diff options
Diffstat (limited to 'drivers/gpu/drm/qxl/qxl_gem.c')
-rw-r--r-- | drivers/gpu/drm/qxl/qxl_gem.c | 149 |
1 files changed, 149 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 000000000000..a235693aabba --- /dev/null +++ b/drivers/gpu/drm/qxl/qxl_gem.c @@ -0,0 +1,149 @@ +/* + * 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 "drmP.h" +#include "drm/drm.h" +#include "qxl_drv.h" +#include "qxl_object.h" + +int qxl_gem_object_init(struct drm_gem_object *obj) +{ + /* we do nothings here */ + return 0; +} + +void qxl_gem_object_free(struct drm_gem_object *gobj) +{ + struct qxl_bo *qobj = gem_to_qxl_bo(gobj); + + if (qobj) + qxl_bo_unref(&qobj); +} + +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, initial_domain, 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->gem_base; + + mutex_lock(&qdev->gem.mutex); + list_add_tail(&qbo->list, &qdev->gem.objects); + mutex_unlock(&qdev->gem.mutex); + + return 0; +} + +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 qxl_bo **qobj, + uint32_t *handle) +{ + struct drm_gem_object *gobj; + int r; + + BUG_ON(!qobj); + BUG_ON(!handle); + + r = qxl_gem_object_create(qdev, size, 0, + domain, + false, false, surf, + &gobj); + if (r) + return -ENOMEM; + r = drm_gem_handle_create(file_priv, gobj, handle); + if (r) + return r; + /* drop reference from allocate - handle holds it now */ + *qobj = gem_to_qxl_bo(gobj); + drm_gem_object_unreference_unlocked(gobj); + return 0; +} + +int qxl_gem_object_pin(struct drm_gem_object *obj, uint32_t pin_domain, + uint64_t *gpu_addr) +{ + struct qxl_bo *qobj = obj->driver_private; + int r; + + r = qxl_bo_reserve(qobj, false); + if (unlikely(r != 0)) + return r; + r = qxl_bo_pin(qobj, pin_domain, gpu_addr); + qxl_bo_unreserve(qobj); + return r; +} + +void qxl_gem_object_unpin(struct drm_gem_object *obj) +{ + struct qxl_bo *qobj = obj->driver_private; + int r; + + r = qxl_bo_reserve(qobj, false); + if (likely(r == 0)) { + qxl_bo_unpin(qobj); + qxl_bo_unreserve(qobj); + } +} + +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) +{ +} + +int qxl_gem_init(struct qxl_device *qdev) +{ + INIT_LIST_HEAD(&qdev->gem.objects); + return 0; +} + +void qxl_gem_fini(struct qxl_device *qdev) +{ + qxl_bo_force_delete(qdev); +} |