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drm/nouveau: hide sysfs pstate file behind an option again

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No-one has yet had time to move this to debugfs as discussed during
the last merge window.  Until this happens, hide the option to make
it clear it's not going to be here forever.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2014-08-10 04:10:30 +10:00
parent c354080dc8
commit 0d48b58af3
1 changed files with 8 additions and 1 deletions
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9
drivers/gpu/drm/nouveau/nouveau_sysfs.c
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@ -28,6 +28,10 @@
#include "nouveau_sysfs.h"
MODULE_PARM_DESC(pstate, "enable sysfs pstate file, which will be moved in the future");
static int nouveau_pstate;
module_param_named(pstate, nouveau_pstate, int, 0400);
static inline struct drm_device *
drm_device(struct device *d)
{
@ -160,7 +164,7 @@ nouveau_sysfs_fini(struct drm_device *dev)
struct nouveau_drm *drm = nouveau_drm(dev);
struct nvif_device *device = &drm->device;
if (sysfs->ctrl.priv) {
if (sysfs && sysfs->ctrl.priv) {
device_remove_file(nv_device_base(nvkm_device(device)), &dev_attr_pstate);
nvif_object_fini(&sysfs->ctrl);
}
@ -177,6 +181,9 @@ nouveau_sysfs_init(struct drm_device *dev)
struct nouveau_sysfs *sysfs;
int ret;
if (!nouveau_pstate)
return 0;
sysfs = drm->sysfs = kzalloc(sizeof(*sysfs), GFP_KERNEL);
if (!sysfs)
return -ENOMEM;