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_object *robj = gobj->driver_private;
43 gobj->driver_private = NULL;
45 radeon_object_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,
53 struct drm_gem_object **obj)
55 struct drm_gem_object *gobj;
56 struct radeon_object *robj;
60 gobj = drm_gem_object_alloc(rdev->ddev, size);
64 /* At least align on page size */
65 if (alignment < PAGE_SIZE) {
66 alignment = PAGE_SIZE;
68 r = radeon_object_create(rdev, gobj, size, kernel, initial_domain,
69 interruptible, &robj);
71 DRM_ERROR("Failed to allocate GEM object (%d, %d, %u)\n",
72 size, initial_domain, alignment);
73 mutex_lock(&rdev->ddev->struct_mutex);
74 drm_gem_object_unreference(gobj);
75 mutex_unlock(&rdev->ddev->struct_mutex);
78 gobj->driver_private = robj;
83 int radeon_gem_object_pin(struct drm_gem_object *obj, uint32_t pin_domain,
86 struct radeon_object *robj = obj->driver_private;
90 case RADEON_GEM_DOMAIN_VRAM:
91 flags = TTM_PL_FLAG_VRAM;
93 case RADEON_GEM_DOMAIN_GTT:
94 flags = TTM_PL_FLAG_TT;
97 flags = TTM_PL_FLAG_SYSTEM;
100 return radeon_object_pin(robj, flags, gpu_addr);
103 void radeon_gem_object_unpin(struct drm_gem_object *obj)
105 struct radeon_object *robj = obj->driver_private;
106 radeon_object_unpin(robj);
109 int radeon_gem_set_domain(struct drm_gem_object *gobj,
110 uint32_t rdomain, uint32_t wdomain)
112 struct radeon_object *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_object_wait(robj);
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_object_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_object_size(rdev->stollen_vga_memory);
164 if (rdev->fbdev_robj)
165 args->vram_visible -= radeon_object_size(rdev->fbdev_robj);
166 args->gart_size = rdev->mc.gtt_size - rdev->cp.ring_size - 4096 -
167 RADEON_IB_POOL_SIZE*64*1024;
171 int radeon_gem_pread_ioctl(struct drm_device *dev, void *data,
172 struct drm_file *filp)
174 /* TODO: implement */
175 DRM_ERROR("unimplemented %s\n", __func__);
179 int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data,
180 struct drm_file *filp)
182 /* TODO: implement */
183 DRM_ERROR("unimplemented %s\n", __func__);
187 int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
188 struct drm_file *filp)
190 struct radeon_device *rdev = dev->dev_private;
191 struct drm_radeon_gem_create *args = data;
192 struct drm_gem_object *gobj;
196 /* create a gem object to contain this object in */
197 args->size = roundup(args->size, PAGE_SIZE);
198 r = radeon_gem_object_create(rdev, args->size, args->alignment,
199 args->initial_domain, false,
204 r = drm_gem_handle_create(filp, gobj, &handle);
206 mutex_lock(&dev->struct_mutex);
207 drm_gem_object_unreference(gobj);
208 mutex_unlock(&dev->struct_mutex);
211 mutex_lock(&dev->struct_mutex);
212 drm_gem_object_handle_unreference(gobj);
213 mutex_unlock(&dev->struct_mutex);
214 args->handle = handle;
218 int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data,
219 struct drm_file *filp)
221 /* transition the BO to a domain -
222 * just validate the BO into a certain domain */
223 struct drm_radeon_gem_set_domain *args = data;
224 struct drm_gem_object *gobj;
225 struct radeon_object *robj;
228 /* for now if someone requests domain CPU -
229 * just make sure the buffer is finished with */
231 /* just do a BO wait for now */
232 gobj = drm_gem_object_lookup(dev, filp, args->handle);
236 robj = gobj->driver_private;
238 r = radeon_gem_set_domain(gobj, args->read_domains, args->write_domain);
240 mutex_lock(&dev->struct_mutex);
241 drm_gem_object_unreference(gobj);
242 mutex_unlock(&dev->struct_mutex);
246 int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data,
247 struct drm_file *filp)
249 struct drm_radeon_gem_mmap *args = data;
250 struct drm_gem_object *gobj;
251 struct radeon_object *robj;
254 gobj = drm_gem_object_lookup(dev, filp, args->handle);
258 robj = gobj->driver_private;
259 r = radeon_object_mmap(robj, &args->addr_ptr);
260 mutex_lock(&dev->struct_mutex);
261 drm_gem_object_unreference(gobj);
262 mutex_unlock(&dev->struct_mutex);
266 int radeon_gem_busy_ioctl(struct drm_device *dev, void *data,
267 struct drm_file *filp)
269 struct drm_radeon_gem_busy *args = data;
270 struct drm_gem_object *gobj;
271 struct radeon_object *robj;
273 uint32_t cur_placement;
275 gobj = drm_gem_object_lookup(dev, filp, args->handle);
279 robj = gobj->driver_private;
280 r = radeon_object_busy_domain(robj, &cur_placement);
281 switch (cur_placement) {
283 args->domain = RADEON_GEM_DOMAIN_VRAM;
286 args->domain = RADEON_GEM_DOMAIN_GTT;
289 args->domain = RADEON_GEM_DOMAIN_CPU;
293 mutex_lock(&dev->struct_mutex);
294 drm_gem_object_unreference(gobj);
295 mutex_unlock(&dev->struct_mutex);
299 int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
300 struct drm_file *filp)
302 struct drm_radeon_gem_wait_idle *args = data;
303 struct drm_gem_object *gobj;
304 struct radeon_object *robj;
307 gobj = drm_gem_object_lookup(dev, filp, args->handle);
311 robj = gobj->driver_private;
312 r = radeon_object_wait(robj);
313 mutex_lock(&dev->struct_mutex);
314 drm_gem_object_unreference(gobj);
315 mutex_unlock(&dev->struct_mutex);
319 int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data,
320 struct drm_file *filp)
322 struct drm_radeon_gem_set_tiling *args = data;
323 struct drm_gem_object *gobj;
324 struct radeon_object *robj;
327 DRM_DEBUG("%d \n", args->handle);
328 gobj = drm_gem_object_lookup(dev, filp, args->handle);
331 robj = gobj->driver_private;
332 radeon_object_set_tiling_flags(robj, args->tiling_flags, args->pitch);
333 mutex_lock(&dev->struct_mutex);
334 drm_gem_object_unreference(gobj);
335 mutex_unlock(&dev->struct_mutex);
339 int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
340 struct drm_file *filp)
342 struct drm_radeon_gem_get_tiling *args = data;
343 struct drm_gem_object *gobj;
344 struct radeon_object *robj;
348 gobj = drm_gem_object_lookup(dev, filp, args->handle);
351 robj = gobj->driver_private;
352 radeon_object_get_tiling_flags(robj, &args->tiling_flags,
354 mutex_lock(&dev->struct_mutex);
355 drm_gem_object_unreference(gobj);
356 mutex_unlock(&dev->struct_mutex);