Lines Matching refs:direction

86  * to read in a certain direction.
89  * @direction: Direction of the reading
92  * As the returned count is the number of bytes between two consecutive blocks in a direction,
97 static int get_block_step_bytes(struct drm_framebuffer *fb, enum pixel_read_direction direction,
100 	switch (direction) {
146  * get_subsampling() - Get the subsampling divisor value on a specific direction
149  * @direction: direction of the subsampling requested
152 			   enum pixel_read_direction direction)
154 	switch (direction) {
162 	WARN_ONCE(true, "Invalid direction for pixel reading: %d\n", direction);
170  * @direction: direction of the reading to properly compute this offset
174 static int get_subsampling_offset(enum pixel_read_direction direction, int x_start, int y_start)
176 	switch (direction) {
186 	WARN_ONCE(true, "Invalid direction for pixel reading: %d\n", direction);
298  * They read a line starting at the point @x_start,@y_start following the @direction. The result
309 			 int y_start, enum pixel_read_direction direction, int count,
322 	int step = get_block_step_bytes(plane->frame_info->fb, direction, 0);
326 	if (direction == READ_LEFT_TO_RIGHT || direction == READ_RIGHT_TO_LEFT) {
330 		if (direction == READ_LEFT_TO_RIGHT) {
350 	} else if (direction == READ_TOP_TO_BOTTOM || direction == READ_BOTTOM_TO_TOP) {
361 			 int y_start, enum pixel_read_direction direction, int count,
364 	Rx_read_line(plane, x_start, y_start, direction, count, out_pixel);
368 			 int y_start, enum pixel_read_direction direction, int count,
371 	Rx_read_line(plane, x_start, y_start, direction, count, out_pixel);
375 			 int y_start, enum pixel_read_direction direction, int count,
378 	Rx_read_line(plane, x_start, y_start, direction, count, out_pixel);
382 			 int y_start, enum pixel_read_direction direction, int count,
387 	int step = get_block_step_bytes(plane->frame_info->fb, direction, 0);
399 			       enum pixel_read_direction direction, int count,
407 	int step = get_block_step_bytes(plane->frame_info->fb, direction, 0);
418 			       enum pixel_read_direction direction, int count,
426 	int step = get_block_step_bytes(plane->frame_info->fb, direction, 0);
437 			       enum pixel_read_direction direction, int count,
445 	int step = get_block_step_bytes(plane->frame_info->fb, direction, 0);
457 				   int y_start, enum pixel_read_direction direction, int count,
465 	int step = get_block_step_bytes(plane->frame_info->fb, direction, 0);
476 				   int y_start, enum pixel_read_direction direction, int count,
484 	int step = get_block_step_bytes(plane->frame_info->fb, direction, 0);
495 			     int y_start, enum pixel_read_direction direction, int count,
503 	int step = get_block_step_bytes(plane->frame_info->fb, direction, 0);
525 				      int y_start, enum pixel_read_direction direction, int count,
537 	int step_y = get_block_step_bytes(plane->frame_info->fb, direction, 0);
538 	int step_uv = get_block_step_bytes(plane->frame_info->fb, direction, 1);
539 	int subsampling = get_subsampling(plane->frame_info->fb->format, direction);
540 	int subsampling_offset = get_subsampling_offset(direction, x_start, y_start);
564 				 int y_start, enum pixel_read_direction direction, int count,
581 	int step_y = get_block_step_bytes(plane->frame_info->fb, direction, 0);
582 	int step_channel_1 = get_block_step_bytes(plane->frame_info->fb, direction, 1);
583 	int step_channel_2 = get_block_step_bytes(plane->frame_info->fb, direction, 2);
584 	int subsampling = get_subsampling(plane->frame_info->fb->format, direction);
585 	int subsampling_offset = get_subsampling_offset(direction, x_start, y_start);