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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/gpu/drm/qxl/qxl_gem.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/qxl/qxl_gem.c')
-rw-r--r-- | drivers/gpu/drm/qxl/qxl_gem.c | 131 |
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 0000000000..fc5e3763c3 --- /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); +} |