Merge "msm: kgsl: Add ratelimit check to limit excessive kernel logging" (0cfeea12) · Commits · e / devices / android_kernel_sony_msm8994

drivers/gpu/msm/adreno_a3xx.c

+9 −1

Original line number	Diff line number	Diff line
		@@ -796,6 +796,8 @@ static void a3xx_err_callback(struct adreno_device *adreno_dev, int bit)
		{
		struct kgsl_device *device = &adreno_dev->dev;
		const char *err = "";
		/* Limit to 10 messages every 5 seconds */
		static DEFINE_RATELIMIT_STATE(ratelimit_state, 5 * HZ, 10);

		switch (bit) {
		case A3XX_INT_RBBM_ATB_BUS_OVERFLOW:
		@@ -813,6 +815,12 @@ static void a3xx_err_callback(struct adreno_device *adreno_dev, int bit)
		default:
		return;
		}

		/*
		* Limit error interrupt reporting to prevent
		* kernel logs causing watchdog timeout
		*/
		if (__ratelimit(&ratelimit_state))
		KGSL_DRV_CRIT(device, "%s\n", err);
		}