Merge "msm: kgsl: Bump the GPU frequency for long blocks of processing" (dca34e2b) · Commits · e / devices / android_kernel_sony_msm8994

drivers/devfreq/governor_msm_adreno_tz.c

+21 −1

Original line number	Original line	Diff line number	Diff line
	@@ -35,6 +35,13 @@ static DEFINE_SPINLOCK(tz_lock);
	* MIN_BUSY is 1 msec for the sample to be sent		* MIN_BUSY is 1 msec for the sample to be sent
	*/		*/
	#define MIN_BUSY 1000		#define MIN_BUSY 1000
			/*
			* Use BUSY_BIN to check for fully busy rendering
			* intervals that may need early intervention when
			* seen with LONG_FRAME lengths
			*/
			#define BUSY_BIN 95
			#define LONG_FRAME 25000
	#define MAX_TZ_VERSION 0		#define MAX_TZ_VERSION 0

	/*		/*
	@@ -177,6 +184,7 @@ static int tz_get_target_freq(struct devfreq devfreq, unsigned long freq,
	struct devfreq_dev_status stats;		struct devfreq_dev_status stats;
	int val, level = 0;		int val, level = 0;
	unsigned int scm_data[3];		unsigned int scm_data[3];
			static int busy_bin, frame_flag;

	/* keeps stats.private_data == NULL */		/* keeps stats.private_data == NULL */
	result = devfreq->profile->get_dev_status(devfreq->dev.parent, &stats);		result = devfreq->profile->get_dev_status(devfreq->dev.parent, &stats);
	@@ -201,6 +209,15 @@ static int tz_get_target_freq(struct devfreq devfreq, unsigned long freq,
	return 0;		return 0;
	}		}

			if ((stats.busy_time * 100 / stats.total_time) > BUSY_BIN) {
			busy_bin += stats.busy_time;
			if (stats.total_time > LONG_FRAME)
			frame_flag = 1;
			} else {
			busy_bin = 0;
			frame_flag = 0;
			}

	level = devfreq_get_freq_level(devfreq, stats.current_frequency);		level = devfreq_get_freq_level(devfreq, stats.current_frequency);
	if (level < 0) {		if (level < 0) {
	pr_err(TAG "bad freq %ld\n", stats.current_frequency);		pr_err(TAG "bad freq %ld\n", stats.current_frequency);
	@@ -211,8 +228,11 @@ static int tz_get_target_freq(struct devfreq devfreq, unsigned long freq,
	* If there is an extended block of busy processing,		* If there is an extended block of busy processing,
	* increase frequency. Otherwise run the normal algorithm.		* increase frequency. Otherwise run the normal algorithm.
	*/		*/
	if (priv->bin.busy_time > CEILING) {		if (priv->bin.busy_time > CEILING \|\|
			(busy_bin > CEILING && frame_flag)) {
	val = -1 * level;		val = -1 * level;
			busy_bin = 0;
			frame_flag = 0;
	} else {		} else {

	scm_data[0] = level;		scm_data[0] = level;