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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 83C1EC433F5 for ; Wed, 23 Feb 2022 22:20:56 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id ACF6A8D0002; Wed, 23 Feb 2022 17:20:55 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id A57D08D0001; Wed, 23 Feb 2022 17:20:55 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8F8218D0002; Wed, 23 Feb 2022 17:20:55 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0091.hostedemail.com [216.40.44.91]) by kanga.kvack.org (Postfix) with ESMTP id 61B938D0001 for ; Wed, 23 Feb 2022 17:20:55 -0500 (EST) Received: from smtpin30.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id D9A4C9D647 for ; Wed, 23 Feb 2022 22:20:54 +0000 (UTC) X-FDA: 79175465628.30.2C46986 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by imf10.hostedemail.com (Postfix) with ESMTP id DA7C8C0003 for ; Wed, 23 Feb 2022 22:20:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1645654853; x=1677190853; h=date:from:to:cc:subject:message-id:mime-version; bh=m2p/nOgixjwFZC/QmxBx/moRMfES1GT0Gz3FgfwIZj0=; b=LrmbbpnPFJ2JRj1Rc/WRd15Y352WD64q4DZjkgr4BvfIVf6KeiySG7Oq BsrIVmKR/hZspXYQcUwWPO64FsHHO0bKExpedhBf+08N4SsaV7jFfPIWN z7syDG+tnDafWjGBVWDM2kQuS00KzR1MmxISOS5px7gE1B5MkVFQRzsQH +CsPwhGmZPWd8z26TCjK5nlpzqtILS+oD4I2Q9/CSON0RGu1UUBcNEKN6 eRO71FMRQYasCDjLdi81bdrcF2wTqa9zwtjOv2Pa4BaUzKpQ4nO7CC5AE fBJYsugxhPFe6uuXdyhPZHJKYZGo4ADsvz29wcglshgXSUuJwW/2NTtaI Q==; X-IronPort-AV: E=McAfee;i="6200,9189,10267"; a="232066573" X-IronPort-AV: E=Sophos;i="5.88,392,1635231600"; d="scan'208";a="232066573" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Feb 2022 14:20:52 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,392,1635231600"; d="scan'208";a="707212395" Received: from lkp-server01.sh.intel.com (HELO 788b1cd46f0d) ([10.239.97.150]) by orsmga005.jf.intel.com with ESMTP; 23 Feb 2022 14:20:50 -0800 Received: from kbuild by 788b1cd46f0d with local (Exim 4.92) (envelope-from ) id 1nN009-0001t8-Ug; Wed, 23 Feb 2022 22:20:49 +0000 Date: Thu, 24 Feb 2022 06:20:43 +0800 From: kernel test robot To: Jani Nikula Cc: kbuild-all@lists.01.org, Linux Memory Management List Subject: [linux-next:master 4991/7526] drivers/gpu/drm/i915/gvt/kvmgt.c:595:10: error: implicit declaration of function 'drm_edid_block_valid' Message-ID: <202202240620.tqMKhkvP-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) Authentication-Results: imf10.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=LrmbbpnP; dmarc=pass (policy=none) header.from=intel.com; spf=none (imf10.hostedemail.com: domain of lkp@intel.com has no SPF policy when checking 192.55.52.136) smtp.mailfrom=lkp@intel.com X-Rspam-User: X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: DA7C8C0003 X-Stat-Signature: bw8isna1gkk9e4uyfsa44ui5girqyjq7 X-HE-Tag: 1645654853-184057 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 196d330d7fb1e7cc0d85641c89ce4602cb36f12e commit: 01b94a9361680d6582dcc2a73a9eb464e0e40888 [4991/7526] drm/i915: include some drm headers only where needed config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20220224/202202240620.tqMKhkvP-lkp@intel.com/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=01b94a9361680d6582dcc2a73a9eb464e0e40888 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 01b94a9361680d6582dcc2a73a9eb464e0e40888 # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot Note: the linux-next/master HEAD 196d330d7fb1e7cc0d85641c89ce4602cb36f12e builds fine. It may have been fixed somewhere. All errors (new ones prefixed by >>): drivers/gpu/drm/i915/gvt/kvmgt.c: In function 'handle_edid_regs': >> drivers/gpu/drm/i915/gvt/kvmgt.c:595:10: error: implicit declaration of function 'drm_edid_block_valid' [-Werror=implicit-function-declaration] 595 | if (!drm_edid_block_valid( | ^~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/drm_edid_block_valid +595 drivers/gpu/drm/i915/gvt/kvmgt.c b851adeac0858c Tina Zhang 2017-11-20 576 39c68e87bc50a7 Hang Yuan 2019-01-30 577 static int handle_edid_regs(struct intel_vgpu *vgpu, 39c68e87bc50a7 Hang Yuan 2019-01-30 578 struct vfio_edid_region *region, char *buf, 39c68e87bc50a7 Hang Yuan 2019-01-30 579 size_t count, u16 offset, bool is_write) 39c68e87bc50a7 Hang Yuan 2019-01-30 580 { 39c68e87bc50a7 Hang Yuan 2019-01-30 581 struct vfio_region_gfx_edid *regs = ®ion->vfio_edid_regs; 39c68e87bc50a7 Hang Yuan 2019-01-30 582 unsigned int data; 39c68e87bc50a7 Hang Yuan 2019-01-30 583 39c68e87bc50a7 Hang Yuan 2019-01-30 584 if (offset + count > sizeof(*regs)) 39c68e87bc50a7 Hang Yuan 2019-01-30 585 return -EINVAL; 39c68e87bc50a7 Hang Yuan 2019-01-30 586 39c68e87bc50a7 Hang Yuan 2019-01-30 587 if (count != 4) 39c68e87bc50a7 Hang Yuan 2019-01-30 588 return -EINVAL; 39c68e87bc50a7 Hang Yuan 2019-01-30 589 39c68e87bc50a7 Hang Yuan 2019-01-30 590 if (is_write) { 39c68e87bc50a7 Hang Yuan 2019-01-30 591 data = *((unsigned int *)buf); 39c68e87bc50a7 Hang Yuan 2019-01-30 592 switch (offset) { 39c68e87bc50a7 Hang Yuan 2019-01-30 593 case offsetof(struct vfio_region_gfx_edid, link_state): 39c68e87bc50a7 Hang Yuan 2019-01-30 594 if (data == VFIO_DEVICE_GFX_LINK_STATE_UP) { 39c68e87bc50a7 Hang Yuan 2019-01-30 @595 if (!drm_edid_block_valid( 39c68e87bc50a7 Hang Yuan 2019-01-30 596 (u8 *)region->edid_blob, 39c68e87bc50a7 Hang Yuan 2019-01-30 597 0, 39c68e87bc50a7 Hang Yuan 2019-01-30 598 true, 39c68e87bc50a7 Hang Yuan 2019-01-30 599 NULL)) { 39c68e87bc50a7 Hang Yuan 2019-01-30 600 gvt_vgpu_err("invalid EDID blob\n"); 39c68e87bc50a7 Hang Yuan 2019-01-30 601 return -EINVAL; 39c68e87bc50a7 Hang Yuan 2019-01-30 602 } 39c68e87bc50a7 Hang Yuan 2019-01-30 603 intel_gvt_ops->emulate_hotplug(vgpu, true); 39c68e87bc50a7 Hang Yuan 2019-01-30 604 } else if (data == VFIO_DEVICE_GFX_LINK_STATE_DOWN) 39c68e87bc50a7 Hang Yuan 2019-01-30 605 intel_gvt_ops->emulate_hotplug(vgpu, false); 39c68e87bc50a7 Hang Yuan 2019-01-30 606 else { 39c68e87bc50a7 Hang Yuan 2019-01-30 607 gvt_vgpu_err("invalid EDID link state %d\n", 39c68e87bc50a7 Hang Yuan 2019-01-30 608 regs->link_state); 39c68e87bc50a7 Hang Yuan 2019-01-30 609 return -EINVAL; 39c68e87bc50a7 Hang Yuan 2019-01-30 610 } 39c68e87bc50a7 Hang Yuan 2019-01-30 611 regs->link_state = data; 39c68e87bc50a7 Hang Yuan 2019-01-30 612 break; 39c68e87bc50a7 Hang Yuan 2019-01-30 613 case offsetof(struct vfio_region_gfx_edid, edid_size): 39c68e87bc50a7 Hang Yuan 2019-01-30 614 if (data > regs->edid_max_size) { 39c68e87bc50a7 Hang Yuan 2019-01-30 615 gvt_vgpu_err("EDID size is bigger than %d!\n", 39c68e87bc50a7 Hang Yuan 2019-01-30 616 regs->edid_max_size); 39c68e87bc50a7 Hang Yuan 2019-01-30 617 return -EINVAL; 39c68e87bc50a7 Hang Yuan 2019-01-30 618 } 39c68e87bc50a7 Hang Yuan 2019-01-30 619 regs->edid_size = data; 39c68e87bc50a7 Hang Yuan 2019-01-30 620 break; 39c68e87bc50a7 Hang Yuan 2019-01-30 621 default: 39c68e87bc50a7 Hang Yuan 2019-01-30 622 /* read-only regs */ 39c68e87bc50a7 Hang Yuan 2019-01-30 623 gvt_vgpu_err("write read-only EDID region at offset %d\n", 39c68e87bc50a7 Hang Yuan 2019-01-30 624 offset); 39c68e87bc50a7 Hang Yuan 2019-01-30 625 return -EPERM; 39c68e87bc50a7 Hang Yuan 2019-01-30 626 } 39c68e87bc50a7 Hang Yuan 2019-01-30 627 } else { 39c68e87bc50a7 Hang Yuan 2019-01-30 628 memcpy(buf, (char *)regs + offset, count); 39c68e87bc50a7 Hang Yuan 2019-01-30 629 } 39c68e87bc50a7 Hang Yuan 2019-01-30 630 39c68e87bc50a7 Hang Yuan 2019-01-30 631 return count; 39c68e87bc50a7 Hang Yuan 2019-01-30 632 } 39c68e87bc50a7 Hang Yuan 2019-01-30 633 :::::: The code at line 595 was first introduced by commit :::::: 39c68e87bc50a71bcfe93582d9b0673ef30db418 drm/i915/gvt: add VFIO EDID region :::::: TO: Hang Yuan :::::: CC: Zhenyu Wang --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org