tree: git://anongit.freedesktop.org/drm-intel drm-intel-nightly head: 2d854c67e3af36b190e8499a3bfad7cdccde0f67 commit: 01734c300fbff01e321d4ff1b3c91e24e0a3b90d [2/10] Merge remote-tracking branch 'origin/drm-intel-next-fixes' into drm-intel-nightly config: x86_64-randconfig-s1-07150032 (attached as .config) compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430 reproduce: git checkout 01734c300fbff01e321d4ff1b3c91e24e0a3b90d # save the attached .config to linux build tree make ARCH=x86_64

All warnings (new ones prefixed by >>):

In file included from include/linux/ioport.h:12:0, from include/linux/acpi.h:25, from drivers/gpu/drm/i915/intel_opregion.c:28: drivers/gpu/drm/i915/intel_opregion.c: In function 'intel_opregion_get_panel_type': drivers/gpu/drm/i915/intel_opregion.c:1081:17: error: 'dev' undeclared (first use in this function) if (IS_SKYLAKE(dev)) { ^ include/linux/compiler.h:151:30: note: in definition of macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^~~~

...

drivers/gpu/drm/i915/intel_opregion.c:1081:2: note: in expansion of macro 'if'

if (IS_SKYLAKE(dev)) { ^~ include/linux/compiler.h:149:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~

...

drivers/gpu/drm/i915/i915_drv.h:2628:2: note: in expansion of macro 'if'

if (__builtin_types_compatible_p(typeof(*p), struct drm_i915_private)) \ ^~

...

drivers/gpu/drm/i915/i915_drv.h:2636:26: note: in expansion of macro '__I915__'

#define INTEL_INFO(p) (&__I915__(p)->info) ^~~~~~~~ drivers/gpu/drm/i915/i915_drv.h:2695:26: note: in expansion of macro 'INTEL_INFO' #define IS_SKYLAKE(dev) (INTEL_INFO(dev)->is_skylake) ^~~~~~~~~~ drivers/gpu/drm/i915/intel_opregion.c:1081:6: note: in expansion of macro 'IS_SKYLAKE' if (IS_SKYLAKE(dev)) { ^~~~~~~~~~ drivers/gpu/drm/i915/intel_opregion.c:1081:17: note: each undeclared identifier is reported only once for each function it appears in if (IS_SKYLAKE(dev)) { ^ include/linux/compiler.h:151:30: note: in definition of macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^~~~

...

drivers/gpu/drm/i915/intel_opregion.c:1081:2: note: in expansion of macro 'if'

if (IS_SKYLAKE(dev)) { ^~ include/linux/compiler.h:149:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~

...

drivers/gpu/drm/i915/i915_drv.h:2628:2: note: in expansion of macro 'if'

if (__builtin_types_compatible_p(typeof(*p), struct drm_i915_private)) \ ^~

...

drivers/gpu/drm/i915/i915_drv.h:2636:26: note: in expansion of macro '__I915__'

#define INTEL_INFO(p) (&__I915__(p)->info) ^~~~~~~~ drivers/gpu/drm/i915/i915_drv.h:2695:26: note: in expansion of macro 'INTEL_INFO' #define IS_SKYLAKE(dev) (INTEL_INFO(dev)->is_skylake) ^~~~~~~~~~ drivers/gpu/drm/i915/intel_opregion.c:1081:6: note: in expansion of macro 'IS_SKYLAKE' if (IS_SKYLAKE(dev)) { ^~~~~~~~~~

vim +/if +1081 drivers/gpu/drm/i915/intel_opregion.c

a0562819 Ville Syrjälä 2016-04-11 1065 DRM_DEBUG_KMS("Invalid OpRegion panel type 0x%x\n", ret); a0562819 Ville Syrjälä 2016-04-11 1066 return -EINVAL; a0562819 Ville Syrjälä 2016-04-11 1067 } a0562819 Ville Syrjälä 2016-04-11 1068 a0562819 Ville Syrjälä 2016-04-11 1069 /* fall back to VBT panel type? */ a0562819 Ville Syrjälä 2016-04-11 1070 if (ret == 0x0) { a0562819 Ville Syrjälä 2016-04-11 1071 DRM_DEBUG_KMS("No panel type in OpRegion\n"); a0562819 Ville Syrjälä 2016-04-11 1072 return -ENODEV; a0562819 Ville Syrjälä 2016-04-11 1073 } a0562819 Ville Syrjälä 2016-04-11 1074 aeddda06 Ville Syrjälä 2016-07-12 1075 /* aeddda06 Ville Syrjälä 2016-07-12 1076 * FIXME On Dell XPS 13 9350 the OpRegion panel type (0) gives us aeddda06 Ville Syrjälä 2016-07-12 1077 * low vswing for eDP, whereas the VBT panel type (2) gives us normal aeddda06 Ville Syrjälä 2016-07-12 1078 * vswing instead. Low vswing results in some display flickers, so aeddda06 Ville Syrjälä 2016-07-12 1079 * let's simply ignore the OpRegion panel type on SKL for now. aeddda06 Ville Syrjälä 2016-07-12 1080 */ aeddda06 Ville Syrjälä 2016-07-12 @1081 if (IS_SKYLAKE(dev)) { aeddda06 Ville Syrjälä 2016-07-12 1082 DRM_DEBUG_KMS("Ignoring OpRegion panel type (%d)\n", ret - 1); aeddda06 Ville Syrjälä 2016-07-12 1083 return -ENODEV; aeddda06 Ville Syrjälä 2016-07-12 1084 } aeddda06 Ville Syrjälä 2016-07-12 1085 a0562819 Ville Syrjälä 2016-04-11 1086 return ret - 1; a0562819 Ville Syrjälä 2016-04-11 1087 }

:::::: The code at line 1081 was first introduced by commit :::::: aeddda06c1a704bb97c8a7bfe7a472120193bd56 drm/i915: Ignore panel type from OpRegion on SKL

:::::: TO: Ville Syrjälä ville.syrjala@linux.intel.com :::::: CC: Daniel Vetter daniel.vetter@ffwll.ch

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