124 lines
3.2 KiB
C
124 lines
3.2 KiB
C
/*
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* Copyright 2013 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Dave Airlie
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* Alon Levy
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*/
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#include <drm/drmP.h>
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#include <drm/drm.h>
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#include "qxl_drv.h"
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#include "qxl_object.h"
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void qxl_gem_object_free(struct drm_gem_object *gobj)
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{
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struct qxl_bo *qobj = gem_to_qxl_bo(gobj);
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struct qxl_device *qdev;
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struct ttm_buffer_object *tbo;
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qdev = (struct qxl_device *)gobj->dev->dev_private;
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qxl_surface_evict(qdev, qobj, false);
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tbo = &qobj->tbo;
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ttm_bo_unref(&tbo);
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}
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int qxl_gem_object_create(struct qxl_device *qdev, int size,
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int alignment, int initial_domain,
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bool discardable, bool kernel,
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struct qxl_surface *surf,
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struct drm_gem_object **obj)
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{
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struct qxl_bo *qbo;
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int r;
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*obj = NULL;
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/* At least align on page size */
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if (alignment < PAGE_SIZE)
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alignment = PAGE_SIZE;
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r = qxl_bo_create(qdev, size, kernel, false, initial_domain, surf, &qbo);
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if (r) {
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if (r != -ERESTARTSYS)
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DRM_ERROR(
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"Failed to allocate GEM object (%d, %d, %u, %d)\n",
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size, initial_domain, alignment, r);
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return r;
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}
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*obj = &qbo->gem_base;
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mutex_lock(&qdev->gem.mutex);
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list_add_tail(&qbo->list, &qdev->gem.objects);
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mutex_unlock(&qdev->gem.mutex);
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return 0;
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}
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int qxl_gem_object_create_with_handle(struct qxl_device *qdev,
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struct drm_file *file_priv,
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u32 domain,
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size_t size,
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struct qxl_surface *surf,
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struct qxl_bo **qobj,
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uint32_t *handle)
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{
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struct drm_gem_object *gobj;
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int r;
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BUG_ON(!qobj);
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BUG_ON(!handle);
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r = qxl_gem_object_create(qdev, size, 0,
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domain,
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false, false, surf,
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&gobj);
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if (r)
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return -ENOMEM;
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r = drm_gem_handle_create(file_priv, gobj, handle);
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if (r)
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return r;
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/* drop reference from allocate - handle holds it now */
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*qobj = gem_to_qxl_bo(gobj);
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drm_gem_object_put_unlocked(gobj);
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return 0;
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}
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int qxl_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_priv)
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{
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return 0;
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}
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void qxl_gem_object_close(struct drm_gem_object *obj,
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struct drm_file *file_priv)
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{
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}
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void qxl_gem_init(struct qxl_device *qdev)
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{
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INIT_LIST_HEAD(&qdev->gem.objects);
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}
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void qxl_gem_fini(struct qxl_device *qdev)
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{
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qxl_bo_force_delete(qdev);
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}
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