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Commit 7b124db8 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "msm: kgsl: Enforce limit check for GPU bus DCVS"

parents d2523db0 d31e9b3d

drivers/gpu/msm/kgsl_pwrscale.c

+8 −4
Original line number Diff line number Diff line
@@ -843,13 +843,17 @@ int kgsl_busmon_target(struct device *dev, unsigned long *freq, u32 flags) 
	}



	b = pwr->bus_mod;

	if (_check_fast_hint(bus_flag) &&

		((pwr_level->bus_freq + pwr->bus_mod) < pwr_level->bus_max))

	if (_check_fast_hint(bus_flag))

		pwr->bus_mod++;

	else if (_check_slow_hint(bus_flag) &&

		((pwr_level->bus_freq + pwr->bus_mod) > pwr_level->bus_min))

	else if (_check_slow_hint(bus_flag))

		pwr->bus_mod--;



	/* trim calculated change to fit range */

	if (pwr_level->bus_freq + pwr->bus_mod < pwr_level->bus_min)

		pwr->bus_mod = -(pwr_level->bus_freq - pwr_level->bus_min);

	else if (pwr_level->bus_freq + pwr->bus_mod > pwr_level->bus_max)

		pwr->bus_mod = pwr_level->bus_max - pwr_level->bus_freq;



	/* Update bus vote if AB or IB is modified */

	if ((pwr->bus_mod != b) || (pwr->bus_ab_mbytes != ab_mbytes)) {

		pwr->bus_percent_ab = device->pwrscale.bus_profile.percent_ab;