[andersson:tuxsuite 9/42] drivers/gpu/drm/i915/display/intel_dp.c:4838:36: error: passing argument 2 of 'test_bit' from incompatible pointer type

[kernel test robot <lkp@intel.com>]

tree:   https://github.com/andersson/kernel tuxsuite
head:   0fff1d7836dde54d8a7ce2f9010fd46a40f23aee
commit: f5897d405897f092921dfbc5e00c4f3fb4172b01 [9/42] drm: Add HPD state to drm_connector_oob_hotplug_event()
config: x86_64-randconfig-a011 (https://download.01.org/0day-ci/archive/20220304/202203041222.EU5Eal5c-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/andersson/kernel/commit/f5897d405897f092921dfbc5e00c4f3fb4172b01
        git remote add andersson https://github.com/andersson/kernel
        git fetch --no-tags andersson tuxsuite
        git checkout f5897d405897f092921dfbc5e00c4f3fb4172b01
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   drivers/gpu/drm/i915/display/intel_dp.c: In function 'intel_dp_oob_hotplug_event':
>> drivers/gpu/drm/i915/display/intel_dp.c:4838:36: error: passing argument 2 of 'test_bit' from incompatible pointer type [-Werror=incompatible-pointer-types]
    4838 |  if (hpd_high != test_bit(hpd_pin, &i915->hotplug.oob_hotplug_last_state, hpd_pin)) {
         |                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         |                                    |
         |                                    unsigned int *
   In file included from arch/x86/include/asm/bitops.h:390,
                    from include/linux/bitops.h:33,
                    from include/linux/of.h:15,
                    from include/linux/irqdomain.h:35,
                    from include/linux/acpi.h:13,
                    from include/linux/i2c.h:13,
                    from drivers/gpu/drm/i915/display/intel_dp.c:29:
   include/asm-generic/bitops/instrumented-non-atomic.h:132:77: note: expected 'const volatile long unsigned int *' but argument is of type 'unsigned int *'
     132 | static __always_inline bool test_bit(long nr, const volatile unsigned long *addr)
         |                                               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
>> drivers/gpu/drm/i915/display/intel_dp.c:4838:18: error: too many arguments to function 'test_bit'
    4838 |  if (hpd_high != test_bit(hpd_pin, &i915->hotplug.oob_hotplug_last_state, hpd_pin)) {
         |                  ^~~~~~~~
   In file included from arch/x86/include/asm/bitops.h:390,
                    from include/linux/bitops.h:33,
                    from include/linux/of.h:15,
                    from include/linux/irqdomain.h:35,
                    from include/linux/acpi.h:13,
                    from include/linux/i2c.h:13,
                    from drivers/gpu/drm/i915/display/intel_dp.c:29:
   include/asm-generic/bitops/instrumented-non-atomic.h:132:29: note: declared here
     132 | static __always_inline bool test_bit(long nr, const volatile unsigned long *addr)
         |                             ^~~~~~~~
>> drivers/gpu/drm/i915/display/intel_dp.c:4841:64: error: 'hpg_high' undeclared (first use in this function); did you mean 'hpd_high'?
    4841 |   __assign_bit(hpd_pin, &i915->hotplug.oob_hotplug_last_state, hpg_high);
         |                                                                ^~~~~~~~
         |                                                                hpd_high
   drivers/gpu/drm/i915/display/intel_dp.c:4841:64: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/gpu/drm/i915/display/intel_dp.c:4841:25: error: passing argument 2 of '__assign_bit' from incompatible pointer type [-Werror=incompatible-pointer-types]
    4841 |   __assign_bit(hpd_pin, &i915->hotplug.oob_hotplug_last_state, hpg_high);
         |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         |                         |
         |                         unsigned int *
   In file included from include/linux/of.h:15,
                    from include/linux/irqdomain.h:35,
                    from include/linux/acpi.h:13,
                    from include/linux/i2c.h:13,
                    from drivers/gpu/drm/i915/display/intel_dp.c:29:
   include/linux/bitops.h:214:75: note: expected 'volatile long unsigned int *' but argument is of type 'unsigned int *'
     214 | static __always_inline void __assign_bit(long nr, volatile unsigned long *addr,
         |                                                   ~~~~~~~~~~~~~~~~~~~~~~~~^~~~
   cc1: some warnings being treated as errors


vim +/test_bit +4838 drivers/gpu/drm/i915/display/intel_dp.c

  4827	
  4828	static void intel_dp_oob_hotplug_event(struct drm_connector *connector,
  4829					       enum drm_connector_hpd_state hpd_state)
  4830	{
  4831		struct intel_encoder *encoder = intel_attached_encoder(to_intel_connector(connector));
  4832		struct drm_i915_private *i915 = to_i915(connector->dev);
  4833		bool hpd_high = hpd_state == DRM_CONNECTOR_HPD_HIGH;
  4834		unsigned int hpd_pin = encoder->hpd_pin;
  4835		bool need_work = false;
  4836	
  4837		spin_lock_irq(&i915->irq_lock);
> 4838		if (hpd_high != test_bit(hpd_pin, &i915->hotplug.oob_hotplug_last_state, hpd_pin)) {
  4839			i915->hotplug.event_bits |= BIT(hpd_pin);
  4840	
> 4841			__assign_bit(hpd_pin, &i915->hotplug.oob_hotplug_last_state, hpg_high);
  4842			need_work = true;
  4843		}
  4844		spin_unlock_irq(&i915->irq_lock);
  4845	
  4846		if (need_work)
  4847			queue_delayed_work(system_wq, &i915->hotplug.hotplug_work, 0);
  4848	}
  4849	

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