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
);
205 drm_gem_object_unreference_unlocked(gobj
);
208 drm_gem_object_handle_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
);