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gpu: nvgpu: fix compilation issues with PM disable

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Fix gpu driver compilation issues with power mangement
and runtime power management disable.

Change-Id: I8e1873871d6f184013b2142dd0cbc32c67774177
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/417925
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Seshendra Gadagottu
2014-05-29 17:21:27 -07:00
committed by Dan Willemsen
parent f575bc6676
commit 15860d77a4
3 changed files with 14 additions and 0 deletions
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1
drivers/gpu/nvgpu/gk20a/Makefile
View File

@@ -1,5 +1,6 @@
GCOV_PROFILE := y
ccflags-y += -Idrivers/gpu/nvgpu
ccflags-y += -Idrivers/video/tegra/host
ccflags-y += -Idrivers/devfreq
ccflags-y += -Wno-multichar
ccflags-y += -Werror

7
drivers/gpu/nvgpu/gk20a/gk20a.c
View File

@@ -56,6 +56,7 @@
#include "gk20a_scale.h"
#include "dbg_gpu_gk20a.h"
#include "hal.h"
#include "nvhost_acm.h"
#define CREATE_TRACE_POINTS
#include <trace/events/gk20a.h>
@@ -1229,8 +1230,10 @@ static int gk20a_pm_suspend(struct device *dev)
struct gk20a_platform *platform = dev_get_drvdata(dev);
int ret = 0;
#ifdef CONFIG_PM_RUNTIME
if (atomic_read(&dev->power.usage_count) > 1)
return -EBUSY;
#endif
ret = gk20a_pm_prepare_poweroff(dev);
if (ret)
@@ -1256,8 +1259,10 @@ static int gk20a_pm_initialise_domain(struct platform_device *pdev)
domain->name = "gpu";
#ifdef CONFIG_PM_RUNTIME
if (!platform->can_railgate)
pm_domain_gov = &pm_domain_always_on_gov;
#endif
pm_genpd_init(domain, pm_domain_gov, true);
@@ -1606,6 +1611,7 @@ void gk20a_reset(struct gk20a *g, u32 units)
gk20a_enable(g, units);
}
#ifdef CONFIG_PM_RUNTIME
/**
* gk20a_do_idle() - force the GPU to idle and railgate
*
@@ -1689,6 +1695,7 @@ int gk20a_do_unidle(void)
return 0;
}
#endif
int gk20a_init_gpu_characteristics(struct gk20a *g)
{

6
drivers/gpu/nvgpu/gk20a/gk20a_sysfs.c
View File

@@ -332,6 +332,7 @@ static ssize_t elpg_enable_read(struct device *device,
static DEVICE_ATTR(elpg_enable, ROOTRW, elpg_enable_read, elpg_enable_store);
#ifdef CONFIG_PM_RUNTIME
static ssize_t force_idle_store(struct device *device,
struct device_attribute *attr, const char *buf, size_t count)
{
@@ -380,6 +381,7 @@ static ssize_t force_idle_read(struct device *device,
}
static DEVICE_ATTR(force_idle, ROOTRW, force_idle_read, force_idle_store);
#endif
void gk20a_remove_sysfs(struct device *dev)
{
@@ -395,7 +397,9 @@ void gk20a_remove_sysfs(struct device *dev)
device_remove_file(dev, &dev_attr_load);
device_remove_file(dev, &dev_attr_railgate_delay);
device_remove_file(dev, &dev_attr_clockgate_delay);
#ifdef CONFIG_PM_RUNTIME
device_remove_file(dev, &dev_attr_force_idle);
#endif
if (g->host1x_dev && (dev->parent != &g->host1x_dev->dev))
sysfs_remove_link(&dev->kobj, dev_name(dev));
@@ -416,7 +420,9 @@ void gk20a_create_sysfs(struct platform_device *dev)
error |= device_create_file(&dev->dev, &dev_attr_load);
error |= device_create_file(&dev->dev, &dev_attr_railgate_delay);
error |= device_create_file(&dev->dev, &dev_attr_clockgate_delay);
#ifdef CONFIG_PM_RUNTIME
error |= device_create_file(&dev->dev, &dev_attr_force_idle);
#endif
if (g->host1x_dev && (dev->dev.parent != &g->host1x_dev->dev))
error |= sysfs_create_link(&g->host1x_dev->dev.kobj,