drm/amdgpu/vcn: Add vcn ras poison consumption event handling

Add vcn ras poison consumption event handling

V2: Removed default poison consumption handling function cb

Signed-off-by: Mohammad Zafar Ziya <[e-mail]>
Reviewed-by: Lijo Lazar <[e-mail]>
Reviewed-by: Tao Zhou <[e-mail]>
Reviewed-by: Hawking Zhang <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

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

···
 	log_buf->wrapped = 0;
 #endif
 }
+
+int amdgpu_vcn_process_poison_irq(struct amdgpu_device *adev,
+				struct amdgpu_irq_src *source,
+				struct amdgpu_iv_entry *entry)
+{
+	struct ras_common_if *ras_if = adev->vcn.ras_if;
+	struct ras_dispatch_if ih_data = {
+		.entry = entry,
+	};
+
+	if (!ras_if)
+		return 0;
+
+	ih_data.head = *ras_if;
+	amdgpu_ras_interrupt_dispatch(adev, &ih_data);
+
+	return 0;
+}

drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h

···
 void amdgpu_vcn_fwlog_init(struct amdgpu_vcn_inst *vcn);
 void amdgpu_debugfs_vcn_fwlog_init(struct amdgpu_device *adev,
                                    uint8_t i, struct amdgpu_vcn_inst *vcn);
+
+int amdgpu_vcn_process_poison_irq(struct amdgpu_device *adev,
+			struct amdgpu_irq_src *source,
+			struct amdgpu_iv_entry *entry);
+
 #endif

drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c

···
 			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].irq);
+		if (r)
+			return r;
 	}
 
 	r = amdgpu_vcn_sw_init(adev);
···
 		break;
 	case VCN_2_0__SRCID__UVD_ENC_LOW_LATENCY:
 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[1]);
+		break;
+	case VCN_2_6__SRCID_UVD_POISON:
+		amdgpu_vcn_process_poison_irq(adev, source, entry);
 		break;
 	default:
 		DRM_ERROR("Unhandled interrupt: %d %d\n",

drivers/gpu/drm/amd/include/ivsrcid/vcn/irqsrcs_vcn_2_0.h

···
 #define VCN_2_0__SRCID__JPEG_ENCODE					151		// 0x97 JRBC Encode interrupt
 #define VCN_2_0__SRCID__JPEG_DECODE					153		// 0x99 JRBC Decode interrupt
 
+#define VCN_2_6__SRCID_UVD_POISON					160
 #define VCN_2_6__SRCID_DJPEG0_POISON					161
 #define VCN_2_6__SRCID_EJPEG0_POISON					162