[Intel-gfx] [RFCv2 DP-typeC 5/6] drm/i915/dp: Enable Upfront link training for typeC DP support on BXT

[kbuild test robot]

Hi Durgadoss,

[auto build test WARNING on drm-intel/for-linux-next -- if it's inappropriate base, please suggest rules for selecting the more suitable base]

url:    https://github.com/0day-ci/linux/commits/Durgadoss-R/Add-support-for-USB-typeC-based-DP/20151014-193613
config: x86_64-randconfig-s5-10142016 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   In file included from include/uapi/linux/stddef.h:1:0,
                    from include/linux/stddef.h:4,
                    from include/uapi/linux/posix_types.h:4,
                    from include/uapi/linux/types.h:13,
                    from include/linux/types.h:5,
                    from include/linux/mod_devicetable.h:11,
                    from include/linux/i2c.h:29,
                    from drivers/gpu/drm/i915/intel_dp.c:28:
   drivers/gpu/drm/i915/intel_dp.c: In function 'intel_dp_upfront_link_train':
   drivers/gpu/drm/i915/intel_dp.c:4803:19: error: 'struct intel_encoder' has no member named 'connectors_active'
     if (intel_encoder->connectors_active && crtc && crtc->enabled) {
                      ^
   include/linux/compiler.h:147:28: note: in definition of macro '__trace_if'
     if (__builtin_constant_p((cond)) ? !!(cond) :   \
                               ^
>> drivers/gpu/drm/i915/intel_dp.c:4803:2: note: in expansion of macro 'if'
     if (intel_encoder->connectors_active && crtc && crtc->enabled) {
     ^
   drivers/gpu/drm/i915/intel_dp.c:4803:19: error: 'struct intel_encoder' has no member named 'connectors_active'
     if (intel_encoder->connectors_active && crtc && crtc->enabled) {
                      ^
   include/linux/compiler.h:147:40: note: in definition of macro '__trace_if'
     if (__builtin_constant_p((cond)) ? !!(cond) :   \
                                           ^
>> drivers/gpu/drm/i915/intel_dp.c:4803:2: note: in expansion of macro 'if'
     if (intel_encoder->connectors_active && crtc && crtc->enabled) {
     ^
   drivers/gpu/drm/i915/intel_dp.c:4803:19: error: 'struct intel_encoder' has no member named 'connectors_active'
     if (intel_encoder->connectors_active && crtc && crtc->enabled) {
                      ^
   include/linux/compiler.h:158:16: note: in definition of macro '__trace_if'
      ______r = !!(cond);     \
                   ^
>> drivers/gpu/drm/i915/intel_dp.c:4803:2: note: in expansion of macro 'if'
     if (intel_encoder->connectors_active && crtc && crtc->enabled) {
     ^
   drivers/gpu/drm/i915/intel_dp.c:4806:3: error: implicit declaration of function 'intel_crtc_control' [-Werror=implicit-function-declaration]
      intel_crtc_control(crtc, false);
      ^
   cc1: some warnings being treated as errors

vim +/if +4803 drivers/gpu/drm/i915/intel_dp.c

  4787	
  4788	static bool intel_dp_upfront_link_train(struct intel_dp *intel_dp)
  4789	{
  4790		struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
  4791		struct drm_crtc *crtc = intel_dig_port->base.base.crtc;
  4792		struct intel_encoder *intel_encoder = &intel_dig_port->base;
  4793		struct drm_device *dev = intel_encoder->base.dev;
  4794		struct intel_crtc *intel_crtc = crtc ? to_intel_crtc(crtc) : NULL;
  4795	
  4796		/*
  4797		 * On hotplug cases, we call _upfront_link_train directly.
  4798		 * In connected boot scenarios (boot with {MIPI/eDP} + DP),
  4799		 * BIOS typically brings up DP. Hence, we disable the crtc
  4800		 * to do _upfront_link_training. It gets re-enabled as part of
  4801		 * subsequent modeset.
  4802		 */
> 4803		if (intel_encoder->connectors_active && crtc && crtc->enabled) {
  4804			DRM_DEBUG_KMS("Disabling crtc %c for upfront link training\n",
  4805					pipe_name(intel_crtc->pipe));
  4806			intel_crtc_control(crtc, false);
  4807		}
  4808	
  4809		if (HAS_DDI(dev))
  4810			return intel_ddi_upfront_link_train(dev, intel_dp, intel_crtc);
  4811	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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