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drm/nouveau/debugfs: we need a ctrl object for debugfs

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Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Karol Herbst 2015-07-30 11:52:23 +02:00 committed by Ben Skeggs
parent 56c101af40
commit b126a200e9
4 changed files with 57 additions and 0 deletions
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28
drivers/gpu/drm/nouveau/nouveau_debugfs.c
View File

@ -29,6 +29,7 @@
*/
#include <linux/debugfs.h>
#include <nvif/class.h>
#include "nouveau_debugfs.h"
#include "nouveau_drm.h"
@ -112,3 +113,30 @@ nouveau_drm_debugfs_cleanup(struct drm_minor *minor)
1, minor);
}
}
int
nouveau_debugfs_init(struct nouveau_drm *drm)
{
int ret;
drm->debugfs = kzalloc(sizeof(*drm->debugfs), GFP_KERNEL);
if (!drm->debugfs)
return -ENOMEM;
ret = nvif_object_init(&drm->device.object, 0, NVIF_CLASS_CONTROL,
NULL, 0, &drm->debugfs->ctrl);
if (ret)
return ret;
return 0;
}
void
nouveau_debugfs_fini(struct nouveau_drm *drm)
{
if (drm->debugfs && drm->debugfs->ctrl.priv)
nvif_object_fini(&drm->debugfs->ctrl);
kfree(drm->debugfs);
drm->debugfs = NULL;
}

26
drivers/gpu/drm/nouveau/nouveau_debugfs.h
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@ -4,8 +4,23 @@
#include <drm/drmP.h>
#if defined(CONFIG_DEBUG_FS)
#include "nouveau_drm.h"
struct nouveau_debugfs {
struct nvif_object ctrl;
};
static inline struct nouveau_debugfs *
nouveau_debugfs(struct drm_device *dev)
{
return nouveau_drm(dev)->debugfs;
}
extern int nouveau_drm_debugfs_init(struct drm_minor *);
extern void nouveau_drm_debugfs_cleanup(struct drm_minor *);
extern int nouveau_debugfs_init(struct nouveau_drm *);
extern void nouveau_debugfs_fini(struct nouveau_drm *);
#else
static inline int
nouveau_drm_debugfs_init(struct drm_minor *minor)
@ -18,6 +33,17 @@ nouveau_drm_debugfs_cleanup(struct drm_minor *minor)
{
}
static inline int
nouveau_debugfs_init(struct nouveau_drm *)
{
return 0;
}
static inline void
nouveau_debugfs_fini(struct nouveau_drm *)
{
}
#endif
#endif

2
drivers/gpu/drm/nouveau/nouveau_drm.c
View File

@ -453,6 +453,7 @@ nouveau_drm_load(struct drm_device *dev, unsigned long flags)
goto fail_dispinit;
}
nouveau_debugfs_init(drm);
nouveau_sysfs_init(dev);
nouveau_hwmon_init(dev);
nouveau_accel_init(drm);
@ -492,6 +493,7 @@ nouveau_drm_unload(struct drm_device *dev)
nouveau_accel_fini(drm);
nouveau_hwmon_fini(dev);
nouveau_sysfs_fini(dev);
nouveau_debugfs_fini(drm);
if (dev->mode_config.num_crtc)
nouveau_display_fini(dev);

1
drivers/gpu/drm/nouveau/nouveau_drm.h
View File

@ -165,6 +165,7 @@ struct nouveau_drm {
/* power management */
struct nouveau_hwmon *hwmon;
struct nouveau_sysfs *sysfs;
struct nouveau_debugfs *debugfs;
/* display power reference */
bool have_disp_power_ref;