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Commit f44d1a49 authored by Harshdeep Dhatt's avatar Harshdeep Dhatt
Browse files

msm: kgsl: Fix gpu boot ab vote 



The ab is in megabytes and ddr_table is in kilobytes. So do
the conversion to fix the first ab vote out of slumber.

Also fix the ib vote units for the very first gmu boot.

Change-Id: I57efd80fa2de8262842475e02a363e0436a7b0f2
Signed-off-by: default avatarHarshdeep Dhatt <hdhatt@codeaurora.org>
parent bf4eaa44

drivers/gpu/msm/kgsl_bus.c

+5 −2
Original line number Diff line number Diff line
@@ -35,9 +35,12 @@ static u32 _ab_buslevel_update(struct kgsl_pwrctrl *pwr, 
	if (!ib)

		return 0;



	/* In the absence of any other settings, make ab 25% of ib */

	/*

	 * In the absence of any other settings, make ab 25% of ib

	 * where the ib vote is in kbps

	 */

	if ((!pwr->bus_percent_ab) && (!pwr->bus_ab_mbytes))

		return 25 * ib / 100;

		return 25 * ib / 100000;



	if (pwr->bus_width)

		return pwr->bus_ab_mbytes;

drivers/gpu/msm/kgsl_gmu.c

+1 −1
Original line number Diff line number Diff line
@@ -1594,7 +1594,7 @@ static int gmu_start(struct kgsl_device *device) 
		/* Vote for minimal DDR BW for GMU to init */

		level = pwr->pwrlevels[pwr->default_pwrlevel].bus_min;

		icc_set_bw(pwr->icc_path, 0,

			MBps_to_icc(pwr->ddr_table[level]));

			kBps_to_icc(pwr->ddr_table[level]));



		ret = gmu_dev_ops->rpmh_gpu_pwrctrl(device, GMU_FW_START,

				GMU_COLD_BOOT, 0);