[kbuild-all] [superna9999:amlogic/v5.17/g12-dsi 20/23] drivers/gpu/drm/meson/meson_encoder_dsi.c:59:44: warning: passing argument 2 of 'meson_venc_mipi_dsi_mode_set' discards 'const' qualifier from pointer target type

tree: https://github.com/superna9999/linux amlogic/v5.17/g12-dsi head: 62dac9179f2937dc08bffe08d15c6846bc4aedb4 commit: b186318175a12bdca613ee26b4b452964c795eb3 [20/23] fixup! WIP: drm/meson: add DSI encoder config: arm-randconfig-r013-20211210 (https://download.01.org/0day-ci/archive/20211211/202112110612.0VVbVR6R-lk...) compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/superna9999/linux/commit/b186318175a12bdca613ee26b4b45... git remote add superna9999 https://github.com/superna9999/linux git fetch --no-tags superna9999 amlogic/v5.17/g12-dsi git checkout b186318175a12bdca613ee26b4b452964c795eb3 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm SHELL=/bin/bash drivers/gpu/drm/meson/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): drivers/gpu/drm/meson/meson_encoder_dsi.c: In function 'meson_encoder_dsi_mode_set': 59 | meson_venc_mipi_dsi_mode_set(priv, mode); | ^~~~ In file included from drivers/gpu/drm/meson/meson_encoder_dsi.c:24: drivers/gpu/drm/meson/meson_venc.h:71:60: note: expected 'struct drm_display_mode *' but argument is of type 'const struct drm_display_mode *' 71 | struct drm_display_mode *mode); | ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~ vim +59 drivers/gpu/drm/meson/meson_encoder_dsi.c 6b197be782e0410 Neil Armstrong 2021-12-09 47 b186318175a12bd Neil Armstrong 2021-12-10 48 static void meson_encoder_dsi_mode_set(struct drm_bridge *bridge, b186318175a12bd Neil Armstrong 2021-12-10 49 const struct drm_display_mode *mode, b186318175a12bd Neil Armstrong 2021-12-10 50 const struct drm_display_mode *adjusted_mode) 6b197be782e0410 Neil Armstrong 2021-12-09 51 { 6b197be782e0410 Neil Armstrong 2021-12-09 52 struct meson_encoder_dsi *encoder_dsi = bridge_to_meson_encoder_dsi(bridge); 6b197be782e0410 Neil Armstrong 2021-12-09 53 struct meson_drm *priv = encoder_dsi->priv; 6b197be782e0410 Neil Armstrong 2021-12-09 54 b186318175a12bd Neil Armstrong 2021-12-10 55 pr_err("%s:%d\n", __func__, __LINE__); 6b197be782e0410 Neil Armstrong 2021-12-09 56 b186318175a12bd Neil Armstrong 2021-12-10 57 meson_vclk_setup(priv, MESON_VCLK_TARGET_DSI, mode->clock, 0, 0, 0, false); 6b197be782e0410 Neil Armstrong 2021-12-09 58 d521159dd8a9966 Neil Armstrong 2021-12-10 @59 meson_venc_mipi_dsi_mode_set(priv, mode); e1e87e576f5befb Neil Armstrong 2021-12-09 60 meson_encl_load_gamma(priv); 6b197be782e0410 Neil Armstrong 2021-12-09 61 b186318175a12bd Neil Armstrong 2021-12-10 62 writel_relaxed(0, priv->io_base + _REG(ENCL_VIDEO_EN)); b186318175a12bd Neil Armstrong 2021-12-10 63 e1e87e576f5befb Neil Armstrong 2021-12-09 64 writel_bits_relaxed(BIT(3), BIT(3), priv->io_base + _REG(ENCL_VIDEO_MODE_ADV)); e1e87e576f5befb Neil Armstrong 2021-12-09 65 writel_relaxed(0, priv->io_base + _REG(ENCL_TST_EN)); b186318175a12bd Neil Armstrong 2021-12-10 66 } b186318175a12bd Neil Armstrong 2021-12-10 67 :::::: The code at line 59 was first introduced by commit :::::: d521159dd8a996678230b50e4ecafcdf50648c52 fixup! WIP: drm/meson: add DSI encoder :::::: TO: Neil Armstrong <narmstrong(a)baylibre.com&gt; :::::: CC: Neil Armstrong <narmstrong(a)baylibre.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org