Re: [PATCH 09/10] drm/i915: Clean up SSKPD/MLTR defines

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Hi Ville,

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 v5.10-rc3 next-20201113]
[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/Ville-Syrjala/drm-i915-ilk-wm-cleanups/20201031-222959
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: i386-randconfig-a003-20201031 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/c5a60152af62d42e7f7ab2525073c7d7f74a8e7c
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Ville-Syrjala/drm-i915-ilk-wm-cleanups/20201031-222959
        git checkout c5a60152af62d42e7f7ab2525073c7d7f74a8e7c
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

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

All errors (new ones prefixed by >>):

   In file included from <command-line>:
   drivers/gpu/drm/i915/intel_pm.c: In function 'intel_read_wm_latency':
>> include/linux/bits.h:35:22: error: left shift count >= width of type [-Werror=shift-count-overflow]
      35 |  (((~UL(0)) - (UL(1) << (l)) + 1) & \
         |                      ^~
   include/linux/compiler_types.h:299:9: note: in definition of macro '__compiletime_assert'
     299 |   if (!(condition))     \
         |         ^~~~~~~~~
   include/linux/compiler_types.h:319:2: note: in expansion of macro '_compiletime_assert'
     319 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/bitfield.h:46:3: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      46 |   BUILD_BUG_ON_MSG(!__builtin_constant_p(_mask),  \
         |   ^~~~~~~~~~~~~~~~
   include/linux/bitfield.h:108:3: note: in expansion of macro '__BF_FIELD_CHECK'
     108 |   __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
         |   ^~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:184:56: note: in expansion of macro 'FIELD_GET'
     184 | #define _REG_FIELD_GET(__type, __mask, __val) ((__type)FIELD_GET(__mask, __val))
         |                                                        ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:208:40: note: in expansion of macro '_REG_FIELD_GET'
     208 | #define REG_FIELD_GET64(__mask, __val) _REG_FIELD_GET(u64, __mask, __val)
         |                                        ^~~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:11: note: in expansion of macro 'REG_FIELD_GET64'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |           ^~~~~~~~~~~~~~~
   include/linux/bits.h:38:31: note: in expansion of macro '__GENMASK'
      38 |  (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                               ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:133:12: note: in expansion of macro 'GENMASK'
     133 |  ((__type)(GENMASK(__high, __low) +    \
         |            ^~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:160:38: note: in expansion of macro '_REG_GENMASK'
     160 | #define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
         |                                      ^~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:3822:34: note: in expansion of macro 'REG_GENMASK64'
    3822 | #define   SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
         |                                  ^~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:27: note: in expansion of macro 'SSKPD_NEW_WM0_MASK_HSW'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |                           ^~~~~~~~~~~~~~~~~~~~~~
>> include/linux/bits.h:36:11: error: right shift count is negative [-Werror=shift-count-negative]
      36 |   (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
         |           ^~
   include/linux/compiler_types.h:299:9: note: in definition of macro '__compiletime_assert'
     299 |   if (!(condition))     \
         |         ^~~~~~~~~
   include/linux/compiler_types.h:319:2: note: in expansion of macro '_compiletime_assert'
     319 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/bitfield.h:46:3: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      46 |   BUILD_BUG_ON_MSG(!__builtin_constant_p(_mask),  \
         |   ^~~~~~~~~~~~~~~~
   include/linux/bitfield.h:108:3: note: in expansion of macro '__BF_FIELD_CHECK'
     108 |   __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
         |   ^~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:184:56: note: in expansion of macro 'FIELD_GET'
     184 | #define _REG_FIELD_GET(__type, __mask, __val) ((__type)FIELD_GET(__mask, __val))
         |                                                        ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:208:40: note: in expansion of macro '_REG_FIELD_GET'
     208 | #define REG_FIELD_GET64(__mask, __val) _REG_FIELD_GET(u64, __mask, __val)
         |                                        ^~~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:11: note: in expansion of macro 'REG_FIELD_GET64'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |           ^~~~~~~~~~~~~~~
   include/linux/bits.h:38:31: note: in expansion of macro '__GENMASK'
      38 |  (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                               ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:133:12: note: in expansion of macro 'GENMASK'
     133 |  ((__type)(GENMASK(__high, __low) +    \
         |            ^~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:160:38: note: in expansion of macro '_REG_GENMASK'
     160 | #define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
         |                                      ^~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:3822:34: note: in expansion of macro 'REG_GENMASK64'
    3822 | #define   SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
         |                                  ^~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:27: note: in expansion of macro 'SSKPD_NEW_WM0_MASK_HSW'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |                           ^~~~~~~~~~~~~~~~~~~~~~
>> include/linux/bits.h:35:22: error: left shift count >= width of type [-Werror=shift-count-overflow]
      35 |  (((~UL(0)) - (UL(1) << (l)) + 1) & \
         |                      ^~
   include/linux/compiler_types.h:299:9: note: in definition of macro '__compiletime_assert'
     299 |   if (!(condition))     \
         |         ^~~~~~~~~
   include/linux/compiler_types.h:319:2: note: in expansion of macro '_compiletime_assert'
     319 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/bitfield.h:48:3: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      48 |   BUILD_BUG_ON_MSG((_mask) == 0, _pfx "mask is zero"); \
         |   ^~~~~~~~~~~~~~~~
   include/linux/bitfield.h:108:3: note: in expansion of macro '__BF_FIELD_CHECK'
     108 |   __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
         |   ^~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:184:56: note: in expansion of macro 'FIELD_GET'
     184 | #define _REG_FIELD_GET(__type, __mask, __val) ((__type)FIELD_GET(__mask, __val))
         |                                                        ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:208:40: note: in expansion of macro '_REG_FIELD_GET'
     208 | #define REG_FIELD_GET64(__mask, __val) _REG_FIELD_GET(u64, __mask, __val)
         |                                        ^~~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:11: note: in expansion of macro 'REG_FIELD_GET64'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |           ^~~~~~~~~~~~~~~
   include/linux/bits.h:38:31: note: in expansion of macro '__GENMASK'
      38 |  (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                               ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:133:12: note: in expansion of macro 'GENMASK'
     133 |  ((__type)(GENMASK(__high, __low) +    \
         |            ^~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:160:38: note: in expansion of macro '_REG_GENMASK'
     160 | #define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
         |                                      ^~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:3822:34: note: in expansion of macro 'REG_GENMASK64'
    3822 | #define   SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
         |                                  ^~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:27: note: in expansion of macro 'SSKPD_NEW_WM0_MASK_HSW'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |                           ^~~~~~~~~~~~~~~~~~~~~~
>> include/linux/bits.h:36:11: error: right shift count is negative [-Werror=shift-count-negative]
      36 |   (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
         |           ^~
   include/linux/compiler_types.h:299:9: note: in definition of macro '__compiletime_assert'
     299 |   if (!(condition))     \
         |         ^~~~~~~~~
   include/linux/compiler_types.h:319:2: note: in expansion of macro '_compiletime_assert'
     319 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/bitfield.h:48:3: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      48 |   BUILD_BUG_ON_MSG((_mask) == 0, _pfx "mask is zero"); \
         |   ^~~~~~~~~~~~~~~~
   include/linux/bitfield.h:108:3: note: in expansion of macro '__BF_FIELD_CHECK'
     108 |   __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
         |   ^~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:184:56: note: in expansion of macro 'FIELD_GET'
     184 | #define _REG_FIELD_GET(__type, __mask, __val) ((__type)FIELD_GET(__mask, __val))
         |                                                        ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:208:40: note: in expansion of macro '_REG_FIELD_GET'
     208 | #define REG_FIELD_GET64(__mask, __val) _REG_FIELD_GET(u64, __mask, __val)
         |                                        ^~~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:11: note: in expansion of macro 'REG_FIELD_GET64'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |           ^~~~~~~~~~~~~~~
   include/linux/bits.h:38:31: note: in expansion of macro '__GENMASK'
      38 |  (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                               ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:133:12: note: in expansion of macro 'GENMASK'
     133 |  ((__type)(GENMASK(__high, __low) +    \
         |            ^~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:160:38: note: in expansion of macro '_REG_GENMASK'
     160 | #define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
         |                                      ^~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:3822:34: note: in expansion of macro 'REG_GENMASK64'
    3822 | #define   SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
         |                                  ^~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:27: note: in expansion of macro 'SSKPD_NEW_WM0_MASK_HSW'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |                           ^~~~~~~~~~~~~~~~~~~~~~
>> include/linux/bits.h:35:22: error: left shift count >= width of type [-Werror=shift-count-overflow]
      35 |  (((~UL(0)) - (UL(1) << (l)) + 1) & \
         |                      ^~
   include/linux/compiler_types.h:299:9: note: in definition of macro '__compiletime_assert'
     299 |   if (!(condition))     \
         |         ^~~~~~~~~
   include/linux/compiler_types.h:319:2: note: in expansion of macro '_compiletime_assert'
     319 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/bitfield.h:49:3: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      49 |   BUILD_BUG_ON_MSG(__builtin_constant_p(_val) ?  \
         |   ^~~~~~~~~~~~~~~~
   include/linux/bitfield.h:108:3: note: in expansion of macro '__BF_FIELD_CHECK'
     108 |   __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
         |   ^~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:184:56: note: in expansion of macro 'FIELD_GET'
     184 | #define _REG_FIELD_GET(__type, __mask, __val) ((__type)FIELD_GET(__mask, __val))
         |                                                        ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:208:40: note: in expansion of macro '_REG_FIELD_GET'
     208 | #define REG_FIELD_GET64(__mask, __val) _REG_FIELD_GET(u64, __mask, __val)
         |                                        ^~~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:11: note: in expansion of macro 'REG_FIELD_GET64'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |           ^~~~~~~~~~~~~~~
   include/linux/bits.h:38:31: note: in expansion of macro '__GENMASK'
      38 |  (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                               ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:133:12: note: in expansion of macro 'GENMASK'
     133 |  ((__type)(GENMASK(__high, __low) +    \
         |            ^~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:160:38: note: in expansion of macro '_REG_GENMASK'
     160 | #define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
         |                                      ^~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:3822:34: note: in expansion of macro 'REG_GENMASK64'
    3822 | #define   SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
         |                                  ^~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:27: note: in expansion of macro 'SSKPD_NEW_WM0_MASK_HSW'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |                           ^~~~~~~~~~~~~~~~~~~~~~
>> include/linux/bits.h:36:11: error: right shift count is negative [-Werror=shift-count-negative]
      36 |   (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
         |           ^~
   include/linux/compiler_types.h:299:9: note: in definition of macro '__compiletime_assert'
     299 |   if (!(condition))     \
         |         ^~~~~~~~~
   include/linux/compiler_types.h:319:2: note: in expansion of macro '_compiletime_assert'
     319 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/bitfield.h:49:3: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      49 |   BUILD_BUG_ON_MSG(__builtin_constant_p(_val) ?  \
         |   ^~~~~~~~~~~~~~~~
   include/linux/bitfield.h:108:3: note: in expansion of macro '__BF_FIELD_CHECK'
     108 |   __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
         |   ^~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:184:56: note: in expansion of macro 'FIELD_GET'
     184 | #define _REG_FIELD_GET(__type, __mask, __val) ((__type)FIELD_GET(__mask, __val))
         |                                                        ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:208:40: note: in expansion of macro '_REG_FIELD_GET'
     208 | #define REG_FIELD_GET64(__mask, __val) _REG_FIELD_GET(u64, __mask, __val)
         |                                        ^~~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:11: note: in expansion of macro 'REG_FIELD_GET64'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |           ^~~~~~~~~~~~~~~
   include/linux/bits.h:38:31: note: in expansion of macro '__GENMASK'
      38 |  (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                               ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:133:12: note: in expansion of macro 'GENMASK'
     133 |  ((__type)(GENMASK(__high, __low) +    \
         |            ^~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:160:38: note: in expansion of macro '_REG_GENMASK'
     160 | #define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
         |                                      ^~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:3822:34: note: in expansion of macro 'REG_GENMASK64'
    3822 | #define   SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
         |                                  ^~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:27: note: in expansion of macro 'SSKPD_NEW_WM0_MASK_HSW'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |                           ^~~~~~~~~~~~~~~~~~~~~~
>> include/linux/bits.h:35:22: error: left shift count >= width of type [-Werror=shift-count-overflow]
      35 |  (((~UL(0)) - (UL(1) << (l)) + 1) & \
         |                      ^~
   include/linux/compiler_types.h:299:9: note: in definition of macro '__compiletime_assert'
     299 |   if (!(condition))     \
         |         ^~~~~~~~~
   include/linux/compiler_types.h:319:2: note: in expansion of macro '_compiletime_assert'
     319 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/bitfield.h:49:3: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      49 |   BUILD_BUG_ON_MSG(__builtin_constant_p(_val) ?  \
         |   ^~~~~~~~~~~~~~~~
   include/linux/bitfield.h:50:19: note: in expansion of macro '__bf_shf'
      50 |      ~((_mask) >> __bf_shf(_mask)) & (_val) : 0, \
         |                   ^~~~~~~~
   include/linux/bitfield.h:108:3: note: in expansion of macro '__BF_FIELD_CHECK'
     108 |   __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
         |   ^~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:184:56: note: in expansion of macro 'FIELD_GET'
     184 | #define _REG_FIELD_GET(__type, __mask, __val) ((__type)FIELD_GET(__mask, __val))
         |                                                        ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:208:40: note: in expansion of macro '_REG_FIELD_GET'
     208 | #define REG_FIELD_GET64(__mask, __val) _REG_FIELD_GET(u64, __mask, __val)
         |                                        ^~~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:11: note: in expansion of macro 'REG_FIELD_GET64'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |           ^~~~~~~~~~~~~~~
   include/linux/bits.h:38:31: note: in expansion of macro '__GENMASK'
      38 |  (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                               ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:133:12: note: in expansion of macro 'GENMASK'
     133 |  ((__type)(GENMASK(__high, __low) +    \
         |            ^~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:160:38: note: in expansion of macro '_REG_GENMASK'
     160 | #define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
         |                                      ^~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:3822:34: note: in expansion of macro 'REG_GENMASK64'
    3822 | #define   SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
         |                                  ^~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:27: note: in expansion of macro 'SSKPD_NEW_WM0_MASK_HSW'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |                           ^~~~~~~~~~~~~~~~~~~~~~
>> include/linux/bits.h:36:11: error: right shift count is negative [-Werror=shift-count-negative]
      36 |   (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
         |           ^~
   include/linux/compiler_types.h:299:9: note: in definition of macro '__compiletime_assert'
     299 |   if (!(condition))     \
         |         ^~~~~~~~~
   include/linux/compiler_types.h:319:2: note: in expansion of macro '_compiletime_assert'
     319 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/bitfield.h:49:3: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      49 |   BUILD_BUG_ON_MSG(__builtin_constant_p(_val) ?  \
         |   ^~~~~~~~~~~~~~~~
   include/linux/bitfield.h:50:19: note: in expansion of macro '__bf_shf'
      50 |      ~((_mask) >> __bf_shf(_mask)) & (_val) : 0, \
         |                   ^~~~~~~~
   include/linux/bitfield.h:108:3: note: in expansion of macro '__BF_FIELD_CHECK'
     108 |   __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
         |   ^~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:184:56: note: in expansion of macro 'FIELD_GET'
     184 | #define _REG_FIELD_GET(__type, __mask, __val) ((__type)FIELD_GET(__mask, __val))
         |                                                        ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:208:40: note: in expansion of macro '_REG_FIELD_GET'
     208 | #define REG_FIELD_GET64(__mask, __val) _REG_FIELD_GET(u64, __mask, __val)
         |                                        ^~~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:11: note: in expansion of macro 'REG_FIELD_GET64'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |           ^~~~~~~~~~~~~~~
   include/linux/bits.h:38:31: note: in expansion of macro '__GENMASK'
      38 |  (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                               ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:133:12: note: in expansion of macro 'GENMASK'
     133 |  ((__type)(GENMASK(__high, __low) +    \
         |            ^~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:160:38: note: in expansion of macro '_REG_GENMASK'
     160 | #define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
         |                                      ^~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:3822:34: note: in expansion of macro 'REG_GENMASK64'
    3822 | #define   SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
         |                                  ^~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:27: note: in expansion of macro 'SSKPD_NEW_WM0_MASK_HSW'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |                           ^~~~~~~~~~~~~~~~~~~~~~
>> include/linux/bitfield.h:50:16: error: right shift count is negative [-Werror=shift-count-negative]
      50 |      ~((_mask) >> __bf_shf(_mask)) & (_val) : 0, \
         |                ^~
   include/linux/compiler_types.h:299:9: note: in definition of macro '__compiletime_assert'
     299 |   if (!(condition))     \
         |         ^~~~~~~~~
   include/linux/compiler_types.h:319:2: note: in expansion of macro '_compiletime_assert'
     319 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/bitfield.h:49:3: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      49 |   BUILD_BUG_ON_MSG(__builtin_constant_p(_val) ?  \
         |   ^~~~~~~~~~~~~~~~
   include/linux/bitfield.h:108:3: note: in expansion of macro '__BF_FIELD_CHECK'
     108 |   __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
         |   ^~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:184:56: note: in expansion of macro 'FIELD_GET'
     184 | #define _REG_FIELD_GET(__type, __mask, __val) ((__type)FIELD_GET(__mask, __val))
         |                                                        ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:208:40: note: in expansion of macro '_REG_FIELD_GET'
     208 | #define REG_FIELD_GET64(__mask, __val) _REG_FIELD_GET(u64, __mask, __val)
         |                                        ^~~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:11: note: in expansion of macro 'REG_FIELD_GET64'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |           ^~~~~~~~~~~~~~~
>> include/linux/bits.h:35:22: error: left shift count >= width of type [-Werror=shift-count-overflow]
      35 |  (((~UL(0)) - (UL(1) << (l)) + 1) & \
         |                      ^~
   include/linux/compiler_types.h:299:9: note: in definition of macro '__compiletime_assert'
     299 |   if (!(condition))     \
         |         ^~~~~~~~~
   include/linux/compiler_types.h:319:2: note: in expansion of macro '_compiletime_assert'
     319 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/bitfield.h:52:3: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      52 |   BUILD_BUG_ON_MSG((_mask) > (typeof(_reg))~0ull,  \
         |   ^~~~~~~~~~~~~~~~
   include/linux/bitfield.h:108:3: note: in expansion of macro '__BF_FIELD_CHECK'
     108 |   __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
         |   ^~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:184:56: note: in expansion of macro 'FIELD_GET'
     184 | #define _REG_FIELD_GET(__type, __mask, __val) ((__type)FIELD_GET(__mask, __val))
         |                                                        ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:208:40: note: in expansion of macro '_REG_FIELD_GET'
     208 | #define REG_FIELD_GET64(__mask, __val) _REG_FIELD_GET(u64, __mask, __val)
         |                                        ^~~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:11: note: in expansion of macro 'REG_FIELD_GET64'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |           ^~~~~~~~~~~~~~~
   include/linux/bits.h:38:31: note: in expansion of macro '__GENMASK'
      38 |  (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                               ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:133:12: note: in expansion of macro 'GENMASK'
     133 |  ((__type)(GENMASK(__high, __low) +    \
         |            ^~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:160:38: note: in expansion of macro '_REG_GENMASK'
     160 | #define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
         |                                      ^~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:3822:34: note: in expansion of macro 'REG_GENMASK64'
    3822 | #define   SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
         |                                  ^~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:27: note: in expansion of macro 'SSKPD_NEW_WM0_MASK_HSW'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |                           ^~~~~~~~~~~~~~~~~~~~~~
>> include/linux/bits.h:36:11: error: right shift count is negative [-Werror=shift-count-negative]
      36 |   (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
         |           ^~
   include/linux/compiler_types.h:299:9: note: in definition of macro '__compiletime_assert'
     299 |   if (!(condition))     \
         |         ^~~~~~~~~
   include/linux/compiler_types.h:319:2: note: in expansion of macro '_compiletime_assert'
     319 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/bitfield.h:52:3: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      52 |   BUILD_BUG_ON_MSG((_mask) > (typeof(_reg))~0ull,  \
         |   ^~~~~~~~~~~~~~~~
   include/linux/bitfield.h:108:3: note: in expansion of macro '__BF_FIELD_CHECK'
     108 |   __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
         |   ^~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:184:56: note: in expansion of macro 'FIELD_GET'
     184 | #define _REG_FIELD_GET(__type, __mask, __val) ((__type)FIELD_GET(__mask, __val))
         |                                                        ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:208:40: note: in expansion of macro '_REG_FIELD_GET'
     208 | #define REG_FIELD_GET64(__mask, __val) _REG_FIELD_GET(u64, __mask, __val)
         |                                        ^~~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:11: note: in expansion of macro 'REG_FIELD_GET64'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |           ^~~~~~~~~~~~~~~
   include/linux/bits.h:38:31: note: in expansion of macro '__GENMASK'
      38 |  (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                               ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:133:12: note: in expansion of macro 'GENMASK'
     133 |  ((__type)(GENMASK(__high, __low) +    \
         |            ^~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:160:38: note: in expansion of macro '_REG_GENMASK'
     160 | #define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
         |                                      ^~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:3822:34: note: in expansion of macro 'REG_GENMASK64'
    3822 | #define   SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
         |                                  ^~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:27: note: in expansion of macro 'SSKPD_NEW_WM0_MASK_HSW'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |                           ^~~~~~~~~~~~~~~~~~~~~~
>> include/linux/bits.h:35:22: error: left shift count >= width of type [-Werror=shift-count-overflow]
      35 |  (((~UL(0)) - (UL(1) << (l)) + 1) & \
         |                      ^~
   include/linux/compiler_types.h:299:9: note: in definition of macro '__compiletime_assert'
     299 |   if (!(condition))     \
         |         ^~~~~~~~~
   include/linux/compiler_types.h:319:2: note: in expansion of macro '_compiletime_assert'
     319 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      50 |  BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
         |  ^~~~~~~~~~~~~~~~
   include/linux/build_bug.h:21:2: note: in expansion of macro 'BUILD_BUG_ON'
      21 |  BUILD_BUG_ON(((n) & ((n) - 1)) != 0)
         |  ^~~~~~~~~~~~
   include/linux/bitfield.h:54:3: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2'
      54 |   __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) +   \
         |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/bitfield.h:108:3: note: in expansion of macro '__BF_FIELD_CHECK'
     108 |   __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
         |   ^~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:184:56: note: in expansion of macro 'FIELD_GET'
     184 | #define _REG_FIELD_GET(__type, __mask, __val) ((__type)FIELD_GET(__mask, __val))
         |                                                        ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:208:40: note: in expansion of macro '_REG_FIELD_GET'
     208 | #define REG_FIELD_GET64(__mask, __val) _REG_FIELD_GET(u64, __mask, __val)
         |                                        ^~~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:11: note: in expansion of macro 'REG_FIELD_GET64'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |           ^~~~~~~~~~~~~~~
   include/linux/bits.h:38:31: note: in expansion of macro '__GENMASK'
      38 |  (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                               ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:133:12: note: in expansion of macro 'GENMASK'
     133 |  ((__type)(GENMASK(__high, __low) +    \
         |            ^~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:160:38: note: in expansion of macro '_REG_GENMASK'
     160 | #define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
         |                                      ^~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:3822:34: note: in expansion of macro 'REG_GENMASK64'
    3822 | #define   SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
         |                                  ^~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:27: note: in expansion of macro 'SSKPD_NEW_WM0_MASK_HSW'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |                           ^~~~~~~~~~~~~~~~~~~~~~
>> include/linux/bits.h:36:11: error: right shift count is negative [-Werror=shift-count-negative]
      36 |   (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
         |           ^~
   include/linux/compiler_types.h:299:9: note: in definition of macro '__compiletime_assert'
     299 |   if (!(condition))     \
         |         ^~~~~~~~~
   include/linux/compiler_types.h:319:2: note: in expansion of macro '_compiletime_assert'
     319 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      50 |  BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
         |  ^~~~~~~~~~~~~~~~
   include/linux/build_bug.h:21:2: note: in expansion of macro 'BUILD_BUG_ON'
      21 |  BUILD_BUG_ON(((n) & ((n) - 1)) != 0)
         |  ^~~~~~~~~~~~
   include/linux/bitfield.h:54:3: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2'
      54 |   __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) +   \
         |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/bitfield.h:108:3: note: in expansion of macro '__BF_FIELD_CHECK'
     108 |   __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
         |   ^~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:184:56: note: in expansion of macro 'FIELD_GET'
     184 | #define _REG_FIELD_GET(__type, __mask, __val) ((__type)FIELD_GET(__mask, __val))
         |                                                        ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:208:40: note: in expansion of macro '_REG_FIELD_GET'
     208 | #define REG_FIELD_GET64(__mask, __val) _REG_FIELD_GET(u64, __mask, __val)
         |                                        ^~~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:11: note: in expansion of macro 'REG_FIELD_GET64'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |           ^~~~~~~~~~~~~~~
   include/linux/bits.h:38:31: note: in expansion of macro '__GENMASK'
      38 |  (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                               ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:133:12: note: in expansion of macro 'GENMASK'
     133 |  ((__type)(GENMASK(__high, __low) +    \
         |            ^~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:160:38: note: in expansion of macro '_REG_GENMASK'
     160 | #define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
         |                                      ^~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:3822:34: note: in expansion of macro 'REG_GENMASK64'
    3822 | #define   SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
         |                                  ^~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:27: note: in expansion of macro 'SSKPD_NEW_WM0_MASK_HSW'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |                           ^~~~~~~~~~~~~~~~~~~~~~
>> include/linux/bits.h:35:22: error: left shift count >= width of type [-Werror=shift-count-overflow]
      35 |  (((~UL(0)) - (UL(1) << (l)) + 1) & \
         |                      ^~
   include/linux/compiler_types.h:299:9: note: in definition of macro '__compiletime_assert'
     299 |   if (!(condition))     \
         |         ^~~~~~~~~
   include/linux/compiler_types.h:319:2: note: in expansion of macro '_compiletime_assert'
     319 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      50 |  BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
         |  ^~~~~~~~~~~~~~~~
   include/linux/build_bug.h:21:2: note: in expansion of macro 'BUILD_BUG_ON'
      21 |  BUILD_BUG_ON(((n) & ((n) - 1)) != 0)
         |  ^~~~~~~~~~~~
   include/linux/bitfield.h:54:3: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2'
      54 |   __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) +   \
         |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/bitfield.h:55:21: note: in expansion of macro '__bf_shf'
      55 |            (1ULL << __bf_shf(_mask))); \
         |                     ^~~~~~~~
   include/linux/bitfield.h:108:3: note: in expansion of macro '__BF_FIELD_CHECK'
     108 |   __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
         |   ^~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:184:56: note: in expansion of macro 'FIELD_GET'
     184 | #define _REG_FIELD_GET(__type, __mask, __val) ((__type)FIELD_GET(__mask, __val))
         |                                                        ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:208:40: note: in expansion of macro '_REG_FIELD_GET'
     208 | #define REG_FIELD_GET64(__mask, __val) _REG_FIELD_GET(u64, __mask, __val)
         |                                        ^~~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:11: note: in expansion of macro 'REG_FIELD_GET64'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |           ^~~~~~~~~~~~~~~
   include/linux/bits.h:38:31: note: in expansion of macro '__GENMASK'
      38 |  (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                               ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:133:12: note: in expansion of macro 'GENMASK'
     133 |  ((__type)(GENMASK(__high, __low) +    \
         |            ^~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:160:38: note: in expansion of macro '_REG_GENMASK'
     160 | #define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
         |                                      ^~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:3822:34: note: in expansion of macro 'REG_GENMASK64'
    3822 | #define   SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
         |                                  ^~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:27: note: in expansion of macro 'SSKPD_NEW_WM0_MASK_HSW'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |                           ^~~~~~~~~~~~~~~~~~~~~~
>> include/linux/bits.h:36:11: error: right shift count is negative [-Werror=shift-count-negative]
      36 |   (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
         |           ^~
   include/linux/compiler_types.h:299:9: note: in definition of macro '__compiletime_assert'
     299 |   if (!(condition))     \
         |         ^~~~~~~~~
   include/linux/compiler_types.h:319:2: note: in expansion of macro '_compiletime_assert'
     319 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      50 |  BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
         |  ^~~~~~~~~~~~~~~~
   include/linux/build_bug.h:21:2: note: in expansion of macro 'BUILD_BUG_ON'
      21 |  BUILD_BUG_ON(((n) & ((n) - 1)) != 0)
         |  ^~~~~~~~~~~~
   include/linux/bitfield.h:54:3: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2'
      54 |   __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) +   \
         |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/bitfield.h:55:21: note: in expansion of macro '__bf_shf'
      55 |            (1ULL << __bf_shf(_mask))); \
         |                     ^~~~~~~~
   include/linux/bitfield.h:108:3: note: in expansion of macro '__BF_FIELD_CHECK'
     108 |   __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
         |   ^~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:184:56: note: in expansion of macro 'FIELD_GET'
     184 | #define _REG_FIELD_GET(__type, __mask, __val) ((__type)FIELD_GET(__mask, __val))
         |                                                        ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:208:40: note: in expansion of macro '_REG_FIELD_GET'
     208 | #define REG_FIELD_GET64(__mask, __val) _REG_FIELD_GET(u64, __mask, __val)
         |                                        ^~~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:11: note: in expansion of macro 'REG_FIELD_GET64'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |           ^~~~~~~~~~~~~~~
   include/linux/bits.h:38:31: note: in expansion of macro '__GENMASK'
      38 |  (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                               ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:133:12: note: in expansion of macro 'GENMASK'
     133 |  ((__type)(GENMASK(__high, __low) +    \
         |            ^~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:160:38: note: in expansion of macro '_REG_GENMASK'
     160 | #define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
         |                                      ^~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:3822:34: note: in expansion of macro 'REG_GENMASK64'
    3822 | #define   SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
         |                                  ^~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:27: note: in expansion of macro 'SSKPD_NEW_WM0_MASK_HSW'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |                           ^~~~~~~~~~~~~~~~~~~~~~
>> include/linux/bitfield.h:55:18: error: left shift count is negative [-Werror=shift-count-negative]
      55 |            (1ULL << __bf_shf(_mask))); \
         |                  ^~
   include/linux/compiler_types.h:299:9: note: in definition of macro '__compiletime_assert'
     299 |   if (!(condition))     \
         |         ^~~~~~~~~
   include/linux/compiler_types.h:319:2: note: in expansion of macro '_compiletime_assert'
     319 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      50 |  BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
         |  ^~~~~~~~~~~~~~~~
   include/linux/build_bug.h:21:2: note: in expansion of macro 'BUILD_BUG_ON'
      21 |  BUILD_BUG_ON(((n) & ((n) - 1)) != 0)
         |  ^~~~~~~~~~~~
   include/linux/bitfield.h:54:3: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2'
      54 |   __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) +   \
         |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/bitfield.h:108:3: note: in expansion of macro '__BF_FIELD_CHECK'
     108 |   __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
         |   ^~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:184:56: note: in expansion of macro 'FIELD_GET'
     184 | #define _REG_FIELD_GET(__type, __mask, __val) ((__type)FIELD_GET(__mask, __val))
         |                                                        ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:208:40: note: in expansion of macro '_REG_FIELD_GET'
     208 | #define REG_FIELD_GET64(__mask, __val) _REG_FIELD_GET(u64, __mask, __val)
         |                                        ^~~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:11: note: in expansion of macro 'REG_FIELD_GET64'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |           ^~~~~~~~~~~~~~~
>> include/linux/bits.h:35:22: error: left shift count >= width of type [-Werror=shift-count-overflow]
      35 |  (((~UL(0)) - (UL(1) << (l)) + 1) & \
         |                      ^~
   include/linux/compiler_types.h:299:9: note: in definition of macro '__compiletime_assert'
     299 |   if (!(condition))     \
         |         ^~~~~~~~~
   include/linux/compiler_types.h:319:2: note: in expansion of macro '_compiletime_assert'
     319 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      50 |  BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
         |  ^~~~~~~~~~~~~~~~
   include/linux/build_bug.h:21:2: note: in expansion of macro 'BUILD_BUG_ON'
      21 |  BUILD_BUG_ON(((n) & ((n) - 1)) != 0)
         |  ^~~~~~~~~~~~
   include/linux/bitfield.h:54:3: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2'
      54 |   __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) +   \
         |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/bitfield.h:108:3: note: in expansion of macro '__BF_FIELD_CHECK'
     108 |   __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
         |   ^~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:184:56: note: in expansion of macro 'FIELD_GET'
     184 | #define _REG_FIELD_GET(__type, __mask, __val) ((__type)FIELD_GET(__mask, __val))
         |                                                        ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:208:40: note: in expansion of macro '_REG_FIELD_GET'
     208 | #define REG_FIELD_GET64(__mask, __val) _REG_FIELD_GET(u64, __mask, __val)
         |                                        ^~~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:11: note: in expansion of macro 'REG_FIELD_GET64'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |           ^~~~~~~~~~~~~~~
   include/linux/bits.h:38:31: note: in expansion of macro '__GENMASK'
      38 |  (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                               ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:133:12: note: in expansion of macro 'GENMASK'
     133 |  ((__type)(GENMASK(__high, __low) +    \
         |            ^~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:160:38: note: in expansion of macro '_REG_GENMASK'
     160 | #define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
         |                                      ^~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:3822:34: note: in expansion of macro 'REG_GENMASK64'
    3822 | #define   SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
         |                                  ^~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:27: note: in expansion of macro 'SSKPD_NEW_WM0_MASK_HSW'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |                           ^~~~~~~~~~~~~~~~~~~~~~
>> include/linux/bits.h:36:11: error: right shift count is negative [-Werror=shift-count-negative]
      36 |   (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
         |           ^~
   include/linux/compiler_types.h:299:9: note: in definition of macro '__compiletime_assert'
     299 |   if (!(condition))     \
         |         ^~~~~~~~~
   include/linux/compiler_types.h:319:2: note: in expansion of macro '_compiletime_assert'
     319 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      50 |  BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
         |  ^~~~~~~~~~~~~~~~
   include/linux/build_bug.h:21:2: note: in expansion of macro 'BUILD_BUG_ON'
      21 |  BUILD_BUG_ON(((n) & ((n) - 1)) != 0)
         |  ^~~~~~~~~~~~
   include/linux/bitfield.h:54:3: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2'
      54 |   __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) +   \
         |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/bitfield.h:108:3: note: in expansion of macro '__BF_FIELD_CHECK'
     108 |   __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
         |   ^~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:184:56: note: in expansion of macro 'FIELD_GET'
     184 | #define _REG_FIELD_GET(__type, __mask, __val) ((__type)FIELD_GET(__mask, __val))
         |                                                        ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:208:40: note: in expansion of macro '_REG_FIELD_GET'
     208 | #define REG_FIELD_GET64(__mask, __val) _REG_FIELD_GET(u64, __mask, __val)
         |                                        ^~~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:11: note: in expansion of macro 'REG_FIELD_GET64'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |           ^~~~~~~~~~~~~~~
   include/linux/bits.h:38:31: note: in expansion of macro '__GENMASK'
      38 |  (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                               ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:133:12: note: in expansion of macro 'GENMASK'
     133 |  ((__type)(GENMASK(__high, __low) +    \
         |            ^~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:160:38: note: in expansion of macro '_REG_GENMASK'
     160 | #define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
         |                                      ^~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:3822:34: note: in expansion of macro 'REG_GENMASK64'
    3822 | #define   SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
         |                                  ^~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:27: note: in expansion of macro 'SSKPD_NEW_WM0_MASK_HSW'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |                           ^~~~~~~~~~~~~~~~~~~~~~
>> include/linux/bits.h:35:22: error: left shift count >= width of type [-Werror=shift-count-overflow]
      35 |  (((~UL(0)) - (UL(1) << (l)) + 1) & \
         |                      ^~
   include/linux/compiler_types.h:299:9: note: in definition of macro '__compiletime_assert'
     299 |   if (!(condition))     \
         |         ^~~~~~~~~
   include/linux/compiler_types.h:319:2: note: in expansion of macro '_compiletime_assert'
     319 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      50 |  BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
         |  ^~~~~~~~~~~~~~~~
   include/linux/build_bug.h:21:2: note: in expansion of macro 'BUILD_BUG_ON'
      21 |  BUILD_BUG_ON(((n) & ((n) - 1)) != 0)
         |  ^~~~~~~~~~~~
   include/linux/bitfield.h:54:3: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2'
      54 |   __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) +   \
         |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/bitfield.h:55:21: note: in expansion of macro '__bf_shf'
      55 |            (1ULL << __bf_shf(_mask))); \
         |                     ^~~~~~~~
   include/linux/bitfield.h:108:3: note: in expansion of macro '__BF_FIELD_CHECK'
     108 |   __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
         |   ^~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:184:56: note: in expansion of macro 'FIELD_GET'
     184 | #define _REG_FIELD_GET(__type, __mask, __val) ((__type)FIELD_GET(__mask, __val))
         |                                                        ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:208:40: note: in expansion of macro '_REG_FIELD_GET'
     208 | #define REG_FIELD_GET64(__mask, __val) _REG_FIELD_GET(u64, __mask, __val)
         |                                        ^~~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:11: note: in expansion of macro 'REG_FIELD_GET64'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |           ^~~~~~~~~~~~~~~
   include/linux/bits.h:38:31: note: in expansion of macro '__GENMASK'
      38 |  (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                               ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:133:12: note: in expansion of macro 'GENMASK'
     133 |  ((__type)(GENMASK(__high, __low) +    \
         |            ^~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:160:38: note: in expansion of macro '_REG_GENMASK'
     160 | #define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
         |                                      ^~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:3822:34: note: in expansion of macro 'REG_GENMASK64'
    3822 | #define   SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
         |                                  ^~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:27: note: in expansion of macro 'SSKPD_NEW_WM0_MASK_HSW'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |                           ^~~~~~~~~~~~~~~~~~~~~~
>> include/linux/bits.h:36:11: error: right shift count is negative [-Werror=shift-count-negative]
      36 |   (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
         |           ^~
   include/linux/compiler_types.h:299:9: note: in definition of macro '__compiletime_assert'
     299 |   if (!(condition))     \
         |         ^~~~~~~~~
   include/linux/compiler_types.h:319:2: note: in expansion of macro '_compiletime_assert'
     319 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      50 |  BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
         |  ^~~~~~~~~~~~~~~~
   include/linux/build_bug.h:21:2: note: in expansion of macro 'BUILD_BUG_ON'
      21 |  BUILD_BUG_ON(((n) & ((n) - 1)) != 0)
         |  ^~~~~~~~~~~~
   include/linux/bitfield.h:54:3: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2'
      54 |   __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) +   \
         |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/bitfield.h:55:21: note: in expansion of macro '__bf_shf'
      55 |            (1ULL << __bf_shf(_mask))); \
         |                     ^~~~~~~~
   include/linux/bitfield.h:108:3: note: in expansion of macro '__BF_FIELD_CHECK'
     108 |   __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
         |   ^~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:184:56: note: in expansion of macro 'FIELD_GET'
     184 | #define _REG_FIELD_GET(__type, __mask, __val) ((__type)FIELD_GET(__mask, __val))
         |                                                        ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:208:40: note: in expansion of macro '_REG_FIELD_GET'
     208 | #define REG_FIELD_GET64(__mask, __val) _REG_FIELD_GET(u64, __mask, __val)
         |                                        ^~~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:11: note: in expansion of macro 'REG_FIELD_GET64'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |           ^~~~~~~~~~~~~~~
   include/linux/bits.h:38:31: note: in expansion of macro '__GENMASK'
      38 |  (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                               ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:133:12: note: in expansion of macro 'GENMASK'
     133 |  ((__type)(GENMASK(__high, __low) +    \
         |            ^~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:160:38: note: in expansion of macro '_REG_GENMASK'
     160 | #define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
         |                                      ^~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:3822:34: note: in expansion of macro 'REG_GENMASK64'
    3822 | #define   SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
         |                                  ^~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:27: note: in expansion of macro 'SSKPD_NEW_WM0_MASK_HSW'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |                           ^~~~~~~~~~~~~~~~~~~~~~
   include/linux/bitfield.h:55:18: error: left shift count is negative [-Werror=shift-count-negative]
      55 |            (1ULL << __bf_shf(_mask))); \
         |                  ^~
   include/linux/compiler_types.h:299:9: note: in definition of macro '__compiletime_assert'
     299 |   if (!(condition))     \
         |         ^~~~~~~~~
   include/linux/compiler_types.h:319:2: note: in expansion of macro '_compiletime_assert'
     319 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      50 |  BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
         |  ^~~~~~~~~~~~~~~~
   include/linux/build_bug.h:21:2: note: in expansion of macro 'BUILD_BUG_ON'
      21 |  BUILD_BUG_ON(((n) & ((n) - 1)) != 0)
         |  ^~~~~~~~~~~~
   include/linux/bitfield.h:54:3: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2'
      54 |   __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) +   \
         |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/bitfield.h:108:3: note: in expansion of macro '__BF_FIELD_CHECK'
     108 |   __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
         |   ^~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:184:56: note: in expansion of macro 'FIELD_GET'
     184 | #define _REG_FIELD_GET(__type, __mask, __val) ((__type)FIELD_GET(__mask, __val))
         |                                                        ^~~~~~~~~
   drivers/gpu/drm/i915/i915_reg.h:208:40: note: in expansion of macro '_REG_FIELD_GET'
     208 | #define REG_FIELD_GET64(__mask, __val) _REG_FIELD_GET(u64, __mask, __val)
         |                                        ^~~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:11: note: in expansion of macro 'REG_FIELD_GET64'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |           ^~~~~~~~~~~~~~~
   In file included from drivers/gpu/drm/i915/intel_wakeref.h:11,
                    from drivers/gpu/drm/i915/intel_runtime_pm.h:13,
                    from drivers/gpu/drm/i915/display/intel_display_power.h:10,
                    from drivers/gpu/drm/i915/display/intel_bw.h:12,
                    from drivers/gpu/drm/i915/intel_pm.c:36:
   include/linux/bits.h:35:22: error: left shift count >= width of type [-Werror=shift-count-overflow]
      35 |  (((~UL(0)) - (UL(1) << (l)) + 1) & \
         |                      ^~
   include/linux/bitfield.h:109:30: note: in definition of macro 'FIELD_GET'
     109 |   (typeof(_mask))(((_reg) & (_mask)) >> __bf_shf(_mask)); \
         |                              ^~~~~
   drivers/gpu/drm/i915/i915_reg.h:208:40: note: in expansion of macro '_REG_FIELD_GET'
     208 | #define REG_FIELD_GET64(__mask, __val) _REG_FIELD_GET(u64, __mask, __val)
         |                                        ^~~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_pm.c:2936:11: note: in expansion of macro 'REG_FIELD_GET64'
    2936 |   wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
         |           ^~~~~~~~~~~~~~~

vim +35 include/linux/bits.h

295bcca84916cb5 Rikard Falkeborn 2020-04-06  33  
295bcca84916cb5 Rikard Falkeborn 2020-04-06  34  #define __GENMASK(h, l) \
95b980d62d52c4c Masahiro Yamada  2019-07-16 @35  	(((~UL(0)) - (UL(1) << (l)) + 1) & \
95b980d62d52c4c Masahiro Yamada  2019-07-16 @36  	 (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
295bcca84916cb5 Rikard Falkeborn 2020-04-06  37  #define GENMASK(h, l) \
295bcca84916cb5 Rikard Falkeborn 2020-04-06  38  	(GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
8bd9cb51daac893 Will Deacon      2018-06-19  39  

---
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