[PATCH 3/6] drm/msm/dpu: allow just single IRQ callback

kernel test robot lkp at intel.com
Tue Feb 1 22:14:02 UTC 2022


Hi Dmitry,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on drm/drm-next]
[also build test ERROR on v5.17-rc2 next-20220201]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Dmitry-Baryshkov/drm-msm-dpu-simplify-IRQ-helpers/20220201-231430
base:   git://anongit.freedesktop.org/drm/drm drm-next
config: s390-randconfig-r044-20220130 (https://download.01.org/0day-ci/archive/20220202/202202020613.VjszN4M6-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 11.2.0
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
        # https://github.com/0day-ci/linux/commit/c3da64f5022acf9d942f497a3e3cff092648d6c3
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Dmitry-Baryshkov/drm-msm-dpu-simplify-IRQ-helpers/20220201-231430
        git checkout c3da64f5022acf9d942f497a3e3cff092648d6c3
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=s390 SHELL=/bin/bash drivers/gpu/drm/msm/

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

All errors (new ones prefixed by >>):

   In file included from include/trace/define_trace.h:102,
                    from drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h:973,
                    from drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c:34:
   drivers/gpu/drm/msm/disp/dpu1/./dpu_trace.h: In function 'ftrace_test_probe_dpu_core_irq_unregister_callback':
   include/trace/trace_events.h:870:42: error: passing argument 1 of 'check_trace_callback_type_dpu_core_irq_unregister_callback' from incompatible pointer type [-Werror=incompatible-pointer-types]
     870 |         check_trace_callback_type_##call(trace_event_raw_event_##template); \
         |                                          ^~~~~~~~~~~~~~~~~~~~~~
         |                                          |
         |                                          void (*)(void *, int,  void *)
   drivers/gpu/drm/msm/disp/dpu1/./dpu_trace.h:892:1: note: in expansion of macro 'DEFINE_EVENT'
     892 | DEFINE_EVENT(dpu_core_irq_callback_template, dpu_core_irq_unregister_callback,
         | ^~~~~~~~~~~~
   In file included from drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h:10,
                    from drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c:34:
   include/linux/tracepoint.h:279:49: note: expected 'void (*)(void *, int)' but argument is of type 'void (*)(void *, int,  void *)'
     279 |         check_trace_callback_type_##name(void (*cb)(data_proto))        \
         |                                          ~~~~~~~^~~~~~~~~~~~~~~
   include/linux/tracepoint.h:419:9: note: in expansion of macro '__DECLARE_TRACE'
     419 |         __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args),              \
         |         ^~~~~~~~~~~~~~~
   include/linux/tracepoint.h:542:9: note: in expansion of macro 'DECLARE_TRACE'
     542 |         DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
         |         ^~~~~~~~~~~~~
   drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h:892:1: note: in expansion of macro 'DEFINE_EVENT'
     892 | DEFINE_EVENT(dpu_core_irq_callback_template, dpu_core_irq_unregister_callback,
         | ^~~~~~~~~~~~
   In file included from include/trace/define_trace.h:103,
                    from drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h:973,
                    from drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c:34:
   drivers/gpu/drm/msm/disp/dpu1/./dpu_trace.h: In function 'perf_test_probe_dpu_core_irq_unregister_callback':
>> include/trace/perf.h:99:42: error: passing argument 1 of 'check_trace_callback_type_dpu_core_irq_unregister_callback' from incompatible pointer type [-Werror=incompatible-pointer-types]
      99 |         check_trace_callback_type_##call(perf_trace_##template);        \
         |                                          ^~~~~~~~~~~
         |                                          |
         |                                          void (*)(void *, int,  void *)
   drivers/gpu/drm/msm/disp/dpu1/./dpu_trace.h:892:1: note: in expansion of macro 'DEFINE_EVENT'
     892 | DEFINE_EVENT(dpu_core_irq_callback_template, dpu_core_irq_unregister_callback,
         | ^~~~~~~~~~~~
   In file included from drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h:10,
                    from drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c:34:
   include/linux/tracepoint.h:279:49: note: expected 'void (*)(void *, int)' but argument is of type 'void (*)(void *, int,  void *)'
     279 |         check_trace_callback_type_##name(void (*cb)(data_proto))        \
         |                                          ~~~~~~~^~~~~~~~~~~~~~~
   include/linux/tracepoint.h:419:9: note: in expansion of macro '__DECLARE_TRACE'
     419 |         __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args),              \
         |         ^~~~~~~~~~~~~~~
   include/linux/tracepoint.h:542:9: note: in expansion of macro 'DECLARE_TRACE'
     542 |         DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
         |         ^~~~~~~~~~~~~
   drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h:892:1: note: in expansion of macro 'DEFINE_EVENT'
     892 | DEFINE_EVENT(dpu_core_irq_callback_template, dpu_core_irq_unregister_callback,
         | ^~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +/check_trace_callback_type_dpu_core_irq_unregister_callback +99 include/trace/perf.h

ee53bbd172571c Steven Rostedt (Red Hat  2015-04-29   89) 
ee53bbd172571c Steven Rostedt (Red Hat  2015-04-29   90) /*
ee53bbd172571c Steven Rostedt (Red Hat  2015-04-29   91)  * This part is compiled out, it is only here as a build time check
ee53bbd172571c Steven Rostedt (Red Hat  2015-04-29   92)  * to make sure that if the tracepoint handling changes, the
ee53bbd172571c Steven Rostedt (Red Hat  2015-04-29   93)  * perf probe will fail to compile unless it too is updated.
ee53bbd172571c Steven Rostedt (Red Hat  2015-04-29   94)  */
ee53bbd172571c Steven Rostedt (Red Hat  2015-04-29   95) #undef DEFINE_EVENT
ee53bbd172571c Steven Rostedt (Red Hat  2015-04-29   96) #define DEFINE_EVENT(template, call, proto, args)			\
ee53bbd172571c Steven Rostedt (Red Hat  2015-04-29   97) static inline void perf_test_probe_##call(void)				\
ee53bbd172571c Steven Rostedt (Red Hat  2015-04-29   98) {									\
ee53bbd172571c Steven Rostedt (Red Hat  2015-04-29  @99) 	check_trace_callback_type_##call(perf_trace_##template);	\
ee53bbd172571c Steven Rostedt (Red Hat  2015-04-29  100) }
ee53bbd172571c Steven Rostedt (Red Hat  2015-04-29  101) 

---
0-DAY CI Kernel Test Service, Intel Corporation
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