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 if (r != -ERESTARTSYS)
70 DRM_ERROR("Failed to allocate GEM object (%d, %d, %u, %d)\n",
71 size, initial_domain, alignment, r);
72 drm_gem_object_unreference_unlocked(gobj);
75 gobj->driver_private = robj;
80 int radeon_gem_object_pin(struct drm_gem_object *obj, uint32_t pin_domain,
83 struct radeon_bo *robj = obj->driver_private;
86 r = radeon_bo_reserve(robj, false);
89 r = radeon_bo_pin(robj, pin_domain, gpu_addr);
90 radeon_bo_unreserve(robj);
94 void radeon_gem_object_unpin(struct drm_gem_object *obj)
96 struct radeon_bo *robj = obj->driver_private;
99 r = radeon_bo_reserve(robj, false);
100 if (likely(r == 0)) {
101 radeon_bo_unpin(robj);
102 radeon_bo_unreserve(robj);
106 int radeon_gem_set_domain(struct drm_gem_object *gobj,
107 uint32_t rdomain, uint32_t wdomain)
109 struct radeon_bo *robj;
113 /* FIXME: reeimplement */
114 robj = gobj->driver_private;
115 /* work out where to validate the buffer to */
122 printk(KERN_WARNING "Set domain withou domain !\n");
125 if (domain == RADEON_GEM_DOMAIN_CPU) {
126 /* Asking for cpu access wait for object idle */
127 r = radeon_bo_wait(robj, NULL, false);
129 printk(KERN_ERR "Failed to wait for object !\n");
136 int radeon_gem_init(struct radeon_device *rdev)
138 INIT_LIST_HEAD(&rdev->gem.objects);
142 void radeon_gem_fini(struct radeon_device *rdev)
144 radeon_bo_force_delete(rdev);
151 int radeon_gem_info_ioctl(struct drm_device *dev, void *data,
152 struct drm_file *filp)
154 struct radeon_device *rdev = dev->dev_private;
155 struct drm_radeon_gem_info *args = data;
157 args->vram_size = rdev->mc.real_vram_size;
158 args->vram_visible = rdev->mc.real_vram_size;
159 if (rdev->stollen_vga_memory)
160 args->vram_visible -= radeon_bo_size(rdev->stollen_vga_memory);
162 args->vram_visible -= radeon_bo_size(rdev->fbdev_rbo);
163 args->gart_size = rdev->mc.gtt_size - rdev->cp.ring_size - 4096 -
164 RADEON_IB_POOL_SIZE*64*1024;
168 int radeon_gem_pread_ioctl(struct drm_device *dev, void *data,
169 struct drm_file *filp)
171 /* TODO: implement */
172 DRM_ERROR("unimplemented %s\n", __func__);
176 int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data,
177 struct drm_file *filp)
179 /* TODO: implement */
180 DRM_ERROR("unimplemented %s\n", __func__);
184 int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
185 struct drm_file *filp)
187 struct radeon_device *rdev = dev->dev_private;
188 struct drm_radeon_gem_create *args = data;
189 struct drm_gem_object *gobj;
193 /* create a gem object to contain this object in */
194 args->size = roundup(args->size, PAGE_SIZE);
195 r = radeon_gem_object_create(rdev, args->size, args->alignment,
196 args->initial_domain, false,
201 r = drm_gem_handle_create(filp, gobj, &handle);
203 drm_gem_object_unreference_unlocked(gobj);
206 drm_gem_object_handle_unreference_unlocked(gobj);
207 args->handle = handle;
211 int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data,
212 struct drm_file *filp)
214 /* transition the BO to a domain -
215 * just validate the BO into a certain domain */
216 struct drm_radeon_gem_set_domain *args = data;
217 struct drm_gem_object *gobj;
218 struct radeon_bo *robj;
221 /* for now if someone requests domain CPU -
222 * just make sure the buffer is finished with */
224 /* just do a BO wait for now */
225 gobj = drm_gem_object_lookup(dev, filp, args->handle);
229 robj = gobj->driver_private;
231 r = radeon_gem_set_domain(gobj, args->read_domains, args->write_domain);
233 drm_gem_object_unreference_unlocked(gobj);
237 int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data,
238 struct drm_file *filp)
240 struct drm_radeon_gem_mmap *args = data;
241 struct drm_gem_object *gobj;
242 struct radeon_bo *robj;
244 gobj = drm_gem_object_lookup(dev, filp, args->handle);
248 robj = gobj->driver_private;
249 args->addr_ptr = radeon_bo_mmap_offset(robj);
250 drm_gem_object_unreference_unlocked(gobj);
254 int radeon_gem_busy_ioctl(struct drm_device *dev, void *data,
255 struct drm_file *filp)
257 struct drm_radeon_gem_busy *args = data;
258 struct drm_gem_object *gobj;
259 struct radeon_bo *robj;
261 uint32_t cur_placement = 0;
263 gobj = drm_gem_object_lookup(dev, filp, args->handle);
267 robj = gobj->driver_private;
268 r = radeon_bo_wait(robj, &cur_placement, true);
269 switch (cur_placement) {
271 args->domain = RADEON_GEM_DOMAIN_VRAM;
274 args->domain = RADEON_GEM_DOMAIN_GTT;
277 args->domain = RADEON_GEM_DOMAIN_CPU;
281 drm_gem_object_unreference_unlocked(gobj);
285 int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
286 struct drm_file *filp)
288 struct drm_radeon_gem_wait_idle *args = data;
289 struct drm_gem_object *gobj;
290 struct radeon_bo *robj;
293 gobj = drm_gem_object_lookup(dev, filp, args->handle);
297 robj = gobj->driver_private;
298 r = radeon_bo_wait(robj, NULL, false);
299 /* callback hw specific functions if any */
300 if (robj->rdev->asic->ioctl_wait_idle)
301 robj->rdev->asic->ioctl_wait_idle(robj->rdev, robj);
302 drm_gem_object_unreference_unlocked(gobj);
306 int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data,
307 struct drm_file *filp)
309 struct drm_radeon_gem_set_tiling *args = data;
310 struct drm_gem_object *gobj;
311 struct radeon_bo *robj;
314 DRM_DEBUG("%d \n", args->handle);
315 gobj = drm_gem_object_lookup(dev, filp, args->handle);
318 robj = gobj->driver_private;
319 r = radeon_bo_set_tiling_flags(robj, args->tiling_flags, args->pitch);
320 drm_gem_object_unreference_unlocked(gobj);
324 int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
325 struct drm_file *filp)
327 struct drm_radeon_gem_get_tiling *args = data;
328 struct drm_gem_object *gobj;
329 struct radeon_bo *rbo;
333 gobj = drm_gem_object_lookup(dev, filp, args->handle);
336 rbo = gobj->driver_private;
337 r = radeon_bo_reserve(rbo, false);
338 if (unlikely(r != 0))
340 radeon_bo_get_tiling_flags(rbo, &args->tiling_flags, &args->pitch);
341 radeon_bo_unreserve(rbo);
343 drm_gem_object_unreference_unlocked(gobj);