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
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
32 #include <dev/drm2/drmP.h>
33 #include <dev/drm2/radeon/radeon_drm.h>
35 #include "radeon_gem.h"
37 int radeon_gem_object_init(struct drm_gem_object *obj)
39 panic("radeon_gem_object_init() must not be called");
44 void radeon_gem_object_free(struct drm_gem_object *gobj)
46 struct radeon_bo *robj = gem_to_radeon_bo(gobj);
50 if (robj->gem_base.import_attach)
51 drm_prime_gem_destroy(&robj->gem_base, robj->tbo.sg);
52 #endif /* DUMBBELL_WIP */
53 radeon_bo_unref(&robj);
57 int radeon_gem_object_create(struct radeon_device *rdev, int size,
58 int alignment, int initial_domain,
59 bool discardable, bool kernel,
60 struct drm_gem_object **obj)
62 struct radeon_bo *robj;
63 unsigned long max_size;
67 /* At least align on page size */
68 if (alignment < PAGE_SIZE) {
69 alignment = PAGE_SIZE;
72 /* maximun bo size is the minimun btw visible vram and gtt size */
73 max_size = min(rdev->mc.visible_vram_size, rdev->mc.gtt_size);
74 if (size > max_size) {
75 DRM_ERROR("%s:%d alloc size %dMb bigger than %ldMb limit\n",
76 __func__, __LINE__, size >> 20, max_size >> 20);
81 r = radeon_bo_create(rdev, size, alignment, kernel, initial_domain, NULL, &robj);
84 if (initial_domain == RADEON_GEM_DOMAIN_VRAM) {
85 initial_domain |= RADEON_GEM_DOMAIN_GTT;
88 DRM_ERROR("Failed to allocate GEM object (%d, %d, %u, %d)\n",
89 size, initial_domain, alignment, r);
93 *obj = &robj->gem_base;
95 sx_xlock(&rdev->gem.mutex);
96 list_add_tail(&robj->list, &rdev->gem.objects);
97 sx_xunlock(&rdev->gem.mutex);
102 static int radeon_gem_set_domain(struct drm_gem_object *gobj,
103 uint32_t rdomain, uint32_t wdomain)
105 struct radeon_bo *robj;
109 /* FIXME: reeimplement */
110 robj = gem_to_radeon_bo(gobj);
111 /* work out where to validate the buffer to */
118 DRM_ERROR("Set domain without domain !\n");
121 if (domain == RADEON_GEM_DOMAIN_CPU) {
122 /* Asking for cpu access wait for object idle */
123 r = radeon_bo_wait(robj, NULL, false);
125 DRM_ERROR("Failed to wait for object !\n");
132 int radeon_gem_init(struct radeon_device *rdev)
134 INIT_LIST_HEAD(&rdev->gem.objects);
138 void radeon_gem_fini(struct radeon_device *rdev)
140 radeon_bo_force_delete(rdev);
144 * Call from drm_gem_handle_create which appear in both new and open ioctl
147 int radeon_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_priv)
149 struct radeon_bo *rbo = gem_to_radeon_bo(obj);
150 struct radeon_device *rdev = rbo->rdev;
151 struct radeon_fpriv *fpriv = file_priv->driver_priv;
152 struct radeon_vm *vm = &fpriv->vm;
153 struct radeon_bo_va *bo_va;
156 if (rdev->family < CHIP_CAYMAN) {
160 r = radeon_bo_reserve(rbo, false);
165 bo_va = radeon_vm_bo_find(vm, rbo);
167 bo_va = radeon_vm_bo_add(rdev, vm, rbo);
171 radeon_bo_unreserve(rbo);
176 void radeon_gem_object_close(struct drm_gem_object *obj,
177 struct drm_file *file_priv)
179 struct radeon_bo *rbo = gem_to_radeon_bo(obj);
180 struct radeon_device *rdev = rbo->rdev;
181 struct radeon_fpriv *fpriv = file_priv->driver_priv;
182 struct radeon_vm *vm = &fpriv->vm;
183 struct radeon_bo_va *bo_va;
186 if (rdev->family < CHIP_CAYMAN) {
190 r = radeon_bo_reserve(rbo, true);
192 dev_err(rdev->dev, "leaking bo va because "
193 "we fail to reserve bo (%d)\n", r);
196 bo_va = radeon_vm_bo_find(vm, rbo);
198 if (--bo_va->ref_count == 0) {
199 radeon_vm_bo_rmv(rdev, bo_va);
202 radeon_bo_unreserve(rbo);
205 static int radeon_gem_handle_lockup(struct radeon_device *rdev, int r)
208 r = radeon_gpu_reset(rdev);
218 int radeon_gem_info_ioctl(struct drm_device *dev, void *data,
219 struct drm_file *filp)
221 struct radeon_device *rdev = dev->dev_private;
222 struct drm_radeon_gem_info *args = data;
223 struct ttm_mem_type_manager *man;
226 man = &rdev->mman.bdev.man[TTM_PL_VRAM];
228 args->vram_size = rdev->mc.real_vram_size;
229 args->vram_visible = (u64)man->size << PAGE_SHIFT;
230 if (rdev->stollen_vga_memory)
231 args->vram_visible -= radeon_bo_size(rdev->stollen_vga_memory);
232 args->vram_visible -= radeon_fbdev_total_size(rdev);
233 args->gart_size = rdev->mc.gtt_size - 4096 - RADEON_IB_POOL_SIZE*64*1024;
234 for(i = 0; i < RADEON_NUM_RINGS; ++i)
235 args->gart_size -= rdev->ring[i].ring_size;
239 int radeon_gem_pread_ioctl(struct drm_device *dev, void *data,
240 struct drm_file *filp)
242 /* TODO: implement */
243 DRM_ERROR("unimplemented %s\n", __func__);
247 int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data,
248 struct drm_file *filp)
250 /* TODO: implement */
251 DRM_ERROR("unimplemented %s\n", __func__);
255 int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
256 struct drm_file *filp)
258 struct radeon_device *rdev = dev->dev_private;
259 struct drm_radeon_gem_create *args = data;
260 struct drm_gem_object *gobj;
264 sx_slock(&rdev->exclusive_lock);
265 /* create a gem object to contain this object in */
266 args->size = roundup(args->size, PAGE_SIZE);
267 r = radeon_gem_object_create(rdev, args->size, args->alignment,
268 args->initial_domain, false,
271 sx_sunlock(&rdev->exclusive_lock);
272 r = radeon_gem_handle_lockup(rdev, r);
276 r = drm_gem_handle_create(filp, gobj, &handle);
277 /* drop reference from allocate - handle holds it now */
278 drm_gem_object_unreference_unlocked(gobj);
280 sx_sunlock(&rdev->exclusive_lock);
281 r = radeon_gem_handle_lockup(rdev, r);
284 args->handle = handle;
285 sx_sunlock(&rdev->exclusive_lock);
289 int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data,
290 struct drm_file *filp)
292 /* transition the BO to a domain -
293 * just validate the BO into a certain domain */
294 struct radeon_device *rdev = dev->dev_private;
295 struct drm_radeon_gem_set_domain *args = data;
296 struct drm_gem_object *gobj;
297 struct radeon_bo *robj;
300 /* for now if someone requests domain CPU -
301 * just make sure the buffer is finished with */
302 sx_slock(&rdev->exclusive_lock);
304 /* just do a BO wait for now */
305 gobj = drm_gem_object_lookup(dev, filp, args->handle);
307 sx_sunlock(&rdev->exclusive_lock);
310 robj = gem_to_radeon_bo(gobj);
312 r = radeon_gem_set_domain(gobj, args->read_domains, args->write_domain);
314 drm_gem_object_unreference_unlocked(gobj);
315 sx_sunlock(&rdev->exclusive_lock);
316 r = radeon_gem_handle_lockup(robj->rdev, r);
320 int radeon_mode_dumb_mmap(struct drm_file *filp,
321 struct drm_device *dev,
322 uint32_t handle, uint64_t *offset_p)
324 struct drm_gem_object *gobj;
325 struct radeon_bo *robj;
327 gobj = drm_gem_object_lookup(dev, filp, handle);
331 robj = gem_to_radeon_bo(gobj);
332 *offset_p = radeon_bo_mmap_offset(robj);
333 drm_gem_object_unreference_unlocked(gobj);
337 int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data,
338 struct drm_file *filp)
340 struct drm_radeon_gem_mmap *args = data;
342 return radeon_mode_dumb_mmap(filp, dev, args->handle, &args->addr_ptr);
345 int radeon_gem_busy_ioctl(struct drm_device *dev, void *data,
346 struct drm_file *filp)
348 struct radeon_device *rdev = dev->dev_private;
349 struct drm_radeon_gem_busy *args = data;
350 struct drm_gem_object *gobj;
351 struct radeon_bo *robj;
353 uint32_t cur_placement = 0;
355 gobj = drm_gem_object_lookup(dev, filp, args->handle);
359 robj = gem_to_radeon_bo(gobj);
360 r = radeon_bo_wait(robj, &cur_placement, true);
361 switch (cur_placement) {
363 args->domain = RADEON_GEM_DOMAIN_VRAM;
366 args->domain = RADEON_GEM_DOMAIN_GTT;
369 args->domain = RADEON_GEM_DOMAIN_CPU;
373 drm_gem_object_unreference_unlocked(gobj);
374 r = radeon_gem_handle_lockup(rdev, r);
378 int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
379 struct drm_file *filp)
381 struct radeon_device *rdev = dev->dev_private;
382 struct drm_radeon_gem_wait_idle *args = data;
383 struct drm_gem_object *gobj;
384 struct radeon_bo *robj;
387 gobj = drm_gem_object_lookup(dev, filp, args->handle);
391 robj = gem_to_radeon_bo(gobj);
392 r = radeon_bo_wait(robj, NULL, false);
393 /* callback hw specific functions if any */
394 if (rdev->asic->ioctl_wait_idle)
395 robj->rdev->asic->ioctl_wait_idle(rdev, robj);
396 drm_gem_object_unreference_unlocked(gobj);
397 r = radeon_gem_handle_lockup(rdev, r);
401 int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data,
402 struct drm_file *filp)
404 struct drm_radeon_gem_set_tiling *args = data;
405 struct drm_gem_object *gobj;
406 struct radeon_bo *robj;
409 DRM_DEBUG("%d \n", args->handle);
410 gobj = drm_gem_object_lookup(dev, filp, args->handle);
413 robj = gem_to_radeon_bo(gobj);
414 r = radeon_bo_set_tiling_flags(robj, args->tiling_flags, args->pitch);
415 drm_gem_object_unreference_unlocked(gobj);
419 int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
420 struct drm_file *filp)
422 struct drm_radeon_gem_get_tiling *args = data;
423 struct drm_gem_object *gobj;
424 struct radeon_bo *rbo;
428 gobj = drm_gem_object_lookup(dev, filp, args->handle);
431 rbo = gem_to_radeon_bo(gobj);
432 r = radeon_bo_reserve(rbo, false);
433 if (unlikely(r != 0))
435 radeon_bo_get_tiling_flags(rbo, &args->tiling_flags, &args->pitch);
436 radeon_bo_unreserve(rbo);
438 drm_gem_object_unreference_unlocked(gobj);
442 int radeon_gem_va_ioctl(struct drm_device *dev, void *data,
443 struct drm_file *filp)
445 struct drm_radeon_gem_va *args = data;
446 struct drm_gem_object *gobj;
447 struct radeon_device *rdev = dev->dev_private;
448 struct radeon_fpriv *fpriv = filp->driver_priv;
449 struct radeon_bo *rbo;
450 struct radeon_bo_va *bo_va;
454 if (!rdev->vm_manager.enabled) {
455 args->operation = RADEON_VA_RESULT_ERROR;
460 * We don't support vm_id yet, to be sure we don't have have broken
461 * userspace, reject anyone trying to use non 0 value thus moving
462 * forward we can use those fields without breaking existant userspace
465 args->operation = RADEON_VA_RESULT_ERROR;
469 if (args->offset < RADEON_VA_RESERVED_SIZE) {
471 "offset 0x%lX is in reserved area 0x%X\n",
472 (unsigned long)args->offset,
473 RADEON_VA_RESERVED_SIZE);
474 args->operation = RADEON_VA_RESULT_ERROR;
478 /* don't remove, we need to enforce userspace to set the snooped flag
479 * otherwise we will endup with broken userspace and we won't be able
480 * to enable this feature without adding new interface
482 invalid_flags = RADEON_VM_PAGE_VALID | RADEON_VM_PAGE_SYSTEM;
483 if ((args->flags & invalid_flags)) {
484 dev_err(dev->device, "invalid flags 0x%08X vs 0x%08X\n",
485 args->flags, invalid_flags);
486 args->operation = RADEON_VA_RESULT_ERROR;
489 if (!(args->flags & RADEON_VM_PAGE_SNOOPED)) {
490 dev_err(dev->device, "only supported snooped mapping for now\n");
491 args->operation = RADEON_VA_RESULT_ERROR;
495 switch (args->operation) {
497 case RADEON_VA_UNMAP:
500 dev_err(dev->device, "unsupported operation %d\n",
502 args->operation = RADEON_VA_RESULT_ERROR;
506 gobj = drm_gem_object_lookup(dev, filp, args->handle);
508 args->operation = RADEON_VA_RESULT_ERROR;
511 rbo = gem_to_radeon_bo(gobj);
512 r = radeon_bo_reserve(rbo, false);
514 args->operation = RADEON_VA_RESULT_ERROR;
515 drm_gem_object_unreference_unlocked(gobj);
518 bo_va = radeon_vm_bo_find(&fpriv->vm, rbo);
520 args->operation = RADEON_VA_RESULT_ERROR;
521 drm_gem_object_unreference_unlocked(gobj);
525 switch (args->operation) {
527 if (bo_va->soffset) {
528 args->operation = RADEON_VA_RESULT_VA_EXIST;
529 args->offset = bo_va->soffset;
532 r = radeon_vm_bo_set_addr(rdev, bo_va, args->offset, args->flags);
534 case RADEON_VA_UNMAP:
535 r = radeon_vm_bo_set_addr(rdev, bo_va, 0, 0);
540 args->operation = RADEON_VA_RESULT_OK;
542 args->operation = RADEON_VA_RESULT_ERROR;
545 radeon_bo_unreserve(rbo);
546 drm_gem_object_unreference_unlocked(gobj);
550 int radeon_mode_dumb_create(struct drm_file *file_priv,
551 struct drm_device *dev,
552 struct drm_mode_create_dumb *args)
554 struct radeon_device *rdev = dev->dev_private;
555 struct drm_gem_object *gobj;
559 args->pitch = radeon_align_pitch(rdev, args->width, args->bpp, 0) * ((args->bpp + 1) / 8);
560 args->size = args->pitch * args->height;
561 args->size = roundup2(args->size, PAGE_SIZE);
563 r = radeon_gem_object_create(rdev, args->size, 0,
564 RADEON_GEM_DOMAIN_VRAM,
565 false, ttm_bo_type_device,
571 r = drm_gem_handle_create(file_priv, gobj, &handle);
572 /* drop reference from allocate - handle holds it now */
573 drm_gem_object_unreference_unlocked(gobj);
577 args->handle = handle;
581 int radeon_mode_dumb_destroy(struct drm_file *file_priv,
582 struct drm_device *dev,
585 return drm_gem_handle_delete(file_priv, handle);