* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
+/*
+ * Copyright (c) 2016 Intel Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. The copyright holders make no representations
+ * about the suitability of this software for any purpose. It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
#include <linux/of_address.h>
#include "msm_drv.h"
return drm_release(inode, filp);
}
+/**
+ * msm_ioctl_rmfb2 - remove an FB from the configuration
+ * @dev: drm device for the ioctl
+ * @data: data pointer for the ioctl
+ * @file_priv: drm file for the ioctl call
+ *
+ * Remove the FB specified by the user.
+ *
+ * Called by the user via ioctl.
+ *
+ * Returns:
+ * Zero on success, negative errno on failure.
+ */
+static int msm_ioctl_rmfb2(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ struct drm_framebuffer *fb = NULL;
+ struct drm_framebuffer *fbl = NULL;
+ uint32_t *id = data;
+ int found = 0;
+
+ if (!drm_core_check_feature(dev, DRIVER_MODESET))
+ return -EINVAL;
+
+ fb = drm_framebuffer_lookup(dev, *id);
+ if (!fb)
+ return -ENOENT;
+
+ /* drop extra ref from traversing drm_framebuffer_lookup */
+ drm_framebuffer_unreference(fb);
+
+ mutex_lock(&file_priv->fbs_lock);
+ list_for_each_entry(fbl, &file_priv->fbs, filp_head)
+ if (fb == fbl)
+ found = 1;
+ if (!found) {
+ mutex_unlock(&file_priv->fbs_lock);
+ return -ENOENT;
+ }
+
+ list_del_init(&fb->filp_head);
+ mutex_unlock(&file_priv->fbs_lock);
+
+ drm_framebuffer_unreference(fb);
+
+ return 0;
+}
+
static const struct drm_ioctl_desc msm_ioctls[] = {
DRM_IOCTL_DEF_DRV(MSM_GET_PARAM, msm_ioctl_get_param, DRM_AUTH|DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(MSM_GEM_NEW, msm_ioctl_gem_new, DRM_AUTH|DRM_RENDER_ALLOW),
DRM_AUTH|DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(MSM_SUBMITQUEUE_QUERY, msm_ioctl_submitqueue_query,
DRM_AUTH|DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(MSM_RMFB2, msm_ioctl_rmfb2,
+ DRM_CONTROL_ALLOW|DRM_UNLOCKED),
};
static const struct vm_operations_struct vm_ops = {