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)
40 void radeon_gem_object_free(struct drm_gem_object *gobj)
42 struct radeon_bo *robj = gem_to_radeon_bo(gobj);
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 radeon_bo *robj;
58 /* At least align on page size */
59 if (alignment < PAGE_SIZE) {
60 alignment = PAGE_SIZE;
62 r = radeon_bo_create(rdev, size, alignment, kernel, initial_domain, &robj);
64 if (r != -ERESTARTSYS)
65 DRM_ERROR("Failed to allocate GEM object (%d, %d, %u, %d)\n",
66 size, initial_domain, alignment, r);
69 *obj = &robj->gem_base;
71 mutex_lock(&rdev->gem.mutex);
72 list_add_tail(&robj->list, &rdev->gem.objects);
73 mutex_unlock(&rdev->gem.mutex);
78 int radeon_gem_object_pin(struct drm_gem_object *obj, uint32_t pin_domain,
81 struct radeon_bo *robj = gem_to_radeon_bo(obj);
84 r = radeon_bo_reserve(robj, false);
87 r = radeon_bo_pin(robj, pin_domain, gpu_addr);
88 radeon_bo_unreserve(robj);
92 void radeon_gem_object_unpin(struct drm_gem_object *obj)
94 struct radeon_bo *robj = gem_to_radeon_bo(obj);
97 r = radeon_bo_reserve(robj, false);
99 radeon_bo_unpin(robj);
100 radeon_bo_unreserve(robj);
104 int radeon_gem_set_domain(struct drm_gem_object *gobj,
105 uint32_t rdomain, uint32_t wdomain)
107 struct radeon_bo *robj;
111 /* FIXME: reeimplement */
112 robj = gem_to_radeon_bo(gobj);
113 /* work out where to validate the buffer to */
120 printk(KERN_WARNING "Set domain withou domain !\n");
123 if (domain == RADEON_GEM_DOMAIN_CPU) {
124 /* Asking for cpu access wait for object idle */
125 r = radeon_bo_wait(robj, NULL, false);
127 printk(KERN_ERR "Failed to wait for object !\n");
134 int radeon_gem_init(struct radeon_device *rdev)
136 INIT_LIST_HEAD(&rdev->gem.objects);
140 void radeon_gem_fini(struct radeon_device *rdev)
142 radeon_bo_force_delete(rdev);
149 int radeon_gem_info_ioctl(struct drm_device *dev, void *data,
150 struct drm_file *filp)
152 struct radeon_device *rdev = dev->dev_private;
153 struct drm_radeon_gem_info *args = data;
154 struct ttm_mem_type_manager *man;
157 man = &rdev->mman.bdev.man[TTM_PL_VRAM];
159 args->vram_size = rdev->mc.real_vram_size;
160 args->vram_visible = (u64)man->size << PAGE_SHIFT;
161 if (rdev->stollen_vga_memory)
162 args->vram_visible -= radeon_bo_size(rdev->stollen_vga_memory);
163 args->vram_visible -= radeon_fbdev_total_size(rdev);
164 args->gart_size = rdev->mc.gtt_size - 4096 - RADEON_IB_POOL_SIZE*64*1024;
165 for(i = 0; i < RADEON_NUM_RINGS; ++i)
166 args->gart_size -= rdev->cp[i].ring_size;
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);
204 /* drop reference from allocate - handle holds it now */
205 drm_gem_object_unreference_unlocked(gobj);
209 args->handle = handle;
213 int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data,
214 struct drm_file *filp)
216 /* transition the BO to a domain -
217 * just validate the BO into a certain domain */
218 struct drm_radeon_gem_set_domain *args = data;
219 struct drm_gem_object *gobj;
220 struct radeon_bo *robj;
223 /* for now if someone requests domain CPU -
224 * just make sure the buffer is finished with */
226 /* just do a BO wait for now */
227 gobj = drm_gem_object_lookup(dev, filp, args->handle);
231 robj = gem_to_radeon_bo(gobj);
233 r = radeon_gem_set_domain(gobj, args->read_domains, args->write_domain);
235 drm_gem_object_unreference_unlocked(gobj);
239 int radeon_mode_dumb_mmap(struct drm_file *filp,
240 struct drm_device *dev,
241 uint32_t handle, uint64_t *offset_p)
243 struct drm_gem_object *gobj;
244 struct radeon_bo *robj;
246 gobj = drm_gem_object_lookup(dev, filp, handle);
250 robj = gem_to_radeon_bo(gobj);
251 *offset_p = radeon_bo_mmap_offset(robj);
252 drm_gem_object_unreference_unlocked(gobj);
256 int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data,
257 struct drm_file *filp)
259 struct drm_radeon_gem_mmap *args = data;
261 return radeon_mode_dumb_mmap(filp, dev, args->handle, &args->addr_ptr);
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 = gem_to_radeon_bo(gobj);
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 drm_gem_object_unreference_unlocked(gobj);
295 int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
296 struct drm_file *filp)
298 struct drm_radeon_gem_wait_idle *args = data;
299 struct drm_gem_object *gobj;
300 struct radeon_bo *robj;
303 gobj = drm_gem_object_lookup(dev, filp, args->handle);
307 robj = gem_to_radeon_bo(gobj);
308 r = radeon_bo_wait(robj, NULL, false);
309 /* callback hw specific functions if any */
310 if (robj->rdev->asic->ioctl_wait_idle)
311 robj->rdev->asic->ioctl_wait_idle(robj->rdev, robj);
312 drm_gem_object_unreference_unlocked(gobj);
316 int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data,
317 struct drm_file *filp)
319 struct drm_radeon_gem_set_tiling *args = data;
320 struct drm_gem_object *gobj;
321 struct radeon_bo *robj;
324 DRM_DEBUG("%d \n", args->handle);
325 gobj = drm_gem_object_lookup(dev, filp, args->handle);
328 robj = gem_to_radeon_bo(gobj);
329 r = radeon_bo_set_tiling_flags(robj, args->tiling_flags, args->pitch);
330 drm_gem_object_unreference_unlocked(gobj);
334 int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
335 struct drm_file *filp)
337 struct drm_radeon_gem_get_tiling *args = data;
338 struct drm_gem_object *gobj;
339 struct radeon_bo *rbo;
343 gobj = drm_gem_object_lookup(dev, filp, args->handle);
346 rbo = gem_to_radeon_bo(gobj);
347 r = radeon_bo_reserve(rbo, false);
348 if (unlikely(r != 0))
350 radeon_bo_get_tiling_flags(rbo, &args->tiling_flags, &args->pitch);
351 radeon_bo_unreserve(rbo);
353 drm_gem_object_unreference_unlocked(gobj);
357 int radeon_mode_dumb_create(struct drm_file *file_priv,
358 struct drm_device *dev,
359 struct drm_mode_create_dumb *args)
361 struct radeon_device *rdev = dev->dev_private;
362 struct drm_gem_object *gobj;
366 args->pitch = radeon_align_pitch(rdev, args->width, args->bpp, 0) * ((args->bpp + 1) / 8);
367 args->size = args->pitch * args->height;
368 args->size = ALIGN(args->size, PAGE_SIZE);
370 r = radeon_gem_object_create(rdev, args->size, 0,
371 RADEON_GEM_DOMAIN_VRAM,
372 false, ttm_bo_type_device,
377 r = drm_gem_handle_create(file_priv, gobj, &handle);
378 /* drop reference from allocate - handle holds it now */
379 drm_gem_object_unreference_unlocked(gobj);
383 args->handle = handle;
387 int radeon_mode_dumb_destroy(struct drm_file *file_priv,
388 struct drm_device *dev,
391 return drm_gem_handle_delete(file_priv, handle);