drm/amdgpu/vcn2: implement ring reset

Use the new helpers to handle engine resets for VCN.

Reviewed-by: Sathishkumar S <[email protected]>
Tested-by: Sathishkumar S <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

Author: alexdeucher

drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c

@@ -98,6 +98,8 @@ static int vcn_v2_0_set_pg_state(struct amdgpu_vcn_inst *vinst,
 static int vcn_v2_0_pause_dpg_mode(struct amdgpu_vcn_inst *vinst,
 				   struct dpg_pause_state *new_state);
 static int vcn_v2_0_start_sriov(struct amdgpu_device *adev);
+static int vcn_v2_0_reset(struct amdgpu_vcn_inst *vinst);
+
 /**
  * vcn_v2_0_early_init - set function pointers and load microcode
  *
@@ -213,6 +215,12 @@ static int vcn_v2_0_sw_init(struct amdgpu_ip_block *ip_block)
 	}
 
 	adev->vcn.inst[0].pause_dpg_mode = vcn_v2_0_pause_dpg_mode;
+	adev->vcn.inst[0].reset = vcn_v2_0_reset;
+
+	adev->vcn.supported_reset =
+		amdgpu_get_soft_full_reset_mask(&adev->vcn.inst[0].ring_enc[0]);
+	if (!amdgpu_sriov_vf(adev))
+		adev->vcn.supported_reset |= AMDGPU_RESET_TYPE_PER_QUEUE;
 
 	r = amdgpu_virt_alloc_mm_table(adev);
 	if (r)
@@ -233,6 +241,10 @@ static int vcn_v2_0_sw_init(struct amdgpu_ip_block *ip_block)
 		adev->vcn.ip_dump = ptr;
 	}
 
+	r = amdgpu_vcn_sysfs_reset_mask_init(adev);
+	if (r)
+		return r;
+
 	return 0;
 }
 
@@ -260,6 +272,8 @@ static int vcn_v2_0_sw_fini(struct amdgpu_ip_block *ip_block)
 	if (r)
 		return r;
 
+	amdgpu_vcn_sysfs_reset_mask_fini(adev);
+
 	r = amdgpu_vcn_sw_fini(adev, 0);
 
 	kfree(adev->vcn.ip_dump);
@@ -1355,6 +1369,16 @@ static int vcn_v2_0_pause_dpg_mode(struct amdgpu_vcn_inst *vinst,
 	return 0;
 }
 
+static int vcn_v2_0_reset(struct amdgpu_vcn_inst *vinst)
+{
+	int r;
+
+	r = vcn_v2_0_stop(vinst);
+	if (r)
+		return r;
+	return vcn_v2_0_start(vinst);
+}
+
 static bool vcn_v2_0_is_idle(struct amdgpu_ip_block *ip_block)
 {
 	struct amdgpu_device *adev = ip_block->adev;
@@ -2176,6 +2200,7 @@ static const struct amdgpu_ring_funcs vcn_v2_0_dec_ring_vm_funcs = {
 	.emit_wreg = vcn_v2_0_dec_ring_emit_wreg,
 	.emit_reg_wait = vcn_v2_0_dec_ring_emit_reg_wait,
 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
+	.reset = amdgpu_vcn_ring_reset,
 };
 
 static const struct amdgpu_ring_funcs vcn_v2_0_enc_ring_vm_funcs = {
@@ -2205,6 +2230,7 @@ static const struct amdgpu_ring_funcs vcn_v2_0_enc_ring_vm_funcs = {
 	.emit_wreg = vcn_v2_0_enc_ring_emit_wreg,
 	.emit_reg_wait = vcn_v2_0_enc_ring_emit_reg_wait,
 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
+	.reset = amdgpu_vcn_ring_reset,
 };
 
 static void vcn_v2_0_set_dec_ring_funcs(struct amdgpu_device *adev)