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-rw-r--r--drivers/gpu/drm/drm_crtc_helper.c6
-rw-r--r--drivers/gpu/drm/drm_drv.c44
-rw-r--r--drivers/gpu/drm/drm_fb_helper.c26
-rw-r--r--drivers/gpu/drm/drm_gem.c70
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c16
-rw-r--r--drivers/gpu/drm/i915/i915_gem_tiling.c4
-rw-r--r--drivers/gpu/drm/i915/intel_display.c13
-rw-r--r--drivers/gpu/drm/i915/intel_overlay.c2
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_display.c7
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_fbcon.c4
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_gem.c26
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_notifier.c9
-rw-r--r--drivers/gpu/drm/nouveau/nv04_crtc.c4
-rw-r--r--drivers/gpu/drm/nouveau/nv50_crtc.c4
-rw-r--r--drivers/gpu/drm/radeon/atom.c4
-rw-r--r--drivers/gpu/drm/radeon/radeon_cs.c7
-rw-r--r--drivers/gpu/drm/radeon/radeon_cursor.c8
-rw-r--r--drivers/gpu/drm/radeon/radeon_display.c7
-rw-r--r--drivers/gpu/drm/radeon/radeon_gem.c36
-rw-r--r--drivers/gpu/drm/ttm/ttm_tt.c18
20 files changed, 131 insertions, 184 deletions
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index 7d0f00a935f..f2aaf39be39 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -836,11 +836,7 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
mode_changed = true;
} else if (set->fb == NULL) {
mode_changed = true;
- } else if ((set->fb->bits_per_pixel !=
- set->crtc->fb->bits_per_pixel) ||
- set->fb->depth != set->crtc->fb->depth)
- fb_changed = true;
- else
+ } else
fb_changed = true;
}
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index 766c46875a2..f3c58e2bd75 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -125,28 +125,28 @@ static struct drm_ioctl_desc drm_ioctls[] = {
DRM_IOCTL_DEF(DRM_IOCTL_UPDATE_DRAW, drm_update_drawable_info, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
- DRM_IOCTL_DEF(DRM_IOCTL_GEM_CLOSE, drm_gem_close_ioctl, 0),
- DRM_IOCTL_DEF(DRM_IOCTL_GEM_FLINK, drm_gem_flink_ioctl, DRM_AUTH),
- DRM_IOCTL_DEF(DRM_IOCTL_GEM_OPEN, drm_gem_open_ioctl, DRM_AUTH),
-
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETRESOURCES, drm_mode_getresources, DRM_MASTER|DRM_CONTROL_ALLOW),
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETCRTC, drm_mode_getcrtc, DRM_MASTER|DRM_CONTROL_ALLOW),
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETCRTC, drm_mode_setcrtc, DRM_MASTER|DRM_CONTROL_ALLOW),
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_CURSOR, drm_mode_cursor_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW),
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETGAMMA, drm_mode_gamma_get_ioctl, DRM_MASTER),
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETGAMMA, drm_mode_gamma_set_ioctl, DRM_MASTER),
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETENCODER, drm_mode_getencoder, DRM_MASTER|DRM_CONTROL_ALLOW),
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETCONNECTOR, drm_mode_getconnector, DRM_MASTER|DRM_CONTROL_ALLOW),
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_ATTACHMODE, drm_mode_attachmode_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW),
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_DETACHMODE, drm_mode_detachmode_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW),
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPROPERTY, drm_mode_getproperty_ioctl, DRM_MASTER | DRM_CONTROL_ALLOW),
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETPROPERTY, drm_mode_connector_property_set_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW),
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPROPBLOB, drm_mode_getblob_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW),
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETFB, drm_mode_getfb, DRM_MASTER|DRM_CONTROL_ALLOW),
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_ADDFB, drm_mode_addfb, DRM_MASTER|DRM_CONTROL_ALLOW),
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_RMFB, drm_mode_rmfb, DRM_MASTER|DRM_CONTROL_ALLOW),
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_PAGE_FLIP, drm_mode_page_flip_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW),
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_DIRTYFB, drm_mode_dirtyfb_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW)
+ DRM_IOCTL_DEF(DRM_IOCTL_GEM_CLOSE, drm_gem_close_ioctl, DRM_UNLOCKED),
+ DRM_IOCTL_DEF(DRM_IOCTL_GEM_FLINK, drm_gem_flink_ioctl, DRM_AUTH|DRM_UNLOCKED),
+ DRM_IOCTL_DEF(DRM_IOCTL_GEM_OPEN, drm_gem_open_ioctl, DRM_AUTH|DRM_UNLOCKED),
+
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETRESOURCES, drm_mode_getresources, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETCRTC, drm_mode_getcrtc, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETCRTC, drm_mode_setcrtc, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_CURSOR, drm_mode_cursor_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETGAMMA, drm_mode_gamma_get_ioctl, DRM_MASTER|DRM_UNLOCKED),
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETGAMMA, drm_mode_gamma_set_ioctl, DRM_MASTER|DRM_UNLOCKED),
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETENCODER, drm_mode_getencoder, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETCONNECTOR, drm_mode_getconnector, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_ATTACHMODE, drm_mode_attachmode_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_DETACHMODE, drm_mode_detachmode_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPROPERTY, drm_mode_getproperty_ioctl, DRM_MASTER | DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETPROPERTY, drm_mode_connector_property_set_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPROPBLOB, drm_mode_getblob_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETFB, drm_mode_getfb, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_ADDFB, drm_mode_addfb, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_RMFB, drm_mode_rmfb, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_PAGE_FLIP, drm_mode_page_flip_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_DIRTYFB, drm_mode_dirtyfb_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED)
};
#define DRM_CORE_IOCTL_COUNT ARRAY_SIZE( drm_ioctls )
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 0f9e90552dc..50549703584 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -27,6 +27,7 @@
* Dave Airlie <airlied@linux.ie>
* Jesse Barnes <jesse.barnes@intel.com>
*/
+#include <linux/kernel.h>
#include <linux/sysrq.h>
#include <linux/fb.h>
#include "drmP.h"
@@ -50,21 +51,6 @@ int drm_fb_helper_add_connector(struct drm_connector *connector)
}
EXPORT_SYMBOL(drm_fb_helper_add_connector);
-static int my_atoi(const char *name)
-{
- int val = 0;
-
- for (;; name++) {
- switch (*name) {
- case '0' ... '9':
- val = 10*val+(*name-'0');
- break;
- default:
- return val;
- }
- }
-}
-
/**
* drm_fb_helper_connector_parse_command_line - parse command line for connector
* @connector - connector to parse line for
@@ -111,7 +97,7 @@ static bool drm_fb_helper_connector_parse_command_line(struct drm_connector *con
namelen = i;
if (!refresh_specified && !bpp_specified &&
!yres_specified) {
- refresh = my_atoi(&name[i+1]);
+ refresh = simple_strtol(&name[i+1], NULL, 10);
refresh_specified = 1;
if (cvt || rb)
cvt = 0;
@@ -121,7 +107,7 @@ static bool drm_fb_helper_connector_parse_command_line(struct drm_connector *con
case '-':
namelen = i;
if (!bpp_specified && !yres_specified) {
- bpp = my_atoi(&name[i+1]);
+ bpp = simple_strtol(&name[i+1], NULL, 10);
bpp_specified = 1;
if (cvt || rb)
cvt = 0;
@@ -130,7 +116,7 @@ static bool drm_fb_helper_connector_parse_command_line(struct drm_connector *con
break;
case 'x':
if (!yres_specified) {
- yres = my_atoi(&name[i+1]);
+ yres = simple_strtol(&name[i+1], NULL, 10);
yres_specified = 1;
} else
goto done;
@@ -170,7 +156,7 @@ static bool drm_fb_helper_connector_parse_command_line(struct drm_connector *con
}
}
if (i < 0 && yres_specified) {
- xres = my_atoi(name);
+ xres = simple_strtol(name, NULL, 10);
res_specified = 1;
}
done:
@@ -694,7 +680,7 @@ int drm_fb_helper_set_par(struct fb_info *info)
int i;
if (var->pixclock != 0) {
- DRM_ERROR("PIXEL CLCOK SET\n");
+ DRM_ERROR("PIXEL CLOCK SET\n");
return -EINVAL;
}
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index 8bf3770f294..aa89d4b0b4c 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -192,9 +192,7 @@ drm_gem_handle_delete(struct drm_file *filp, u32 handle)
idr_remove(&filp->object_idr, handle);
spin_unlock(&filp->table_lock);
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_handle_unreference(obj);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_handle_unreference_unlocked(obj);
return 0;
}
@@ -325,9 +323,7 @@ again:
}
err:
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(obj);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(obj);
return ret;
}
@@ -358,9 +354,7 @@ drm_gem_open_ioctl(struct drm_device *dev, void *data,
return -ENOENT;
ret = drm_gem_handle_create(file_priv, obj, &handle);
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(obj);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(obj);
if (ret)
return ret;
@@ -390,7 +384,7 @@ drm_gem_object_release_handle(int id, void *ptr, void *data)
{
struct drm_gem_object *obj = ptr;
- drm_gem_object_handle_unreference(obj);
+ drm_gem_object_handle_unreference_unlocked(obj);
return 0;
}
@@ -403,16 +397,25 @@ drm_gem_object_release_handle(int id, void *ptr, void *data)
void
drm_gem_release(struct drm_device *dev, struct drm_file *file_private)
{
- mutex_lock(&dev->struct_mutex);
idr_for_each(&file_private->object_idr,
&drm_gem_object_release_handle, NULL);
idr_destroy(&file_private->object_idr);
- mutex_unlock(&dev->struct_mutex);
+}
+
+static void
+drm_gem_object_free_common(struct drm_gem_object *obj)
+{
+ struct drm_device *dev = obj->dev;
+ fput(obj->filp);
+ atomic_dec(&dev->object_count);
+ atomic_sub(obj->size, &dev->object_memory);
+ kfree(obj);
}
/**
* Called after the last reference to the object has been lost.
+ * Must be called holding struct_ mutex
*
* Frees the object
*/
@@ -427,14 +430,40 @@ drm_gem_object_free(struct kref *kref)
if (dev->driver->gem_free_object != NULL)
dev->driver->gem_free_object(obj);
- fput(obj->filp);
- atomic_dec(&dev->object_count);
- atomic_sub(obj->size, &dev->object_memory);
- kfree(obj);
+ drm_gem_object_free_common(obj);
}
EXPORT_SYMBOL(drm_gem_object_free);
/**
+ * Called after the last reference to the object has been lost.
+ * Must be called without holding struct_mutex
+ *
+ * Frees the object
+ */
+void
+drm_gem_object_free_unlocked(struct kref *kref)
+{
+ struct drm_gem_object *obj = (struct drm_gem_object *) kref;
+ struct drm_device *dev = obj->dev;
+
+ if (dev->driver->gem_free_object_unlocked != NULL)
+ dev->driver->gem_free_object_unlocked(obj);
+ else if (dev->driver->gem_free_object != NULL) {
+ mutex_lock(&dev->struct_mutex);
+ dev->driver->gem_free_object(obj);
+ mutex_unlock(&dev->struct_mutex);
+ }
+
+ drm_gem_object_free_common(obj);
+}
+EXPORT_SYMBOL(drm_gem_object_free_unlocked);
+
+static void drm_gem_object_ref_bug(struct kref *list_kref)
+{
+ BUG();
+}
+
+/**
* Called after the last handle to the object has been closed
*
* Removes any name for the object. Note that this must be
@@ -458,8 +487,10 @@ drm_gem_object_handle_free(struct kref *kref)
/*
* The object name held a reference to this object, drop
* that now.
+ *
+ * This cannot be the last reference, since the handle holds one too.
*/
- drm_gem_object_unreference(obj);
+ kref_put(&obj->refcount, drm_gem_object_ref_bug);
} else
spin_unlock(&dev->object_name_lock);
@@ -477,11 +508,8 @@ EXPORT_SYMBOL(drm_gem_vm_open);
void drm_gem_vm_close(struct vm_area_struct *vma)
{
struct drm_gem_object *obj = vma->vm_private_data;
- struct drm_device *dev = obj->dev;
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(obj);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(obj);
}
EXPORT_SYMBOL(drm_gem_vm_close);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index ec8a0d7ffa3..9d87d5a41bd 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -128,9 +128,7 @@ i915_gem_create_ioctl(struct drm_device *dev, void *data,
return -ENOMEM;
ret = drm_gem_handle_create(file_priv, obj, &handle);
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_handle_unreference(obj);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_handle_unreference_unlocked(obj);
if (ret)
return ret;
@@ -488,7 +486,7 @@ i915_gem_pread_ioctl(struct drm_device *dev, void *data,
*/
if (args->offset > obj->size || args->size > obj->size ||
args->offset + args->size > obj->size) {
- drm_gem_object_unreference(obj);
+ drm_gem_object_unreference_unlocked(obj);
return -EINVAL;
}
@@ -501,7 +499,7 @@ i915_gem_pread_ioctl(struct drm_device *dev, void *data,
file_priv);
}
- drm_gem_object_unreference(obj);
+ drm_gem_object_unreference_unlocked(obj);
return ret;
}
@@ -961,7 +959,7 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
*/
if (args->offset > obj->size || args->size > obj->size ||
args->offset + args->size > obj->size) {
- drm_gem_object_unreference(obj);
+ drm_gem_object_unreference_unlocked(obj);
return -EINVAL;
}
@@ -995,7 +993,7 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
DRM_INFO("pwrite failed %d\n", ret);
#endif
- drm_gem_object_unreference(obj);
+ drm_gem_object_unreference_unlocked(obj);
return ret;
}
@@ -1138,9 +1136,7 @@ i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
PROT_READ | PROT_WRITE, MAP_SHARED,
args->offset);
up_write(&current->mm->mmap_sem);
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(obj);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(obj);
if (IS_ERR((void *)addr))
return addr;
diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index df278b2685b..137e888427f 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -438,9 +438,7 @@ i915_gem_set_tiling(struct drm_device *dev, void *data,
obj_priv = obj->driver_private;
if (!i915_tiling_ok(dev, args->stride, obj->size, args->tiling_mode)) {
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(obj);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(obj);
return -EINVAL;
}
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index b27202d23eb..c8fd15f146a 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3553,11 +3553,10 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
intel_crtc->cursor_bo = bo;
return 0;
-fail:
- mutex_lock(&dev->struct_mutex);
fail_locked:
- drm_gem_object_unreference(bo);
mutex_unlock(&dev->struct_mutex);
+fail:
+ drm_gem_object_unreference_unlocked(bo);
return ret;
}
@@ -4476,9 +4475,7 @@ static void intel_user_framebuffer_destroy(struct drm_framebuffer *fb)
intelfb_remove(dev, fb);
drm_framebuffer_cleanup(fb);
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(intel_fb->obj);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(intel_fb->obj);
kfree(intel_fb);
}
@@ -4541,9 +4538,7 @@ intel_user_framebuffer_create(struct drm_device *dev,
ret = intel_framebuffer_create(dev, mode_cmd, &fb, obj);
if (ret) {
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(obj);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(obj);
return NULL;
}
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index 2639591c72e..1b50d61c5aa 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -1179,7 +1179,7 @@ int intel_overlay_put_image(struct drm_device *dev, void *data,
out_unlock:
mutex_unlock(&dev->struct_mutex);
mutex_unlock(&dev->mode_config.mutex);
- drm_gem_object_unreference(new_bo);
+ drm_gem_object_unreference_unlocked(new_bo);
kfree(params);
return ret;
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index dfc94391d71..cf1c5c0a0ab 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -39,11 +39,8 @@ nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
if (drm_fb->fbdev)
nouveau_fbcon_remove(dev, drm_fb);
- if (fb->nvbo) {
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(fb->nvbo->gem);
- mutex_unlock(&dev->struct_mutex);
- }
+ if (fb->nvbo)
+ drm_gem_object_unreference_unlocked(fb->nvbo->gem);
drm_framebuffer_cleanup(drm_fb);
kfree(fb);
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index ea879a2efef..d48c59cdefe 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -401,10 +401,8 @@ nouveau_fbcon_remove(struct drm_device *dev, struct drm_framebuffer *fb)
unregister_framebuffer(info);
nouveau_bo_unmap(nouveau_fb->nvbo);
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(nouveau_fb->nvbo->gem);
+ drm_gem_object_unreference_unlocked(nouveau_fb->nvbo->gem);
nouveau_fb->nvbo = NULL;
- mutex_unlock(&dev->struct_mutex);
if (par)
drm_fb_helper_free(&par->helper);
framebuffer_release(info);
diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
index 70cc30803e3..34063c56189 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -167,12 +167,10 @@ nouveau_gem_ioctl_new(struct drm_device *dev, void *data,
ret = drm_gem_handle_create(file_priv, nvbo->gem, &req->info.handle);
out:
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_handle_unreference(nvbo->gem);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_handle_unreference_unlocked(nvbo->gem);
if (ret)
- drm_gem_object_unreference(nvbo->gem);
+ drm_gem_object_unreference_unlocked(nvbo->gem);
return ret;
}
@@ -865,9 +863,7 @@ nouveau_gem_ioctl_pin(struct drm_device *dev, void *data,
req->domain = NOUVEAU_GEM_DOMAIN_VRAM;
out:
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(gem);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(gem);
return ret;
}
@@ -891,9 +887,7 @@ nouveau_gem_ioctl_unpin(struct drm_device *dev, void *data,
ret = nouveau_bo_unpin(nouveau_gem_object(gem));
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(gem);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(gem);
return ret;
}
@@ -935,9 +929,7 @@ nouveau_gem_ioctl_cpu_prep(struct drm_device *dev, void *data,
}
out:
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(gem);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(gem);
return ret;
}
@@ -965,9 +957,7 @@ nouveau_gem_ioctl_cpu_fini(struct drm_device *dev, void *data,
ret = 0;
out:
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(gem);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(gem);
return ret;
}
@@ -986,9 +976,7 @@ nouveau_gem_ioctl_info(struct drm_device *dev, void *data,
return -EINVAL;
ret = nouveau_gem_info(gem, req);
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(gem);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(gem);
return ret;
}
diff --git a/drivers/gpu/drm/nouveau/nouveau_notifier.c b/drivers/gpu/drm/nouveau/nouveau_notifier.c
index d99dc087f9b..9537f3e3011 100644
--- a/drivers/gpu/drm/nouveau/nouveau_notifier.c
+++ b/drivers/gpu/drm/nouveau/nouveau_notifier.c
@@ -61,11 +61,8 @@ nouveau_notifier_init_channel(struct nouveau_channel *chan)
chan->notifier_bo = ntfy;
out_err:
- if (ret) {
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(ntfy->gem);
- mutex_unlock(&dev->struct_mutex);
- }
+ if (ret)
+ drm_gem_object_unreference_unlocked(ntfy->gem);
return ret;
}
@@ -81,8 +78,8 @@ nouveau_notifier_takedown_channel(struct nouveau_channel *chan)
nouveau_bo_unmap(chan->notifier_bo);
mutex_lock(&dev->struct_mutex);
nouveau_bo_unpin(chan->notifier_bo);
- drm_gem_object_unreference(chan->notifier_bo->gem);
mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(chan->notifier_bo->gem);
nouveau_mem_takedown(&chan->notifier_heap);
}
diff --git a/drivers/gpu/drm/nouveau/nv04_crtc.c b/drivers/gpu/drm/nouveau/nv04_crtc.c
index d2f143ed97c..a1d1ebb073d 100644
--- a/drivers/gpu/drm/nouveau/nv04_crtc.c
+++ b/drivers/gpu/drm/nouveau/nv04_crtc.c
@@ -926,9 +926,7 @@ nv04_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.offset);
nv_crtc->cursor.show(nv_crtc, true);
out:
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(gem);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(gem);
return ret;
}
diff --git a/drivers/gpu/drm/nouveau/nv50_crtc.c b/drivers/gpu/drm/nouveau/nv50_crtc.c
index d1a651e3400..cfabeb974a5 100644
--- a/drivers/gpu/drm/nouveau/nv50_crtc.c
+++ b/drivers/gpu/drm/nouveau/nv50_crtc.c
@@ -358,9 +358,7 @@ nv50_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
nv_crtc->cursor.show(nv_crtc, true);
out:
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(gem);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(gem);
return ret;
}
diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c
index 7f152f66f19..d75788feac6 100644
--- a/drivers/gpu/drm/radeon/atom.c
+++ b/drivers/gpu/drm/radeon/atom.c
@@ -881,8 +881,6 @@ static void atom_op_shl(atom_exec_context *ctx, int *ptr, int arg)
uint8_t attr = U8((*ptr)++), shift;
uint32_t saved, dst;
int dptr = *ptr;
- attr &= 0x38;
- attr |= atom_def_dst[attr >> 3] << 6;
SDEBUG(" dst: ");
dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
shift = atom_get_src(ctx, attr, ptr);
@@ -897,8 +895,6 @@ static void atom_op_shr(atom_exec_context *ctx, int *ptr, int arg)
uint8_t attr = U8((*ptr)++), shift;
uint32_t saved, dst;
int dptr = *ptr;
- attr &= 0x38;
- attr |= atom_def_dst[attr >> 3] << 6;
SDEBUG(" dst: ");
dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
shift = atom_get_src(ctx, attr, ptr);
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index e9d085021c1..70ba02ed772 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -194,11 +194,8 @@ static void radeon_cs_parser_fini(struct radeon_cs_parser *parser, int error)
}
radeon_bo_list_unreserve(&parser->validated);
for (i = 0; i < parser->nrelocs; i++) {
- if (parser->relocs[i].gobj) {
- mutex_lock(&parser->rdev->ddev->struct_mutex);
- drm_gem_object_unreference(parser->relocs[i].gobj);
- mutex_unlock(&parser->rdev->ddev->struct_mutex);
- }
+ if (parser->relocs[i].gobj)
+ drm_gem_object_unreference_unlocked(parser->relocs[i].gobj);
}
kfree(parser->track);
kfree(parser->relocs);
diff --git a/drivers/gpu/drm/radeon/radeon_cursor.c b/drivers/gpu/drm/radeon/radeon_cursor.c
index 28772a37009..6f4a5534a99 100644
--- a/drivers/gpu/drm/radeon/radeon_cursor.c
+++ b/drivers/gpu/drm/radeon/radeon_cursor.c
@@ -169,17 +169,13 @@ int radeon_crtc_cursor_set(struct drm_crtc *crtc,
unpin:
if (radeon_crtc->cursor_bo) {
radeon_gem_object_unpin(radeon_crtc->cursor_bo);
- mutex_lock(&crtc->dev->struct_mutex);
- drm_gem_object_unreference(radeon_crtc->cursor_bo);
- mutex_unlock(&crtc->dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(radeon_crtc->cursor_bo);
}
radeon_crtc->cursor_bo = obj;
return 0;
fail:
- mutex_lock(&crtc->dev->struct_mutex);
- drm_gem_object_unreference(obj);
- mutex_unlock(&crtc->dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(obj);
return 0;
}
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 7e17a362b54..3db82550562 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -679,11 +679,8 @@ static void radeon_user_framebuffer_destroy(struct drm_framebuffer *fb)
if (fb->fbdev)
radeonfb_remove(dev, fb);
- if (radeon_fb->obj) {
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(radeon_fb->obj);
- mutex_unlock(&dev->struct_mutex);
- }
+ if (radeon_fb->obj)
+ drm_gem_object_unreference_unlocked(radeon_fb->obj);
drm_framebuffer_cleanup(fb);
kfree(radeon_fb);
}
diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
index db8e9a355a0..ef92d147d8f 100644
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -69,9 +69,7 @@ int radeon_gem_object_create(struct radeon_device *rdev, int size,
if (r != -ERESTARTSYS)
DRM_ERROR("Failed to allocate GEM object (%d, %d, %u, %d)\n",
size, initial_domain, alignment, r);
- mutex_lock(&rdev->ddev->struct_mutex);
- drm_gem_object_unreference(gobj);
- mutex_unlock(&rdev->ddev->struct_mutex);
+ drm_gem_object_unreference_unlocked(gobj);
return r;
}
gobj->driver_private = robj;
@@ -202,14 +200,10 @@ int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
}
r = drm_gem_handle_create(filp, gobj, &handle);
if (r) {
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(gobj);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(gobj);
return r;
}
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_handle_unreference(gobj);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_handle_unreference_unlocked(gobj);
args->handle = handle;
return 0;
}
@@ -236,9 +230,7 @@ int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data,
r = radeon_gem_set_domain(gobj, args->read_domains, args->write_domain);
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(gobj);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(gobj);
return r;
}
@@ -255,9 +247,7 @@ int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data,
}
robj = gobj->driver_private;
args->addr_ptr = radeon_bo_mmap_offset(robj);
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(gobj);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(gobj);
return 0;
}
@@ -288,9 +278,7 @@ int radeon_gem_busy_ioctl(struct drm_device *dev, void *data,
default:
break;
}
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(gobj);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(gobj);
return r;
}
@@ -311,9 +299,7 @@ int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
/* callback hw specific functions if any */
if (robj->rdev->asic->ioctl_wait_idle)
robj->rdev->asic->ioctl_wait_idle(robj->rdev, robj);
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(gobj);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(gobj);
return r;
}
@@ -331,9 +317,7 @@ int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data,
return -EINVAL;
robj = gobj->driver_private;
r = radeon_bo_set_tiling_flags(robj, args->tiling_flags, args->pitch);
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(gobj);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(gobj);
return r;
}
@@ -356,8 +340,6 @@ int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
radeon_bo_get_tiling_flags(rbo, &args->tiling_flags, &args->pitch);
radeon_bo_unreserve(rbo);
out:
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(gobj);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(gobj);
return r;
}
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
index 3d47a2c1232..a759170763b 100644
--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -480,7 +480,7 @@ static int ttm_tt_swapin(struct ttm_tt *ttm)
void *from_virtual;
void *to_virtual;
int i;
- int ret;
+ int ret = -ENOMEM;
if (ttm->page_flags & TTM_PAGE_FLAG_USER) {
ret = ttm_tt_set_user(ttm, ttm->tsk, ttm->start,
@@ -499,8 +499,10 @@ static int ttm_tt_swapin(struct ttm_tt *ttm)
for (i = 0; i < ttm->num_pages; ++i) {
from_page = read_mapping_page(swap_space, i, NULL);
- if (IS_ERR(from_page))
+ if (IS_ERR(from_page)) {
+ ret = PTR_ERR(from_page);
goto out_err;
+ }
to_page = __ttm_tt_get_page(ttm, i);
if (unlikely(to_page == NULL))
goto out_err;
@@ -523,7 +525,7 @@ static int ttm_tt_swapin(struct ttm_tt *ttm)
return 0;
out_err:
ttm_tt_free_alloced_pages(ttm);
- return -ENOMEM;
+ return ret;
}
int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistant_swap_storage)
@@ -535,6 +537,7 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistant_swap_storage)
void *from_virtual;
void *to_virtual;
int i;
+ int ret = -ENOMEM;
BUG_ON(ttm->state != tt_unbound && ttm->state != tt_unpopulated);
BUG_ON(ttm->caching_state != tt_cached);
@@ -557,7 +560,7 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistant_swap_storage)
0);
if (unlikely(IS_ERR(swap_storage))) {
printk(KERN_ERR "Failed allocating swap storage.\n");
- return -ENOMEM;
+ return PTR_ERR(swap_storage);
}
} else
swap_storage = persistant_swap_storage;
@@ -569,9 +572,10 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistant_swap_storage)
if (unlikely(from_page == NULL))
continue;
to_page = read_mapping_page(swap_space, i, NULL);
- if (unlikely(to_page == NULL))
+ if (unlikely(IS_ERR(to_page))) {
+ ret = PTR_ERR(to_page);
goto out_err;
-
+ }
preempt_disable();
from_virtual = kmap_atomic(from_page, KM_USER0);
to_virtual = kmap_atomic(to_page, KM_USER1);
@@ -595,5 +599,5 @@ out_err:
if (!persistant_swap_storage)
fput(swap_storage);
- return -ENOMEM;
+ return ret;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-14 12:33:40 +0000