msm: kgsl: Count a percentage of _io time
Count different percentages based upon GPU frequency.
Change-Id: Ia579f6705ff9858263f507bd4f3ba0f84b772554
Signed-off-by: Lucille Sylvester <lsylvest@codeaurora.org>
diff --git a/drivers/gpu/msm/adreno.c b/drivers/gpu/msm/adreno.c
index b13190d..0693f46 100644
--- a/drivers/gpu/msm/adreno.c
+++ b/drivers/gpu/msm/adreno.c
@@ -1080,6 +1080,7 @@
{
long status = 0;
uint io = 1;
+ static uint io_cnt;
struct adreno_device *adreno_dev = ADRENO_DEVICE(device);
struct kgsl_pwrctrl *pwr = &device->pwrctrl;
@@ -1097,12 +1098,9 @@
goto done;
}
if (!kgsl_check_timestamp(device, timestamp)) {
- if (pwr->active_pwrlevel) {
- int low_pwrlevel = pwr->num_pwrlevels -
- KGSL_PWRLEVEL_LOW_OFFSET;
- if (pwr->active_pwrlevel == low_pwrlevel)
- io = 0;
- }
+ io_cnt = (io_cnt + 1) % 100;
+ if (io_cnt < pwr->pwrlevels[pwr->active_pwrlevel].io_fraction)
+ io = 0;
mutex_unlock(&device->mutex);
/* We need to make sure that the process is placed in wait-q
* before its condition is called */
diff --git a/drivers/gpu/msm/kgsl_pwrctrl.c b/drivers/gpu/msm/kgsl_pwrctrl.c
index 2aff1ff..64397e0 100644
--- a/drivers/gpu/msm/kgsl_pwrctrl.c
+++ b/drivers/gpu/msm/kgsl_pwrctrl.c
@@ -479,6 +479,8 @@
gpu_freq) : 0;
pwr->pwrlevels[i].bus_freq =
pdata_pwr->pwrlevel[i].bus_freq;
+ pwr->pwrlevels[i].io_fraction =
+ pdata_pwr->pwrlevel[i].io_fraction;
}
/* Do not set_rate for targets in sync with AXI */
if (pwr->pwrlevels[0].gpu_freq > 0)
diff --git a/drivers/gpu/msm/kgsl_pwrctrl.h b/drivers/gpu/msm/kgsl_pwrctrl.h
index 17dab76..6258a9b 100644
--- a/drivers/gpu/msm/kgsl_pwrctrl.h
+++ b/drivers/gpu/msm/kgsl_pwrctrl.h
@@ -21,7 +21,6 @@
#define KGSL_PWRLEVEL_TURBO 0
#define KGSL_PWRLEVEL_NOMINAL 1
-#define KGSL_PWRLEVEL_LOW_OFFSET 2
#define KGSL_MAX_CLKS 5