diff options
Diffstat (limited to 'drivers/gpu/drm/ttm')
-rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo.c | 6 | ||||
-rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo_util.c | 9 | ||||
-rw-r--r-- | drivers/gpu/drm/ttm/ttm_object.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/ttm/ttm_tt.c | 35 |
4 files changed, 33 insertions, 19 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 1a3e909b7bba..c7320ce4567d 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -1020,6 +1020,12 @@ static int ttm_bo_mem_compat(struct ttm_placement *placement, struct ttm_mem_reg *mem) { int i; + struct drm_mm_node *node = mem->mm_node; + + if (node && placement->lpfn != 0 && + (node->start < placement->fpfn || + node->start + node->size > placement->lpfn)) + return -1; for (i = 0; i < placement->num_placement; i++) { if ((placement->placement[i] & mem->placement & diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c index 2ecf7d0c64f6..5ca37a58a98c 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_util.c +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c @@ -53,7 +53,6 @@ int ttm_bo_move_ttm(struct ttm_buffer_object *bo, { struct ttm_tt *ttm = bo->ttm; struct ttm_mem_reg *old_mem = &bo->mem; - uint32_t save_flags = old_mem->placement; int ret; if (old_mem->mem_type != TTM_PL_SYSTEM) { @@ -62,7 +61,6 @@ int ttm_bo_move_ttm(struct ttm_buffer_object *bo, ttm_flag_masked(&old_mem->placement, TTM_PL_FLAG_SYSTEM, TTM_PL_MASK_MEM); old_mem->mem_type = TTM_PL_SYSTEM; - save_flags = old_mem->placement; } ret = ttm_tt_set_placement_caching(ttm, new_mem->placement); @@ -77,7 +75,7 @@ int ttm_bo_move_ttm(struct ttm_buffer_object *bo, *old_mem = *new_mem; new_mem->mm_node = NULL; - ttm_flag_masked(&save_flags, new_mem->placement, TTM_PL_MASK_MEMTYPE); + return 0; } EXPORT_SYMBOL(ttm_bo_move_ttm); @@ -219,7 +217,6 @@ int ttm_bo_move_memcpy(struct ttm_buffer_object *bo, void *old_iomap; void *new_iomap; int ret; - uint32_t save_flags = old_mem->placement; unsigned long i; unsigned long page; unsigned long add = 0; @@ -270,7 +267,6 @@ out2: *old_mem = *new_mem; new_mem->mm_node = NULL; - ttm_flag_masked(&save_flags, new_mem->placement, TTM_PL_MASK_MEMTYPE); if ((man->flags & TTM_MEMTYPE_FLAG_FIXED) && (ttm != NULL)) { ttm_tt_unbind(ttm); @@ -537,7 +533,6 @@ int ttm_bo_move_accel_cleanup(struct ttm_buffer_object *bo, struct ttm_mem_type_manager *man = &bdev->man[new_mem->mem_type]; struct ttm_mem_reg *old_mem = &bo->mem; int ret; - uint32_t save_flags = old_mem->placement; struct ttm_buffer_object *ghost_obj; void *tmp_obj = NULL; @@ -598,7 +593,7 @@ int ttm_bo_move_accel_cleanup(struct ttm_buffer_object *bo, *old_mem = *new_mem; new_mem->mm_node = NULL; - ttm_flag_masked(&save_flags, new_mem->placement, TTM_PL_MASK_MEMTYPE); + return 0; } EXPORT_SYMBOL(ttm_bo_move_accel_cleanup); diff --git a/drivers/gpu/drm/ttm/ttm_object.c b/drivers/gpu/drm/ttm/ttm_object.c index 1099abac824b..75e9d6f86ba4 100644 --- a/drivers/gpu/drm/ttm/ttm_object.c +++ b/drivers/gpu/drm/ttm/ttm_object.c @@ -109,8 +109,8 @@ struct ttm_ref_object { struct drm_hash_item hash; struct list_head head; struct kref kref; - struct ttm_base_object *obj; enum ttm_ref_type ref_type; + struct ttm_base_object *obj; struct ttm_object_file *tfile; }; diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c index 9c2b1cc5dba5..3d47a2c12322 100644 --- a/drivers/gpu/drm/ttm/ttm_tt.c +++ b/drivers/gpu/drm/ttm/ttm_tt.c @@ -196,23 +196,34 @@ EXPORT_SYMBOL(ttm_tt_populate); #ifdef CONFIG_X86 static inline int ttm_tt_set_page_caching(struct page *p, - enum ttm_caching_state c_state) + enum ttm_caching_state c_old, + enum ttm_caching_state c_new) { + int ret = 0; + if (PageHighMem(p)) return 0; - switch (c_state) { - case tt_cached: - return set_pages_wb(p, 1); - case tt_wc: - return set_memory_wc((unsigned long) page_address(p), 1); - default: - return set_pages_uc(p, 1); + if (c_old != tt_cached) { + /* p isn't in the default caching state, set it to + * writeback first to free its current memtype. */ + + ret = set_pages_wb(p, 1); + if (ret) + return ret; } + + if (c_new == tt_wc) + ret = set_memory_wc((unsigned long) page_address(p), 1); + else if (c_new == tt_uncached) + ret = set_pages_uc(p, 1); + + return ret; } #else /* CONFIG_X86 */ static inline int ttm_tt_set_page_caching(struct page *p, - enum ttm_caching_state c_state) + enum ttm_caching_state c_old, + enum ttm_caching_state c_new) { return 0; } @@ -245,7 +256,9 @@ static int ttm_tt_set_caching(struct ttm_tt *ttm, for (i = 0; i < ttm->num_pages; ++i) { cur_page = ttm->pages[i]; if (likely(cur_page != NULL)) { - ret = ttm_tt_set_page_caching(cur_page, c_state); + ret = ttm_tt_set_page_caching(cur_page, + ttm->caching_state, + c_state); if (unlikely(ret != 0)) goto out_err; } @@ -259,7 +272,7 @@ out_err: for (j = 0; j < i; ++j) { cur_page = ttm->pages[j]; if (likely(cur_page != NULL)) { - (void)ttm_tt_set_page_caching(cur_page, + (void)ttm_tt_set_page_caching(cur_page, c_state, ttm->caching_state); } } |