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X-CSE-ConnectionGUID: +wxcalatTbasxhzD5DG+uQ== X-CSE-MsgGUID: 6RoOBCM4R1y+JyYbVboB4w== X-IronPort-AV: E=McAfee;i="6800,10657,11733"; a="74835551" X-IronPort-AV: E=Sophos;i="6.23,128,1770624000"; d="scan'208";a="74835551" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Mar 2026 17:22:41 -0700 X-CSE-ConnectionGUID: uWlu8RaoQtSA+GjbI5OP3A== X-CSE-MsgGUID: jLw6YJu5QaeHjVuNRwF1fA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,128,1770624000"; d="scan'208";a="221904375" Received: from lkp-server02.sh.intel.com (HELO a51c2a36b9df) ([10.239.97.151]) by orviesa006.jf.intel.com with ESMTP; 18 Mar 2026 17:22:37 -0700 Received: from kbuild by a51c2a36b9df with local (Exim 4.98.2) (envelope-from ) id 1w3182-0000000007N-2HDT; Thu, 19 Mar 2026 00:21:13 +0000 Date: Thu, 19 Mar 2026 08:19:53 +0800 From: kernel test robot To: Alexander Koskovich , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten Cc: oe-kbuild-all@lists.linux.dev, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, Alexander Koskovich Subject: Re: [PATCH 1/3] drm/mipi-dsi: add RGB101010 pixel format Message-ID: <202603190805.7UiuBASq-lkp@intel.com> References: <20260318-dsi-rgb101010-support-v1-1-6021eb79e796@pm.me> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260318-dsi-rgb101010-support-v1-1-6021eb79e796@pm.me> Hi Alexander, kernel test robot noticed the following build warnings: [auto build test WARNING on f338e77383789c0cae23ca3d48adcc5e9e137e3c] url: https://github.com/intel-lab-lkp/linux/commits/Alexander-Koskovich/drm-mipi-dsi-add-RGB101010-pixel-format/20260318-220726 base: f338e77383789c0cae23ca3d48adcc5e9e137e3c patch link: https://lore.kernel.org/r/20260318-dsi-rgb101010-support-v1-1-6021eb79e796%40pm.me patch subject: [PATCH 1/3] drm/mipi-dsi: add RGB101010 pixel format config: nios2-allmodconfig (https://download.01.org/0day-ci/archive/20260319/202603190805.7UiuBASq-lkp@intel.com/config) compiler: nios2-linux-gcc (GCC) 11.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260319/202603190805.7UiuBASq-lkp@intel.com/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 | Closes: https://lore.kernel.org/oe-kbuild-all/202603190805.7UiuBASq-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/gpu/drm/meson/meson_dw_mipi_dsi.c: In function 'dw_mipi_dsi_phy_init': >> drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:113:9: warning: enumeration value 'MIPI_DSI_FMT_RGB101010' not handled in switch [-Wswitch] 113 | switch (mipi_dsi->dsi_device->format) { | ^~~~~~ drivers/gpu/drm/meson/meson_dw_mipi_dsi.c: In function 'meson_dw_mipi_dsi_host_attach': drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:230:9: warning: enumeration value 'MIPI_DSI_FMT_RGB101010' not handled in switch [-Wswitch] 230 | switch (device->format) { | ^~~~~~ vim +/MIPI_DSI_FMT_RGB101010 +113 drivers/gpu/drm/meson/meson_dw_mipi_dsi.c 77d9e1e6b8468f Neil Armstrong 2023-05-30 74 77d9e1e6b8468f Neil Armstrong 2023-05-30 75 static int dw_mipi_dsi_phy_init(void *priv_data) 77d9e1e6b8468f Neil Armstrong 2023-05-30 76 { 77d9e1e6b8468f Neil Armstrong 2023-05-30 77 struct meson_dw_mipi_dsi *mipi_dsi = priv_data; 77d9e1e6b8468f Neil Armstrong 2023-05-30 78 unsigned int dpi_data_format, venc_data_width; 77d9e1e6b8468f Neil Armstrong 2023-05-30 79 int ret; 77d9e1e6b8468f Neil Armstrong 2023-05-30 80 77d9e1e6b8468f Neil Armstrong 2023-05-30 81 /* Set the bit clock rate to hs_clk_rate */ 77d9e1e6b8468f Neil Armstrong 2023-05-30 82 ret = clk_set_rate(mipi_dsi->bit_clk, 77d9e1e6b8468f Neil Armstrong 2023-05-30 83 mipi_dsi->phy_opts.mipi_dphy.hs_clk_rate); 77d9e1e6b8468f Neil Armstrong 2023-05-30 84 if (ret) { 77d9e1e6b8468f Neil Armstrong 2023-05-30 85 dev_err(mipi_dsi->dev, "Failed to set DSI Bit clock rate %lu (ret %d)\n", 77d9e1e6b8468f Neil Armstrong 2023-05-30 86 mipi_dsi->phy_opts.mipi_dphy.hs_clk_rate, ret); 77d9e1e6b8468f Neil Armstrong 2023-05-30 87 return ret; 77d9e1e6b8468f Neil Armstrong 2023-05-30 88 } 77d9e1e6b8468f Neil Armstrong 2023-05-30 89 77d9e1e6b8468f Neil Armstrong 2023-05-30 90 /* Make sure the rate of the bit clock is not modified by someone else */ 77d9e1e6b8468f Neil Armstrong 2023-05-30 91 ret = clk_rate_exclusive_get(mipi_dsi->bit_clk); 77d9e1e6b8468f Neil Armstrong 2023-05-30 92 if (ret) { 77d9e1e6b8468f Neil Armstrong 2023-05-30 93 dev_err(mipi_dsi->dev, 77d9e1e6b8468f Neil Armstrong 2023-05-30 94 "Failed to set the exclusivity on the bit clock rate (ret %d)\n", ret); 77d9e1e6b8468f Neil Armstrong 2023-05-30 95 return ret; 77d9e1e6b8468f Neil Armstrong 2023-05-30 96 } 77d9e1e6b8468f Neil Armstrong 2023-05-30 97 5c9837374ecf55 Neil Armstrong 2024-04-03 98 clk_disable_unprepare(mipi_dsi->px_clk); 77d9e1e6b8468f Neil Armstrong 2023-05-30 99 ret = clk_set_rate(mipi_dsi->px_clk, mipi_dsi->mode->clock * 1000); 77d9e1e6b8468f Neil Armstrong 2023-05-30 100 77d9e1e6b8468f Neil Armstrong 2023-05-30 101 if (ret) { 77d9e1e6b8468f Neil Armstrong 2023-05-30 102 dev_err(mipi_dsi->dev, "Failed to set DSI Pixel clock rate %u (%d)\n", 77d9e1e6b8468f Neil Armstrong 2023-05-30 103 mipi_dsi->mode->clock * 1000, ret); 77d9e1e6b8468f Neil Armstrong 2023-05-30 104 return ret; 77d9e1e6b8468f Neil Armstrong 2023-05-30 105 } 77d9e1e6b8468f Neil Armstrong 2023-05-30 106 5c9837374ecf55 Neil Armstrong 2024-04-03 107 ret = clk_prepare_enable(mipi_dsi->px_clk); 5c9837374ecf55 Neil Armstrong 2024-04-03 108 if (ret) { 5c9837374ecf55 Neil Armstrong 2024-04-03 109 dev_err(mipi_dsi->dev, "Failed to enable DSI Pixel clock (ret %d)\n", ret); 5c9837374ecf55 Neil Armstrong 2024-04-03 110 return ret; 5c9837374ecf55 Neil Armstrong 2024-04-03 111 } 5c9837374ecf55 Neil Armstrong 2024-04-03 112 77d9e1e6b8468f Neil Armstrong 2023-05-30 @113 switch (mipi_dsi->dsi_device->format) { 77d9e1e6b8468f Neil Armstrong 2023-05-30 114 case MIPI_DSI_FMT_RGB888: 77d9e1e6b8468f Neil Armstrong 2023-05-30 115 dpi_data_format = DPI_COLOR_24BIT; 77d9e1e6b8468f Neil Armstrong 2023-05-30 116 venc_data_width = VENC_IN_COLOR_24B; 77d9e1e6b8468f Neil Armstrong 2023-05-30 117 break; 77d9e1e6b8468f Neil Armstrong 2023-05-30 118 case MIPI_DSI_FMT_RGB666: 77d9e1e6b8468f Neil Armstrong 2023-05-30 119 dpi_data_format = DPI_COLOR_18BIT_CFG_2; 77d9e1e6b8468f Neil Armstrong 2023-05-30 120 venc_data_width = VENC_IN_COLOR_18B; 77d9e1e6b8468f Neil Armstrong 2023-05-30 121 break; 77d9e1e6b8468f Neil Armstrong 2023-05-30 122 case MIPI_DSI_FMT_RGB666_PACKED: 77d9e1e6b8468f Neil Armstrong 2023-05-30 123 case MIPI_DSI_FMT_RGB565: 77d9e1e6b8468f Neil Armstrong 2023-05-30 124 return -EINVAL; e96f099c8544a5 Yang Li 2023-06-02 125 } 77d9e1e6b8468f Neil Armstrong 2023-05-30 126 77d9e1e6b8468f Neil Armstrong 2023-05-30 127 /* Configure color format for DPI register */ 77d9e1e6b8468f Neil Armstrong 2023-05-30 128 writel_relaxed(FIELD_PREP(MIPI_DSI_TOP_DPI_COLOR_MODE, dpi_data_format) | 77d9e1e6b8468f Neil Armstrong 2023-05-30 129 FIELD_PREP(MIPI_DSI_TOP_IN_COLOR_MODE, venc_data_width) | 77d9e1e6b8468f Neil Armstrong 2023-05-30 130 FIELD_PREP(MIPI_DSI_TOP_COMP2_SEL, 2) | 77d9e1e6b8468f Neil Armstrong 2023-05-30 131 FIELD_PREP(MIPI_DSI_TOP_COMP1_SEL, 1) | 77d9e1e6b8468f Neil Armstrong 2023-05-30 132 FIELD_PREP(MIPI_DSI_TOP_COMP0_SEL, 0), 77d9e1e6b8468f Neil Armstrong 2023-05-30 133 mipi_dsi->base + MIPI_DSI_TOP_CNTL); 77d9e1e6b8468f Neil Armstrong 2023-05-30 134 77d9e1e6b8468f Neil Armstrong 2023-05-30 135 return phy_configure(mipi_dsi->phy, &mipi_dsi->phy_opts); 77d9e1e6b8468f Neil Armstrong 2023-05-30 136 } 77d9e1e6b8468f Neil Armstrong 2023-05-30 137 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki