Acked-by: Sunil Khatri <sunil.kha...@amd.com>

On 10/25/2024 8:05 AM, boyuan.zh...@amd.com wrote:
From: Boyuan Zhang <boyuan.zh...@amd.com>

Pass instance parameter to amdgpu_vcn_hw_init(), and perform
hw init ONLY for the given vcn instance, instead of for all
vcn instances. Modify each vcn generation accordingly.

Signed-off-by: Boyuan Zhang <boyuan.zh...@amd.com>
---
  drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c   | 39 +++++++------
  drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c   | 73 ++++++++++++-------------
  drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c   | 37 ++++++-------
  drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c | 67 +++++++++++------------
  drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c | 21 ++++---
  drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c | 21 ++++---
  6 files changed, 123 insertions(+), 135 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c 
b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
index d135e63e7301..8ce3cea6cf44 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
@@ -338,37 +338,36 @@ static int vcn_v2_5_hw_init(struct amdgpu_ip_block 
*ip_block)
  {
        struct amdgpu_device *adev = ip_block->adev;
        struct amdgpu_ring *ring;
-       int i, j, r = 0;
+       int inst = ip_block->instance;
+       int i, r = 0;
if (amdgpu_sriov_vf(adev))
                r = vcn_v2_5_sriov_start(adev);
- for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
-               if (adev->vcn.harvest_config & (1 << j))
-                       continue;
+       if (adev->vcn.harvest_config & (1 << inst))
+               return r;
- if (amdgpu_sriov_vf(adev)) {
-                       adev->vcn.inst[j].ring_enc[0].sched.ready = true;
-                       adev->vcn.inst[j].ring_enc[1].sched.ready = false;
-                       adev->vcn.inst[j].ring_enc[2].sched.ready = false;
-                       adev->vcn.inst[j].ring_dec.sched.ready = true;
-               } else {
+       if (amdgpu_sriov_vf(adev)) {
+               adev->vcn.inst[inst].ring_enc[0].sched.ready = true;
+               adev->vcn.inst[inst].ring_enc[1].sched.ready = false;
+               adev->vcn.inst[inst].ring_enc[2].sched.ready = false;
+               adev->vcn.inst[inst].ring_dec.sched.ready = true;
+       } else {
+
+               ring = &adev->vcn.inst[inst].ring_dec;
- ring = &adev->vcn.inst[j].ring_dec;
+               adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
+                                                ring->doorbell_index, inst);
- adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
-                                                    ring->doorbell_index, j);
+               r = amdgpu_ring_test_helper(ring);
+               if (r)
+                       return r;
+ for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
+                       ring = &adev->vcn.inst[inst].ring_enc[i];
                        r = amdgpu_ring_test_helper(ring);
                        if (r)
                                return r;
-
-                       for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
-                               ring = &adev->vcn.inst[j].ring_enc[i];
-                               r = amdgpu_ring_test_helper(ring);
-                               if (r)
-                                       return r;
-                       }
                }
        }
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
index d00b7a7cbdce..36100c2612d9 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
@@ -345,8 +345,9 @@ static int vcn_v3_0_sw_fini(struct amdgpu_ip_block 
*ip_block)
  static int vcn_v3_0_hw_init(struct amdgpu_ip_block *ip_block)
  {
        struct amdgpu_device *adev = ip_block->adev;
+       int inst = ip_block->instance;
        struct amdgpu_ring *ring;
-       int i, j, r;
+       int j, r;
if (amdgpu_sriov_vf(adev)) {
                r = vcn_v3_0_start_sriov(adev);
@@ -354,57 +355,53 @@ static int vcn_v3_0_hw_init(struct amdgpu_ip_block 
*ip_block)
                        return r;
/* initialize VCN dec and enc ring buffers */
-               for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
-                       if (adev->vcn.harvest_config & (1 << i))
-                               continue;
+               if (adev->vcn.harvest_config & (1 << inst))
+                       return 0;
+
+               ring = &adev->vcn.inst[inst].ring_dec;
+               if (amdgpu_vcn_is_disabled_vcn(adev, VCN_DECODE_RING, inst)) {
+                       ring->sched.ready = false;
+                       ring->no_scheduler = true;
+                       dev_info(adev->dev, "ring %s is disabled by hypervisor\n", 
ring->name);
+               } else {
+                       ring->wptr = 0;
+                       ring->wptr_old = 0;
+                       vcn_v3_0_dec_ring_set_wptr(ring);
+                       ring->sched.ready = true;
+               }
- ring = &adev->vcn.inst[i].ring_dec;
-                       if (amdgpu_vcn_is_disabled_vcn(adev, VCN_DECODE_RING, 
i)) {
+               for (j = 0; j < adev->vcn.num_enc_rings; ++j) {
+                       ring = &adev->vcn.inst[inst].ring_enc[j];
+                       if (amdgpu_vcn_is_disabled_vcn(adev, VCN_ENCODE_RING, 
inst)) {
                                ring->sched.ready = false;
                                ring->no_scheduler = true;
                                dev_info(adev->dev, "ring %s is disabled by 
hypervisor\n", ring->name);
                        } else {
                                ring->wptr = 0;
                                ring->wptr_old = 0;
-                               vcn_v3_0_dec_ring_set_wptr(ring);
+                               vcn_v3_0_enc_ring_set_wptr(ring);
                                ring->sched.ready = true;
                        }
-
-                       for (j = 0; j < adev->vcn.num_enc_rings; ++j) {
-                               ring = &adev->vcn.inst[i].ring_enc[j];
-                               if (amdgpu_vcn_is_disabled_vcn(adev, 
VCN_ENCODE_RING, i)) {
-                                       ring->sched.ready = false;
-                                       ring->no_scheduler = true;
-                                       dev_info(adev->dev, "ring %s is disabled by 
hypervisor\n", ring->name);
-                               } else {
-                                       ring->wptr = 0;
-                                       ring->wptr_old = 0;
-                                       vcn_v3_0_enc_ring_set_wptr(ring);
-                                       ring->sched.ready = true;
-                               }
-                       }
                }
-       } else {
-               for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
-                       if (adev->vcn.harvest_config & (1 << i))
-                               continue;
+       }
- ring = &adev->vcn.inst[i].ring_dec;
+       if (adev->vcn.harvest_config & (1 << inst))
+               return 0;
- adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
-                                                    ring->doorbell_index, i);
+       ring = &adev->vcn.inst[inst].ring_dec;
- r = amdgpu_ring_test_helper(ring);
-                       if (r)
-                               return r;
+       adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
+                                        ring->doorbell_index, inst);
- for (j = 0; j < adev->vcn.num_enc_rings; ++j) {
-                               ring = &adev->vcn.inst[i].ring_enc[j];
-                               r = amdgpu_ring_test_helper(ring);
-                               if (r)
-                                       return r;
-                       }
-               }
+       r = amdgpu_ring_test_helper(ring);
+       if (r)
+               return r;
+
+       for (j = 0; j < adev->vcn.num_enc_rings; ++j) {
+               ring = &adev->vcn.inst[inst].ring_enc[j];
+               r = amdgpu_ring_test_helper(ring);
+               if (r)
+                       return r;
        }
return 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c 
b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
index 7c3a62f84707..00ff7affc647 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
@@ -299,37 +299,34 @@ static int vcn_v4_0_hw_init(struct amdgpu_ip_block 
*ip_block)
  {
        struct amdgpu_device *adev = ip_block->adev;
        struct amdgpu_ring *ring;
-       int i, r;
+       int inst = ip_block->instance;
+       int r;
if (amdgpu_sriov_vf(adev)) {
                r = vcn_v4_0_start_sriov(adev);
                if (r)
                        return r;
- for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
-                       if (adev->vcn.harvest_config & (1 << i))
-                               continue;
+               if (adev->vcn.harvest_config & (1 << inst))
+                       return 0;
- ring = &adev->vcn.inst[i].ring_enc[0];
-                       ring->wptr = 0;
-                       ring->wptr_old = 0;
-                       vcn_v4_0_unified_ring_set_wptr(ring);
-                       ring->sched.ready = true;
-               }
+               ring = &adev->vcn.inst[inst].ring_enc[0];
+               ring->wptr = 0;
+               ring->wptr_old = 0;
+               vcn_v4_0_unified_ring_set_wptr(ring);
+               ring->sched.ready = true;
        } else {
-               for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
-                       if (adev->vcn.harvest_config & (1 << i))
-                               continue;
+               if (adev->vcn.harvest_config & (1 << inst))
+                       return 0;
- ring = &adev->vcn.inst[i].ring_enc[0];
+               ring = &adev->vcn.inst[inst].ring_enc[0];
- adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
-                                       ((adev->doorbell_index.vcn.vcn_ring0_1 
<< 1) + 8 * i), i);
+               adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
+                               ((adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 
8 * inst), inst);
- r = amdgpu_ring_test_helper(ring);
-                       if (r)
-                               return r;
-               }
+               r = amdgpu_ring_test_helper(ring);
+               if (r)
+                       return r;
        }
return 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c 
b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
index 5a3de3dbc3c9..feb373a96cfb 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
@@ -257,49 +257,46 @@ static int vcn_v4_0_3_hw_init(struct amdgpu_ip_block 
*ip_block)
  {
        struct amdgpu_device *adev = ip_block->adev;
        struct amdgpu_ring *ring;
-       int i, r, vcn_inst;
+       int inst = ip_block->instance;
+       int r = 0, vcn_inst;
if (amdgpu_sriov_vf(adev)) {
                r = vcn_v4_0_3_start_sriov(adev);
                if (r)
                        return r;
- for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
-                       ring = &adev->vcn.inst[i].ring_enc[0];
-                       ring->wptr = 0;
-                       ring->wptr_old = 0;
-                       vcn_v4_0_3_unified_ring_set_wptr(ring);
-                       ring->sched.ready = true;
-               }
+               ring = &adev->vcn.inst[inst].ring_enc[0];
+               ring->wptr = 0;
+               ring->wptr_old = 0;
+               vcn_v4_0_3_unified_ring_set_wptr(ring);
+               ring->sched.ready = true;
        } else {
-               for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
-                       vcn_inst = GET_INST(VCN, i);
-                       ring = &adev->vcn.inst[i].ring_enc[0];
-
-                       if (ring->use_doorbell) {
-                               adev->nbio.funcs->vcn_doorbell_range(
-                                       adev, ring->use_doorbell,
-                                       (adev->doorbell_index.vcn.vcn_ring0_1 
<< 1) +
-                                               9 * vcn_inst,
-                                       adev->vcn.inst[i].aid_id);
-
-                               WREG32_SOC15(
-                                       VCN, GET_INST(VCN, ring->me),
-                                       regVCN_RB1_DB_CTRL,
-                                       ring->doorbell_index
-                                                       << 
VCN_RB1_DB_CTRL__OFFSET__SHIFT |
-                                               VCN_RB1_DB_CTRL__EN_MASK);
-
-                               /* Read DB_CTRL to flush the write DB_CTRL 
command. */
-                               RREG32_SOC15(
-                                       VCN, GET_INST(VCN, ring->me),
-                                       regVCN_RB1_DB_CTRL);
-                       }
-
-                       r = amdgpu_ring_test_helper(ring);
-                       if (r)
-                               return r;
+               vcn_inst = GET_INST(VCN, inst);
+               ring = &adev->vcn.inst[inst].ring_enc[0];
+
+               if (ring->use_doorbell) {
+                       adev->nbio.funcs->vcn_doorbell_range(
+                               adev, ring->use_doorbell,
+                               (adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
+                                       9 * vcn_inst,
+                               adev->vcn.inst[inst].aid_id);
+
+                       WREG32_SOC15(
+                               VCN, GET_INST(VCN, ring->me),
+                               regVCN_RB1_DB_CTRL,
+                               ring->doorbell_index
+                                               << 
VCN_RB1_DB_CTRL__OFFSET__SHIFT |
+                                       VCN_RB1_DB_CTRL__EN_MASK);
+
+                       /* Read DB_CTRL to flush the write DB_CTRL command. */
+                       RREG32_SOC15(
+                               VCN, GET_INST(VCN, ring->me),
+                               regVCN_RB1_DB_CTRL);
                }
+
+               r = amdgpu_ring_test_helper(ring);
+               if (r)
+                       return r;
        }
return r;
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c 
b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c
index 2c9f863c40b1..fb1e1d5bcdbe 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c
@@ -268,21 +268,20 @@ static int vcn_v4_0_5_hw_init(struct amdgpu_ip_block 
*ip_block)
  {
        struct amdgpu_device *adev = ip_block->adev;
        struct amdgpu_ring *ring;
-       int i, r;
+       int inst = ip_block->instance;
+       int r;
- for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
-               if (adev->vcn.harvest_config & (1 << i))
-                       continue;
+       if (adev->vcn.harvest_config & (1 << inst))
+               return 0;
- ring = &adev->vcn.inst[i].ring_enc[0];
+       ring = &adev->vcn.inst[inst].ring_enc[0];
- adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
-                               ((adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 
8 * i), i);
+       adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
+                       ((adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 8 * 
inst), inst);
- r = amdgpu_ring_test_helper(ring);
-               if (r)
-                       return r;
-       }
+       r = amdgpu_ring_test_helper(ring);
+       if (r)
+               return r;
return 0;
  }
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 9d67e884952a..137c3b452433 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c
@@ -232,21 +232,20 @@ static int vcn_v5_0_0_hw_init(struct amdgpu_ip_block 
*ip_block)
  {
        struct amdgpu_device *adev = ip_block->adev;
        struct amdgpu_ring *ring;
-       int i, r;
+       int inst = ip_block->instance;
+       int r;
- for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
-               if (adev->vcn.harvest_config & (1 << i))
-                       continue;
+       if (adev->vcn.harvest_config & (1 << inst))
+               return 0;
- ring = &adev->vcn.inst[i].ring_enc[0];
+       ring = &adev->vcn.inst[inst].ring_enc[0];
- adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
-                       ((adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 8 * i), 
i);
+       adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
+               ((adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 8 * inst), inst);
- r = amdgpu_ring_test_helper(ring);
-               if (r)
-                       return r;
-       }
+       r = amdgpu_ring_test_helper(ring);
+       if (r)
+               return r;
return 0;
  }

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