From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9A9C3C433EF for ; Sat, 11 Dec 2021 04:58:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345951AbhLKEzP (ORCPT ); Fri, 10 Dec 2021 23:55:15 -0500 Received: from mga09.intel.com ([134.134.136.24]:9085 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233585AbhLKEzN (ORCPT ); Fri, 10 Dec 2021 23:55:13 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1639198297; x=1670734297; h=date:from:to:cc:subject:message-id:mime-version; bh=ORaAGIoy+j8VYxXqV2KW+tZfGurfvWFFe66CgFnWH2E=; b=TfdzNj3x8TTPZpHV4+5foXCqvOa5t89xrR/flpX3BqLuvOkGcjV3Xncw 6BOf+OHqHXrHI0kDflJINX1/tuYT2is0baGt9JqhlQDcwQPj5GoJWZr3l 8LTuOQeTcKDr2N8lQ1vjG1I74MAY/5V8gpz4fOW7ym23CvJT7Odsh97Rl C5z4136sryivF1AYiQIl7RgjbTzQO94RzOWloomDJU0T2lcdXw+uhXpWM h/1OzlbhZhISlvVsftdquexMXYv4UXD87jWL4ak4ePsetQrQGTpzeY9Ty DG5HQ6MVOr5j0Y0aF4CpqygXRVWFBaMpw5PJb9qWjW4XDbXfUIyvNb5wq w==; X-IronPort-AV: E=McAfee;i="6200,9189,10194"; a="238313066" X-IronPort-AV: E=Sophos;i="5.88,197,1635231600"; d="scan'208";a="238313066" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Dec 2021 20:51:31 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,197,1635231600"; d="scan'208";a="544212044" Received: from lkp-server02.sh.intel.com (HELO 9e1e9f9b3bcb) ([10.239.97.151]) by orsmga001.jf.intel.com with ESMTP; 10 Dec 2021 20:51:29 -0800 Received: from kbuild by 9e1e9f9b3bcb with local (Exim 4.92) (envelope-from ) id 1mvuM4-00047v-N4; Sat, 11 Dec 2021 04:51:28 +0000 Date: Sat, 11 Dec 2021 12:50:38 +0800 From: kernel test robot To: Neil Armstrong Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: [superna9999:amlogic/v5.17/g12-dsi 20/23] drivers/gpu/drm/meson/meson_encoder_dsi.c:59:37: error: passing 'const struct drm_display_mode *' to parameter of type 'struct drm_display_mode *' discards qualifiers Message-ID: <202112111247.XKv1vmaF-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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-r033-20211210 (https://download.01.org/0day-ci/archive/20211211/202112111247.XKv1vmaF-lkp@intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 097a1cb1d5ebb3a0ec4bcaed8ba3ff6a8e33c00a) 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 # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://github.com/superna9999/linux/commit/b186318175a12bdca613ee26b4b452964c795eb3 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=clang make.cross W=1 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 All errors (new ones prefixed by >>): >> drivers/gpu/drm/meson/meson_encoder_dsi.c:59:37: error: passing 'const struct drm_display_mode *' to parameter of type 'struct drm_display_mode *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers] meson_venc_mipi_dsi_mode_set(priv, mode); ^~~~ drivers/gpu/drm/meson/meson_venc.h:71:32: note: passing argument to parameter 'mode' here struct drm_display_mode *mode); ^ drivers/gpu/drm/meson/meson_encoder_dsi.c:130:69: warning: variable 'ret' is uninitialized when used here [-Wuninitialized] dev_err(priv->dev, "Failed to find DSI transceiver bridge: %d\n", ret); ^~~ include/linux/dev_printk.h:144:65: note: expanded from macro 'dev_err' dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~~~~ include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap' _p_func(dev, fmt, ##__VA_ARGS__); \ ^~~~~~~~~~~ drivers/gpu/drm/meson/meson_encoder_dsi.c:109:9: note: initialize the variable 'ret' to silence this warning int ret; ^ = 0 1 warning and 1 error generated. vim +59 drivers/gpu/drm/meson/meson_encoder_dsi.c 6b197be782e041 Neil Armstrong 2021-12-09 47 b186318175a12b Neil Armstrong 2021-12-10 48 static void meson_encoder_dsi_mode_set(struct drm_bridge *bridge, b186318175a12b Neil Armstrong 2021-12-10 49 const struct drm_display_mode *mode, b186318175a12b Neil Armstrong 2021-12-10 50 const struct drm_display_mode *adjusted_mode) 6b197be782e041 Neil Armstrong 2021-12-09 51 { 6b197be782e041 Neil Armstrong 2021-12-09 52 struct meson_encoder_dsi *encoder_dsi = bridge_to_meson_encoder_dsi(bridge); 6b197be782e041 Neil Armstrong 2021-12-09 53 struct meson_drm *priv = encoder_dsi->priv; 6b197be782e041 Neil Armstrong 2021-12-09 54 b186318175a12b Neil Armstrong 2021-12-10 55 pr_err("%s:%d\n", __func__, __LINE__); 6b197be782e041 Neil Armstrong 2021-12-09 56 b186318175a12b Neil Armstrong 2021-12-10 57 meson_vclk_setup(priv, MESON_VCLK_TARGET_DSI, mode->clock, 0, 0, 0, false); 6b197be782e041 Neil Armstrong 2021-12-09 58 d521159dd8a996 Neil Armstrong 2021-12-10 @59 meson_venc_mipi_dsi_mode_set(priv, mode); e1e87e576f5bef Neil Armstrong 2021-12-09 60 meson_encl_load_gamma(priv); 6b197be782e041 Neil Armstrong 2021-12-09 61 b186318175a12b Neil Armstrong 2021-12-10 62 writel_relaxed(0, priv->io_base + _REG(ENCL_VIDEO_EN)); b186318175a12b Neil Armstrong 2021-12-10 63 e1e87e576f5bef Neil Armstrong 2021-12-09 64 writel_bits_relaxed(BIT(3), BIT(3), priv->io_base + _REG(ENCL_VIDEO_MODE_ADV)); e1e87e576f5bef Neil Armstrong 2021-12-09 65 writel_relaxed(0, priv->io_base + _REG(ENCL_TST_EN)); b186318175a12b Neil Armstrong 2021-12-10 66 } b186318175a12b 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 :::::: CC: Neil Armstrong --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org