i915/gem/i915_gem_tiling.c

119 i915_tiling_ok(struct drm_i915_gem_object *obj,
122 	struct drm_i915_private *i915 = to_i915(obj->base.dev);
183 i915_gem_object_fence_prepare(struct drm_i915_gem_object *obj,
186 	struct drm_i915_private *i915 = to_i915(obj->base.dev);
197 	spin_lock(&obj->vma.lock);
198 	for_each_ggtt_vma(vma, obj) {
206 	spin_unlock(&obj->vma.lock);
222 bool i915_gem_object_needs_bit17_swizzle(struct drm_i915_gem_object *obj)
224 	struct drm_i915_private *i915 = to_i915(obj->base.dev);
227 		i915_gem_object_is_tiled(obj);
231 i915_gem_object_set_tiling(struct drm_i915_gem_object *obj,
234 	struct drm_i915_private *i915 = to_i915(obj->base.dev);
238 	/* Make sure we don't cross-contaminate obj->tiling_and_stride */
241 	GEM_BUG_ON(!i915_tiling_ok(obj, tiling, stride));
244 	if ((tiling | stride) == obj->tiling_and_stride)
247 	if (i915_gem_object_is_framebuffer(obj))
263 	i915_gem_object_lock(obj, NULL);
264 	if (i915_gem_object_is_framebuffer(obj)) {
265 		i915_gem_object_unlock(obj);
269 	err = i915_gem_object_fence_prepare(obj, tiling, stride);
271 		i915_gem_object_unlock(obj);
279 	if (i915_gem_object_has_pages(obj) &&
280 	    obj->mm.madv == I915_MADV_WILLNEED &&
283 			GEM_BUG_ON(!i915_gem_object_has_tiling_quirk(obj));
284 			i915_gem_object_clear_tiling_quirk(obj);
285 			i915_gem_object_make_shrinkable(obj);
287 		if (!i915_gem_object_is_tiled(obj)) {
288 			GEM_BUG_ON(i915_gem_object_has_tiling_quirk(obj));
289 			i915_gem_object_make_unshrinkable(obj);
290 			i915_gem_object_set_tiling_quirk(obj);
294 	spin_lock(&obj->vma.lock);
295 	for_each_ggtt_vma(vma, obj) {
305 	spin_unlock(&obj->vma.lock);
307 	obj->tiling_and_stride = tiling | stride;
310 	if (i915_gem_object_needs_bit17_swizzle(obj)) {
311 		if (!obj->bit_17) {
312 			obj->bit_17 = bitmap_zalloc(obj->base.size >> PAGE_SHIFT,
316 		bitmap_free(obj->bit_17);
317 		obj->bit_17 = NULL;
320 	i915_gem_object_unlock(obj);
323 	i915_gem_object_release_mmap_gtt(obj);
348 	struct drm_i915_gem_object *obj;
354 	obj = i915_gem_object_lookup(file, args->handle);
355 	if (!obj)
362 	if (i915_gem_object_is_proxy(obj)) {
367 	if (!i915_tiling_ok(obj, args->tiling_mode, args->stride)) {
401 	err = i915_gem_object_set_tiling(obj, args->tiling_mode, args->stride);
404 	args->stride = i915_gem_object_get_stride(obj);
405 	args->tiling_mode = i915_gem_object_get_tiling(obj);
408 	i915_gem_object_put(obj);
431 	struct drm_i915_gem_object *obj;
438 	obj = i915_gem_object_lookup_rcu(file, args->handle);
439 	if (obj) {
441 			READ_ONCE(obj->tiling_and_stride) & TILING_MASK;