drm2/i915/i915_gem_tiling.c

260 i915_gem_object_fence_ok(struct drm_i915_gem_object *obj, int tiling_mode)
267 	if (INTEL_INFO(obj->base.dev)->gen >= 4)
270 	if (INTEL_INFO(obj->base.dev)->gen == 3) {
271 		if (obj->gtt_offset & ~I915_FENCE_START_MASK)
274 		if (obj->gtt_offset & ~I830_FENCE_START_MASK)
282 	if (INTEL_INFO(obj->base.dev)->gen == 3)
287 	while (size < obj->base.size)
290 	if (obj->gtt_space->size != size)
293 	if (obj->gtt_offset & (size - 1))
309 	struct drm_i915_gem_object *obj;
312 	obj = to_intel_bo(drm_gem_object_lookup(dev, file, args->handle));
313 	if (&obj->base == NULL)
317 			    args->stride, obj->base.size, args->tiling_mode)) {
318 		drm_gem_object_unreference_unlocked(&obj->base);
322 	if (obj->pin_count) {
323 		drm_gem_object_unreference_unlocked(&obj->base);
357 	if (args->tiling_mode != obj->tiling_mode ||
358 	    args->stride != obj->stride) {
372 		obj->map_and_fenceable =
373 			obj->gtt_space == NULL ||
374 			(obj->gtt_offset + obj->base.size <= dev_priv->mm.gtt_mappable_end &&
375 			 i915_gem_object_fence_ok(obj, args->tiling_mode));
378 		if (!obj->map_and_fenceable) {
381 								    obj->base.size,
383 			if (obj->gtt_offset & (unfenced_alignment - 1))
384 				ret = i915_gem_object_unbind(obj);
388 			obj->fence_dirty =
389 				obj->fenced_gpu_access ||
390 				obj->fence_reg != I915_FENCE_REG_NONE;
392 			obj->tiling_mode = args->tiling_mode;
393 			obj->stride = args->stride;
396 			i915_gem_release_mmap(obj);
400 	args->stride = obj->stride;
401 	args->tiling_mode = obj->tiling_mode;
402 	drm_gem_object_unreference(&obj->base);
417 	struct drm_i915_gem_object *obj;
419 	obj = to_intel_bo(drm_gem_object_lookup(dev, file, args->handle));
420 	if (&obj->base == NULL)
425 	args->tiling_mode = obj->tiling_mode;
426 	switch (obj->tiling_mode) {
446 	drm_gem_object_unreference(&obj->base);
479 i915_gem_object_do_bit_17_swizzle_page(struct drm_i915_gem_object *obj,
484 	if (obj->bit_17 == NULL)
489 	    (test_bit(m->pindex, obj->bit_17) != 0)) {
496 i915_gem_object_do_bit_17_swizzle(struct drm_i915_gem_object *obj)
498 	int page_count = obj->base.size >> PAGE_SHIFT;
501 	if (obj->bit_17 == NULL)
505 		vm_page_t page = obj->pages[i];
508 		    (test_bit(i, obj->bit_17) != 0)) {
516 i915_gem_object_save_bit_17_swizzle(struct drm_i915_gem_object *obj)
518 	int page_count = obj->base.size >> PAGE_SHIFT;
521 	if (obj->bit_17 == NULL) {
522 		obj->bit_17 = malloc(BITS_TO_LONGS(page_count) *
524 		if (obj->bit_17 == NULL) {
533 		vm_page_t page = obj->pages[i];
535 			__set_bit(i, obj->bit_17);
537 			__clear_bit(i, obj->bit_17);