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Diffstat (limited to 'drivers/gpu/drm/qxl/qxl_gem.c')
-rw-r--r--drivers/gpu/drm/qxl/qxl_gem.c131
1 files changed, 131 insertions, 0 deletions
diff --git a/drivers/gpu/drm/qxl/qxl_gem.c b/drivers/gpu/drm/qxl/qxl_gem.c
new file mode 100644
index 000000000..fc5e3763c
--- /dev/null
+++ b/drivers/gpu/drm/qxl/qxl_gem.c
@@ -0,0 +1,131 @@
+/*
+ * Copyright 2013 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Dave Airlie
+ * Alon Levy
+ */
+
+#include <drm/drm.h>
+
+#include "qxl_drv.h"
+#include "qxl_object.h"
+
+void qxl_gem_object_free(struct drm_gem_object *gobj)
+{
+ struct qxl_bo *qobj = gem_to_qxl_bo(gobj);
+ struct qxl_device *qdev;
+ struct ttm_buffer_object *tbo;
+
+ qdev = to_qxl(gobj->dev);
+
+ qxl_surface_evict(qdev, qobj, false);
+
+ tbo = &qobj->tbo;
+ ttm_bo_put(tbo);
+}
+
+int qxl_gem_object_create(struct qxl_device *qdev, int size,
+ int alignment, int initial_domain,
+ bool discardable, bool kernel,
+ struct qxl_surface *surf,
+ struct drm_gem_object **obj)
+{
+ struct qxl_bo *qbo;
+ int r;
+
+ *obj = NULL;
+ /* At least align on page size */
+ if (alignment < PAGE_SIZE)
+ alignment = PAGE_SIZE;
+ r = qxl_bo_create(qdev, size, kernel, false, initial_domain, 0, surf, &qbo);
+ if (r) {
+ if (r != -ERESTARTSYS)
+ DRM_ERROR(
+ "Failed to allocate GEM object (%d, %d, %u, %d)\n",
+ size, initial_domain, alignment, r);
+ return r;
+ }
+ *obj = &qbo->tbo.base;
+
+ mutex_lock(&qdev->gem.mutex);
+ list_add_tail(&qbo->list, &qdev->gem.objects);
+ mutex_unlock(&qdev->gem.mutex);
+
+ return 0;
+}
+
+/*
+ * If the caller passed a valid gobj pointer, it is responsible to call
+ * drm_gem_object_put() when it no longer needs to acess the object.
+ *
+ * If gobj is NULL, it is handled internally.
+ */
+int qxl_gem_object_create_with_handle(struct qxl_device *qdev,
+ struct drm_file *file_priv,
+ u32 domain,
+ size_t size,
+ struct qxl_surface *surf,
+ struct drm_gem_object **gobj,
+ uint32_t *handle)
+{
+ int r;
+ struct drm_gem_object *local_gobj;
+
+ BUG_ON(!handle);
+
+ r = qxl_gem_object_create(qdev, size, 0,
+ domain,
+ false, false, surf,
+ &local_gobj);
+ if (r)
+ return -ENOMEM;
+ r = drm_gem_handle_create(file_priv, local_gobj, handle);
+ if (r)
+ return r;
+
+ if (gobj)
+ *gobj = local_gobj;
+ else
+ /* drop reference from allocate - handle holds it now */
+ drm_gem_object_put(local_gobj);
+
+ return 0;
+}
+
+int qxl_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_priv)
+{
+ return 0;
+}
+
+void qxl_gem_object_close(struct drm_gem_object *obj,
+ struct drm_file *file_priv)
+{
+}
+
+void qxl_gem_init(struct qxl_device *qdev)
+{
+ INIT_LIST_HEAD(&qdev->gem.objects);
+}
+
+void qxl_gem_fini(struct qxl_device *qdev)
+{
+ qxl_bo_force_delete(qdev);
+}