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Commit 8103896c authored by Harshdeep Dhatt's avatar Harshdeep Dhatt
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msm: kgsl: Add opp table to bus monitor device 



Devfreq driver expects a opp table to be be part of the
device. So add the gpu opp table to register the devfreq
device for gpu bus dcvs.

Change-Id: I6ca6e29e2a7f3c22227dcd6490061eaf169e8a80
Signed-off-by: default avatarHarshdeep Dhatt <hdhatt@codeaurora.org>
parent 648dc229

drivers/gpu/msm/kgsl_pwrscale.c

+15 −4
Original line number Diff line number Diff line
@@ -924,7 +924,7 @@ int kgsl_pwrscale_init(struct device *dev, const char *governor) 
	struct kgsl_pwrscale *pwrscale;

	struct kgsl_pwrctrl *pwr;

	struct devfreq *devfreq;

	struct devfreq *bus_devfreq;

	struct devfreq *bus_devfreq = NULL;

	struct msm_adreno_extended_profile *gpu_profile;

	struct devfreq_dev_profile *profile;

	struct devfreq_msm_adreno_tz_data *data;
@@ -1035,9 +1035,20 @@ int kgsl_pwrscale_init(struct device *dev, const char *governor) 
		pwrscale->bus_profile.profile.freq_table

					= pwrscale->freq_table;



		/*

		 * This is needed because devfreq expects the device

		 * to have an opp table handle to calculate the min/max

		 * frequency.

		 */

		ret = dev_pm_opp_of_add_table(device->busmondev);

		if (!ret)

			bus_devfreq = devfreq_add_device(device->busmondev,

			&pwrscale->bus_profile.profile, "gpubw_mon", NULL);

		if (!IS_ERR(bus_devfreq))

				&pwrscale->bus_profile.profile, "gpubw_mon",

				NULL);



		if (IS_ERR_OR_NULL(bus_devfreq))

			dev_err(device->dev, "Bus scaling not enabled\n");

		else

			pwrscale->gpu_profile.bus_devfreq = bus_devfreq;

	}