3:55 p.m.
Hi John,
FYI, the error/warning still remains.
tree: https://android.googlesource.com/kernel/common android12-5.10-2021-08
head: fe9069667a5af7b74caa501c945d7482d324e9e5
commit: 34ebaf13befc0cd9274a190affbeae8e94f16ced [5024/10760] ANDROID: drm: kirin:
Introduce kirin960
config: arm64-randconfig-r015-20211012 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project
adf55ac6657693f7bfbe3087b599b4031a765a44)
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 arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
git remote add android-common https://android.googlesource.com/kernel/common
git fetch --no-tags android-common android12-5.10-2021-08
git checkout 34ebaf13befc0cd9274a190affbeae8e94f16ced
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=arm64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
> drivers/gpu/drm/hisilicon/kirin/kirin_drm_dsi.c:33:6: warning: no
previous prototype for function 'dsi_set_output_client' [-Wmissing-prototypes]
void dsi_set_output_client(struct drm_device *dev)
^
drivers/gpu/drm/hisilicon/kirin/kirin_drm_dsi.c:33:1: note: declare 'static' if
the function is not intended to be used outside of this translation unit
void dsi_set_output_client(struct drm_device *dev)
^
static
1 warning generated.
vim +/dsi_set_output_client +33 drivers/gpu/drm/hisilicon/kirin/kirin_drm_dsi.c
32
33 void dsi_set_output_client(struct drm_device *dev)
34 {
35 enum dsi_output_client client;
36 struct drm_connector *connector;
37 struct drm_encoder *encoder;
38 struct drm_connector_list_iter conn_iter;
39 struct dw_dsi *dsi;
40
41 mutex_lock(&dev->mode_config.mutex);
42
43 /* find dsi encoder */
44 drm_for_each_encoder(encoder, dev)
45 if (encoder->encoder_type == DRM_MODE_ENCODER_DSI)
46 break;
47 dsi = encoder_to_dsi(encoder);
48
49 /* find HDMI connector */
50 drm_connector_list_iter_begin(dev, &conn_iter);
51 drm_for_each_connector_iter(connector, &conn_iter)
52 if (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA)
53 break;
54 drm_connector_list_iter_end(&conn_iter);
55
56 /*
57 * set the proper dsi output client
58 */
59 client = connector->status == connector_status_connected ? OUT_HDMI :
60 OUT_PANEL;
61 if (client != dsi->cur_client) {
62 /*
63 * set the switch ic to select the HDMI or MIPI_DSI
64 */
65 if (hisi_dsi_ops->version == KIRIN960_DSI)
66 gpiod_set_value_cansleep(dsi->gpio_mux, client);
67
68 dsi->cur_client = client;
69 /* let the userspace know panel connector status has changed */
70 drm_sysfs_hotplug_event(dev);
71 DRM_INFO("client change to %s\n",
72 client == OUT_HDMI ? "HDMI" : "panel");
73 }
74
75 mutex_unlock(&dev->mode_config.mutex);
76 }
77 EXPORT_SYMBOL_GPL(dsi_set_output_client);
78 /************************for the panel attach to dsi*****************************/
79 static int dsi_connector_get_modes(struct drm_connector *connector)
80 {
81 struct dw_dsi *dsi = connector_to_dsi(connector);
82
83 return drm_panel_get_modes(dsi->panel, connector);
84 }
85
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org