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Diffstat (limited to 'linux-core/drm_drawable.c')
-rw-r--r--linux-core/drm_drawable.c130
1 files changed, 55 insertions, 75 deletions
diff --git a/linux-core/drm_drawable.c b/linux-core/drm_drawable.c
index eb44a189..1839c576 100644
--- a/linux-core/drm_drawable.c
+++ b/linux-core/drm_drawable.c
@@ -40,28 +40,21 @@
/**
* Allocate drawable ID and memory to store information about it.
*/
-int drm_adddraw(DRM_IOCTL_ARGS)
+int drm_adddraw(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
- DRM_DEVICE;
unsigned long irqflags;
- struct drm_drawable_list *draw_info;
- drm_draw_t draw;
+ struct drm_draw *draw = data;
int new_id = 0;
int ret;
- draw_info = drm_calloc(1, sizeof(struct drm_drawable_list), DRM_MEM_BUFS);
- if (!draw_info)
- return -ENOMEM;
-
again:
if (idr_pre_get(&dev->drw_idr, GFP_KERNEL) == 0) {
DRM_ERROR("Out of memory expanding drawable idr\n");
- drm_free(draw_info, sizeof(struct drm_drawable_list), DRM_MEM_BUFS);
return -ENOMEM;
}
spin_lock_irqsave(&dev->drw_lock, irqflags);
- ret = idr_get_new_above(&dev->drw_idr, draw_info, 1, &new_id);
+ ret = idr_get_new_above(&dev->drw_idr, NULL, 1, &new_id);
if (ret == -EAGAIN) {
spin_unlock_irqrestore(&dev->drw_lock, irqflags);
goto again;
@@ -69,11 +62,9 @@ again:
spin_unlock_irqrestore(&dev->drw_lock, irqflags);
- draw.handle = new_id;
-
- DRM_DEBUG("%d\n", draw.handle);
+ draw->handle = new_id;
- DRM_COPY_TO_USER_IOCTL((drm_draw_t __user *)data, draw, sizeof(draw));
+ DRM_DEBUG("%d\n", draw->handle);
return 0;
}
@@ -81,73 +72,64 @@ again:
/**
* Free drawable ID and memory to store information about it.
*/
-int drm_rmdraw(DRM_IOCTL_ARGS)
+int drm_rmdraw(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
- DRM_DEVICE;
- drm_draw_t draw;
+ struct drm_draw *draw = data;
unsigned long irqflags;
- struct drm_drawable_list *draw_info;
-
- DRM_COPY_FROM_USER_IOCTL(draw, (drm_draw_t __user *) data,
- sizeof(draw));
-
- draw_info = idr_find(&dev->drw_idr, draw.handle);
- if (!draw_info) {
- DRM_DEBUG("No such drawable %d\n", draw.handle);
- return -EINVAL;
- }
spin_lock_irqsave(&dev->drw_lock, irqflags);
- idr_remove(&dev->drw_idr, draw.handle);
- drm_free(draw_info, sizeof(struct drm_drawable_list), DRM_MEM_BUFS);
+ drm_free(drm_get_drawable_info(dev, draw->handle),
+ sizeof(struct drm_drawable_info), DRM_MEM_BUFS);
+
+ idr_remove(&dev->drw_idr, draw->handle);
spin_unlock_irqrestore(&dev->drw_lock, irqflags);
- DRM_DEBUG("%d\n", draw.handle);
+ DRM_DEBUG("%d\n", draw->handle);
return 0;
}
-int drm_update_drawable_info(DRM_IOCTL_ARGS) {
- DRM_DEVICE;
- drm_update_draw_t update;
+int drm_update_drawable_info(struct drm_device *dev, void *data, struct drm_file *file_priv)
+{
+ struct drm_update_draw *update = data;
unsigned long irqflags;
- drm_drawable_info_t *info;
- drm_clip_rect_t *rects;
- struct drm_drawable_list *draw_info;
+ struct drm_clip_rect *rects;
+ struct drm_drawable_info *info;
int err;
- DRM_COPY_FROM_USER_IOCTL(update, (drm_update_draw_t __user *) data,
- sizeof(update));
-
- draw_info = idr_find(&dev->drw_idr, update.handle);
- if (!draw_info) {
- DRM_ERROR("No such drawable %d\n", update.handle);
- return DRM_ERR(EINVAL);
+ info = idr_find(&dev->drw_idr, update->handle);
+ if (!info) {
+ info = drm_calloc(1, sizeof(*info), DRM_MEM_BUFS);
+ if (!info)
+ return -ENOMEM;
+ if (IS_ERR(idr_replace(&dev->drw_idr, info, update->handle))) {
+ DRM_ERROR("No such drawable %d\n", update->handle);
+ drm_free(info, sizeof(*info), DRM_MEM_BUFS);
+ return -EINVAL;
+ }
}
- info = &draw_info->info;
-
- switch (update.type) {
+ switch (update->type) {
case DRM_DRAWABLE_CLIPRECTS:
- if (update.num != info->num_rects) {
- rects = drm_alloc(update.num * sizeof(drm_clip_rect_t),
+ if (update->num != info->num_rects) {
+ rects = drm_alloc(update->num * sizeof(struct drm_clip_rect),
DRM_MEM_BUFS);
} else
rects = info->rects;
- if (update.num && !rects) {
+ if (update->num && !rects) {
DRM_ERROR("Failed to allocate cliprect memory\n");
- err = DRM_ERR(ENOMEM);
+ err = -ENOMEM;
goto error;
}
- if (update.num && DRM_COPY_FROM_USER(rects,
- (drm_clip_rect_t __user *)
- (unsigned long)update.data,
- update.num *
+ if (update->num && DRM_COPY_FROM_USER(rects,
+ (struct drm_clip_rect __user *)
+ (unsigned long)update->data,
+ update->num *
sizeof(*rects))) {
DRM_ERROR("Failed to copy cliprects from userspace\n");
- err = DRM_ERR(EFAULT);
+ err = -EFAULT;
goto error;
}
@@ -155,27 +137,27 @@ int drm_update_drawable_info(DRM_IOCTL_ARGS) {
if (rects != info->rects) {
drm_free(info->rects, info->num_rects *
- sizeof(drm_clip_rect_t), DRM_MEM_BUFS);
+ sizeof(struct drm_clip_rect), DRM_MEM_BUFS);
}
info->rects = rects;
- info->num_rects = update.num;
+ info->num_rects = update->num;
spin_unlock_irqrestore(&dev->drw_lock, irqflags);
DRM_DEBUG("Updated %d cliprects for drawable %d\n",
- info->num_rects, update.handle);
+ info->num_rects, update->handle);
break;
default:
- DRM_ERROR("Invalid update type %d\n", update.type);
- return DRM_ERR(EINVAL);
+ DRM_ERROR("Invalid update type %d\n", update->type);
+ return -EINVAL;
}
return 0;
error:
if (rects != info->rects)
- drm_free(rects, update.num * sizeof(drm_clip_rect_t),
+ drm_free(rects, update->num * sizeof(struct drm_clip_rect),
DRM_MEM_BUFS);
return err;
@@ -184,28 +166,26 @@ error:
/**
* Caller must hold the drawable spinlock!
*/
-drm_drawable_info_t *drm_get_drawable_info(drm_device_t *dev, drm_drawable_t id) {
- struct drm_drawable_list *draw_info;
- draw_info = idr_find(&dev->drw_idr, id);
- if (!draw_info) {
- DRM_DEBUG("No such drawable %d\n", id);
- return NULL;
- }
-
- return &draw_info->info;
+struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, drm_drawable_t id)
+{
+ return idr_find(&dev->drw_idr, id);
}
EXPORT_SYMBOL(drm_get_drawable_info);
static int drm_drawable_free(int idr, void *p, void *data)
{
- struct drm_drawable_list *drw_entry = p;
- drm_free(drw_entry->info.rects, drw_entry->info.num_rects *
- sizeof(drm_clip_rect_t), DRM_MEM_BUFS);
- drm_free(drw_entry, sizeof(struct drm_drawable_list), DRM_MEM_BUFS);
+ struct drm_drawable_info *info = p;
+
+ if (info) {
+ drm_free(info->rects, info->num_rects *
+ sizeof(struct drm_clip_rect), DRM_MEM_BUFS);
+ drm_free(info, sizeof(*info), DRM_MEM_BUFS);
+ }
+
return 0;
}
-void drm_drawable_free_all(drm_device_t *dev)
+void drm_drawable_free_all(struct drm_device *dev)
{
idr_for_each(&dev->drw_idr, drm_drawable_free, NULL);
idr_remove_all(&dev->drw_idr);