30 struct tile {  struct
44 static u64 tiled_offset(const struct tile *tile, u64 v)  in tiled_offset()  argument
48 	if (tile->tiling == I915_TILING_NONE)  in tiled_offset()
51 	y = div64_u64_rem(v, tile->stride, &x);  in tiled_offset()
52 	v = div64_u64_rem(y, tile->height, &y) * tile->stride * tile->height;  in tiled_offset()
54 	if (tile->tiling == I915_TILING_X) {  in tiled_offset()
55 		v += y * tile->width;  in tiled_offset()
56 		v += div64_u64_rem(x, tile->width, &x) << tile->size;  in tiled_offset()
58 	} else if (tile->width == 128) {  in tiled_offset()
74 	switch (tile->swizzle) {  in tiled_offset()
93 				 const struct tile *tile,  in check_partial_mapping()  argument
108 	err = i915_gem_object_set_tiling(obj, tile->tiling, tile->stride);  in check_partial_mapping()
111 		       tile->tiling, tile->stride, err);  in check_partial_mapping()
115 	GEM_BUG_ON(i915_gem_object_get_tiling(obj) != tile->tiling);  in check_partial_mapping()
116 	GEM_BUG_ON(i915_gem_object_get_stride(obj) != tile->stride);  in check_partial_mapping()
151 	offset = tiled_offset(tile, page << PAGE_SHIFT);  in check_partial_mapping()
166 		       tile->tiling ? tile_row_pages(obj) : 0,  in check_partial_mapping()
167 		       vma->fence ? vma->fence->id : -1, tile->tiling, tile->stride,  in check_partial_mapping()
186 				  const struct tile *tile,  in check_partial_mappings()  argument
196 	err = i915_gem_object_set_tiling(obj, tile->tiling, tile->stride);  in check_partial_mappings()
199 		       tile->tiling, tile->stride, err);  in check_partial_mappings()
203 	GEM_BUG_ON(i915_gem_object_get_tiling(obj) != tile->tiling);  in check_partial_mappings()
204 	GEM_BUG_ON(i915_gem_object_get_stride(obj) != tile->stride);  in check_partial_mappings()
247 		offset = tiled_offset(tile, page << PAGE_SHIFT);  in check_partial_mappings()
262 			       tile->tiling ? tile_row_pages(obj) : 0,  in check_partial_mappings()
263 			       vma->fence ? vma->fence->id : -1, tile->tiling, tile->stride,  in check_partial_mappings()
282 				__func__, tile->tiling, tile->stride))  in check_partial_mappings()
290 setup_tile_size(struct tile *tile, struct drm_i915_private *i915)  in setup_tile_size()  argument
293 		tile->height = 16;  in setup_tile_size()
294 		tile->width = 128;  in setup_tile_size()
295 		tile->size = 11;  in setup_tile_size()
296 	} else if (tile->tiling == I915_TILING_Y &&  in setup_tile_size()
298 		tile->height = 32;  in setup_tile_size()
299 		tile->width = 128;  in setup_tile_size()
300 		tile->size = 12;  in setup_tile_size()
302 		tile->height = 8;  in setup_tile_size()
303 		tile->width = 512;  in setup_tile_size()
304 		tile->size = 12;  in setup_tile_size()
308 		return 8192 / tile->width;  in setup_tile_size()
310 		return 128 * I965_FENCE_MAX_PITCH_VAL / tile->width;  in setup_tile_size()
312 		return 128 * GEN7_FENCE_MAX_PITCH_VAL / tile->width;  in setup_tile_size()
317 	const unsigned int nreal = 1 << 12; /* largest tile row x2 */  in igt_partial_tiling()
352 		struct tile tile;  in igt_partial_tiling()  local
354 		tile.height = 1;  in igt_partial_tiling()
355 		tile.width = 1;  in igt_partial_tiling()
356 		tile.size = 0;  in igt_partial_tiling()
357 		tile.stride = 0;  in igt_partial_tiling()
358 		tile.swizzle = I915_BIT_6_SWIZZLE_NONE;  in igt_partial_tiling()
359 		tile.tiling = I915_TILING_NONE;  in igt_partial_tiling()
361 		err = check_partial_mappings(obj, &tile, end);  in igt_partial_tiling()
370 		struct tile tile;  in igt_partial_tiling()  local
380 		tile.tiling = tiling;  in igt_partial_tiling()
383 			tile.swizzle = to_gt(i915)->ggtt->bit_6_swizzle_x;  in igt_partial_tiling()
386 			tile.swizzle = to_gt(i915)->ggtt->bit_6_swizzle_y;  in igt_partial_tiling()
390 		GEM_BUG_ON(tile.swizzle == I915_BIT_6_SWIZZLE_UNKNOWN);  in igt_partial_tiling()
391 		if (tile.swizzle == I915_BIT_6_SWIZZLE_9_17 ||  in igt_partial_tiling()
392 		    tile.swizzle == I915_BIT_6_SWIZZLE_9_10_17)  in igt_partial_tiling()
395 		max_pitch = setup_tile_size(&tile, i915);  in igt_partial_tiling()
398 			tile.stride = tile.width * pitch;  in igt_partial_tiling()
399 			err = check_partial_mappings(obj, &tile, end);  in igt_partial_tiling()
406 				tile.stride = tile.width * (pitch - 1);  in igt_partial_tiling()
407 				err = check_partial_mappings(obj, &tile, end);  in igt_partial_tiling()
415 				tile.stride = tile.width * (pitch + 1);  in igt_partial_tiling()
416 				err = check_partial_mappings(obj, &tile, end);  in igt_partial_tiling()
426 				tile.stride = tile.width * pitch;  in igt_partial_tiling()
427 				err = check_partial_mappings(obj, &tile, end);  in igt_partial_tiling()
448 	const unsigned int nreal = 1 << 12; /* largest tile row x2 */  in igt_smoke_tiling()
489 		struct tile tile;  in igt_smoke_tiling()  local
491 		tile.tiling =  in igt_smoke_tiling()
493 		switch (tile.tiling) {  in igt_smoke_tiling()
495 			tile.height = 1;  in igt_smoke_tiling()
496 			tile.width = 1;  in igt_smoke_tiling()
497 			tile.size = 0;  in igt_smoke_tiling()
498 			tile.stride = 0;  in igt_smoke_tiling()
499 			tile.swizzle = I915_BIT_6_SWIZZLE_NONE;  in igt_smoke_tiling()
503 			tile.swizzle = to_gt(i915)->ggtt->bit_6_swizzle_x;  in igt_smoke_tiling()
506 			tile.swizzle = to_gt(i915)->ggtt->bit_6_swizzle_y;  in igt_smoke_tiling()
510 		if (tile.swizzle == I915_BIT_6_SWIZZLE_9_17 ||  in igt_smoke_tiling()
511 		    tile.swizzle == I915_BIT_6_SWIZZLE_9_10_17)  in igt_smoke_tiling()
514 		if (tile.tiling != I915_TILING_NONE) {  in igt_smoke_tiling()
515 			unsigned int max_pitch = setup_tile_size(&tile, i915);  in igt_smoke_tiling()
517 			tile.stride =  in igt_smoke_tiling()
519 			tile.stride = (1 + tile.stride) * tile.width;  in igt_smoke_tiling()
521 				tile.stride = rounddown_pow_of_two(tile.stride);  in igt_smoke_tiling()
524 		err = check_partial_mapping(obj, &tile, &prng);  in igt_smoke_tiling()