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X-CSE-ConnectionGUID: fYQd/U7zQDqUBUB0lMEb2w== X-CSE-MsgGUID: iuzEiirfTxiwAgzz2/Ms7Q== X-IronPort-AV: E=McAfee;i="6800,10657,11630"; a="69223297" X-IronPort-AV: E=Sophos;i="6.20,242,1758610800"; d="scan'208";a="69223297" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by fmvoesa107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Dec 2025 02:06:21 -0800 X-CSE-ConnectionGUID: PITpErWwRNmDgKnxiyeQcw== X-CSE-MsgGUID: 4OdsEXdETKmHXxBiAj8Kiw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,242,1758610800"; d="scan'208";a="217680052" Received: from lkp-server01.sh.intel.com (HELO 4664bbef4914) ([10.239.97.150]) by fmviesa002.fm.intel.com with ESMTP; 02 Dec 2025 02:06:15 -0800 Received: from kbuild by 4664bbef4914 with local (Exim 4.98.2) (envelope-from ) id 1vQNGv-000000009fR-1YFs; Tue, 02 Dec 2025 10:06:13 +0000 Date: Tue, 2 Dec 2025 18:06:03 +0800 From: kernel test robot To: Marco Felsch , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Peng Fan , Liu Ying , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Marco Felsch Subject: Re: [PATCH v6 2/3] drm/bridge: imx: Add i.MX93 parallel display format configuration support Message-ID: <202512021733.cIbkorvY-lkp@intel.com> References: <20251201-v6-18-topic-imx93-parallel-display-v6-2-7b056e1e5b1e@pengutronix.de> Precedence: bulk X-Mailing-List: linux-kernel@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: <20251201-v6-18-topic-imx93-parallel-display-v6-2-7b056e1e5b1e@pengutronix.de> Hi Marco, kernel test robot noticed the following build errors: [auto build test ERROR on 3a8660878839faadb4f1a6dd72c3179c1df56787] url: https://github.com/intel-lab-lkp/linux/commits/Marco-Felsch/dt-bindings-soc-imx93-media-blk-ctrl-Add-PDFC-subnode-to-schema-and-example/20251202-011707 base: 3a8660878839faadb4f1a6dd72c3179c1df56787 patch link: https://lore.kernel.org/r/20251201-v6-18-topic-imx93-parallel-display-v6-2-7b056e1e5b1e%40pengutronix.de patch subject: [PATCH v6 2/3] drm/bridge: imx: Add i.MX93 parallel display format configuration support config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20251202/202512021733.cIbkorvY-lkp@intel.com/config) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251202/202512021733.cIbkorvY-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/202512021733.cIbkorvY-lkp@intel.com/ All errors (new ones prefixed by >>): >> drivers/gpu/drm/bridge/imx/imx93-pdfc.c:55:9: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 55 | val = FORMAT_RGB888_TO_RGB888; | ^ drivers/gpu/drm/bridge/imx/imx93-pdfc.c:21:34: note: expanded from macro 'FORMAT_RGB888_TO_RGB888' 21 | #define FORMAT_RGB888_TO_RGB888 FIELD_PREP(PARALLEL_DISP_FORMAT, 0) | ^ 1 error generated. vim +/FIELD_PREP +55 drivers/gpu/drm/bridge/imx/imx93-pdfc.c 42 43 static void imx93_pdfc_bridge_atomic_enable(struct drm_bridge *bridge, 44 struct drm_atomic_state *state) 45 { 46 struct imx93_pdfc *pdfc = bridge->driver_private; 47 const struct drm_bridge_state *bridge_state; 48 unsigned int mask = PARALLEL_DISP_FORMAT; 49 unsigned int val; 50 51 bridge_state = drm_atomic_get_new_bridge_state(state, bridge); 52 53 switch (bridge_state->output_bus_cfg.format) { 54 case MEDIA_BUS_FMT_RGB888_1X24: > 55 val = FORMAT_RGB888_TO_RGB888; 56 if (pdfc->phy_bus_width == 18) { 57 /* 58 * Can be valid if physical bus limitation exist, 59 * therefore use dev_dbg(). 60 */ 61 dev_dbg(pdfc->dev, "Truncate two LSBs from each color\n"); 62 val = FORMAT_RGB888_TO_RGB666; 63 } 64 break; 65 case MEDIA_BUS_FMT_RGB666_1X18: 66 val = FORMAT_RGB888_TO_RGB666; 67 break; 68 case MEDIA_BUS_FMT_RGB565_1X16: 69 val = FORMAT_RGB565_TO_RGB565; 70 break; 71 } 72 73 regmap_update_bits(pdfc->regmap, pdfc->disp_mux_reg_off, mask, val); 74 } 75 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki