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Message-ID: <202108050254.XlyBWC2J-lkp@intel.com>
Date: Thu, 5 Aug 2021 02:16:59 +0800
From: kernel test robot <lkp@...el.com>
To: Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [pinchartl-media:drm/du/compile-test 9/14]
drivers/gpu/drm/imx/dcss/dcss-kms.c:94:8: error: implicit declaration of
function 'drm_bridge_attach'
Hi Laurent,
First bad commit (maybe != root cause):
tree: git://linuxtv.org/pinchartl/media.git drm/du/compile-test
head: 660500b4c311c0e60c5a05c603767cb4cac44751
commit: e112c91ed85ff80dd6731b9eb7ded6c34e0b854a [9/14] drm/imx/dcss: Enable COMPILE_TEST on all architectures
config: i386-buildonly-randconfig-r004-20210804 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
git remote add pinchartl-media git://linuxtv.org/pinchartl/media.git
git fetch --no-tags pinchartl-media drm/du/compile-test
git checkout e112c91ed85ff80dd6731b9eb7ded6c34e0b854a
# save the attached .config to linux build tree
make W=1 ARCH=i386
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
drivers/gpu/drm/imx/dcss/dcss-kms.c: In function 'dcss_kms_bridge_connector_init':
>> drivers/gpu/drm/imx/dcss/dcss-kms.c:94:8: error: implicit declaration of function 'drm_bridge_attach' [-Werror=implicit-function-declaration]
94 | ret = drm_bridge_attach(encoder, bridge, NULL,
| ^~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/imx/dcss/dcss-kms.c:95:5: error: 'DRM_BRIDGE_ATTACH_NO_CONNECTOR' undeclared (first use in this function)
95 | DRM_BRIDGE_ATTACH_NO_CONNECTOR);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/imx/dcss/dcss-kms.c:95:5: note: each undeclared identifier is reported only once for each function it appears in
cc1: some warnings being treated as errors
vim +/drm_bridge_attach +94 drivers/gpu/drm/imx/dcss/dcss-kms.c
9021c317b77024f Laurentiu Palcu 2020-07-31 64
e7033bdfd43b852 Laurentiu Palcu 2020-07-31 65 static int dcss_kms_bridge_connector_init(struct dcss_kms_dev *kms)
9021c317b77024f Laurentiu Palcu 2020-07-31 66 {
9021c317b77024f Laurentiu Palcu 2020-07-31 67 struct drm_device *ddev = &kms->base;
9021c317b77024f Laurentiu Palcu 2020-07-31 68 struct drm_encoder *encoder = &kms->encoder;
9021c317b77024f Laurentiu Palcu 2020-07-31 69 struct drm_crtc *crtc = (struct drm_crtc *)&kms->crtc;
9021c317b77024f Laurentiu Palcu 2020-07-31 70 struct drm_panel *panel;
9021c317b77024f Laurentiu Palcu 2020-07-31 71 struct drm_bridge *bridge;
9021c317b77024f Laurentiu Palcu 2020-07-31 72 int ret;
9021c317b77024f Laurentiu Palcu 2020-07-31 73
9021c317b77024f Laurentiu Palcu 2020-07-31 74 ret = drm_of_find_panel_or_bridge(ddev->dev->of_node, 0, 0,
9021c317b77024f Laurentiu Palcu 2020-07-31 75 &panel, &bridge);
9021c317b77024f Laurentiu Palcu 2020-07-31 76 if (ret)
9021c317b77024f Laurentiu Palcu 2020-07-31 77 return ret;
9021c317b77024f Laurentiu Palcu 2020-07-31 78
9021c317b77024f Laurentiu Palcu 2020-07-31 79 if (!bridge) {
9021c317b77024f Laurentiu Palcu 2020-07-31 80 dev_err(ddev->dev, "No bridge found %d.\n", ret);
9021c317b77024f Laurentiu Palcu 2020-07-31 81 return -ENODEV;
9021c317b77024f Laurentiu Palcu 2020-07-31 82 }
9021c317b77024f Laurentiu Palcu 2020-07-31 83
9021c317b77024f Laurentiu Palcu 2020-07-31 84 encoder->possible_crtcs = drm_crtc_mask(crtc);
9021c317b77024f Laurentiu Palcu 2020-07-31 85
9021c317b77024f Laurentiu Palcu 2020-07-31 86 ret = drm_encoder_init(&kms->base, encoder,
9021c317b77024f Laurentiu Palcu 2020-07-31 87 &dcss_kms_simple_encoder_funcs,
9021c317b77024f Laurentiu Palcu 2020-07-31 88 DRM_MODE_ENCODER_NONE, NULL);
9021c317b77024f Laurentiu Palcu 2020-07-31 89 if (ret) {
9021c317b77024f Laurentiu Palcu 2020-07-31 90 dev_err(ddev->dev, "Failed initializing encoder %d.\n", ret);
9021c317b77024f Laurentiu Palcu 2020-07-31 91 return ret;
9021c317b77024f Laurentiu Palcu 2020-07-31 92 }
9021c317b77024f Laurentiu Palcu 2020-07-31 93
e7033bdfd43b852 Laurentiu Palcu 2020-07-31 @94 ret = drm_bridge_attach(encoder, bridge, NULL,
e7033bdfd43b852 Laurentiu Palcu 2020-07-31 @95 DRM_BRIDGE_ATTACH_NO_CONNECTOR);
fb8d617f8fd64f5 Laurent Pinchart 2021-03-23 96 if (ret < 0)
e7033bdfd43b852 Laurentiu Palcu 2020-07-31 97 return ret;
e7033bdfd43b852 Laurentiu Palcu 2020-07-31 98
e7033bdfd43b852 Laurentiu Palcu 2020-07-31 99 kms->connector = drm_bridge_connector_init(ddev, encoder);
e7033bdfd43b852 Laurentiu Palcu 2020-07-31 100 if (IS_ERR(kms->connector)) {
e7033bdfd43b852 Laurentiu Palcu 2020-07-31 101 dev_err(ddev->dev, "Unable to create bridge connector.\n");
e7033bdfd43b852 Laurentiu Palcu 2020-07-31 102 return PTR_ERR(kms->connector);
e7033bdfd43b852 Laurentiu Palcu 2020-07-31 103 }
e7033bdfd43b852 Laurentiu Palcu 2020-07-31 104
e7033bdfd43b852 Laurentiu Palcu 2020-07-31 105 drm_connector_attach_encoder(kms->connector, encoder);
e7033bdfd43b852 Laurentiu Palcu 2020-07-31 106
e7033bdfd43b852 Laurentiu Palcu 2020-07-31 107 return 0;
9021c317b77024f Laurentiu Palcu 2020-07-31 108 }
9021c317b77024f Laurentiu Palcu 2020-07-31 109
:::::: The code at line 94 was first introduced by commit
:::::: e7033bdfd43b85281b63d281b4dad3b9119f4427 drm/imx/dcss: use drm_bridge_connector API
:::::: TO: Laurentiu Palcu <laurentiu.palcu@....com>
:::::: CC: Lucas Stach <l.stach@...gutronix.de>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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