2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
24 * Authors: Dave Airlie
30 #include "radeon_drm.h"
33 int radeon_gem_object_init(struct drm_gem_object *obj)
35 /* we do nothings here */
39 void radeon_gem_object_free(struct drm_gem_object *gobj)
41 struct radeon_bo *robj = gobj->driver_private;
43 gobj->driver_private = NULL;
45 radeon_bo_unref(&robj);
49 int radeon_gem_object_create(struct radeon_device *rdev, int size,
50 int alignment, int initial_domain,
51 bool discardable, bool kernel,
52 struct drm_gem_object **obj)
54 struct drm_gem_object *gobj;
55 struct radeon_bo *robj;
59 gobj = drm_gem_object_alloc(rdev->ddev, size);
63 /* At least align on page size */
64 if (alignment < PAGE_SIZE) {
65 alignment = PAGE_SIZE;
67 r = radeon_bo_create(rdev, gobj, size, kernel, initial_domain, &robj);
69 DRM_ERROR("Failed to allocate GEM object (%d, %d, %u)\n",
70 size, initial_domain, alignment);
71 mutex_lock(&rdev->ddev->struct_mutex);
72 drm_gem_object_unreference(gobj);
73 mutex_unlock(&rdev->ddev->struct_mutex);
76 gobj->driver_private = robj;
81 int radeon_gem_object_pin(struct drm_gem_object *obj, uint32_t pin_domain,
84 struct radeon_bo *robj = obj->driver_private;
87 r = radeon_bo_reserve(robj, false);
90 r = radeon_bo_pin(robj, pin_domain, gpu_addr);
91 radeon_bo_unreserve(robj);
95 void radeon_gem_object_unpin(struct drm_gem_object *obj)
97 struct radeon_bo *robj = obj->driver_private;
100 r = radeon_bo_reserve(robj, false);
101 if (likely(r == 0)) {
102 radeon_bo_unpin(robj);
103 radeon_bo_unreserve(robj);
107 int radeon_gem_set_domain(struct drm_gem_object *gobj,
108 uint32_t rdomain, uint32_t wdomain)
110 struct radeon_bo *robj;
114 /* FIXME: reeimplement */
115 robj = gobj->driver_private;
116 /* work out where to validate the buffer to */
123 printk(KERN_WARNING "Set domain withou domain !\n");
126 if (domain == RADEON_GEM_DOMAIN_CPU) {
127 /* Asking for cpu access wait for object idle */
128 r = radeon_bo_wait(robj, NULL, false);
130 printk(KERN_ERR "Failed to wait for object !\n");
133 radeon_hdp_flush(robj->rdev);
138 int radeon_gem_init(struct radeon_device *rdev)
140 INIT_LIST_HEAD(&rdev->gem.objects);
144 void radeon_gem_fini(struct radeon_device *rdev)
146 radeon_bo_force_delete(rdev);
153 int radeon_gem_info_ioctl(struct drm_device *dev, void *data,
154 struct drm_file *filp)
156 struct radeon_device *rdev = dev->dev_private;
157 struct drm_radeon_gem_info *args = data;
159 args->vram_size = rdev->mc.real_vram_size;
160 args->vram_visible = rdev->mc.real_vram_size;
161 if (rdev->stollen_vga_memory)
162 args->vram_visible -= radeon_bo_size(rdev->stollen_vga_memory);
164 args->vram_visible -= radeon_bo_size(rdev->fbdev_rbo);
165 args->gart_size = rdev->mc.gtt_size - rdev->cp.ring_size - 4096 -
166 RADEON_IB_POOL_SIZE*64*1024;
170 int radeon_gem_pread_ioctl(struct drm_device *dev, void *data,
171 struct drm_file *filp)
173 /* TODO: implement */
174 DRM_ERROR("unimplemented %s\n", __func__);
178 int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data,
179 struct drm_file *filp)
181 /* TODO: implement */
182 DRM_ERROR("unimplemented %s\n", __func__);
186 int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
187 struct drm_file *filp)
189 struct radeon_device *rdev = dev->dev_private;
190 struct drm_radeon_gem_create *args = data;
191 struct drm_gem_object *gobj;
195 /* create a gem object to contain this object in */
196 args->size = roundup(args->size, PAGE_SIZE);
197 r = radeon_gem_object_create(rdev, args->size, args->alignment,
198 args->initial_domain, false,
203 r = drm_gem_handle_create(filp, gobj, &handle);
205 mutex_lock(&dev->struct_mutex);
206 drm_gem_object_unreference(gobj);
207 mutex_unlock(&dev->struct_mutex);
210 mutex_lock(&dev->struct_mutex);
211 drm_gem_object_handle_unreference(gobj);
212 mutex_unlock(&dev->struct_mutex);
213 args->handle = handle;
217 int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data,
218 struct drm_file *filp)
220 /* transition the BO to a domain -
221 * just validate the BO into a certain domain */
222 struct drm_radeon_gem_set_domain *args = data;
223 struct drm_gem_object *gobj;
224 struct radeon_bo *robj;
227 /* for now if someone requests domain CPU -
228 * just make sure the buffer is finished with */
230 /* just do a BO wait for now */
231 gobj = drm_gem_object_lookup(dev, filp, args->handle);
235 robj = gobj->driver_private;
237 r = radeon_gem_set_domain(gobj, args->read_domains, args->write_domain);
239 mutex_lock(&dev->struct_mutex);
240 drm_gem_object_unreference(gobj);
241 mutex_unlock(&dev->struct_mutex);
245 int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data,
246 struct drm_file *filp)
248 struct drm_radeon_gem_mmap *args = data;
249 struct drm_gem_object *gobj;
250 struct radeon_bo *robj;
252 gobj = drm_gem_object_lookup(dev, filp, args->handle);
256 robj = gobj->driver_private;
257 args->addr_ptr = radeon_bo_mmap_offset(robj);
258 mutex_lock(&dev->struct_mutex);
259 drm_gem_object_unreference(gobj);
260 mutex_unlock(&dev->struct_mutex);
264 int radeon_gem_busy_ioctl(struct drm_device *dev, void *data,
265 struct drm_file *filp)
267 struct drm_radeon_gem_busy *args = data;
268 struct drm_gem_object *gobj;
269 struct radeon_bo *robj;
271 uint32_t cur_placement = 0;
273 gobj = drm_gem_object_lookup(dev, filp, args->handle);
277 robj = gobj->driver_private;
278 r = radeon_bo_wait(robj, &cur_placement, true);
279 switch (cur_placement) {
281 args->domain = RADEON_GEM_DOMAIN_VRAM;
284 args->domain = RADEON_GEM_DOMAIN_GTT;
287 args->domain = RADEON_GEM_DOMAIN_CPU;
291 mutex_lock(&dev->struct_mutex);
292 drm_gem_object_unreference(gobj);
293 mutex_unlock(&dev->struct_mutex);
297 int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
298 struct drm_file *filp)
300 struct drm_radeon_gem_wait_idle *args = data;
301 struct drm_gem_object *gobj;
302 struct radeon_bo *robj;
305 gobj = drm_gem_object_lookup(dev, filp, args->handle);
309 robj = gobj->driver_private;
310 r = radeon_bo_wait(robj, NULL, false);
311 mutex_lock(&dev->struct_mutex);
312 drm_gem_object_unreference(gobj);
313 mutex_unlock(&dev->struct_mutex);
314 radeon_hdp_flush(robj->rdev);
318 int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data,
319 struct drm_file *filp)
321 struct drm_radeon_gem_set_tiling *args = data;
322 struct drm_gem_object *gobj;
323 struct radeon_bo *robj;
326 DRM_DEBUG("%d \n", args->handle);
327 gobj = drm_gem_object_lookup(dev, filp, args->handle);
330 robj = gobj->driver_private;
331 r = radeon_bo_set_tiling_flags(robj, args->tiling_flags, args->pitch);
332 mutex_lock(&dev->struct_mutex);
333 drm_gem_object_unreference(gobj);
334 mutex_unlock(&dev->struct_mutex);
338 int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
339 struct drm_file *filp)
341 struct drm_radeon_gem_get_tiling *args = data;
342 struct drm_gem_object *gobj;
343 struct radeon_bo *rbo;
347 gobj = drm_gem_object_lookup(dev, filp, args->handle);
350 rbo = gobj->driver_private;
351 r = radeon_bo_reserve(rbo, false);
352 if (unlikely(r != 0))
354 radeon_bo_get_tiling_flags(rbo, &args->tiling_flags, &args->pitch);
355 radeon_bo_unreserve(rbo);
356 mutex_lock(&dev->struct_mutex);
357 drm_gem_object_unreference(gobj);
358 mutex_unlock(&dev->struct_mutex);