diff options
| author | Thomas Hellstrom <thellstrom@vmware.com> | 2009-08-18 16:51:56 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2009-08-19 16:10:34 +1000 |
| commit | a987fcaa805fcb24ba885c2e29fd4fdb6816f08f (patch) | |
| tree | 561b6dd8e002e2eb1a75132b1edbd303782dc2fb /drivers/gpu/drm/radeon | |
| parent | 5fd9cbad3a4ae82c83c55b9c621d156c326724ef (diff) | |
| download | blackbird-op-linux-a987fcaa805fcb24ba885c2e29fd4fdb6816f08f.tar.gz blackbird-op-linux-a987fcaa805fcb24ba885c2e29fd4fdb6816f08f.zip | |
ttm: Make parts of a struct ttm_bo_device global.
Common resources, like memory accounting and swap lists should be
global and not per device. Introduce a struct ttm_bo_global to
accomodate this, and register it with sysfs. Add a small sysfs interface
to return the number of active buffer objects.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers/gpu/drm/radeon')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_object.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_ttm.c | 33 |
2 files changed, 28 insertions, 6 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_object.h b/drivers/gpu/drm/radeon/radeon_object.h index 473e4775dc5a..10e8af6bb456 100644 --- a/drivers/gpu/drm/radeon/radeon_object.h +++ b/drivers/gpu/drm/radeon/radeon_object.h @@ -37,6 +37,7 @@ * TTM. */ struct radeon_mman { + struct ttm_bo_global_ref bo_global_ref; struct ttm_global_reference mem_global_ref; bool mem_global_referenced; struct ttm_bo_device bdev; diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c index 1227a97f5169..343b6d6b99c6 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -77,9 +77,25 @@ 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_mem_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 +103,7 @@ 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; } @@ -286,9 +303,11 @@ 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 +342,11 @@ 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; @@ -441,7 +462,7 @@ 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); if (r) { DRM_ERROR("failed initializing buffer object driver(%d).\n", r); |
