master interrupt */
>> +       WREG32_P(SOC15_REG_OFFSET(VCN, inst, mmUVD_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, mmUVD_STATUS), 0,
>> -                       ~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
>> +       /* clear the busy bit of VCN_STATUS */
>> +       WREG32_P(SOC15_REG_OFFSET(VCN, inst, mmUVD_STATUS), 0,
>> +               ~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
>>
>> -               WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_VMID, 0);
>> +       WREG32_SOC15(VCN, inst, mmUVD_LMI_RBC_RB_VMID, 0);
>>
>> -               ring = &adev->vcn.inst[i].ring_dec;
>> -               /* force RBC into idle state */
>> -               rb_bufsz = order_base_2(ring->ring_size);
>> -               tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
>> -               tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
>> -               tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
>> -               tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
>> -               tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
>> -               WREG32_SOC15(VCN, i, mmUVD_RBC_RB_CNTL, tmp);
>> +       ring = &adev->vcn.inst[inst].ring_dec;
>> +       /* force RBC into idle state */
>> +       rb_bufsz = order_base_2(ring->ring_size);
>> +       tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
>> +       tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
>> +       tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
>> +       tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
>> +       tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
>> +       WREG32_SOC15(VCN, inst, mmUVD_RBC_RB_CNTL, tmp);
>>
>> -               fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
>> -               /* program the RB_BASE for ring buffer */
>> -               WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
>> -                       lower_32_bits(ring->gpu_addr));
>> -               WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
>> -                       upper_32_bits(ring->gpu_addr));
>> +       fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
>> +       /* program the RB_BASE for ring buffer */
>> +       WREG32_SOC15(VCN, inst, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
>> +               lower_32_bits(ring->gpu_addr));
>> +       WREG32_SOC15(VCN, inst, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
>> +               upper_32_bits(ring->gpu_addr));
>>
>> -               /* Initialize the ring buffer's read and write pointers */
>> -               WREG32_SOC15(VCN, i, mmUVD_RBC_RB_RPTR, 0);
>> +       /* Initialize the ring buffer's read and write pointers */
>> +       WREG32_SOC15(VCN, inst, mmUVD_RBC_RB_RPTR, 0);
>>
>> -               ring->wptr = RREG32_SOC15(VCN, i, mmUVD_RBC_RB_RPTR);
>> -               WREG32_SOC15(VCN, i, mmUVD_RBC_RB_WPTR,
>> -                               lower_32_bits(ring->wptr));
>> -               fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
>> +       ring->wptr = RREG32_SOC15(VCN, inst, mmUVD_RBC_RB_RPTR);
>> +       WREG32_SOC15(VCN, inst, mmUVD_RBC_RB_WPTR,
>> +                       lower_32_bits(ring->wptr));
>> +       fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
>>
>> -               fw_shared->multi_queue.encode_generalpurpose_queue_mode |= FW_QUEUE_RING_RESET;
>> -               ring = &adev->vcn.inst[i].ring_enc[0];
>> -               WREG32_SOC15(VCN, i, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
>> -               WREG32_SOC15(VCN, i, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
>> -               WREG32_SOC15(VCN, i, mmUVD_RB_BASE_LO, ring->gpu_addr);
>> -               WREG32_SOC15(VCN, i, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
>> -               WREG32_SOC15(VCN, i, mmUVD_RB_SIZE, ring->ring_size / 4);
>> -               fw_shared->multi_queue.encode_generalpurpose_queue_mode &= ~FW_QUEUE_RING_RESET;
>> -
>> -               fw_shared->multi_queue.encode_lowlatency_queue_mode |= FW_QUEUE_RING_RESET;
>> -               ring = &adev->vcn.inst[i].ring_enc[1];
>> -               WREG32_SOC15(VCN, i, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
>> -               WREG32_SOC15(VCN, i, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
>> -               WREG32_SOC15(VCN, i, mmUVD_RB_BASE_LO2, ring->gpu_addr);
>> -               WREG32_SOC15(VCN, i, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
>> -               WREG32_SOC15(VCN, i, mmUVD_RB_SIZE2, ring->ring_size / 4);
>> -               fw_shared->multi_queue.encode_lowlatency_queue_mode &= ~FW_QUEUE_RING_RESET;
>> -       }
>> +       fw_shared->multi_queue.encode_generalpurpose_queue_mode |= FW_QUEUE_RING_RESET;
>> +       ring = &adev->vcn.inst[inst].ring_enc[0];
>> +       WREG32_SOC15(VCN, inst, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
>> +       WREG32_SOC15(VCN, inst, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
>> +       WREG32_SOC15(VCN, inst, mmUVD_RB_BASE_LO, ring->gpu_addr);
>> +       WREG32_SOC15(VCN, inst, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
>> +       WREG32_SOC15(VCN, inst, mmUVD_RB_SIZE, ring->ring_size / 4);
>> +       fw_shared->multi_queue.encode_generalpurpose_queue_mode &= ~FW_QUEUE_RING_RESET;
>> +
>> +       fw_shared->multi_queue.encode_lowlatency_queue_mode |= FW_QUEUE_RING_RESET;
>> +       ring = &adev->vcn.inst[inst].ring_enc[1];
>> +       WREG32_SOC15(VCN, inst, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
>> +       WREG32_SOC15(VCN, inst, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
>> +       WREG32_SOC15(VCN, inst, mmUVD_RB_BASE_LO2, ring->gpu_addr);
>> +       WREG32_SOC15(VCN, inst, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
>> +       WREG32_SOC15(VCN, inst, mmUVD_RB_SIZE2, ring->ring_size / 4);
>> +       fw_shared->multi_queue.encode_lowlatency_queue_mode &= ~FW_QUEUE_RING_RESET;
>>
>>          return 0;
>>   }
>> @@ -1424,72 +1416,69 @@ static int vcn_v2_5_stop_dpg_mode(struct amdgpu_device *adev, int inst_idx)
>>          return 0;
>>   }
>>
>> -static int vcn_v2_5_stop(struct amdgpu_device *adev)
>> +static int vcn_v2_5_stop(struct amdgpu_device *adev, unsigned int inst)
>>   {
>>          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;
>> -               if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
>> -                       r = vcn_v2_5_stop_dpg_mode(adev, i);
>> -                       continue;
>> -               }
>> +       if (adev->vcn.harvest_config & (1 << inst))
>> +               goto done;
>>
>> -               /* wait for vcn idle */
>> -               r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7);
>> -               if (r)
>> -                       return r;
>> +       if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
>> +               r = vcn_v2_5_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, mmUVD_LMI_STATUS, tmp, tmp);
>> -               if (r)
>> -                       return r;
>> +       /* wait for vcn idle */
>> +       r = SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7);
>> +       if (r)
>> +               return r;
>>
>> -               /* block LMI UMC channel */
>> -               tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2);
>> -               tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
>> -               WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2, tmp);
>> +       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, mmUVD_LMI_STATUS, tmp, tmp);
>> +       if (r)
>> +               return r;
>>
>> -               tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK|
>> -                       UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
>> -               r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
>> -               if (r)
>> -                       return r;
>> +       /* block LMI UMC channel */
>> +       tmp = RREG32_SOC15(VCN, inst, mmUVD_LMI_CTRL2);
>> +       tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
>> +       WREG32_SOC15(VCN, inst, mmUVD_LMI_CTRL2, tmp);
>>
>> -               /* block VCPU register access */
>> -               WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_RB_ARB_CTRL),
>> -                       UVD_RB_ARB_CTRL__VCPU_DIS_MASK,
>> -                       ~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
>> +       tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK|
>> +               UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
>> +       r = SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_LMI_STATUS, tmp, tmp);
>> +       if (r)
>> +               return r;
>>
>> -               /* reset VCPU */
>> -               WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
>> -                       UVD_VCPU_CNTL__BLK_RST_MASK,
>> -                       ~UVD_VCPU_CNTL__BLK_RST_MASK);
>> +       /* block VCPU register access */
>> +       WREG32_P(SOC15_REG_OFFSET(VCN, inst, mmUVD_RB_ARB_CTRL),
>> +               UVD_RB_ARB_CTRL__VCPU_DIS_MASK,
>> +               ~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
>>
>> -               /* disable VCPU clock */
>> -               WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
>> -                       ~(UVD_VCPU_CNTL__CLK_EN_MASK));
>> +       /* reset VCPU */
>> +       WREG32_P(SOC15_REG_OFFSET(VCN, inst, mmUVD_VCPU_CNTL),
>> +               UVD_VCPU_CNTL__BLK_RST_MASK,
>> +               ~UVD_VCPU_CNTL__BLK_RST_MASK);
>>
>> -               /* clear status */
>> -               WREG32_SOC15(VCN, i, mmUVD_STATUS, 0);
>> +       /* disable VCPU clock */
>> +       WREG32_P(SOC15_REG_OFFSET(VCN, inst, mmUVD_VCPU_CNTL), 0,
>> +               ~(UVD_VCPU_CNTL__CLK_EN_MASK));
>>
>> -               vcn_v2_5_enable_clock_gating(adev);
>> +       /* clear status */
>> +       WREG32_SOC15(VCN, inst, mmUVD_STATUS, 0);
>>
>> -               /* enable register anti-hang mechanism */
>> -               WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_POWER_STATUS),
>> -                       UVD_POWER_STATUS__UVD_POWER_STATUS_MASK,
>> -                       ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
>> -       }
>> +       vcn_v2_5_enable_clock_gating(adev);
>>
>> -       for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
>> -               if (adev->pm.dpm_enabled)
>> -                       amdgpu_dpm_enable_vcn(adev, false, i);
>> -       }
>> +       /* enable register anti-hang mechanism */
>> +       WREG32_P(SOC15_REG_OFFSET(VCN, inst, mmUVD_POWER_STATUS),
>> +               UVD_POWER_STATUS__UVD_POWER_STATUS_MASK,
>> +               ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
>> +done:
>> +       if (adev->pm.dpm_enabled)
>> +               amdgpu_dpm_enable_vcn(adev, false, inst);
>>
>>          return 0;
>>   }
>> @@ -1838,9 +1827,9 @@ static int vcn_v2_5_set_powergating_state(struct amdgpu_ip_block *ip_block,
>>                  return 0;
>>
>>          if (state == AMD_PG_STATE_GATE)
>> -               ret = vcn_v2_5_stop(adev);
>> +               ret = vcn_v2_5_stop(adev, inst);
>>          else
>> -               ret = vcn_v2_5_start(adev);
>> +               ret = vcn_v2_5_start(adev, inst);
>>
>>          if (!ret)
>>                  adev->vcn.cur_state[inst] = state;
>> --
>> 2.34.1
>>


More information about the amd-gfx mailing list