hc
2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d
kernel/drivers/gpu/drm/radeon/radeon_ttm.c
....@@ -29,28 +29,38 @@
2929 * Thomas Hellstrom <thomas-at-tungstengraphics-dot-com>
3030 * Dave Airlie
3131 */
32
-#include <drm/ttm/ttm_bo_api.h>
33
-#include <drm/ttm/ttm_bo_driver.h>
34
-#include <drm/ttm/ttm_placement.h>
35
-#include <drm/ttm/ttm_module.h>
36
-#include <drm/ttm/ttm_page_alloc.h>
37
-#include <drm/drmP.h>
38
-#include <drm/radeon_drm.h>
32
+
33
+#include <linux/dma-mapping.h>
34
+#include <linux/pagemap.h>
35
+#include <linux/pci.h>
3936 #include <linux/seq_file.h>
4037 #include <linux/slab.h>
41
-#include <linux/swiotlb.h>
4238 #include <linux/swap.h>
43
-#include <linux/pagemap.h>
44
-#include <linux/debugfs.h>
39
+#include <linux/swiotlb.h>
40
+
41
+#include <drm/drm_agpsupport.h>
42
+#include <drm/drm_debugfs.h>
43
+#include <drm/drm_device.h>
44
+#include <drm/drm_file.h>
45
+#include <drm/drm_prime.h>
46
+#include <drm/radeon_drm.h>
47
+#include <drm/ttm/ttm_bo_api.h>
48
+#include <drm/ttm/ttm_bo_driver.h>
49
+#include <drm/ttm/ttm_module.h>
50
+#include <drm/ttm/ttm_page_alloc.h>
51
+#include <drm/ttm/ttm_placement.h>
52
+
4553 #include "radeon_reg.h"
4654 #include "radeon.h"
47
-
48
-#define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
4955
5056 static int radeon_ttm_debugfs_init(struct radeon_device *rdev);
5157 static void radeon_ttm_debugfs_fini(struct radeon_device *rdev);
5258
53
-static struct radeon_device *radeon_get_rdev(struct ttm_bo_device *bdev)
59
+static int radeon_ttm_tt_bind(struct ttm_bo_device *bdev,
60
+ struct ttm_tt *ttm,
61
+ struct ttm_resource *bo_mem);
62
+
63
+struct radeon_device *radeon_get_rdev(struct ttm_bo_device *bdev)
5464 {
5565 struct radeon_mman *mman;
5666 struct radeon_device *rdev;
....@@ -60,119 +70,16 @@
6070 return rdev;
6171 }
6272
63
-
64
-/*
65
- * Global memory.
66
- */
67
-static int radeon_ttm_mem_global_init(struct drm_global_reference *ref)
73
+static int radeon_ttm_init_vram(struct radeon_device *rdev)
6874 {
69
- return ttm_mem_global_init(ref->object);
75
+ return ttm_range_man_init(&rdev->mman.bdev, TTM_PL_VRAM,
76
+ false, rdev->mc.real_vram_size >> PAGE_SHIFT);
7077 }
7178
72
-static void radeon_ttm_mem_global_release(struct drm_global_reference *ref)
79
+static int radeon_ttm_init_gtt(struct radeon_device *rdev)
7380 {
74
- ttm_mem_global_release(ref->object);
75
-}
76
-
77
-static int radeon_ttm_global_init(struct radeon_device *rdev)
78
-{
79
- struct drm_global_reference *global_ref;
80
- int r;
81
-
82
- rdev->mman.mem_global_referenced = false;
83
- global_ref = &rdev->mman.mem_global_ref;
84
- global_ref->global_type = DRM_GLOBAL_TTM_MEM;
85
- global_ref->size = sizeof(struct ttm_mem_global);
86
- global_ref->init = &radeon_ttm_mem_global_init;
87
- global_ref->release = &radeon_ttm_mem_global_release;
88
- r = drm_global_item_ref(global_ref);
89
- if (r != 0) {
90
- DRM_ERROR("Failed setting up TTM memory accounting "
91
- "subsystem.\n");
92
- return r;
93
- }
94
-
95
- rdev->mman.bo_global_ref.mem_glob =
96
- rdev->mman.mem_global_ref.object;
97
- global_ref = &rdev->mman.bo_global_ref.ref;
98
- global_ref->global_type = DRM_GLOBAL_TTM_BO;
99
- global_ref->size = sizeof(struct ttm_bo_global);
100
- global_ref->init = &ttm_bo_global_init;
101
- global_ref->release = &ttm_bo_global_release;
102
- r = drm_global_item_ref(global_ref);
103
- if (r != 0) {
104
- DRM_ERROR("Failed setting up TTM BO subsystem.\n");
105
- drm_global_item_unref(&rdev->mman.mem_global_ref);
106
- return r;
107
- }
108
-
109
- rdev->mman.mem_global_referenced = true;
110
- return 0;
111
-}
112
-
113
-static void radeon_ttm_global_fini(struct radeon_device *rdev)
114
-{
115
- if (rdev->mman.mem_global_referenced) {
116
- drm_global_item_unref(&rdev->mman.bo_global_ref.ref);
117
- drm_global_item_unref(&rdev->mman.mem_global_ref);
118
- rdev->mman.mem_global_referenced = false;
119
- }
120
-}
121
-
122
-static int radeon_invalidate_caches(struct ttm_bo_device *bdev, uint32_t flags)
123
-{
124
- return 0;
125
-}
126
-
127
-static int radeon_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
128
- struct ttm_mem_type_manager *man)
129
-{
130
- struct radeon_device *rdev;
131
-
132
- rdev = radeon_get_rdev(bdev);
133
-
134
- switch (type) {
135
- case TTM_PL_SYSTEM:
136
- /* System memory */
137
- man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;
138
- man->available_caching = TTM_PL_MASK_CACHING;
139
- man->default_caching = TTM_PL_FLAG_CACHED;
140
- break;
141
- case TTM_PL_TT:
142
- man->func = &ttm_bo_manager_func;
143
- man->gpu_offset = rdev->mc.gtt_start;
144
- man->available_caching = TTM_PL_MASK_CACHING;
145
- man->default_caching = TTM_PL_FLAG_CACHED;
146
- man->flags = TTM_MEMTYPE_FLAG_MAPPABLE | TTM_MEMTYPE_FLAG_CMA;
147
-#if IS_ENABLED(CONFIG_AGP)
148
- if (rdev->flags & RADEON_IS_AGP) {
149
- if (!rdev->ddev->agp) {
150
- DRM_ERROR("AGP is not enabled for memory type %u\n",
151
- (unsigned)type);
152
- return -EINVAL;
153
- }
154
- if (!rdev->ddev->agp->cant_use_aperture)
155
- man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;
156
- man->available_caching = TTM_PL_FLAG_UNCACHED |
157
- TTM_PL_FLAG_WC;
158
- man->default_caching = TTM_PL_FLAG_WC;
159
- }
160
-#endif
161
- break;
162
- case TTM_PL_VRAM:
163
- /* "On-card" video ram */
164
- man->func = &ttm_bo_manager_func;
165
- man->gpu_offset = rdev->mc.vram_start;
166
- man->flags = TTM_MEMTYPE_FLAG_FIXED |
167
- TTM_MEMTYPE_FLAG_MAPPABLE;
168
- man->available_caching = TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_WC;
169
- man->default_caching = TTM_PL_FLAG_WC;
170
- break;
171
- default:
172
- DRM_ERROR("Unsupported memory type %u\n", (unsigned)type);
173
- return -EINVAL;
174
- }
175
- return 0;
81
+ return ttm_range_man_init(&rdev->mman.bdev, TTM_PL_TT,
82
+ true, rdev->mc.gtt_size >> PAGE_SHIFT);
17683 }
17784
17885 static void radeon_evict_flags(struct ttm_buffer_object *bo,
....@@ -181,7 +88,8 @@
18188 static const struct ttm_place placements = {
18289 .fpfn = 0,
18390 .lpfn = 0,
184
- .flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM
91
+ .mem_type = TTM_PL_SYSTEM,
92
+ .flags = TTM_PL_MASK_CACHING
18593 };
18694
18795 struct radeon_bo *rbo;
....@@ -212,7 +120,7 @@
212120 RADEON_GEM_DOMAIN_GTT);
213121 rbo->placement.num_busy_placement = 0;
214122 for (i = 0; i < rbo->placement.num_placement; i++) {
215
- if (rbo->placements[i].flags & TTM_PL_FLAG_VRAM) {
123
+ if (rbo->placements[i].mem_type == TTM_PL_VRAM) {
216124 if (rbo->placements[i].fpfn < fpfn)
217125 rbo->placements[i].fpfn = fpfn;
218126 } else {
....@@ -234,27 +142,18 @@
234142 static int radeon_verify_access(struct ttm_buffer_object *bo, struct file *filp)
235143 {
236144 struct radeon_bo *rbo = container_of(bo, struct radeon_bo, tbo);
145
+ struct radeon_device *rdev = radeon_get_rdev(bo->bdev);
237146
238
- if (radeon_ttm_tt_has_userptr(bo->ttm))
147
+ if (radeon_ttm_tt_has_userptr(rdev, bo->ttm))
239148 return -EPERM;
240
- return drm_vma_node_verify_access(&rbo->gem_base.vma_node,
149
+ return drm_vma_node_verify_access(&rbo->tbo.base.vma_node,
241150 filp->private_data);
242
-}
243
-
244
-static void radeon_move_null(struct ttm_buffer_object *bo,
245
- struct ttm_mem_reg *new_mem)
246
-{
247
- struct ttm_mem_reg *old_mem = &bo->mem;
248
-
249
- BUG_ON(old_mem->mm_node != NULL);
250
- *old_mem = *new_mem;
251
- new_mem->mm_node = NULL;
252151 }
253152
254153 static int radeon_move_blit(struct ttm_buffer_object *bo,
255154 bool evict, bool no_wait_gpu,
256
- struct ttm_mem_reg *new_mem,
257
- struct ttm_mem_reg *old_mem)
155
+ struct ttm_resource *new_mem,
156
+ struct ttm_resource *old_mem)
258157 {
259158 struct radeon_device *rdev;
260159 uint64_t old_start, new_start;
....@@ -297,11 +196,11 @@
297196 BUILD_BUG_ON((PAGE_SIZE % RADEON_GPU_PAGE_SIZE) != 0);
298197
299198 num_pages = new_mem->num_pages * (PAGE_SIZE / RADEON_GPU_PAGE_SIZE);
300
- fence = radeon_copy(rdev, old_start, new_start, num_pages, bo->resv);
199
+ fence = radeon_copy(rdev, old_start, new_start, num_pages, bo->base.resv);
301200 if (IS_ERR(fence))
302201 return PTR_ERR(fence);
303202
304
- r = ttm_bo_move_accel_cleanup(bo, &fence->base, evict, new_mem);
203
+ r = ttm_bo_move_accel_cleanup(bo, &fence->base, evict, false, new_mem);
305204 radeon_fence_unref(&fence);
306205 return r;
307206 }
....@@ -309,17 +208,15 @@
309208 static int radeon_move_vram_ram(struct ttm_buffer_object *bo,
310209 bool evict, bool interruptible,
311210 bool no_wait_gpu,
312
- struct ttm_mem_reg *new_mem)
211
+ struct ttm_resource *new_mem)
313212 {
314213 struct ttm_operation_ctx ctx = { interruptible, no_wait_gpu };
315
- struct radeon_device *rdev;
316
- struct ttm_mem_reg *old_mem = &bo->mem;
317
- struct ttm_mem_reg tmp_mem;
214
+ struct ttm_resource *old_mem = &bo->mem;
215
+ struct ttm_resource tmp_mem;
318216 struct ttm_place placements;
319217 struct ttm_placement placement;
320218 int r;
321219
322
- rdev = radeon_get_rdev(bo->bdev);
323220 tmp_mem = *new_mem;
324221 tmp_mem.mm_node = NULL;
325222 placement.num_placement = 1;
....@@ -328,7 +225,8 @@
328225 placement.busy_placement = &placements;
329226 placements.fpfn = 0;
330227 placements.lpfn = 0;
331
- placements.flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT;
228
+ placements.mem_type = TTM_PL_TT;
229
+ placements.flags = TTM_PL_MASK_CACHING;
332230 r = ttm_bo_mem_space(bo, &placement, &tmp_mem, &ctx);
333231 if (unlikely(r)) {
334232 return r;
....@@ -339,7 +237,12 @@
339237 goto out_cleanup;
340238 }
341239
342
- r = ttm_tt_bind(bo->ttm, &tmp_mem, &ctx);
240
+ r = ttm_tt_populate(bo->bdev, bo->ttm, &ctx);
241
+ if (unlikely(r)) {
242
+ goto out_cleanup;
243
+ }
244
+
245
+ r = radeon_ttm_tt_bind(bo->bdev, bo->ttm, &tmp_mem);
343246 if (unlikely(r)) {
344247 goto out_cleanup;
345248 }
....@@ -349,24 +252,22 @@
349252 }
350253 r = ttm_bo_move_ttm(bo, &ctx, new_mem);
351254 out_cleanup:
352
- ttm_bo_mem_put(bo, &tmp_mem);
255
+ ttm_resource_free(bo, &tmp_mem);
353256 return r;
354257 }
355258
356259 static int radeon_move_ram_vram(struct ttm_buffer_object *bo,
357260 bool evict, bool interruptible,
358261 bool no_wait_gpu,
359
- struct ttm_mem_reg *new_mem)
262
+ struct ttm_resource *new_mem)
360263 {
361264 struct ttm_operation_ctx ctx = { interruptible, no_wait_gpu };
362
- struct radeon_device *rdev;
363
- struct ttm_mem_reg *old_mem = &bo->mem;
364
- struct ttm_mem_reg tmp_mem;
265
+ struct ttm_resource *old_mem = &bo->mem;
266
+ struct ttm_resource tmp_mem;
365267 struct ttm_placement placement;
366268 struct ttm_place placements;
367269 int r;
368270
369
- rdev = radeon_get_rdev(bo->bdev);
370271 tmp_mem = *new_mem;
371272 tmp_mem.mm_node = NULL;
372273 placement.num_placement = 1;
....@@ -375,7 +276,8 @@
375276 placement.busy_placement = &placements;
376277 placements.fpfn = 0;
377278 placements.lpfn = 0;
378
- placements.flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT;
279
+ placements.mem_type = TTM_PL_TT;
280
+ placements.flags = TTM_PL_MASK_CACHING;
379281 r = ttm_bo_mem_space(bo, &placement, &tmp_mem, &ctx);
380282 if (unlikely(r)) {
381283 return r;
....@@ -389,17 +291,17 @@
389291 goto out_cleanup;
390292 }
391293 out_cleanup:
392
- ttm_bo_mem_put(bo, &tmp_mem);
294
+ ttm_resource_free(bo, &tmp_mem);
393295 return r;
394296 }
395297
396298 static int radeon_bo_move(struct ttm_buffer_object *bo, bool evict,
397299 struct ttm_operation_ctx *ctx,
398
- struct ttm_mem_reg *new_mem)
300
+ struct ttm_resource *new_mem)
399301 {
400302 struct radeon_device *rdev;
401303 struct radeon_bo *rbo;
402
- struct ttm_mem_reg *old_mem = &bo->mem;
304
+ struct ttm_resource *old_mem = &bo->mem;
403305 int r;
404306
405307 r = ttm_bo_wait(bo, ctx->interruptible, ctx->no_wait_gpu);
....@@ -413,7 +315,7 @@
413315
414316 rdev = radeon_get_rdev(bo->bdev);
415317 if (old_mem->mem_type == TTM_PL_SYSTEM && bo->ttm == NULL) {
416
- radeon_move_null(bo, new_mem);
318
+ ttm_bo_move_null(bo, new_mem);
417319 return 0;
418320 }
419321 if ((old_mem->mem_type == TTM_PL_TT &&
....@@ -421,7 +323,7 @@
421323 (old_mem->mem_type == TTM_PL_SYSTEM &&
422324 new_mem->mem_type == TTM_PL_TT)) {
423325 /* bind is enough */
424
- radeon_move_null(bo, new_mem);
326
+ ttm_bo_move_null(bo, new_mem);
425327 return 0;
426328 }
427329 if (!rdev->ring[radeon_copy_ring_index(rdev)].ready ||
....@@ -456,18 +358,11 @@
456358 return 0;
457359 }
458360
459
-static int radeon_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
361
+static int radeon_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_resource *mem)
460362 {
461
- struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
462363 struct radeon_device *rdev = radeon_get_rdev(bdev);
364
+ size_t bus_size = (size_t)mem->num_pages << PAGE_SHIFT;
463365
464
- mem->bus.addr = NULL;
465
- mem->bus.offset = 0;
466
- mem->bus.size = mem->num_pages << PAGE_SHIFT;
467
- mem->bus.base = 0;
468
- mem->bus.is_iomem = false;
469
- if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE))
470
- return -EINVAL;
471366 switch (mem->mem_type) {
472367 case TTM_PL_SYSTEM:
473368 /* system memory */
....@@ -476,8 +371,8 @@
476371 #if IS_ENABLED(CONFIG_AGP)
477372 if (rdev->flags & RADEON_IS_AGP) {
478373 /* RADEON_IS_AGP is set only if AGP is active */
479
- mem->bus.offset = mem->start << PAGE_SHIFT;
480
- mem->bus.base = rdev->mc.agp_base;
374
+ mem->bus.offset = (mem->start << PAGE_SHIFT) +
375
+ rdev->mc.agp_base;
481376 mem->bus.is_iomem = !rdev->ddev->agp->cant_use_aperture;
482377 }
483378 #endif
....@@ -485,9 +380,9 @@
485380 case TTM_PL_VRAM:
486381 mem->bus.offset = mem->start << PAGE_SHIFT;
487382 /* check if it's visible */
488
- if ((mem->bus.offset + mem->bus.size) > rdev->mc.visible_vram_size)
383
+ if ((mem->bus.offset + bus_size) > rdev->mc.visible_vram_size)
489384 return -EINVAL;
490
- mem->bus.base = rdev->mc.aper_base;
385
+ mem->bus.offset += rdev->mc.aper_base;
491386 mem->bus.is_iomem = true;
492387 #ifdef __alpha__
493388 /*
....@@ -496,12 +391,10 @@
496391 */
497392 if (mem->placement & TTM_PL_FLAG_WC)
498393 mem->bus.addr =
499
- ioremap_wc(mem->bus.base + mem->bus.offset,
500
- mem->bus.size);
394
+ ioremap_wc(mem->bus.offset, bus_size);
501395 else
502396 mem->bus.addr =
503
- ioremap_nocache(mem->bus.base + mem->bus.offset,
504
- mem->bus.size);
397
+ ioremap(mem->bus.offset, bus_size);
505398 if (!mem->bus.addr)
506399 return -ENOMEM;
507400
....@@ -511,7 +404,7 @@
511404 * It then can be used to build PTEs for VRAM
512405 * access, as done in ttm_bo_vm_fault().
513406 */
514
- mem->bus.base = (mem->bus.base & 0x0ffffffffUL) +
407
+ mem->bus.offset = (mem->bus.offset & 0x0ffffffffUL) +
515408 rdev->ddev->hose->dense_mem_base;
516409 #endif
517410 break;
....@@ -521,29 +414,25 @@
521414 return 0;
522415 }
523416
524
-static void radeon_ttm_io_mem_free(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
525
-{
526
-}
527
-
528417 /*
529418 * TTM backend functions.
530419 */
531420 struct radeon_ttm_tt {
532421 struct ttm_dma_tt ttm;
533
- struct radeon_device *rdev;
534422 u64 offset;
535423
536424 uint64_t userptr;
537425 struct mm_struct *usermm;
538426 uint32_t userflags;
427
+ bool bound;
539428 };
540429
541430 /* prepare the sg table with the user pages */
542
-static int radeon_ttm_tt_pin_userptr(struct ttm_tt *ttm)
431
+static int radeon_ttm_tt_pin_userptr(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
543432 {
544
- struct radeon_device *rdev = radeon_get_rdev(ttm->bdev);
433
+ struct radeon_device *rdev = radeon_get_rdev(bdev);
545434 struct radeon_ttm_tt *gtt = (void *)ttm;
546
- unsigned pinned = 0, nents;
435
+ unsigned pinned = 0;
547436 int r;
548437
549438 int write = !(gtt->userflags & RADEON_GEM_USERPTR_READONLY);
....@@ -583,9 +472,8 @@
583472 if (r)
584473 goto release_sg;
585474
586
- r = -ENOMEM;
587
- nents = dma_map_sg(rdev->dev, ttm->sg->sgl, ttm->sg->nents, direction);
588
- if (nents != ttm->sg->nents)
475
+ r = dma_map_sgtable(rdev->dev, ttm->sg, direction, 0);
476
+ if (r)
589477 goto release_sg;
590478
591479 drm_prime_sg_to_page_addr_arrays(ttm->sg, ttm->pages,
....@@ -601,9 +489,9 @@
601489 return r;
602490 }
603491
604
-static void radeon_ttm_tt_unpin_userptr(struct ttm_tt *ttm)
492
+static void radeon_ttm_tt_unpin_userptr(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
605493 {
606
- struct radeon_device *rdev = radeon_get_rdev(ttm->bdev);
494
+ struct radeon_device *rdev = radeon_get_rdev(bdev);
607495 struct radeon_ttm_tt *gtt = (void *)ttm;
608496 struct sg_page_iter sg_iter;
609497
....@@ -616,9 +504,9 @@
616504 return;
617505
618506 /* free the sg table and pages again */
619
- dma_unmap_sg(rdev->dev, ttm->sg->sgl, ttm->sg->nents, direction);
507
+ dma_unmap_sgtable(rdev->dev, ttm->sg, direction, 0);
620508
621
- for_each_sg_page(ttm->sg->sgl, &sg_iter, ttm->sg->nents, 0) {
509
+ for_each_sgtable_page(ttm->sg, &sg_iter, 0) {
622510 struct page *page = sg_page_iter_page(&sg_iter);
623511 if (!(gtt->userflags & RADEON_GEM_USERPTR_READONLY))
624512 set_page_dirty(page);
....@@ -630,16 +518,28 @@
630518 sg_free_table(ttm->sg);
631519 }
632520
633
-static int radeon_ttm_backend_bind(struct ttm_tt *ttm,
634
- struct ttm_mem_reg *bo_mem)
521
+static bool radeon_ttm_backend_is_bound(struct ttm_tt *ttm)
635522 {
636523 struct radeon_ttm_tt *gtt = (void*)ttm;
524
+
525
+ return (gtt->bound);
526
+}
527
+
528
+static int radeon_ttm_backend_bind(struct ttm_bo_device *bdev,
529
+ struct ttm_tt *ttm,
530
+ struct ttm_resource *bo_mem)
531
+{
532
+ struct radeon_ttm_tt *gtt = (void*)ttm;
533
+ struct radeon_device *rdev = radeon_get_rdev(bdev);
637534 uint32_t flags = RADEON_GART_PAGE_VALID | RADEON_GART_PAGE_READ |
638535 RADEON_GART_PAGE_WRITE;
639536 int r;
640537
538
+ if (gtt->bound)
539
+ return 0;
540
+
641541 if (gtt->userptr) {
642
- radeon_ttm_tt_pin_userptr(ttm);
542
+ radeon_ttm_tt_pin_userptr(bdev, ttm);
643543 flags &= ~RADEON_GART_PAGE_WRITE;
644544 }
645545
....@@ -650,41 +550,43 @@
650550 }
651551 if (ttm->caching_state == tt_cached)
652552 flags |= RADEON_GART_PAGE_SNOOP;
653
- r = radeon_gart_bind(gtt->rdev, gtt->offset, ttm->num_pages,
553
+ r = radeon_gart_bind(rdev, gtt->offset, ttm->num_pages,
654554 ttm->pages, gtt->ttm.dma_address, flags);
655555 if (r) {
656556 DRM_ERROR("failed to bind %lu pages at 0x%08X\n",
657557 ttm->num_pages, (unsigned)gtt->offset);
658558 return r;
659559 }
560
+ gtt->bound = true;
660561 return 0;
661562 }
662563
663
-static int radeon_ttm_backend_unbind(struct ttm_tt *ttm)
564
+static void radeon_ttm_backend_unbind(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
664565 {
665566 struct radeon_ttm_tt *gtt = (void *)ttm;
666
-
667
- radeon_gart_unbind(gtt->rdev, gtt->offset, ttm->num_pages);
567
+ struct radeon_device *rdev = radeon_get_rdev(bdev);
668568
669569 if (gtt->userptr)
670
- radeon_ttm_tt_unpin_userptr(ttm);
570
+ radeon_ttm_tt_unpin_userptr(bdev, ttm);
671571
672
- return 0;
572
+ if (!gtt->bound)
573
+ return;
574
+
575
+ radeon_gart_unbind(rdev, gtt->offset, ttm->num_pages);
576
+
577
+ gtt->bound = false;
673578 }
674579
675
-static void radeon_ttm_backend_destroy(struct ttm_tt *ttm)
580
+static void radeon_ttm_backend_destroy(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
676581 {
677582 struct radeon_ttm_tt *gtt = (void *)ttm;
583
+
584
+ radeon_ttm_backend_unbind(bdev, ttm);
585
+ ttm_tt_destroy_common(bdev, ttm);
678586
679587 ttm_dma_tt_fini(&gtt->ttm);
680588 kfree(gtt);
681589 }
682
-
683
-static struct ttm_backend_func radeon_backend_func = {
684
- .bind = &radeon_ttm_backend_bind,
685
- .unbind = &radeon_ttm_backend_unbind,
686
- .destroy = &radeon_ttm_backend_destroy,
687
-};
688590
689591 static struct ttm_tt *radeon_ttm_tt_create(struct ttm_buffer_object *bo,
690592 uint32_t page_flags)
....@@ -704,8 +606,6 @@
704606 if (gtt == NULL) {
705607 return NULL;
706608 }
707
- gtt->ttm.ttm.func = &radeon_backend_func;
708
- gtt->rdev = rdev;
709609 if (ttm_dma_tt_init(&gtt->ttm, bo, page_flags)) {
710610 kfree(gtt);
711611 return NULL;
....@@ -713,18 +613,25 @@
713613 return &gtt->ttm.ttm;
714614 }
715615
716
-static struct radeon_ttm_tt *radeon_ttm_tt_to_gtt(struct ttm_tt *ttm)
616
+static struct radeon_ttm_tt *radeon_ttm_tt_to_gtt(struct radeon_device *rdev,
617
+ struct ttm_tt *ttm)
717618 {
718
- if (!ttm || ttm->func != &radeon_backend_func)
619
+#if IS_ENABLED(CONFIG_AGP)
620
+ if (rdev->flags & RADEON_IS_AGP)
719621 return NULL;
720
- return (struct radeon_ttm_tt *)ttm;
622
+#endif
623
+
624
+ if (!ttm)
625
+ return NULL;
626
+ return container_of(ttm, struct radeon_ttm_tt, ttm.ttm);
721627 }
722628
723
-static int radeon_ttm_tt_populate(struct ttm_tt *ttm,
724
- struct ttm_operation_ctx *ctx)
629
+static int radeon_ttm_tt_populate(struct ttm_bo_device *bdev,
630
+ struct ttm_tt *ttm,
631
+ struct ttm_operation_ctx *ctx)
725632 {
726
- struct radeon_ttm_tt *gtt = radeon_ttm_tt_to_gtt(ttm);
727
- struct radeon_device *rdev;
633
+ struct radeon_device *rdev = radeon_get_rdev(bdev);
634
+ struct radeon_ttm_tt *gtt = radeon_ttm_tt_to_gtt(rdev, ttm);
728635 bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG);
729636
730637 if (gtt && gtt->userptr) {
....@@ -733,21 +640,20 @@
733640 return -ENOMEM;
734641
735642 ttm->page_flags |= TTM_PAGE_FLAG_SG;
736
- ttm->state = tt_unbound;
643
+ ttm_tt_set_populated(ttm);
737644 return 0;
738645 }
739646
740647 if (slave && ttm->sg) {
741648 drm_prime_sg_to_page_addr_arrays(ttm->sg, ttm->pages,
742649 gtt->ttm.dma_address, ttm->num_pages);
743
- ttm->state = tt_unbound;
650
+ ttm_tt_set_populated(ttm);
744651 return 0;
745652 }
746653
747
- rdev = radeon_get_rdev(ttm->bdev);
748654 #if IS_ENABLED(CONFIG_AGP)
749655 if (rdev->flags & RADEON_IS_AGP) {
750
- return ttm_agp_tt_populate(ttm, ctx);
656
+ return ttm_pool_populate(ttm, ctx);
751657 }
752658 #endif
753659
....@@ -760,10 +666,10 @@
760666 return ttm_populate_and_map_pages(rdev->dev, &gtt->ttm, ctx);
761667 }
762668
763
-static void radeon_ttm_tt_unpopulate(struct ttm_tt *ttm)
669
+static void radeon_ttm_tt_unpopulate(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
764670 {
765
- struct radeon_device *rdev;
766
- struct radeon_ttm_tt *gtt = radeon_ttm_tt_to_gtt(ttm);
671
+ struct radeon_device *rdev = radeon_get_rdev(bdev);
672
+ struct radeon_ttm_tt *gtt = radeon_ttm_tt_to_gtt(rdev, ttm);
767673 bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG);
768674
769675 if (gtt && gtt->userptr) {
....@@ -775,10 +681,9 @@
775681 if (slave)
776682 return;
777683
778
- rdev = radeon_get_rdev(ttm->bdev);
779684 #if IS_ENABLED(CONFIG_AGP)
780685 if (rdev->flags & RADEON_IS_AGP) {
781
- ttm_agp_tt_unpopulate(ttm);
686
+ ttm_pool_unpopulate(ttm);
782687 return;
783688 }
784689 #endif
....@@ -793,10 +698,11 @@
793698 ttm_unmap_and_unpopulate_pages(rdev->dev, &gtt->ttm);
794699 }
795700
796
-int radeon_ttm_tt_set_userptr(struct ttm_tt *ttm, uint64_t addr,
701
+int radeon_ttm_tt_set_userptr(struct radeon_device *rdev,
702
+ struct ttm_tt *ttm, uint64_t addr,
797703 uint32_t flags)
798704 {
799
- struct radeon_ttm_tt *gtt = radeon_ttm_tt_to_gtt(ttm);
705
+ struct radeon_ttm_tt *gtt = radeon_ttm_tt_to_gtt(rdev, ttm);
800706
801707 if (gtt == NULL)
802708 return -EINVAL;
....@@ -807,9 +713,69 @@
807713 return 0;
808714 }
809715
810
-bool radeon_ttm_tt_has_userptr(struct ttm_tt *ttm)
716
+bool radeon_ttm_tt_is_bound(struct ttm_bo_device *bdev,
717
+ struct ttm_tt *ttm)
811718 {
812
- struct radeon_ttm_tt *gtt = radeon_ttm_tt_to_gtt(ttm);
719
+#if IS_ENABLED(CONFIG_AGP)
720
+ struct radeon_device *rdev = radeon_get_rdev(bdev);
721
+ if (rdev->flags & RADEON_IS_AGP)
722
+ return ttm_agp_is_bound(ttm);
723
+#endif
724
+ return radeon_ttm_backend_is_bound(ttm);
725
+}
726
+
727
+static int radeon_ttm_tt_bind(struct ttm_bo_device *bdev,
728
+ struct ttm_tt *ttm,
729
+ struct ttm_resource *bo_mem)
730
+{
731
+#if IS_ENABLED(CONFIG_AGP)
732
+ struct radeon_device *rdev = radeon_get_rdev(bdev);
733
+#endif
734
+
735
+ if (!bo_mem)
736
+ return -EINVAL;
737
+#if IS_ENABLED(CONFIG_AGP)
738
+ if (rdev->flags & RADEON_IS_AGP)
739
+ return ttm_agp_bind(ttm, bo_mem);
740
+#endif
741
+
742
+ return radeon_ttm_backend_bind(bdev, ttm, bo_mem);
743
+}
744
+
745
+static void radeon_ttm_tt_unbind(struct ttm_bo_device *bdev,
746
+ struct ttm_tt *ttm)
747
+{
748
+#if IS_ENABLED(CONFIG_AGP)
749
+ struct radeon_device *rdev = radeon_get_rdev(bdev);
750
+
751
+ if (rdev->flags & RADEON_IS_AGP) {
752
+ ttm_agp_unbind(ttm);
753
+ return;
754
+ }
755
+#endif
756
+ radeon_ttm_backend_unbind(bdev, ttm);
757
+}
758
+
759
+static void radeon_ttm_tt_destroy(struct ttm_bo_device *bdev,
760
+ struct ttm_tt *ttm)
761
+{
762
+#if IS_ENABLED(CONFIG_AGP)
763
+ struct radeon_device *rdev = radeon_get_rdev(bdev);
764
+
765
+ if (rdev->flags & RADEON_IS_AGP) {
766
+ ttm_agp_unbind(ttm);
767
+ ttm_tt_destroy_common(bdev, ttm);
768
+ ttm_agp_destroy(ttm);
769
+ return;
770
+ }
771
+#endif
772
+ radeon_ttm_backend_destroy(bdev, ttm);
773
+}
774
+
775
+bool radeon_ttm_tt_has_userptr(struct radeon_device *rdev,
776
+ struct ttm_tt *ttm)
777
+{
778
+ struct radeon_ttm_tt *gtt = radeon_ttm_tt_to_gtt(rdev, ttm);
813779
814780 if (gtt == NULL)
815781 return false;
....@@ -817,9 +783,10 @@
817783 return !!gtt->userptr;
818784 }
819785
820
-bool radeon_ttm_tt_is_readonly(struct ttm_tt *ttm)
786
+bool radeon_ttm_tt_is_readonly(struct radeon_device *rdev,
787
+ struct ttm_tt *ttm)
821788 {
822
- struct radeon_ttm_tt *gtt = radeon_ttm_tt_to_gtt(ttm);
789
+ struct radeon_ttm_tt *gtt = radeon_ttm_tt_to_gtt(rdev, ttm);
823790
824791 if (gtt == NULL)
825792 return false;
....@@ -831,8 +798,9 @@
831798 .ttm_tt_create = &radeon_ttm_tt_create,
832799 .ttm_tt_populate = &radeon_ttm_tt_populate,
833800 .ttm_tt_unpopulate = &radeon_ttm_tt_unpopulate,
834
- .invalidate_caches = &radeon_invalidate_caches,
835
- .init_mem_type = &radeon_init_mem_type,
801
+ .ttm_tt_bind = &radeon_ttm_tt_bind,
802
+ .ttm_tt_unbind = &radeon_ttm_tt_unbind,
803
+ .ttm_tt_destroy = &radeon_ttm_tt_destroy,
836804 .eviction_valuable = ttm_bo_eviction_valuable,
837805 .evict_flags = &radeon_evict_flags,
838806 .move = &radeon_bo_move,
....@@ -840,31 +808,25 @@
840808 .move_notify = &radeon_bo_move_notify,
841809 .fault_reserve_notify = &radeon_bo_fault_reserve_notify,
842810 .io_mem_reserve = &radeon_ttm_io_mem_reserve,
843
- .io_mem_free = &radeon_ttm_io_mem_free,
844811 };
845812
846813 int radeon_ttm_init(struct radeon_device *rdev)
847814 {
848815 int r;
849816
850
- r = radeon_ttm_global_init(rdev);
851
- if (r) {
852
- return r;
853
- }
854817 /* No others user of address space so set it to 0 */
855818 r = ttm_bo_device_init(&rdev->mman.bdev,
856
- rdev->mman.bo_global_ref.ref.object,
857819 &radeon_bo_driver,
858820 rdev->ddev->anon_inode->i_mapping,
859
- DRM_FILE_PAGE_OFFSET,
860
- rdev->need_dma32);
821
+ rdev->ddev->vma_offset_manager,
822
+ dma_addressing_limited(&rdev->pdev->dev));
861823 if (r) {
862824 DRM_ERROR("failed initializing buffer object driver(%d).\n", r);
863825 return r;
864826 }
865827 rdev->mman.initialized = true;
866
- r = ttm_bo_init_mm(&rdev->mman.bdev, TTM_PL_VRAM,
867
- rdev->mc.real_vram_size >> PAGE_SHIFT);
828
+
829
+ r = radeon_ttm_init_vram(rdev);
868830 if (r) {
869831 DRM_ERROR("Failed initializing VRAM heap.\n");
870832 return r;
....@@ -889,8 +851,8 @@
889851 }
890852 DRM_INFO("radeon: %uM of VRAM memory ready\n",
891853 (unsigned) (rdev->mc.real_vram_size / (1024 * 1024)));
892
- r = ttm_bo_init_mm(&rdev->mman.bdev, TTM_PL_TT,
893
- rdev->mc.gtt_size >> PAGE_SHIFT);
854
+
855
+ r = radeon_ttm_init_gtt(rdev);
894856 if (r) {
895857 DRM_ERROR("Failed initializing GTT heap.\n");
896858 return r;
....@@ -921,11 +883,10 @@
921883 }
922884 radeon_bo_unref(&rdev->stolen_vga_memory);
923885 }
924
- ttm_bo_clean_mm(&rdev->mman.bdev, TTM_PL_VRAM);
925
- ttm_bo_clean_mm(&rdev->mman.bdev, TTM_PL_TT);
886
+ ttm_range_man_fini(&rdev->mman.bdev, TTM_PL_VRAM);
887
+ ttm_range_man_fini(&rdev->mman.bdev, TTM_PL_TT);
926888 ttm_bo_device_release(&rdev->mman.bdev);
927889 radeon_gart_fini(rdev);
928
- radeon_ttm_global_fini(rdev);
929890 rdev->mman.initialized = false;
930891 DRM_INFO("radeon: ttm finalized\n");
931892 }
....@@ -934,18 +895,15 @@
934895 * isn't running */
935896 void radeon_ttm_set_active_vram_size(struct radeon_device *rdev, u64 size)
936897 {
937
- struct ttm_mem_type_manager *man;
898
+ struct ttm_resource_manager *man;
938899
939900 if (!rdev->mman.initialized)
940901 return;
941902
942
- man = &rdev->mman.bdev.man[TTM_PL_VRAM];
903
+ man = ttm_manager_type(&rdev->mman.bdev, TTM_PL_VRAM);
943904 /* this just adjusts TTM size idea, which sets lpfn to the correct value */
944905 man->size = size >> PAGE_SHIFT;
945906 }
946
-
947
-static struct vm_operations_struct radeon_ttm_vm_ops;
948
-static const struct vm_operations_struct *ttm_vm_ops = NULL;
949907
950908 static vm_fault_t radeon_ttm_fault(struct vm_fault *vmf)
951909 {
....@@ -954,40 +912,36 @@
954912 vm_fault_t ret;
955913
956914 bo = (struct ttm_buffer_object *)vmf->vma->vm_private_data;
957
- if (bo == NULL) {
915
+ if (bo == NULL)
958916 return VM_FAULT_NOPAGE;
959
- }
917
+
960918 rdev = radeon_get_rdev(bo->bdev);
961919 down_read(&rdev->pm.mclk_lock);
962
- ret = ttm_vm_ops->fault(vmf);
920
+ ret = ttm_bo_vm_fault(vmf);
963921 up_read(&rdev->pm.mclk_lock);
964922 return ret;
965923 }
966924
925
+static struct vm_operations_struct radeon_ttm_vm_ops = {
926
+ .fault = radeon_ttm_fault,
927
+ .open = ttm_bo_vm_open,
928
+ .close = ttm_bo_vm_close,
929
+ .access = ttm_bo_vm_access
930
+};
931
+
967932 int radeon_mmap(struct file *filp, struct vm_area_struct *vma)
968933 {
969
- struct drm_file *file_priv;
970
- struct radeon_device *rdev;
971934 int r;
935
+ struct drm_file *file_priv = filp->private_data;
936
+ struct radeon_device *rdev = file_priv->minor->dev->dev_private;
972937
973
- if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET)) {
938
+ if (rdev == NULL)
974939 return -EINVAL;
975
- }
976940
977
- file_priv = filp->private_data;
978
- rdev = file_priv->minor->dev->dev_private;
979
- if (rdev == NULL) {
980
- return -EINVAL;
981
- }
982941 r = ttm_bo_mmap(filp, vma, &rdev->mman.bdev);
983
- if (unlikely(r != 0)) {
942
+ if (unlikely(r != 0))
984943 return r;
985
- }
986
- if (unlikely(ttm_vm_ops == NULL)) {
987
- ttm_vm_ops = vma->vm_ops;
988
- radeon_ttm_vm_ops = *ttm_vm_ops;
989
- radeon_ttm_vm_ops.fault = &radeon_ttm_fault;
990
- }
944
+
991945 vma->vm_ops = &radeon_ttm_vm_ops;
992946 return 0;
993947 }
....@@ -1000,7 +954,7 @@
1000954 unsigned ttm_pl = *(int*)node->info_ent->data;
1001955 struct drm_device *dev = node->minor->dev;
1002956 struct radeon_device *rdev = dev->dev_private;
1003
- struct ttm_mem_type_manager *man = &rdev->mman.bdev.man[ttm_pl];
957
+ struct ttm_resource_manager *man = ttm_manager_type(&rdev->mman.bdev, ttm_pl);
1004958 struct drm_printer p = drm_seq_file_printer(m);
1005959
1006960 man->func->debug(man, &p);
....@@ -1134,19 +1088,14 @@
11341088 unsigned count;
11351089
11361090 struct drm_minor *minor = rdev->ddev->primary;
1137
- struct dentry *ent, *root = minor->debugfs_root;
1091
+ struct dentry *root = minor->debugfs_root;
11381092
1139
- ent = debugfs_create_file("radeon_vram", S_IFREG | S_IRUGO, root,
1140
- rdev, &radeon_ttm_vram_fops);
1141
- if (IS_ERR(ent))
1142
- return PTR_ERR(ent);
1143
- rdev->mman.vram = ent;
1093
+ rdev->mman.vram = debugfs_create_file("radeon_vram", S_IFREG | S_IRUGO,
1094
+ root, rdev,
1095
+ &radeon_ttm_vram_fops);
11441096
1145
- ent = debugfs_create_file("radeon_gtt", S_IFREG | S_IRUGO, root,
1146
- rdev, &radeon_ttm_gtt_fops);
1147
- if (IS_ERR(ent))
1148
- return PTR_ERR(ent);
1149
- rdev->mman.gtt = ent;
1097
+ rdev->mman.gtt = debugfs_create_file("radeon_gtt", S_IFREG | S_IRUGO,
1098
+ root, rdev, &radeon_ttm_gtt_fops);
11501099
11511100 count = ARRAY_SIZE(radeon_ttm_debugfs_list);
11521101