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Commit e1ab04b9 authored by Lucille Sylvester's avatar Lucille Sylvester
Browse files

msm: kgsl: Correct the bandwidth vote translation 



The numbers stored in ib_votes will be multipled by
1024 * 1024 to be translated into a bandwidth request.
That is the value they need to be divided by with the
result rounded down before storage.

Change-Id: Ib171d2bbf58911cbf0423d3b1365d3917abe5f19
Signed-off-by: default avatarLucille Sylvester <lsylvest@codeaurora.org>
parent e796a1f6

drivers/gpu/msm/kgsl_pwrctrl.c

+3 −7
Original line number Diff line number Diff line
@@ -1364,14 +1364,10 @@ int kgsl_pwrctrl_init(struct kgsl_device *device) 
		if (vector->dst == MSM_BUS_SLAVE_EBI_CH0 &&

				vector->ib != 0) {

			if (i < KGSL_MAX_BUSLEVELS)

				/*

				 * Want to convert bytes to Mbytes,

				 * but msm_bus_of.c uses a strange macro

				 *  #define KBTOB(a) (a * 1000ULL)

				 * thats why 1024*1000, not 1024*1024

				 */

				/* Convert bytes to Mbytes. */

				ib_votes[i] =

					DIV_ROUND_UP_ULL(vector->ib, 1024000);

					DIV_ROUND_UP_ULL(vector->ib, 1048576)

					- 1;



			for (k = 0; k < n; k++)

				if (vector->ib == pwr->bus_ib[k]) {