12 static size_t pixel_offset(const struct vkms_frame_info *frame_info, int x, int y)  in pixel_offset()  argument
14 	return frame_info->offset + (y * frame_info->pitch)  in pixel_offset()
15 				  + (x * frame_info->cpp);  in pixel_offset()
31 static void *packed_pixels_addr(const struct vkms_frame_info *frame_info,  in packed_pixels_addr()  argument
34 	size_t offset = pixel_offset(frame_info, x, y);  in packed_pixels_addr()
36 	return (u8 *)frame_info->map[0].vaddr + offset;  in packed_pixels_addr()
39 static void *get_packed_src_addr(const struct vkms_frame_info *frame_info, int y)  in get_packed_src_addr()  argument
41 	int x_src = frame_info->src.x1 >> 16;  in get_packed_src_addr()
42 	int y_src = y - frame_info->rotated.y1 + (frame_info->src.y1 >> 16);  in get_packed_src_addr()
44 	return packed_pixels_addr(frame_info, x_src, y_src);  in get_packed_src_addr()
47 static int get_x_position(const struct vkms_frame_info *frame_info, int limit, int x)  in get_x_position()  argument
49 	if (frame_info->rotation & (DRM_MODE_REFLECT_X | DRM_MODE_ROTATE_270))  in get_x_position()
130 	struct vkms_frame_info *frame_info = plane->frame_info;  in vkms_compose_row()  local
131 	u8 *src_pixels = get_packed_src_addr(frame_info, y);  in vkms_compose_row()
132 	int limit = min_t(size_t, drm_rect_width(&frame_info->dst), stage_buffer->n_pixels);  in vkms_compose_row()
134 	for (size_t x = 0; x < limit; x++, src_pixels += frame_info->cpp) {  in vkms_compose_row()
135 		int x_pos = get_x_position(frame_info, limit, x);  in vkms_compose_row()
137 		if (drm_rotation_90_or_270(frame_info->rotation))  in vkms_compose_row()
138 			src_pixels = get_packed_src_addr(frame_info, x + frame_info->rotated.y1)  in vkms_compose_row()
139 				+ frame_info->cpp * y;  in vkms_compose_row()
220 	struct vkms_frame_info *frame_info = &wb->wb_frame_info;  in vkms_writeback_row()  local
221 	int x_dst = frame_info->dst.x1;  in vkms_writeback_row()
222 	u8 *dst_pixels = packed_pixels_addr(frame_info, x_dst, y);  in vkms_writeback_row()
224 	int x_limit = min_t(size_t, drm_rect_width(&frame_info->dst), src_buffer->n_pixels);  in vkms_writeback_row()
226 	for (size_t x = 0; x < x_limit; x++, dst_pixels += frame_info->cpp)  in vkms_writeback_row()