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Commit c0d04ba2 authored by Suman Tatiraju's avatar Suman Tatiraju
Browse files

msm: kgsl: set the correct max_state 



Max_state from the driver should be set to the number of power
levels. The devfreq governor then checks the frequencies from
0 to max_state -1.

Change-Id: I79a6da698ff8bcb2840774ccc5d792b7ddbf126b
Signed-off-by: default avatarSuman Tatiraju <sumant@codeaurora.org>
parent 3dda8f02

drivers/devfreq/governor_msm_adreno_tz.c

+1 −1
Original line number Diff line number Diff line
@@ -204,7 +204,7 @@ static int tz_get_target_freq(struct devfreq *devfreq, unsigned long *freq, 
	if (val) {

		level += val;

		level = max(level, 0);

		level = min_t(int, level, devfreq->profile->max_state);

		level = min_t(int, level, devfreq->profile->max_state - 1);

		goto clear;

	}

drivers/gpu/msm/kgsl_pwrscale.c

+5 −1
Original line number Diff line number Diff line
@@ -447,7 +447,11 @@ int kgsl_pwrscale_init(struct device *dev, const char *governor) 
	for (i = 0; i < (pwr->num_pwrlevels - 1); i++)

		pwrscale->freq_table[out++] = pwr->pwrlevels[i].gpu_freq;



	profile->max_state = pwr->num_pwrlevels - 2;

	/*

	 * Max_state is the number of valid power levels.

	 * The valid power levels range from 0 - (max_state - 1)

	 */

	profile->max_state = pwr->num_pwrlevels - 1;

	/* link storage array to the devfreq profile pointer */

	profile->freq_table = pwrscale->freq_table;