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);
48 drm_gem_object_release(gobj);
52 int radeon_gem_object_create(struct radeon_device *rdev, int size,
53 int alignment, int initial_domain,
54 bool discardable, bool kernel,
55 struct drm_gem_object **obj)
57 struct drm_gem_object *gobj;
58 struct radeon_bo *robj;
62 gobj = drm_gem_object_alloc(rdev->ddev, size);
66 /* At least align on page size */
67 if (alignment < PAGE_SIZE) {
68 alignment = PAGE_SIZE;
70 r = radeon_bo_create(rdev, gobj, size, kernel, initial_domain, &robj);
72 if (r != -ERESTARTSYS)
73 DRM_ERROR("Failed to allocate GEM object (%d, %d, %u, %d)\n",
74 size, initial_domain, alignment, r);
75 drm_gem_object_unreference_unlocked(gobj);
78 gobj->driver_private = robj;
83 int radeon_gem_object_pin(struct drm_gem_object *obj, uint32_t pin_domain,
86 struct radeon_bo *robj = obj->driver_private;
89 r = radeon_bo_reserve(robj, false);
92 r = radeon_bo_pin(robj, pin_domain, gpu_addr);
93 radeon_bo_unreserve(robj);
97 void radeon_gem_object_unpin(struct drm_gem_object *obj)
99 struct radeon_bo *robj = obj->driver_private;
102 r = radeon_bo_reserve(robj, false);
103 if (likely(r == 0)) {
104 radeon_bo_unpin(robj);
105 radeon_bo_unreserve(robj);
109 int radeon_gem_set_domain(struct drm_gem_object *gobj,
110 uint32_t rdomain, uint32_t wdomain)
112 struct radeon_bo *robj;
116 /* FIXME: reeimplement */
117 robj = gobj->driver_private;
118 /* work out where to validate the buffer to */
125 printk(KERN_WARNING "Set domain withou domain !\n");
128 if (domain == RADEON_GEM_DOMAIN_CPU) {
129 /* Asking for cpu access wait for object idle */
130 r = radeon_bo_wait(robj, NULL, false);
132 printk(KERN_ERR "Failed to wait for object !\n");
139 int radeon_gem_init(struct radeon_device *rdev)
141 INIT_LIST_HEAD(&rdev->gem.objects);
145 void radeon_gem_fini(struct radeon_device *rdev)
147 radeon_bo_force_delete(rdev);
154 int radeon_gem_info_ioctl(struct drm_device *dev, void *data,
155 struct drm_file *filp)
157 struct radeon_device *rdev = dev->dev_private;
158 struct drm_radeon_gem_info *args = data;
160 args->vram_size = rdev->mc.real_vram_size;
161 args->vram_visible = rdev->mc.real_vram_size;
162 if (rdev->stollen_vga_memory)
163 args->vram_visible -= radeon_bo_size(rdev->stollen_vga_memory);
164 args->vram_visible -= radeon_fbdev_total_size(rdev);
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);
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 = gobj->driver_private;
233 r = radeon_gem_set_domain(gobj, args->read_domains, args->write_domain);
235 drm_gem_object_unreference_unlocked(gobj);
239 int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data,
240 struct drm_file *filp)
242 struct drm_radeon_gem_mmap *args = data;
243 struct drm_gem_object *gobj;
244 struct radeon_bo *robj;
246 gobj = drm_gem_object_lookup(dev, filp, args->handle);
250 robj = gobj->driver_private;
251 args->addr_ptr = radeon_bo_mmap_offset(robj);
252 drm_gem_object_unreference_unlocked(gobj);
256 int radeon_gem_busy_ioctl(struct drm_device *dev, void *data,
257 struct drm_file *filp)
259 struct drm_radeon_gem_busy *args = data;
260 struct drm_gem_object *gobj;
261 struct radeon_bo *robj;
263 uint32_t cur_placement = 0;
265 gobj = drm_gem_object_lookup(dev, filp, args->handle);
269 robj = gobj->driver_private;
270 r = radeon_bo_wait(robj, &cur_placement, true);
271 switch (cur_placement) {
273 args->domain = RADEON_GEM_DOMAIN_VRAM;
276 args->domain = RADEON_GEM_DOMAIN_GTT;
279 args->domain = RADEON_GEM_DOMAIN_CPU;
283 drm_gem_object_unreference_unlocked(gobj);
287 int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
288 struct drm_file *filp)
290 struct drm_radeon_gem_wait_idle *args = data;
291 struct drm_gem_object *gobj;
292 struct radeon_bo *robj;
295 gobj = drm_gem_object_lookup(dev, filp, args->handle);
299 robj = gobj->driver_private;
300 r = radeon_bo_wait(robj, NULL, false);
301 /* callback hw specific functions if any */
302 if (robj->rdev->asic->ioctl_wait_idle)
303 robj->rdev->asic->ioctl_wait_idle(robj->rdev, robj);
304 drm_gem_object_unreference_unlocked(gobj);
308 int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data,
309 struct drm_file *filp)
311 struct drm_radeon_gem_set_tiling *args = data;
312 struct drm_gem_object *gobj;
313 struct radeon_bo *robj;
316 DRM_DEBUG("%d \n", args->handle);
317 gobj = drm_gem_object_lookup(dev, filp, args->handle);
320 robj = gobj->driver_private;
321 r = radeon_bo_set_tiling_flags(robj, args->tiling_flags, args->pitch);
322 drm_gem_object_unreference_unlocked(gobj);
326 int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
327 struct drm_file *filp)
329 struct drm_radeon_gem_get_tiling *args = data;
330 struct drm_gem_object *gobj;
331 struct radeon_bo *rbo;
335 gobj = drm_gem_object_lookup(dev, filp, args->handle);
338 rbo = gobj->driver_private;
339 r = radeon_bo_reserve(rbo, false);
340 if (unlikely(r != 0))
342 radeon_bo_get_tiling_flags(rbo, &args->tiling_flags, &args->pitch);
343 radeon_bo_unreserve(rbo);
345 drm_gem_object_unreference_unlocked(gobj);