13  * packed_pixels_offset() - Get the offset of the block containing the pixel at coordinates x/y
16  * @x: The x coordinate of the wanted pixel in the buffer
17  * @y: The y coordinate of the wanted pixel in the buffer
20  * @rem_x: The returned X coordinate of the requested pixel in the block
21  * @rem_y: The returned Y coordinate of the requested pixel in the block
23  * As some pixel formats store multiple pixels in a block (DRM_FORMAT_R* for example), some
25  * whole block, and the coordinate of the requested pixel inside this block.
30  * With this function, the caller just have to extract the correct pixel from the block.
41 	 * containing the pixel.  in packed_pixels_offset()
56  * packed_pixels_addr() - Get the pointer to the block containing the pixel at the given
64  * @rem_x: The returned X coordinate of the requested pixel in the block
65  * @rem_y: The returned Y coordinate of the requested pixel in the block
68  * of the block containing this pixel and the pixel position inside this block.
83  * get_block_step_bytes() - Common helper to compute the correct step value between each pixel block
115  * packed_pixels_addr_1x1() - Get the pointer to the block containing the pixel at the given
144  * The following functions take pixel data (a, r, g, b, pixel, ...) and convert them to
147  * They are used in the `read_line`s functions to avoid duplicate work for some pixel formats.
156 	 * the best color value in a pixel format with more possibilities.  in argb_u16_from_u8888()
185 static struct pixel_argb_u16 argb_u16_from_RGB565(const __le16 *pixel)  in argb_u16_from_RGB565()  argument
192 	u16 rgb_565 = le16_to_cpu(*pixel);  in argb_u16_from_RGB565()
206  * The following functions are read_line function for each pixel format supported by VKMS.
211  * These functions are very repetitive, but the innermost pixel loops must be kept inside these
318  * They are used in vkms_writeback_row() to convert and store a pixel from the src_buffer to
349 	__le16 *pixel = (__le16 *)out_pixel;  in argb_u16_to_ARGB16161616()  local
351 	pixel[3] = cpu_to_le16(in_pixel->a);  in argb_u16_to_ARGB16161616()
352 	pixel[2] = cpu_to_le16(in_pixel->r);  in argb_u16_to_ARGB16161616()
353 	pixel[1] = cpu_to_le16(in_pixel->g);  in argb_u16_to_ARGB16161616()
354 	pixel[0] = cpu_to_le16(in_pixel->b);  in argb_u16_to_ARGB16161616()
359 	__le16 *pixel = (__le16 *)out_pixel;  in argb_u16_to_XRGB16161616()  local
361 	pixel[3] = cpu_to_le16(0xffff);  in argb_u16_to_XRGB16161616()
362 	pixel[2] = cpu_to_le16(in_pixel->r);  in argb_u16_to_XRGB16161616()
363 	pixel[1] = cpu_to_le16(in_pixel->g);  in argb_u16_to_XRGB16161616()
364 	pixel[0] = cpu_to_le16(in_pixel->b);  in argb_u16_to_XRGB16161616()
369 	__le16 *pixel = (__le16 *)out_pixel;  in argb_u16_to_RGB565()  local
382 	*pixel = cpu_to_le16(r << 11 | g << 5 | b);  in argb_u16_to_RGB565()
411  * format. The returned pointer is NULL for unsupported pixel formats. The caller must ensure that
436 …pr_err("Pixel format %p4cc is not supported by VKMS planes. This is a kernel bug, atomic check mus…  in get_pixel_read_line_function()
444  * The returned pointer is NULL for unsupported pixel formats. The caller must ensure that the
469 …pr_err("Pixel format %p4cc is not supported by VKMS writeback. This is a kernel bug, atomic check …  in get_pixel_write_function()