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RCVD_VIA_SMTP_AUTH(0.00)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com] X-Rspamd-Action: no action X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Use the newer ttm_bo_vmap() instead of ttm_bo_kmap(). The new interface uses struct iomap_map, which helps with pointer setup and memcpy() ops. Removes a TODO item and quite a bit of workarounds from the code. Signed-off-by: Thomas Zimmermann --- .../compat-i915-headers/gem/i915_gem_object.h | 17 +++------- drivers/gpu/drm/xe/xe_bo.c | 32 ++++--------------- drivers/gpu/drm/xe/xe_bo_types.h | 2 -- 3 files changed, 10 insertions(+), 41 deletions(-) diff --git a/drivers/gpu/drm/xe/compat-i915-headers/gem/i915_gem_object.h b/drivers/gpu/drm/xe/compat-i915-headers/gem/i915_gem_object.h index 777c20ceabab1..25ae56d700431 100644 --- a/drivers/gpu/drm/xe/compat-i915-headers/gem/i915_gem_object.h +++ b/drivers/gpu/drm/xe/compat-i915-headers/gem/i915_gem_object.h @@ -34,28 +34,19 @@ static inline bool i915_gem_object_is_userptr(const struct xe_bo *bo) static inline int i915_gem_object_read_from_page(struct xe_bo *bo, u32 ofs, u64 *ptr, u32 size) { - struct ttm_bo_kmap_obj map; - void *src; - bool is_iomem; + struct iosys_map src; int ret; ret = xe_bo_lock(bo, true); if (ret) return ret; - ret = ttm_bo_kmap(&bo->ttm, ofs >> PAGE_SHIFT, 1, &map); + ret = ttm_bo_vmap(&bo->ttm, ofs, size, &src); if (ret) goto out_unlock; + iosys_map_memcpy_from(ptr, &src, ofs & ~PAGE_MASK, size); + ttm_bo_vunmap(&bo->ttm, &src); - ofs &= ~PAGE_MASK; - src = ttm_kmap_obj_virtual(&map, &is_iomem); - src += ofs; - if (is_iomem) - memcpy_fromio(ptr, (void __iomem *)src, size); - else - memcpy(ptr, src, size); - - ttm_bo_kunmap(&map); out_unlock: xe_bo_unlock(bo); return ret; diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c index a98d857ff1e5a..6158e1a959cd4 100644 --- a/drivers/gpu/drm/xe/xe_bo.c +++ b/drivers/gpu/drm/xe/xe_bo.c @@ -1888,10 +1888,6 @@ dma_addr_t xe_bo_addr(struct xe_bo *bo, u64 offset, size_t page_size) int xe_bo_vmap(struct xe_bo *bo) { - void *virtual; - bool is_iomem; - int ret; - xe_bo_assert_held(bo); if (!(bo->flags & XE_BO_FLAG_NEEDS_CPU_ACCESS)) @@ -1900,32 +1896,16 @@ int xe_bo_vmap(struct xe_bo *bo) if (!iosys_map_is_null(&bo->vmap)) return 0; - /* - * We use this more or less deprecated interface for now since - * ttm_bo_vmap() doesn't offer the optimization of kmapping - * single page bos, which is done here. - * TODO: Fix up ttm_bo_vmap to do that, or fix up ttm_bo_kmap - * to use struct iosys_map. - */ - ret = ttm_bo_kmap(&bo->ttm, 0, bo->size >> PAGE_SHIFT, &bo->kmap); - if (ret) - return ret; - - virtual = ttm_kmap_obj_virtual(&bo->kmap, &is_iomem); - if (is_iomem) - iosys_map_set_vaddr_iomem(&bo->vmap, (void __iomem *)virtual); - else - iosys_map_set_vaddr(&bo->vmap, virtual); - - return 0; + return ttm_bo_vmap(&bo->ttm, 0, bo->size, &bo->vmap); } static void __xe_bo_vunmap(struct xe_bo *bo) { - if (!iosys_map_is_null(&bo->vmap)) { - iosys_map_clear(&bo->vmap); - ttm_bo_kunmap(&bo->kmap); - } + if (iosys_map_is_null(&bo->vmap)) + return; + + ttm_bo_vunmap(&bo->ttm, &bo->vmap); + iosys_map_clear(&bo->vmap); } void xe_bo_vunmap(struct xe_bo *bo) diff --git a/drivers/gpu/drm/xe/xe_bo_types.h b/drivers/gpu/drm/xe/xe_bo_types.h index 86422e113d396..5cba681ba73c2 100644 --- a/drivers/gpu/drm/xe/xe_bo_types.h +++ b/drivers/gpu/drm/xe/xe_bo_types.h @@ -42,8 +42,6 @@ struct xe_bo { struct drm_mm_node ggtt_node; /** @vmap: iosys map of this buffer */ struct iosys_map vmap; - /** @ttm_kmap: TTM bo kmap object for internal use only. Keep off. */ - struct ttm_bo_kmap_obj kmap; /** @pinned_link: link to present / evicted list of pinned BO */ struct list_head pinned_link; #ifdef CONFIG_PROC_FS