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 mutex_lock(&rdev
->ddev
->struct_mutex
);
73 drm_gem_object_unreference(gobj
);
74 mutex_unlock(&rdev
->ddev
->struct_mutex
);
77 gobj
->driver_private
= robj
;
82 int radeon_gem_object_pin(struct drm_gem_object
*obj
, uint32_t pin_domain
,
85 struct radeon_bo
*robj
= obj
->driver_private
;
88 r
= radeon_bo_reserve(robj
, false);
91 r
= radeon_bo_pin(robj
, pin_domain
, gpu_addr
);
92 radeon_bo_unreserve(robj
);
96 void radeon_gem_object_unpin(struct drm_gem_object
*obj
)
98 struct radeon_bo
*robj
= obj
->driver_private
;
101 r
= radeon_bo_reserve(robj
, false);
102 if (likely(r
== 0)) {
103 radeon_bo_unpin(robj
);
104 radeon_bo_unreserve(robj
);
108 int radeon_gem_set_domain(struct drm_gem_object
*gobj
,
109 uint32_t rdomain
, uint32_t wdomain
)
111 struct radeon_bo
*robj
;
115 /* FIXME: reeimplement */
116 robj
= gobj
->driver_private
;
117 /* work out where to validate the buffer to */
124 printk(KERN_WARNING
"Set domain withou domain !\n");
127 if (domain
== RADEON_GEM_DOMAIN_CPU
) {
128 /* Asking for cpu access wait for object idle */
129 r
= radeon_bo_wait(robj
, NULL
, false);
131 printk(KERN_ERR
"Failed to wait for object !\n");
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 /* callback hw specific functions if any */
312 if (robj
->rdev
->asic
->ioctl_wait_idle
)
313 robj
->rdev
->asic
->ioctl_wait_idle(robj
->rdev
, robj
);
314 mutex_lock(&dev
->struct_mutex
);
315 drm_gem_object_unreference(gobj
);
316 mutex_unlock(&dev
->struct_mutex
);
320 int radeon_gem_set_tiling_ioctl(struct drm_device
*dev
, void *data
,
321 struct drm_file
*filp
)
323 struct drm_radeon_gem_set_tiling
*args
= data
;
324 struct drm_gem_object
*gobj
;
325 struct radeon_bo
*robj
;
328 DRM_DEBUG("%d \n", args
->handle
);
329 gobj
= drm_gem_object_lookup(dev
, filp
, args
->handle
);
332 robj
= gobj
->driver_private
;
333 r
= radeon_bo_set_tiling_flags(robj
, args
->tiling_flags
, args
->pitch
);
334 mutex_lock(&dev
->struct_mutex
);
335 drm_gem_object_unreference(gobj
);
336 mutex_unlock(&dev
->struct_mutex
);
340 int radeon_gem_get_tiling_ioctl(struct drm_device
*dev
, void *data
,
341 struct drm_file
*filp
)
343 struct drm_radeon_gem_get_tiling
*args
= data
;
344 struct drm_gem_object
*gobj
;
345 struct radeon_bo
*rbo
;
349 gobj
= drm_gem_object_lookup(dev
, filp
, args
->handle
);
352 rbo
= gobj
->driver_private
;
353 r
= radeon_bo_reserve(rbo
, false);
354 if (unlikely(r
!= 0))
356 radeon_bo_get_tiling_flags(rbo
, &args
->tiling_flags
, &args
->pitch
);
357 radeon_bo_unreserve(rbo
);
359 mutex_lock(&dev
->struct_mutex
);
360 drm_gem_object_unreference(gobj
);
361 mutex_unlock(&dev
->struct_mutex
);