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Merge "msm: kgsl: Don't send same bus vote repeatedly"

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This commit is contained in:
qctecmdr 2020-03-29 00:33:17 -07:00 • committed by Gerrit - the friendly Code Review server
commit 3df7f60dd2
3 changed files with 25 additions and 6 deletions
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10
drivers/gpu/msm/kgsl_bus.c
View file

@ -15,9 +15,17 @@ static int interconnect_bus_set(struct kgsl_device *device, int level,
{
struct kgsl_pwrctrl *pwr = &device->pwrctrl;
if ((level == pwr->cur_buslevel) && (ab == pwr->cur_ab))
return 0;
pwr->cur_buslevel = level;
pwr->cur_ab = ab;
icc_set_bw(pwr->icc_path, MBps_to_icc(ab),
kBps_to_icc(pwr->ddr_table[level]));
trace_kgsl_buslevel(device, pwr->active_pwrlevel, level);
return 0;
}
@ -63,8 +71,6 @@ void kgsl_bus_update(struct kgsl_device *device, bool on)
pwr->bus_percent_ab = 0;
pwr->bus_ab_mbytes = 0;
}
trace_kgsl_buslevel(device, pwr->active_pwrlevel, buslevel);
pwr->cur_buslevel = buslevel;
/* buslevel is the IB vote, update the AB */
ab = _ab_buslevel_update(pwr, pwr->ddr_table[buslevel]);

17
drivers/gpu/msm/kgsl_gmu.c
View file

@ -21,6 +21,7 @@
#include "kgsl_bus.h"
#include "kgsl_device.h"
#include "kgsl_gmu.h"
#include "kgsl_trace.h"
#include "kgsl_util.h"
struct gmu_iommu_context {
@ -1264,12 +1265,22 @@ static int gmu_bus_set(struct kgsl_device *device, int buslevel,
u32 ab)
{
struct kgsl_pwrctrl *pwr = &device->pwrctrl;
int ret;
int ret = 0;
ret = gmu_core_dcvs_set(device, INVALID_DCVS_IDX, buslevel);
if (buslevel != pwr->cur_buslevel) {
ret = gmu_core_dcvs_set(device, INVALID_DCVS_IDX, buslevel);
if (ret)
return ret;
if (!ret)
pwr->cur_buslevel = buslevel;
trace_kgsl_buslevel(device, pwr->active_pwrlevel, buslevel);
}
if (ab != pwr->cur_ab) {
icc_set_bw(pwr->icc_path, MBps_to_icc(ab), 0);
pwr->cur_ab = ab;
}
return ret;
}

4
drivers/gpu/msm/kgsl_pwrctrl.h
View file

@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2010-2019, The Linux Foundation. All rights reserved.
* Copyright (c) 2010-2020, The Linux Foundation. All rights reserved.
*/
#ifndef __KGSL_PWRCTRL_H
#define __KGSL_PWRCTRL_H
@ -163,6 +163,8 @@ struct kgsl_pwrctrl {
const char *tzone_name;
/** @icc_path: Interconnect path for the GPU (if applicable) */
struct icc_path *icc_path;
/** cur_ab: The last ab voted by the driver */
u32 cur_ab;
};
int kgsl_pwrctrl_init(struct kgsl_device *device);