[PATCH 23/29] drm/amdgpu: hw_init for each vcn instance

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From: Boyuan Zhang <boyuan.zhang@xxxxxxx>

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.zhang@xxxxxxx>
---
 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;
 }
-- 
2.34.1




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