diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_ttm.c | 103 |
1 files changed, 92 insertions, 11 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c index 15c3531377ed..1381e06d6af3 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -35,11 +35,14 @@ #include <ttm/ttm_module.h> #include <drm/drmP.h> #include <drm/radeon_drm.h> +#include <linux/seq_file.h> #include "radeon_reg.h" #include "radeon.h" #define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT) +static int radeon_ttm_debugfs_init(struct radeon_device *rdev); + static struct radeon_device *radeon_get_rdev(struct ttm_bo_device *bdev) { struct radeon_mman *mman; @@ -77,9 +80,25 @@ static int radeon_ttm_global_init(struct radeon_device *rdev) global_ref->release = &radeon_ttm_mem_global_release; r = ttm_global_item_ref(global_ref); if (r != 0) { - DRM_ERROR("Failed referencing a global TTM memory object.\n"); + DRM_ERROR("Failed setting up TTM memory accounting " + "subsystem.\n"); + return r; + } + + rdev->mman.bo_global_ref.mem_glob = + rdev->mman.mem_global_ref.object; + global_ref = &rdev->mman.bo_global_ref.ref; + global_ref->global_type = TTM_GLOBAL_TTM_BO; + global_ref->size = sizeof(struct ttm_bo_global); + global_ref->init = &ttm_bo_global_init; + global_ref->release = &ttm_bo_global_release; + r = ttm_global_item_ref(global_ref); + if (r != 0) { + DRM_ERROR("Failed setting up TTM BO subsystem.\n"); + ttm_global_item_unref(&rdev->mman.mem_global_ref); return r; } + rdev->mman.mem_global_referenced = true; return 0; } @@ -87,6 +106,7 @@ static int radeon_ttm_global_init(struct radeon_device *rdev) static void radeon_ttm_global_fini(struct radeon_device *rdev) { if (rdev->mman.mem_global_referenced) { + ttm_global_item_unref(&rdev->mman.bo_global_ref.ref); ttm_global_item_unref(&rdev->mman.mem_global_ref); rdev->mman.mem_global_referenced = false; } @@ -275,6 +295,12 @@ static int radeon_move_vram_ram(struct ttm_buffer_object *bo, if (unlikely(r)) { return r; } + + r = ttm_tt_set_placement_caching(bo->ttm, tmp_mem.placement); + if (unlikely(r)) { + goto out_cleanup; + } + r = ttm_tt_bind(bo->ttm, &tmp_mem); if (unlikely(r)) { goto out_cleanup; @@ -286,9 +312,11 @@ static int radeon_move_vram_ram(struct ttm_buffer_object *bo, r = ttm_bo_move_ttm(bo, true, no_wait, new_mem); out_cleanup: if (tmp_mem.mm_node) { - spin_lock(&rdev->mman.bdev.lru_lock); + struct ttm_bo_global *glob = rdev->mman.bdev.glob; + + spin_lock(&glob->lru_lock); drm_mm_put_block(tmp_mem.mm_node); - spin_unlock(&rdev->mman.bdev.lru_lock); + spin_unlock(&glob->lru_lock); return r; } return r; @@ -323,9 +351,11 @@ static int radeon_move_ram_vram(struct ttm_buffer_object *bo, } out_cleanup: if (tmp_mem.mm_node) { - spin_lock(&rdev->mman.bdev.lru_lock); + struct ttm_bo_global *glob = rdev->mman.bdev.glob; + + spin_lock(&glob->lru_lock); drm_mm_put_block(tmp_mem.mm_node); - spin_unlock(&rdev->mman.bdev.lru_lock); + spin_unlock(&glob->lru_lock); return r; } return r; @@ -352,9 +382,8 @@ static int radeon_bo_move(struct ttm_buffer_object *bo, radeon_move_null(bo, new_mem); return 0; } - if (!rdev->cp.ready) { + if (!rdev->cp.ready || rdev->asic->copy == NULL) { /* use memcpy */ - DRM_ERROR("CP is not ready use memcpy.\n"); goto memcpy; } @@ -446,7 +475,7 @@ int radeon_ttm_init(struct radeon_device *rdev) } /* No others user of address space so set it to 0 */ r = ttm_bo_device_init(&rdev->mman.bdev, - rdev->mman.mem_global_ref.object, + rdev->mman.bo_global_ref.ref.object, &radeon_bo_driver, DRM_FILE_PAGE_OFFSET, rdev->need_dma32); if (r) { @@ -471,7 +500,7 @@ int radeon_ttm_init(struct radeon_device *rdev) return r; } DRM_INFO("radeon: %uM of VRAM memory ready\n", - rdev->mc.real_vram_size / (1024 * 1024)); + (unsigned)rdev->mc.real_vram_size / (1024 * 1024)); r = ttm_bo_init_mm(&rdev->mman.bdev, TTM_PL_TT, 0, ((rdev->mc.gtt_size) >> PAGE_SHIFT)); if (r) { @@ -479,10 +508,16 @@ int radeon_ttm_init(struct radeon_device *rdev) return r; } DRM_INFO("radeon: %uM of GTT memory ready.\n", - rdev->mc.gtt_size / (1024 * 1024)); + (unsigned)(rdev->mc.gtt_size / (1024 * 1024))); if (unlikely(rdev->mman.bdev.dev_mapping == NULL)) { rdev->mman.bdev.dev_mapping = rdev->ddev->dev_mapping; } + + r = radeon_ttm_debugfs_init(rdev); + if (r) { + DRM_ERROR("Failed to init debugfs\n"); + return r; + } return 0; } @@ -501,7 +536,7 @@ void radeon_ttm_fini(struct radeon_device *rdev) } static struct vm_operations_struct radeon_ttm_vm_ops; -static struct vm_operations_struct *ttm_vm_ops = NULL; +static const struct vm_operations_struct *ttm_vm_ops = NULL; static int radeon_ttm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { @@ -657,3 +692,49 @@ struct ttm_backend *radeon_ttm_backend_create(struct radeon_device *rdev) gtt->bound = false; return >t->backend; } + +#define RADEON_DEBUGFS_MEM_TYPES 2 + +#if defined(CONFIG_DEBUG_FS) +static int radeon_mm_dump_table(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *)m->private; + struct drm_mm *mm = (struct drm_mm *)node->info_ent->data; + struct drm_device *dev = node->minor->dev; + struct radeon_device *rdev = dev->dev_private; + int ret; + struct ttm_bo_global *glob = rdev->mman.bdev.glob; + + spin_lock(&glob->lru_lock); + ret = drm_mm_dump_table(m, mm); + spin_unlock(&glob->lru_lock); + return ret; +} +#endif + +static int radeon_ttm_debugfs_init(struct radeon_device *rdev) +{ +#if defined(CONFIG_DEBUG_FS) + static struct drm_info_list radeon_mem_types_list[RADEON_DEBUGFS_MEM_TYPES]; + static char radeon_mem_types_names[RADEON_DEBUGFS_MEM_TYPES][32]; + unsigned i; + + for (i = 0; i < RADEON_DEBUGFS_MEM_TYPES; i++) { + if (i == 0) + sprintf(radeon_mem_types_names[i], "radeon_vram_mm"); + else + sprintf(radeon_mem_types_names[i], "radeon_gtt_mm"); + radeon_mem_types_list[i].name = radeon_mem_types_names[i]; + radeon_mem_types_list[i].show = &radeon_mm_dump_table; + radeon_mem_types_list[i].driver_features = 0; + if (i == 0) + radeon_mem_types_list[i].data = &rdev->mman.bdev.man[TTM_PL_VRAM].manager; + else + radeon_mem_types_list[i].data = &rdev->mman.bdev.man[TTM_PL_TT].manager; + + } + return radeon_debugfs_add_files(rdev, radeon_mem_types_list, RADEON_DEBUGFS_MEM_TYPES); + +#endif + return 0; +} |