4:58 a.m.
Hi Ville,
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 next-20220211]
[cannot apply to v5.17-rc3]
[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-Plane-wm-...
base: git://anongit.freedesktop.org/drm-intel for-linux-next
config: i386-randconfig-a011
(https://download.01.org/0day-ci/archive/20220211/202202112244.gwKGUmOj-lk...)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project
f6685f774697c85d6a352dcea013f46a99f9fe31)
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/24cedeb8c8ca97104e12936a4647665dd...
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review
Ville-Syrjala/drm-i915-Plane-wm-cleanups/20220211-170856
git checkout 24cedeb8c8ca97104e12936a4647665dd0e9b0f8
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir
ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/i915/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
> drivers/gpu/drm/i915/intel_pm.c:2949:27: warning: shift count
>= width of type [-Wshift-count-overflow]
wm[0] =
REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:1900:34: note: expanded from macro
'SSKPD_NEW_WM0_MASK_HSW'
#define SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
^
drivers/gpu/drm/i915/i915_reg_defs.h:53:38: note: expanded from macro
'REG_GENMASK64'
#define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
^
drivers/gpu/drm/i915/i915_reg_defs.h:26:12: note: expanded from macro
'_REG_GENMASK'
((__type)(GENMASK(__high, __low) + \
^
note: (skipping 9 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:326:9: note: expanded from macro
'__compiletime_assert'
if (!(condition)) \
~~~~~~^~~~~~~~~~~
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) :
__trace_if_value(cond))
^~~~
> drivers/gpu/drm/i915/intel_pm.c:2949:27: warning: shift count is
negative [-Wshift-count-negative]
wm[0] =
REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:1900:34: note: expanded from macro
'SSKPD_NEW_WM0_MASK_HSW'
#define SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
^
drivers/gpu/drm/i915/i915_reg_defs.h:53:38: note: expanded from macro
'REG_GENMASK64'
#define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
^
drivers/gpu/drm/i915/i915_reg_defs.h:26:12: note: expanded from macro
'_REG_GENMASK'
((__type)(GENMASK(__high, __low) + \
^
note: (skipping 9 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:326:9: note: expanded from macro
'__compiletime_assert'
if (!(condition)) \
~~~~~~^~~~~~~~~~~
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) :
__trace_if_value(cond))
^~~~
> drivers/gpu/drm/i915/intel_pm.c:2949:27: warning: shift count
>= width of type [-Wshift-count-overflow]
wm[0] =
REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:1900:34: note: expanded from macro
'SSKPD_NEW_WM0_MASK_HSW'
#define SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
^
drivers/gpu/drm/i915/i915_reg_defs.h:53:38: note: expanded from macro
'REG_GENMASK64'
#define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
^
drivers/gpu/drm/i915/i915_reg_defs.h:26:12: note: expanded from macro
'_REG_GENMASK'
((__type)(GENMASK(__high, __low) + \
^
note: (skipping 9 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:326:9: note: expanded from macro
'__compiletime_assert'
if (!(condition)) \
~~~~~~^~~~~~~~~~~
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:61: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) :
__trace_if_value(cond))
^~~~
> drivers/gpu/drm/i915/intel_pm.c:2949:27: warning: shift count is
negative [-Wshift-count-negative]
wm[0] =
REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:1900:34: note: expanded from macro
'SSKPD_NEW_WM0_MASK_HSW'
#define SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
^
drivers/gpu/drm/i915/i915_reg_defs.h:53:38: note: expanded from macro
'REG_GENMASK64'
#define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
^
drivers/gpu/drm/i915/i915_reg_defs.h:26:12: note: expanded from macro
'_REG_GENMASK'
((__type)(GENMASK(__high, __low) + \
^
note: (skipping 9 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:326:9: note: expanded from macro
'__compiletime_assert'
if (!(condition)) \
~~~~~~^~~~~~~~~~~
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:61: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) :
__trace_if_value(cond))
^~~~
> drivers/gpu/drm/i915/intel_pm.c:2949:27: warning: shift count
>= width of type [-Wshift-count-overflow]
wm[0] =
REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:1900:34: note: expanded from macro
'SSKPD_NEW_WM0_MASK_HSW'
#define SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
^
drivers/gpu/drm/i915/i915_reg_defs.h:53:38: note: expanded from macro
'REG_GENMASK64'
#define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
^
drivers/gpu/drm/i915/i915_reg_defs.h:26:12: note: expanded from macro
'_REG_GENMASK'
((__type)(GENMASK(__high, __low) + \
^
note: (skipping 9 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:326:9: note: expanded from macro
'__compiletime_assert'
if (!(condition)) \
~~~~~~^~~~~~~~~~~
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) :
__trace_if_value(cond))
^~~~
> drivers/gpu/drm/i915/intel_pm.c:2949:27: warning: shift count is
negative [-Wshift-count-negative]
wm[0] =
REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:1900:34: note: expanded from macro
'SSKPD_NEW_WM0_MASK_HSW'
#define SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
^
drivers/gpu/drm/i915/i915_reg_defs.h:53:38: note: expanded from macro
'REG_GENMASK64'
#define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
^
drivers/gpu/drm/i915/i915_reg_defs.h:26:12: note: expanded from macro
'_REG_GENMASK'
((__type)(GENMASK(__high, __low) + \
^
note: (skipping 9 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:326:9: note: expanded from macro
'__compiletime_assert'
if (!(condition)) \
~~~~~~^~~~~~~~~~~
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) :
__trace_if_value(cond))
^~~~
> drivers/gpu/drm/i915/intel_pm.c:2949:27: warning: shift count
>= width of type [-Wshift-count-overflow]
wm[0] =
REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:1900:34: note: expanded from macro
'SSKPD_NEW_WM0_MASK_HSW'
#define SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
^
drivers/gpu/drm/i915/i915_reg_defs.h:53:38: note: expanded from macro
'REG_GENMASK64'
#define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
^
drivers/gpu/drm/i915/i915_reg_defs.h:26:12: note: expanded from macro
'_REG_GENMASK'
((__type)(GENMASK(__high, __low) + \
^
note: (skipping 9 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:326:9: note: expanded from macro
'__compiletime_assert'
if (!(condition)) \
~~~~~~^~~~~~~~~~~
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:61: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) :
__trace_if_value(cond))
^~~~
> drivers/gpu/drm/i915/intel_pm.c:2949:27: warning: shift count is
negative [-Wshift-count-negative]
wm[0] =
REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:1900:34: note: expanded from macro
'SSKPD_NEW_WM0_MASK_HSW'
#define SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
^
drivers/gpu/drm/i915/i915_reg_defs.h:53:38: note: expanded from macro
'REG_GENMASK64'
#define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
^
drivers/gpu/drm/i915/i915_reg_defs.h:26:12: note: expanded from macro
'_REG_GENMASK'
((__type)(GENMASK(__high, __low) + \
^
note: (skipping 9 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:326:9: note: expanded from macro
'__compiletime_assert'
if (!(condition)) \
~~~~~~^~~~~~~~~~~
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:61: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) :
__trace_if_value(cond))
^~~~
> drivers/gpu/drm/i915/intel_pm.c:2949:27: warning: shift count
>= width of type [-Wshift-count-overflow]
wm[0] =
REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:1900:34: note: expanded from macro
'SSKPD_NEW_WM0_MASK_HSW'
#define SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
^
drivers/gpu/drm/i915/i915_reg_defs.h:53:38: note: expanded from macro
'REG_GENMASK64'
#define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
^
drivers/gpu/drm/i915/i915_reg_defs.h:26:12: note: expanded from macro
'_REG_GENMASK'
((__type)(GENMASK(__high, __low) + \
^
note: (skipping 9 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:326:9: note: expanded from macro
'__compiletime_assert'
if (!(condition)) \
~~~~~~^~~~~~~~~~~
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) :
__trace_if_value(cond))
^~~~
> drivers/gpu/drm/i915/intel_pm.c:2949:27: warning: shift count is
negative [-Wshift-count-negative]
wm[0] =
REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:1900:34: note: expanded from macro
'SSKPD_NEW_WM0_MASK_HSW'
#define SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
^
drivers/gpu/drm/i915/i915_reg_defs.h:53:38: note: expanded from macro
'REG_GENMASK64'
#define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
^
drivers/gpu/drm/i915/i915_reg_defs.h:26:12: note: expanded from macro
'_REG_GENMASK'
((__type)(GENMASK(__high, __low) + \
^
note: (skipping 9 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:326:9: note: expanded from macro
'__compiletime_assert'
if (!(condition)) \
~~~~~~^~~~~~~~~~~
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) :
__trace_if_value(cond))
^~~~
> drivers/gpu/drm/i915/intel_pm.c:2949:27: warning: shift count
>= width of type [-Wshift-count-overflow]
wm[0] =
REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:1900:34: note: expanded from macro
'SSKPD_NEW_WM0_MASK_HSW'
#define SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
^
drivers/gpu/drm/i915/i915_reg_defs.h:53:38: note: expanded from macro
'REG_GENMASK64'
#define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
^
drivers/gpu/drm/i915/i915_reg_defs.h:26:12: note: expanded from macro
'_REG_GENMASK'
((__type)(GENMASK(__high, __low) + \
^
note: (skipping 10 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:326:9: note: expanded from macro
'__compiletime_assert'
if (!(condition)) \
~~~~~~^~~~~~~~~~~
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) :
__trace_if_value(cond))
^~~~
> drivers/gpu/drm/i915/intel_pm.c:2949:27: warning: shift count is
negative [-Wshift-count-negative]
wm[0] =
REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:1900:34: note: expanded from macro
'SSKPD_NEW_WM0_MASK_HSW'
#define SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
^
drivers/gpu/drm/i915/i915_reg_defs.h:53:38: note: expanded from macro
'REG_GENMASK64'
#define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
^
drivers/gpu/drm/i915/i915_reg_defs.h:26:12: note: expanded from macro
'_REG_GENMASK'
((__type)(GENMASK(__high, __low) + \
^
note: (skipping 10 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:326:9: note: expanded from macro
'__compiletime_assert'
if (!(condition)) \
~~~~~~^~~~~~~~~~~
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) :
__trace_if_value(cond))
^~~~
> drivers/gpu/drm/i915/intel_pm.c:2949:27: warning: shift count
>= width of type [-Wshift-count-overflow]
wm[0] =
REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:1900:34: note: expanded from macro
'SSKPD_NEW_WM0_MASK_HSW'
#define SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
^
drivers/gpu/drm/i915/i915_reg_defs.h:53:38: note: expanded from macro
'REG_GENMASK64'
#define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
^
drivers/gpu/drm/i915/i915_reg_defs.h:26:12: note: expanded from macro
'_REG_GENMASK'
((__type)(GENMASK(__high, __low) + \
^
note: (skipping 9 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:326:9: note: expanded from macro
'__compiletime_assert'
if (!(condition)) \
~~~~~~^~~~~~~~~~~
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:61: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) :
__trace_if_value(cond))
^~~~
> drivers/gpu/drm/i915/intel_pm.c:2949:27: warning: shift count is
negative [-Wshift-count-negative]
wm[0] =
REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:1900:34: note: expanded from macro
'SSKPD_NEW_WM0_MASK_HSW'
#define SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
^
drivers/gpu/drm/i915/i915_reg_defs.h:53:38: note: expanded from macro
'REG_GENMASK64'
#define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
^
drivers/gpu/drm/i915/i915_reg_defs.h:26:12: note: expanded from macro
'_REG_GENMASK'
((__type)(GENMASK(__high, __low) + \
^
note: (skipping 9 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:326:9: note: expanded from macro
'__compiletime_assert'
if (!(condition)) \
~~~~~~^~~~~~~~~~~
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:61: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) :
__trace_if_value(cond))
^~~~
> drivers/gpu/drm/i915/intel_pm.c:2949:27: warning: shift count
>= width of type [-Wshift-count-overflow]
wm[0] =
REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:1900:34: note: expanded from macro
'SSKPD_NEW_WM0_MASK_HSW'
#define SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
^
drivers/gpu/drm/i915/i915_reg_defs.h:53:38: note: expanded from macro
'REG_GENMASK64'
#define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
^
drivers/gpu/drm/i915/i915_reg_defs.h:26:12: note: expanded from macro
'_REG_GENMASK'
((__type)(GENMASK(__high, __low) + \
^
note: (skipping 10 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:326:9: note: expanded from macro
'__compiletime_assert'
if (!(condition)) \
~~~~~~^~~~~~~~~~~
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:61: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) :
__trace_if_value(cond))
^~~~
> drivers/gpu/drm/i915/intel_pm.c:2949:27: warning: shift count is
negative [-Wshift-count-negative]
wm[0] =
REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:1900:34: note: expanded from macro
'SSKPD_NEW_WM0_MASK_HSW'
#define SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
^
drivers/gpu/drm/i915/i915_reg_defs.h:53:38: note: expanded from macro
'REG_GENMASK64'
#define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
^
drivers/gpu/drm/i915/i915_reg_defs.h:26:12: note: expanded from macro
'_REG_GENMASK'
((__type)(GENMASK(__high, __low) + \
^
note: (skipping 10 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:326:9: note: expanded from macro
'__compiletime_assert'
if (!(condition)) \
~~~~~~^~~~~~~~~~~
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:61: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) :
__trace_if_value(cond))
^~~~
> drivers/gpu/drm/i915/intel_pm.c:2949:27: warning: shift count
>= width of type [-Wshift-count-overflow]
wm[0] =
REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:1900:34: note: expanded from macro
'SSKPD_NEW_WM0_MASK_HSW'
#define SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
^
drivers/gpu/drm/i915/i915_reg_defs.h:53:38: note: expanded from macro
'REG_GENMASK64'
#define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
^
drivers/gpu/drm/i915/i915_reg_defs.h:26:12: note: expanded from macro
'_REG_GENMASK'
((__type)(GENMASK(__high, __low) + \
^
note: (skipping 10 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:326:9: note: expanded from macro
'__compiletime_assert'
if (!(condition)) \
~~~~~~^~~~~~~~~~~
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) :
__trace_if_value(cond))
^~~~
> drivers/gpu/drm/i915/intel_pm.c:2949:27: warning: shift count is
negative [-Wshift-count-negative]
wm[0] =
REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:1900:34: note: expanded from macro
'SSKPD_NEW_WM0_MASK_HSW'
#define SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
^
drivers/gpu/drm/i915/i915_reg_defs.h:53:38: note: expanded from macro
'REG_GENMASK64'
#define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
^
drivers/gpu/drm/i915/i915_reg_defs.h:26:12: note: expanded from macro
'_REG_GENMASK'
((__type)(GENMASK(__high, __low) + \
^
note: (skipping 10 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:326:9: note: expanded from macro
'__compiletime_assert'
if (!(condition)) \
~~~~~~^~~~~~~~~~~
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) :
__trace_if_value(cond))
^~~~
> drivers/gpu/drm/i915/intel_pm.c:2949:27: warning: shift count
>= width of type [-Wshift-count-overflow]
wm[0] =
REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:1900:34: note: expanded from macro
'SSKPD_NEW_WM0_MASK_HSW'
#define SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
^
drivers/gpu/drm/i915/i915_reg_defs.h:53:38: note: expanded from macro
'REG_GENMASK64'
#define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
^
drivers/gpu/drm/i915/i915_reg_defs.h:26:12: note: expanded from macro
'_REG_GENMASK'
((__type)(GENMASK(__high, __low) + \
^
note: (skipping 10 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:326:9: note: expanded from macro
'__compiletime_assert'
if (!(condition)) \
~~~~~~^~~~~~~~~~~
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:61: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) :
__trace_if_value(cond))
^~~~
> drivers/gpu/drm/i915/intel_pm.c:2949:27: warning: shift count is
negative [-Wshift-count-negative]
wm[0] =
REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:1900:34: note: expanded from macro
'SSKPD_NEW_WM0_MASK_HSW'
#define SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
^
drivers/gpu/drm/i915/i915_reg_defs.h:53:38: note: expanded from macro
'REG_GENMASK64'
#define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
^
drivers/gpu/drm/i915/i915_reg_defs.h:26:12: note: expanded from macro
'_REG_GENMASK'
((__type)(GENMASK(__high, __low) + \
^
note: (skipping 10 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:326:9: note: expanded from macro
'__compiletime_assert'
if (!(condition)) \
~~~~~~^~~~~~~~~~~
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:61: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) :
__trace_if_value(cond))
^~~~
drivers/gpu/drm/i915/intel_pm.c:2949:27: warning: shift count >= width of type
[-Wshift-count-overflow]
wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:1900:34: note: expanded from macro
'SSKPD_NEW_WM0_MASK_HSW'
#define SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
^
drivers/gpu/drm/i915/i915_reg_defs.h:53:38: note: expanded from macro
'REG_GENMASK64'
#define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
^
drivers/gpu/drm/i915/i915_reg_defs.h:26:12: note: expanded from macro
'_REG_GENMASK'
((__type)(GENMASK(__high, __low) + \
^
note: (skipping 11 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:326:9: note: expanded from macro
'__compiletime_assert'
if (!(condition)) \
~~~~~~^~~~~~~~~~~
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) :
__trace_if_value(cond))
^~~~
drivers/gpu/drm/i915/intel_pm.c:2949:27: warning: shift count is negative
[-Wshift-count-negative]
wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:1900:34: note: expanded from macro
'SSKPD_NEW_WM0_MASK_HSW'
#define SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
^
drivers/gpu/drm/i915/i915_reg_defs.h:53:38: note: expanded from macro
'REG_GENMASK64'
#define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
^
drivers/gpu/drm/i915/i915_reg_defs.h:26:12: note: expanded from macro
'_REG_GENMASK'
((__type)(GENMASK(__high, __low) + \
^
note: (skipping 11 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:326:9: note: expanded from macro
'__compiletime_assert'
if (!(condition)) \
~~~~~~^~~~~~~~~~~
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) :
__trace_if_value(cond))
^~~~
drivers/gpu/drm/i915/intel_pm.c:2949:27: warning: shift count >= width of type
[-Wshift-count-overflow]
wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:1900:34: note: expanded from macro
'SSKPD_NEW_WM0_MASK_HSW'
#define SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
^
drivers/gpu/drm/i915/i915_reg_defs.h:53:38: note: expanded from macro
'REG_GENMASK64'
#define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
^
drivers/gpu/drm/i915/i915_reg_defs.h:26:12: note: expanded from macro
'_REG_GENMASK'
((__type)(GENMASK(__high, __low) + \
^
note: (skipping 12 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:326:9: note: expanded from macro
'__compiletime_assert'
if (!(condition)) \
~~~~~~^~~~~~~~~~~
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) :
__trace_if_value(cond))
^~~~
drivers/gpu/drm/i915/intel_pm.c:2949:27: warning: shift count is negative
[-Wshift-count-negative]
wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:1900:34: note: expanded from macro
'SSKPD_NEW_WM0_MASK_HSW'
#define SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56)
^
drivers/gpu/drm/i915/i915_reg_defs.h:53:38: note: expanded from macro
'REG_GENMASK64'
#define REG_GENMASK64(__high, __low) _REG_GENMASK(u64, __high, __low)
^
drivers/gpu/drm/i915/i915_reg_defs.h:26:12: note: expanded from macro
'_REG_GENMASK'
((__type)(GENMASK(__high, __low) + \
^
note: (skipping 12 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
vim +2949 drivers/gpu/drm/i915/intel_pm.c
2859
2860 static void intel_read_wm_latency(struct drm_i915_private *dev_priv,
2861 u16 wm[8])
2862 {
2863 struct intel_uncore *uncore = &dev_priv->uncore;
2864
2865 if (DISPLAY_VER(dev_priv) >= 9) {
2866 u32 val;
2867 int ret, i;
2868 int level, max_level = ilk_wm_max_level(dev_priv);
2869 int mult = IS_DG2(dev_priv) ? 2 : 1;
2870
2871 /* read the first set of memory latencies[0:3] */
2872 val = 0; /* data0 to be programmed to 0 for first set */
2873 ret = snb_pcode_read(dev_priv, GEN9_PCODE_READ_MEM_LATENCY,
2874 &val, NULL);
2875
2876 if (ret) {
2877 drm_err(&dev_priv->drm,
2878 "SKL Mailbox read error = %d\n", ret);
2879 return;
2880 }
2881
2882 wm[0] = (val & GEN9_MEM_LATENCY_LEVEL_MASK) * mult;
2883 wm[1] = ((val >> GEN9_MEM_LATENCY_LEVEL_1_5_SHIFT) &
2884 GEN9_MEM_LATENCY_LEVEL_MASK) * mult;
2885 wm[2] = ((val >> GEN9_MEM_LATENCY_LEVEL_2_6_SHIFT) &
2886 GEN9_MEM_LATENCY_LEVEL_MASK) * mult;
2887 wm[3] = ((val >> GEN9_MEM_LATENCY_LEVEL_3_7_SHIFT) &
2888 GEN9_MEM_LATENCY_LEVEL_MASK) * mult;
2889
2890 /* read the second set of memory latencies[4:7] */
2891 val = 1; /* data0 to be programmed to 1 for second set */
2892 ret = snb_pcode_read(dev_priv, GEN9_PCODE_READ_MEM_LATENCY,
2893 &val, NULL);
2894 if (ret) {
2895 drm_err(&dev_priv->drm,
2896 "SKL Mailbox read error = %d\n", ret);
2897 return;
2898 }
2899
2900 wm[4] = (val & GEN9_MEM_LATENCY_LEVEL_MASK) * mult;
2901 wm[5] = ((val >> GEN9_MEM_LATENCY_LEVEL_1_5_SHIFT) &
2902 GEN9_MEM_LATENCY_LEVEL_MASK) * mult;
2903 wm[6] = ((val >> GEN9_MEM_LATENCY_LEVEL_2_6_SHIFT) &
2904 GEN9_MEM_LATENCY_LEVEL_MASK) * mult;
2905 wm[7] = ((val >> GEN9_MEM_LATENCY_LEVEL_3_7_SHIFT) &
2906 GEN9_MEM_LATENCY_LEVEL_MASK) * mult;
2907
2908 /*
2909 * If a level n (n > 1) has a 0us latency, all levels m (m >= n)
2910 * need to be disabled. We make sure to sanitize the values out
2911 * of the punit to satisfy this requirement.
2912 */
2913 for (level = 1; level <= max_level; level++) {
2914 if (wm[level] == 0) {
2915 for (i = level + 1; i <= max_level; i++)
2916 wm[i] = 0;
2917
2918 max_level = level - 1;
2919
2920 break;
2921 }
2922 }
2923
2924 /*
2925 * WaWmMemoryReadLatency
2926 *
2927 * punit doesn't take into account the read latency so we need
2928 * to add proper adjustement to each valid level we retrieve
2929 * from the punit when level 0 response data is 0us.
2930 */
2931 if (wm[0] == 0) {
2932 u8 adjust = DISPLAY_VER(dev_priv) >= 12 ? 3 : 2;
2933
2934 for (level = 0; level <= max_level; level++)
2935 wm[level] += adjust;
2936 }
2937
2938 /*
2939 * WA Level-0 adjustment for 16GB DIMMs: SKL+
2940 * If we could not get dimm info enable this WA to prevent from
2941 * any underrun. If not able to get Dimm info assume 16GB dimm
2942 * to avoid any underrun.
2943 */
2944 if (dev_priv->dram_info.wm_lv_0_adjust_needed)
2945 wm[0] += 1;
2946 } else if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) {
2947 u64 sskpd = intel_uncore_read64(uncore, MCH_SSKPD);
2948
2949 wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd);
2950 if (wm[0] == 0)
2951 wm[0] = REG_FIELD_GET64(SSKPD_OLD_WM0_MASK_HSW, sskpd);
2952 wm[1] = REG_FIELD_GET64(SSKPD_WM1_MASK_HSW, sskpd);
2953 wm[2] = REG_FIELD_GET64(SSKPD_WM2_MASK_HSW, sskpd);
2954 wm[3] = REG_FIELD_GET64(SSKPD_WM3_MASK_HSW, sskpd);
2955 wm[4] = REG_FIELD_GET64(SSKPD_WM4_MASK_HSW, sskpd);
2956 } else if (DISPLAY_VER(dev_priv) >= 6) {
2957 u32 sskpd = intel_uncore_read(uncore, MCH_SSKPD);
2958
2959 wm[0] = REG_FIELD_GET(SSKPD_WM0_MASK_SNB, sskpd);
2960 wm[1] = REG_FIELD_GET(SSKPD_WM1_MASK_SNB, sskpd);
2961 wm[2] = REG_FIELD_GET(SSKPD_WM2_MASK_SNB, sskpd);
2962 wm[3] = REG_FIELD_GET(SSKPD_WM3_MASK_SNB, sskpd);
2963 } else if (DISPLAY_VER(dev_priv) >= 5) {
2964 u32 mltr = intel_uncore_read(uncore, MLTR_ILK);
2965
2966 /* ILK primary LP0 latency is 700 ns */
2967 wm[0] = 7;
2968 wm[1] = REG_FIELD_GET(MLTR_WM1_MASK, mltr);
2969 wm[2] = REG_FIELD_GET(MLTR_WM2_MASK, mltr);
2970 } else {
2971 MISSING_CASE(INTEL_DEVID(dev_priv));
2972 }
2973 }
2974
---
0-DAY CI Kernel Test Service, Intel Corporation
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