Merge "ARM: dts: msm: Add GPU coresight properties for msm8998"

Documentation/devicetree/bindings/gpu/adreno.txt

@@ -187,7 +187,7 @@ Documentation/devicetree/bindings/coresight/coresight.txt
 - coresight-child-list   List of phandles pointing to the children of this
                          component.
 - coresight-child-ports  List of input port numbers of the children.
-
+- coresight-atid         The unique ATID value of the coresight device
 
 Example of A330 GPU in MSM8916:
 

arch/arm/boot/dts/qcom/msm8998-coresight.dtsi

@@ -277,6 +277,14 @@
 					    <&funnel_apss_merg_out_funnel_in1>;
 				};
 			};
+			port@6 {
+				reg = <7>;
+				funnel_in1_in_gfx: endpoint {
+					slave-mode;
+					remote-endpoint =
+					    <&gfx_out_funnel_in1>;
+				};
+			};
 		};
 	};
 

arch/arm/boot/dts/qcom/msm8998-gpu.dtsi

@@ -122,6 +122,14 @@
 		vddcx-supply = <&gdsc_gpu_cx>;
 		vdd-supply = <&gdsc_gpu_gx>;
 
+		/* Trace bus */
+		coresight-name = "coresight-gfx";
+		port {
+			gfx_out_funnel_in1: endpoint {
+				remote-endpoint = <&funnel_in1_in_gfx>;
+			};
+		};
+
 		/* GPU Mempools */
 		qcom,gpu-mempools {
 			#address-cells= <1>;

drivers/gpu/msm/adreno.h

@@ -676,11 +676,13 @@ ssize_t adreno_coresight_store_register(struct device *dev,
  * @registers - Array of GPU specific registers to configure trace bus output
  * @count - Number of registers in the array
  * @groups - Pointer to an attribute list of control files
+ * @atid - The unique ATID value of the coresight device
  */
 struct adreno_coresight {
 	struct adreno_coresight_register *registers;
 	unsigned int count;
 	const struct attribute_group **groups;
+	unsigned int atid;
 };
 
 

drivers/gpu/msm/adreno_coresight.c

@@ -200,6 +200,9 @@ static int _adreno_coresight_set(struct adreno_device *adreno_dev)
 		kgsl_regwrite(device, coresight->registers[i].offset,
 			coresight->registers[i].value);
 
+	kgsl_property_read_u32(device, "coresight-atid",
+		(unsigned int *)&(coresight->atid));
+
 	return 0;
 }
 /**
@@ -281,7 +284,16 @@ void adreno_coresight_start(struct adreno_device *adreno_dev)
 		_adreno_coresight_set(adreno_dev);
 }
 
+static int adreno_coresight_trace_id(struct coresight_device *csdev)
+{
+	struct kgsl_device *device = dev_get_drvdata(csdev->dev.parent);
+	struct adreno_gpudev *gpudev = ADRENO_GPU_DEVICE(ADRENO_DEVICE(device));
+
+	return gpudev->coresight->atid;
+}
+
 static const struct coresight_ops_source adreno_coresight_source_ops = {
+	.trace_id = adreno_coresight_trace_id,
 	.enable = adreno_coresight_enable,
 	.disable = adreno_coresight_disable,
 };