[chrome-os:chromeos-5.10 1/1] drivers/gpu/drm/evdi/evdi_painter.c:686:12: sparse: sparse: symbol 'dpms_str' was not declared. Should it be static?

[chrome-os:chromeos-5.10 1/1] drivers/gpu/drm/evdi/evdi_painter.c:686:12: sparse: sparse: symbol 'dpms_str' was not declared. Should it be static?

[kernel test robot]

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tree:   https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.10
head:   ae25dd46c5c2fecb4868af3a91418dea519deac9
commit: ae25dd46c5c2fecb4868af3a91418dea519deac9 [1/1] CHROMIUM: Import latest evdi driver
config: i386-randconfig-s002-20211113 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel
        git fetch --no-tags chrome-os chromeos-5.10
        git checkout ae25dd46c5c2fecb4868af3a91418dea519deac9
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/evdi/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


sparse warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/evdi/evdi_painter.c:686:12: sparse: sparse: symbol 'dpms_str' was not declared. Should it be static?
   drivers/gpu/drm/evdi/evdi_painter.c:965:49: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const [noderef] __user *edid_data @@     got unsigned char const *[noderef] edid @@
   drivers/gpu/drm/evdi/evdi_painter.c:965:49: sparse:     expected void const [noderef] __user *edid_data
   drivers/gpu/drm/evdi/evdi_painter.c:965:49: sparse:     got unsigned char const *[noderef] edid
   drivers/gpu/drm/evdi/evdi_painter.c:1333:54: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const [noderef] __user *from @@     got unsigned char const *[noderef] buffer @@
   drivers/gpu/drm/evdi/evdi_painter.c:1333:54: sparse:     expected void const [noderef] __user *from
   drivers/gpu/drm/evdi/evdi_painter.c:1333:54: sparse:     got unsigned char const *[noderef] buffer
   drivers/gpu/drm/evdi/evdi_painter.c:965:46: sparse: sparse: dereference of noderef expression
   drivers/gpu/drm/evdi/evdi_painter.c:1333:51: sparse: sparse: dereference of noderef expression
   drivers/gpu/drm/evdi/evdi_painter.c:1333:51: sparse: sparse: dereference of noderef expression

Please review and possibly fold the followup patch.

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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[RFC PATCH chrome-os] CHROMIUM: dpms_str[] can be static

[kernel test robot]

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drivers/gpu/drm/evdi/evdi_painter.c:686:12: warning: symbol 'dpms_str' was not declared. Should it be static?

Fixes: ae25dd46c5c2 ("CHROMIUM: Import latest evdi driver")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
---
 evdi_painter.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/evdi/evdi_painter.c b/drivers/gpu/drm/evdi/evdi_painter.c
index 03c8f33b4298f..dd318512844a2 100644
--- a/drivers/gpu/drm/evdi/evdi_painter.c
+++ b/drivers/gpu/drm/evdi/evdi_painter.c
@@ -683,7 +683,7 @@ void evdi_painter_send_update_ready_if_needed(struct evdi_painter *painter)
 	}
 }
 
-const char *dpms_str[] = { "on", "standby", "suspend", "off" };
+static const char *dpms_str[] = { "on", "standby", "suspend", "off" };
 
 void evdi_painter_dpms_notify(struct evdi_device *evdi, int mode)
 {