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authormerge <null@invalid>2009-02-06 00:22:54 +0000
committerAndy Green <agreen@octopus.localdomain>2009-02-06 00:22:54 +0000
commitd1dcdf5718977c93805f9300b6c79f039db84c8b (patch)
tree58a161db6cf8953e33c1c9294a9c720a1aa0ad76 /drivers/gpu/drm/drm_crtc.c
parent9029dff1f370018665a6e2999632a34fd0518f4d (diff)
MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-MERGE-via-master-MERGE-via-master-hist-1232625318-1233879011-1233879414-1233879505
pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-MERGE-via-master-MERGE-via-master-hist-1232625318-1233879011-1233879414-1233879505 / 1c405b6ccee468298e7ccbfd9a3a3f4d123207b0 ... parent commitmessage: From: merge <null@invalid> MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-MERGE-via-master-MERGE-via-master-hist-1232625318-1233879011-1233879414 stable-tracking-hist top was MERGE-via-mokopatches-tracking-MERGE-via-master-MERGE-via-master-hist-1232625318-1233879011-1233879414 / 71be0a45396066b1f8f27f8f4f87937247a129e1 ... parent commitmessage: From: merge <null@invalid> MERGE-via-mokopatches-tracking-hist-MERGE-via-master-MERGE-via-master-hist-1232625318-1233879011 mokopatches-tracking-hist top was MERGE-via-master-MERGE-via-master-hist-1232625318-1233879011 / 1be1b01373f572a02c6f1f99863c8c11ed2f9f5b ... parent commitmessage: From: merge <null@invalid> MERGE-via-master-MERGE-via-master-hist-1232625318 master top was MERGE-via-master-hist-1232625318 / dd4b117123ae66451695810017eb72fbdfc05df5 ... parent commitmessage: From: merge <null@invalid> MERGE-master-patchset-edits
Diffstat (limited to 'drivers/gpu/drm/drm_crtc.c')
-rw-r--r--drivers/gpu/drm/drm_crtc.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 5b2cbb77816..bfce0992fef 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -194,7 +194,6 @@ char *drm_get_connector_status_name(enum drm_connector_status status)
* @type: object type
*
* LOCKING:
- * Caller must hold DRM mode_config lock.
*
* Create a unique identifier based on @ptr in @dev's identifier space. Used
* for tracking modes, CRTCs and connectors.
@@ -209,15 +208,15 @@ static int drm_mode_object_get(struct drm_device *dev,
int new_id = 0;
int ret;
- WARN(!mutex_is_locked(&dev->mode_config.mutex),
- "%s called w/o mode_config lock\n", __func__);
again:
if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) {
DRM_ERROR("Ran out memory getting a mode number\n");
return -EINVAL;
}
+ mutex_lock(&dev->mode_config.idr_mutex);
ret = idr_get_new_above(&dev->mode_config.crtc_idr, obj, 1, &new_id);
+ mutex_unlock(&dev->mode_config.idr_mutex);
if (ret == -EAGAIN)
goto again;
@@ -239,16 +238,20 @@ again:
static void drm_mode_object_put(struct drm_device *dev,
struct drm_mode_object *object)
{
+ mutex_lock(&dev->mode_config.idr_mutex);
idr_remove(&dev->mode_config.crtc_idr, object->id);
+ mutex_unlock(&dev->mode_config.idr_mutex);
}
void *drm_mode_object_find(struct drm_device *dev, uint32_t id, uint32_t type)
{
- struct drm_mode_object *obj;
+ struct drm_mode_object *obj = NULL;
+ mutex_lock(&dev->mode_config.idr_mutex);
obj = idr_find(&dev->mode_config.crtc_idr, id);
if (!obj || (obj->type != type) || (obj->id != id))
- return NULL;
+ obj = NULL;
+ mutex_unlock(&dev->mode_config.idr_mutex);
return obj;
}
@@ -786,6 +789,7 @@ EXPORT_SYMBOL(drm_mode_create_dithering_property);
void drm_mode_config_init(struct drm_device *dev)
{
mutex_init(&dev->mode_config.mutex);
+ mutex_init(&dev->mode_config.idr_mutex);
INIT_LIST_HEAD(&dev->mode_config.fb_list);
INIT_LIST_HEAD(&dev->mode_config.fb_kernel_list);
INIT_LIST_HEAD(&dev->mode_config.crtc_list);