Re: [Intel-gfx] [PATCH v6 3/3] drm/i915/dp: Expose connector VRR monitor range via debugfs

2020-06-15 Thread kernel test robot
Hi Manasi,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on drm-intel/for-linux-next]
[also build test WARNING on drm-tip/drm-tip drm-exynos/exynos-drm-next 
linus/master next-20200613]
[cannot apply to tegra-drm/drm/tegra/for-next drm/drm-next v5.7]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:
https://github.com/0day-ci/linux/commits/Manasi-Navare/VRR-capable-attach-prop-in-i915-DPCD-helper-VRR-debugfs/20200613-070517
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
:: branch date: 2 days ago
:: commit date: 2 days ago
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot 


cppcheck warnings: (new ones prefixed by >>)

>> drivers/gpu/drm/i915/display/intel_display_debugfs.c:2258:0: warning: 
>> Invalid number of character '{' when no macros are defined. [syntaxError]
   
   ^
>> drivers/gpu/drm/i915/display/intel_display_debugfs.c:2258:0: warning: 
>> Invalid number of character '{' when these macros are defined: 
>> 'CONFIG_DEBUG_FS'. [syntaxError]
   
   ^
>> drivers/gpu/drm/i915/display/intel_display_debugfs.c:2258:0: warning: 
>> Invalid number of character '{' when these macros are defined: 
>> 'CONFIG_DRM_FBDEV_EMULATION'. [syntaxError]
   
   ^

# 
https://github.com/0day-ci/linux/commit/670af3cf7a3a36bb87776fbfd7f913cd33681bbc
git remote add linux-review https://github.com/0day-ci/linux
git remote update linux-review
git checkout 670af3cf7a3a36bb87776fbfd7f913cd33681bbc
vim +2258 drivers/gpu/drm/i915/display/intel_display_debugfs.c

670af3cf7a3a36 Bhanuprakash Modem 2020-06-12  2202  
926b005cd8c4e3 Jani Nikula2020-02-11  2203  /**
926b005cd8c4e3 Jani Nikula2020-02-11  2204   * 
intel_connector_debugfs_add - add i915 specific connector debugfs files
926b005cd8c4e3 Jani Nikula2020-02-11  2205   * @connector: pointer to a 
registered drm_connector
926b005cd8c4e3 Jani Nikula2020-02-11  2206   *
926b005cd8c4e3 Jani Nikula2020-02-11  2207   * Cleanup will be done by 
drm_connector_unregister() through a call to
926b005cd8c4e3 Jani Nikula2020-02-11  2208   * 
drm_debugfs_connector_remove().
926b005cd8c4e3 Jani Nikula2020-02-11  2209   *
926b005cd8c4e3 Jani Nikula2020-02-11  2210   * Returns 0 on success, 
negative error codes on error.
926b005cd8c4e3 Jani Nikula2020-02-11  2211   */
926b005cd8c4e3 Jani Nikula2020-02-11  2212  int 
intel_connector_debugfs_add(struct drm_connector *connector)
926b005cd8c4e3 Jani Nikula2020-02-11  2213  {
926b005cd8c4e3 Jani Nikula2020-02-11  2214  struct dentry *root = 
connector->debugfs_entry;
926b005cd8c4e3 Jani Nikula2020-02-11  2215  struct drm_i915_private 
*dev_priv = to_i915(connector->dev);
926b005cd8c4e3 Jani Nikula2020-02-11  2216  
926b005cd8c4e3 Jani Nikula2020-02-11  2217  /* The connector must 
have been registered beforehands. */
926b005cd8c4e3 Jani Nikula2020-02-11  2218  if (!root)
926b005cd8c4e3 Jani Nikula2020-02-11  2219  return -ENODEV;
926b005cd8c4e3 Jani Nikula2020-02-11  2220  
926b005cd8c4e3 Jani Nikula2020-02-11  2221  if 
(connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
926b005cd8c4e3 Jani Nikula2020-02-11    
debugfs_create_file("i915_panel_timings", S_IRUGO, root,
926b005cd8c4e3 Jani Nikula2020-02-11  2223  
connector, _panel_fops);
926b005cd8c4e3 Jani Nikula2020-02-11  2224  
debugfs_create_file("i915_psr_sink_status", S_IRUGO, root,
926b005cd8c4e3 Jani Nikula2020-02-11  2225  
connector, _psr_sink_status_fops);
926b005cd8c4e3 Jani Nikula2020-02-11  2226  }
926b005cd8c4e3 Jani Nikula2020-02-11  2227  
926b005cd8c4e3 Jani Nikula2020-02-11  2228  if 
(connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
926b005cd8c4e3 Jani Nikula2020-02-11  2229  
connector->connector_type == DRM_MODE_CONNECTOR_HDMIA ||
926b005cd8c4e3 Jani Nikula2020-02-11  2230  
connector->connector_type == DRM_MODE_CONNECTOR_HDMIB) {
926b005cd8c4e3 Jani Nikula2020-02-11  2231  
debugfs_create_file("i915_hdcp_sink_capability", S_IRUGO, root,
926b005cd8c4e3 Jani Nikula2020-02-11  2232  
connector, _hdcp_sink_capability_fops);
926b005cd8c4e3 Jani Nikula2020-02-11  2233  }
926b005cd8c4e3 Jani Nikula2020-02-11  2234  
926b005cd8c4e3 Jani Nikula2020-02-11  2235  if (INTEL_GEN(dev_priv) 
>= 10 &&
926b005cd8c4e3 Jani Nikula2020-02-11  2236  

Re: [Intel-gfx] [PATCH v6 3/3] drm/i915/dp: Expose connector VRR monitor range via debugfs

2020-06-12 Thread kernel test robot
Hi Manasi,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on drm-intel/for-linux-next]
[also build test ERROR on drm-tip/drm-tip drm-exynos/exynos-drm-next 
linus/master next-20200612]
[cannot apply to tegra-drm/drm/tegra/for-next drm/drm-next v5.7]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:
https://github.com/0day-ci/linux/commits/Manasi-Navare/VRR-capable-attach-prop-in-i915-DPCD-helper-VRR-debugfs/20200613-070517
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: x86_64-randconfig-a014-20200613 (attached as .config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build):
# save the attached .config to linux build tree
make W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot 

All errors (new ones prefixed by >>, old ones prefixed by <<):

drivers/gpu/drm/i915/display/intel_display_debugfs.c: In function 
'intel_connector_debugfs_add':
>> drivers/gpu/drm/i915/display/intel_display_debugfs.c:2235:2: error: this 
>> 'if' clause does not guard... [-Werror=misleading-indentation]
if (INTEL_GEN(dev_priv) >= 10 &&
^~
drivers/gpu/drm/i915/display/intel_display_debugfs.c:2241:3: note: ...this 
statement, but the latter is misleadingly indented as if it were guarded by the 
'if'
if (INTEL_GEN(dev_priv) >= 12)
^~
drivers/gpu/drm/i915/display/intel_display_debugfs.c: At top level:
drivers/gpu/drm/i915/display/intel_display_debugfs.c:2247:2: error: expected 
identifier or '(' before 'if'
if ((INTEL_GEN(dev_priv) >= 9 || IS_HASWELL(dev_priv) ||
^~
drivers/gpu/drm/i915/display/intel_display_debugfs.c:2257:2: error: expected 
identifier or '(' before 'return'
return 0;
^~
drivers/gpu/drm/i915/display/intel_display_debugfs.c:2258:1: error: expected 
identifier or '(' before '}' token
}
^
drivers/gpu/drm/i915/display/intel_display_debugfs.c: In function 
'intel_connector_debugfs_add':
drivers/gpu/drm/i915/display/intel_display_debugfs.c:2244:2: error: control 
reaches end of non-void function [-Werror=return-type]
}
^
In file included from include/drm/drm_debugfs.h:36:0,
from drivers/gpu/drm/i915/display/intel_display_debugfs.c:6:
At top level:
>> drivers/gpu/drm/i915/display/intel_display_debugfs.c:2081:23: error: 
>> 'i915_lpsp_capability_fops' defined but not used 
>> [-Werror=unused-const-variable=]
DEFINE_SHOW_ATTRIBUTE(i915_lpsp_capability);
^
include/linux/seq_file.h:154:37: note: in definition of macro 
'DEFINE_SHOW_ATTRIBUTE'
static const struct file_operations __name ## _fops = { 
  ^~
cc1: all warnings being treated as errors

vim +/if +2235 drivers/gpu/drm/i915/display/intel_display_debugfs.c

926b005cd8c4e3 Jani Nikula2020-02-11  2040  
8806211fe7b306 Anshuman Gupta 2020-04-15  2041  #define LPSP_CAPABLE(COND) 
(COND ? seq_puts(m, "LPSP: capable\n") : \
8806211fe7b306 Anshuman Gupta 2020-04-15  2042  
seq_puts(m, "LPSP: incapable\n"))
8806211fe7b306 Anshuman Gupta 2020-04-15  2043  
8806211fe7b306 Anshuman Gupta 2020-04-15  2044  static int 
i915_lpsp_capability_show(struct seq_file *m, void *data)
8806211fe7b306 Anshuman Gupta 2020-04-15  2045  {
8806211fe7b306 Anshuman Gupta 2020-04-15  2046  struct drm_connector 
*connector = m->private;
8806211fe7b306 Anshuman Gupta 2020-04-15  2047  struct intel_encoder 
*encoder =
8806211fe7b306 Anshuman Gupta 2020-04-15  2048  
intel_attached_encoder(to_intel_connector(connector));
8806211fe7b306 Anshuman Gupta 2020-04-15  2049  struct drm_i915_private 
*i915 = to_i915(connector->dev);
8806211fe7b306 Anshuman Gupta 2020-04-15  2050  
8806211fe7b306 Anshuman Gupta 2020-04-15  2051  if (connector->status 
!= connector_status_connected)
8806211fe7b306 Anshuman Gupta 2020-04-15  2052  return -ENODEV;
8806211fe7b306 Anshuman Gupta 2020-04-15  2053  
8806211fe7b306 Anshuman Gupta 2020-04-15  2054  switch 
(INTEL_GEN(i915)) {
8806211fe7b306 Anshuman Gupta 2020-04-15  2055  case 12:
8806211fe7b306 Anshuman Gupta 2020-04-15  2056  /*
8806211fe7b306 Anshuman Gupta 2020-04-15  2057   * Actually TGL 
can drive LPSP on port till DDI_C
8806211fe7b306 Anshuman Gupta 2020-04-15  2058   * but there is 
no physical connected DDI_C on TGL sku's,
8806211fe7b306 Anshuman Gupta 2020-04-15  2059   * even driver 
is not initilizing DDI_C port for gen12.
8806211fe7b306 Anshuman Gupta 2020-04-15  2060   */
8806211fe7b306 Anshuman Gupta 2020-04-15  2061  
LPSP_CAPABLE(encoder->port <= PORT_B);
8806211fe7b306 Anshuman Gupta 2020-04-15  2062  

Re: [Intel-gfx] [PATCH v6 3/3] drm/i915/dp: Expose connector VRR monitor range via debugfs

2020-06-12 Thread kernel test robot
Hi Manasi,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on drm-intel/for-linux-next]
[also build test ERROR on drm-tip/drm-tip drm-exynos/exynos-drm-next 
linus/master next-20200612]
[cannot apply to tegra-drm/drm/tegra/for-next drm/drm-next v5.7]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:
https://github.com/0day-ci/linux/commits/Manasi-Navare/VRR-capable-attach-prop-in-i915-DPCD-helper-VRR-debugfs/20200613-070517
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: x86_64-rhel (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce (this is a W=1 build):
# save the attached .config to linux build tree
make W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot 

All error/warnings (new ones prefixed by >>, old ones prefixed by <<):

drivers/gpu/drm/i915/display/intel_display_debugfs.c: In function 
'intel_connector_debugfs_add':
>> drivers/gpu/drm/i915/display/intel_display_debugfs.c:2235:2: warning: this 
>> 'if' clause does not guard... [-Wmisleading-indentation]
2235 |  if (INTEL_GEN(dev_priv) >= 10 &&
|  ^~
drivers/gpu/drm/i915/display/intel_display_debugfs.c:2241:3: note: ...this 
statement, but the latter is misleadingly indented as if it were guarded by the 
'if'
2241 |   if (INTEL_GEN(dev_priv) >= 12)
|   ^~
drivers/gpu/drm/i915/display/intel_display_debugfs.c: At top level:
>> drivers/gpu/drm/i915/display/intel_display_debugfs.c:2247:2: error: expected 
>> identifier or '(' before 'if'
2247 |  if ((INTEL_GEN(dev_priv) >= 9 || IS_HASWELL(dev_priv) ||
|  ^~
>> drivers/gpu/drm/i915/display/intel_display_debugfs.c:2257:2: error: expected 
>> identifier or '(' before 'return'
2257 |  return 0;
|  ^~
>> drivers/gpu/drm/i915/display/intel_display_debugfs.c:2258:1: error: expected 
>> identifier or '(' before '}' token
2258 | }
| ^
drivers/gpu/drm/i915/display/intel_display_debugfs.c: In function 
'intel_connector_debugfs_add':
>> drivers/gpu/drm/i915/display/intel_display_debugfs.c:2244:2: warning: 
>> control reaches end of non-void function [-Wreturn-type]
2244 |  }
|  ^
In file included from include/drm/drm_debugfs.h:36,
from drivers/gpu/drm/i915/display/intel_display_debugfs.c:6:
At top level:
drivers/gpu/drm/i915/display/intel_display_debugfs.c:2081:23: warning: 
'i915_lpsp_capability_fops' defined but not used [-Wunused-const-variable=]
2081 | DEFINE_SHOW_ATTRIBUTE(i915_lpsp_capability);
|   ^~~~
include/linux/seq_file.h:154:37: note: in definition of macro 
'DEFINE_SHOW_ATTRIBUTE'
154 | static const struct file_operations __name ## _fops = {|  
   ^~

vim +2247 drivers/gpu/drm/i915/display/intel_display_debugfs.c

670af3cf7a3a36 Bhanuprakash Modem 2020-06-12  2202  
926b005cd8c4e3 Jani Nikula2020-02-11  2203  /**
926b005cd8c4e3 Jani Nikula2020-02-11  2204   * 
intel_connector_debugfs_add - add i915 specific connector debugfs files
926b005cd8c4e3 Jani Nikula2020-02-11  2205   * @connector: pointer to a 
registered drm_connector
926b005cd8c4e3 Jani Nikula2020-02-11  2206   *
926b005cd8c4e3 Jani Nikula2020-02-11  2207   * Cleanup will be done by 
drm_connector_unregister() through a call to
926b005cd8c4e3 Jani Nikula2020-02-11  2208   * 
drm_debugfs_connector_remove().
926b005cd8c4e3 Jani Nikula2020-02-11  2209   *
926b005cd8c4e3 Jani Nikula2020-02-11  2210   * Returns 0 on success, 
negative error codes on error.
926b005cd8c4e3 Jani Nikula2020-02-11  2211   */
926b005cd8c4e3 Jani Nikula2020-02-11  2212  int 
intel_connector_debugfs_add(struct drm_connector *connector)
926b005cd8c4e3 Jani Nikula2020-02-11  2213  {
926b005cd8c4e3 Jani Nikula2020-02-11  2214  struct dentry *root = 
connector->debugfs_entry;
926b005cd8c4e3 Jani Nikula2020-02-11  2215  struct drm_i915_private 
*dev_priv = to_i915(connector->dev);
926b005cd8c4e3 Jani Nikula2020-02-11  2216  
926b005cd8c4e3 Jani Nikula2020-02-11  2217  /* The connector must 
have been registered beforehands. */
926b005cd8c4e3 Jani Nikula2020-02-11  2218  if (!root)
926b005cd8c4e3 Jani Nikula2020-02-11  2219  return -ENODEV;
926b005cd8c4e3 Jani Nikula2020-02-11  2220  
926b005cd8c4e3 Jani Nikula2020-02-11  2221  if 
(connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
926b005cd8c4e3 Jani Nikula2020-02-11    
debugfs_create_file("i915_panel_timings", S_IRUGO, root,
926b005cd8c4e3 Jani Nikula2020-02-11  2223  
connector, _panel_fops);
926b005cd8c4e3 Jani Nikula2020-02-11  2224