Hi Louis, kernel test robot noticed the following build warnings:
[auto build test WARNING on 2271e0a20ef795838527815e057f5af206b69c87] url: https://github.com/intel-lab-lkp/linux/commits/Louis-Chauvet/drm-vkms-Create-helpers-macro-to-avoid-code-duplication-in-format-callbacks/20260813-163823 base: 2271e0a20ef795838527815e057f5af206b69c87 patch link: https://lore.kernel.org/r/20250530-b4-new-color-formats-v4-8-ef5f9f48376c%40bootlin.com patch subject: [PATCH v4 8/8] drm/vkms: Add P01* formats config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20260813/[email protected]/config) compiler: powerpc64-linux-gcc (GCC) 16.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260813/[email protected]/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/vkms/vkms_formats.c:324: warning: Excess function parameter >> '__VA_ARGS__' description in 'READ_LINE' >> drivers/gpu/drm/vkms/vkms_formats.c:335: warning: Function parameter or >> struct member 'a' not described in 'READ_LINE_ARGB8888' >> drivers/gpu/drm/vkms/vkms_formats.c:335: warning: Function parameter or >> struct member 'r' not described in 'READ_LINE_ARGB8888' >> drivers/gpu/drm/vkms/vkms_formats.c:335: warning: Function parameter or >> struct member 'g' not described in 'READ_LINE_ARGB8888' >> drivers/gpu/drm/vkms/vkms_formats.c:335: warning: Function parameter or >> struct member 'b' not described in 'READ_LINE_ARGB8888' >> drivers/gpu/drm/vkms/vkms_formats.c:345: warning: Function parameter or >> struct member 'a' not described in 'READ_LINE_le16161616' >> drivers/gpu/drm/vkms/vkms_formats.c:345: warning: Function parameter or >> struct member 'r' not described in 'READ_LINE_le16161616' >> drivers/gpu/drm/vkms/vkms_formats.c:345: warning: Function parameter or >> struct member 'g' not described in 'READ_LINE_le16161616' >> drivers/gpu/drm/vkms/vkms_formats.c:345: warning: Function parameter or >> struct member 'b' not described in 'READ_LINE_le16161616' vim +324 drivers/gpu/drm/vkms/vkms_formats.c 294 295 /** 296 * READ_LINE() - Generic generator for a read_line function which can be used for format with one 297 * plane and a block_h == block_w == 1. 298 * 299 * @function_name: Function name to generate 300 * @pixel_name: Temporary pixel name used in the @__VA_ARGS__ parameters 301 * @pixel_type: Used to specify the type you want to cast the pixel pointer 302 * @callback: Callback to call for each pixels. This fonction should take @__VA_ARGS__ as parameter 303 * and return a pixel_argb_u16 304 * @__VA_ARGS__: Argument to pass inside the callback. You can use @pixel_name to access current 305 * pixel. 306 */ 307 #define READ_LINE(function_name, pixel_name, pixel_type, callback, ...) \ 308 static void function_name(const struct vkms_plane_state *plane, int x_start, \ 309 int y_start, enum pixel_read_direction direction, int count, \ 310 struct pixel_argb_u16 out_pixel[]) \ 311 { \ 312 struct pixel_argb_u16 *end = out_pixel + count; \ 313 int step = get_block_step_bytes(plane->frame_info->fb, direction, 0); \ 314 u8 *src_pixels; \ 315 \ 316 packed_pixels_addr_1x1(plane->frame_info, x_start, y_start, 0, &src_pixels); \ 317 \ 318 while (out_pixel < end) { \ 319 pixel_type *(pixel_name) = (pixel_type *)src_pixels; \ 320 *out_pixel = (callback)(__VA_ARGS__); \ 321 out_pixel += 1; \ 322 src_pixels += step; \ 323 } \ > 324 } 325 326 /** 327 * READ_LINE_ARGB8888() - Generic generator for ARGB8888 formats. 328 * The pixel type used is u8, so pixel_name[0]..pixel_name[n] are the n components of the pixel. 329 * 330 * @function_name: Function name to generate 331 * @pixel_name: temporary pixel to use in @a, @r, @g and @b parameters 332 * @a, @r, @g, @b: value of each channel 333 */ 334 #define READ_LINE_ARGB8888(function_name, pixel_name, a, r, g, b) \ > 335 READ_LINE(function_name, pixel_name, u8, argb_u16_from_u8888, > a, r, g, b) 336 /** 337 * READ_LINE_le16161616() - Generic generator for ARGB16161616 formats. 338 * The pixel type used is u16, so pixel_name[0]..pixel_name[n] are the n components of the pixel. 339 * 340 * @function_name: Function name to generate 341 * @pixel_name: temporary pixel to use in @a, @r, @g and @b parameters 342 * @a, @r, @g, @b: value of each channel 343 */ 344 #define READ_LINE_le16161616(function_name, pixel_name, a, r, g, b) \ > 345 READ_LINE(function_name, pixel_name, __le16, > argb_u16_from_le16161616, a, r, g, b) 346 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
