Merge "msm: kgsl: Add per context fault properties" (0ec9206d) · Commits · e / devices / android_kernel_xiaomi_nabu

drivers/gpu/msm/adreno_dispatch.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -1707,6 +1707,9 @@ static void adreno_fault_header(struct kgsl_device *device,
		struct adreno_context *drawctxt =
		ADRENO_CONTEXT(drawobj->context);

		drawctxt->base.total_fault_count++;
		drawctxt->base.last_faulted_cmd_ts = drawobj->timestamp;

		trace_adreno_gpu_fault(drawobj->context->id,
		drawobj->timestamp,
		status, rptr, wptr, ib1base, ib1sz,

drivers/gpu/msm/kgsl.c

+78 −0

Original line number	Diff line number	Diff line
		@@ -1408,6 +1408,81 @@ static inline bool kgsl_mem_entry_set_pend(struct kgsl_mem_entry *entry)
		return ret;
		}

		static inline int kgsl_get_ctxt_fault_stats(struct kgsl_context *context,
		struct kgsl_context_property *ctxt_property)
		{
		struct kgsl_context_property_fault fault_stats;
		size_t copy;

		/* Return the size of the subtype struct */
		if (ctxt_property->size == 0) {
		ctxt_property->size = sizeof(fault_stats);
		return 0;
		}

		memset(&fault_stats, 0, sizeof(fault_stats));

		copy = min_t(size_t, ctxt_property->size, sizeof(fault_stats));

		fault_stats.faults = context->total_fault_count;
		fault_stats.timestamp = context->last_faulted_cmd_ts;

		/*
		* Copy the context fault stats to data which also serves as
		* the out parameter.
		*/
		if (copy_to_user(u64_to_user_ptr(ctxt_property->data),
		&fault_stats, copy))
		return -EFAULT;

		return 0;
		}

		static inline int kgsl_get_ctxt_properties(struct kgsl_device_private *dev_priv,
		struct kgsl_device_getproperty *param)
		{
		/* Return fault stats of given context */
		struct kgsl_context_property ctxt_property;
		struct kgsl_context *context;
		size_t copy;
		int ret = 0;

		/*
		* If sizebytes is zero, tell the user how big the
		* ctxt_property struct should be.
		*/
		if (param->sizebytes == 0) {
		param->sizebytes = sizeof(ctxt_property);
		return 0;
		}

		memset(&ctxt_property, 0, sizeof(ctxt_property));

		copy = min_t(size_t, param->sizebytes, sizeof(ctxt_property));

		/* We expect the value passed in to contain the context id */
		if (copy_from_user(&ctxt_property, param->value, copy))
		return -EFAULT;

		/* ctxt type zero is not valid, as we consider it as uninitialized. */
		if (ctxt_property.type == 0)
		return -EINVAL;

		context = kgsl_context_get_owner(dev_priv,
		ctxt_property.contextid);
		if (!context)
		return -EINVAL;

		if (ctxt_property.type == KGSL_CONTEXT_PROP_FAULTS)
		ret = kgsl_get_ctxt_fault_stats(context, &ctxt_property);
		else
		ret = -EOPNOTSUPP;

		kgsl_context_put(context);

		return ret;
		}

		/call all ioctl sub functions with driver locked/
		long kgsl_ioctl_device_getproperty(struct kgsl_device_private *dev_priv,
		unsigned int cmd, void *data)
		@@ -1510,6 +1585,9 @@ long kgsl_ioctl_device_getproperty(struct kgsl_device_private *dev_priv,

		break;
		}
		case KGSL_PROP_CONTEXT_PROPERTY:
		result = kgsl_get_ctxt_properties(dev_priv, param);
		break;
		default:
		if (is_compat_task())
		result = dev_priv->device->ftbl->getproperty_compat(

drivers/gpu/msm/kgsl_device.h

+4 −0

Original line number	Diff line number	Diff line
		@@ -400,6 +400,8 @@ struct kgsl_process_private;
		* @fault_time: time of the first gpu hang in last _context_throttle_time ms
		* @user_ctxt_record: memory descriptor used by CP to save/restore VPC data
		* across preemption
		* @total_fault_count: number of times gpu faulted in this context
		* @last_faulted_cmd_ts: last faulted command batch timestamp
		*/
		struct kgsl_context {
		struct kref refcount;
		@@ -419,6 +421,8 @@ struct kgsl_context {
		unsigned int fault_count;
		unsigned long fault_time;
		struct kgsl_mem_entry *user_ctxt_record;
		unsigned int total_fault_count;
		unsigned int last_faulted_cmd_ts;
		};

		#define _context_comm(_c) \

include/uapi/linux/msm_kgsl.h

+16 −0

Original line number	Diff line number	Diff line
		@@ -337,6 +337,7 @@ enum kgsl_timestamp_type {
		#define KGSL_PROP_SECURE_CTXT_SUPPORT 0x24
		#define KGSL_PROP_SPEED_BIN 0x25
		#define KGSL_PROP_GAMING_BIN 0x26
		#define KGSL_PROP_CONTEXT_PROPERTY 0x28


		struct kgsl_shadowprop {
		@@ -378,6 +379,21 @@ struct kgsl_gpmu_version {
		unsigned int features;
		};

		struct kgsl_context_property {
		__u64 data;
		__u32 size;
		__u32 type;
		__u32 contextid;
		};

		struct kgsl_context_property_fault {
		__s32 faults;
		__u32 timestamp;
		};

		/* Context property sub types */
		#define KGSL_CONTEXT_PROP_FAULTS 1

		/* Performance counter groups */

		#define KGSL_PERFCOUNTER_GROUP_CP 0x0