Re: [PATCH v2] Revert "drm/i915/chv: Set min freq to efficient frequency on chv"

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Hi Deepak,

[auto build test WARNING on drm-intel/for-linux-next]
[also build test WARNING on v4.8-rc1 next-20160811]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/deepak-s-linux-intel-com/Revert-drm-i915-chv-Set-min-freq-to-efficient-frequency-on-chv/20160812-135320
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: x86_64-randconfig-x019-201632 (attached as .config)
compiler: gcc-6 (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   drivers/gpu/drm/i915/intel_pm.c: In function 'cherryview_rps_min_freq':
   drivers/gpu/drm/i915/intel_pm.c:5610:28: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types]
     struct pci_device *pdev = dev_priv->drm.pdev;
                               ^~~~~~~~
   In file included from include/linux/err.h:4:0,
                    from include/linux/clk.h:15,
                    from include/linux/cpufreq.h:14,
                    from drivers/gpu/drm/i915/intel_pm.c:28:
   drivers/gpu/drm/i915/intel_pm.c:5613:10: error: dereferencing pointer to incomplete type 'struct pci_device'
     if (pdev->revision >= 0x20) {
             ^
   include/linux/compiler.h:151:30: note: in definition of macro '__trace_if'
     if (__builtin_constant_p(!!(cond)) ? !!(cond) :   \
                                 ^~~~
>> drivers/gpu/drm/i915/intel_pm.c:5613:2: note: in expansion of macro 'if'
     if (pdev->revision >= 0x20) {
     ^~
   cc1: some warnings being treated as errors

vim +/if +5613 drivers/gpu/drm/i915/intel_pm.c

  5597	
  5598	static int cherryview_rps_guar_freq(struct drm_i915_private *dev_priv)
  5599	{
  5600		u32 val, rp1;
  5601	
  5602		val = vlv_punit_read(dev_priv, FB_GFX_FMAX_AT_VMAX_FUSE);
  5603		rp1 = (val & FB_GFX_FREQ_FUSE_MASK);
  5604	
  5605		return rp1;
  5606	}
  5607	
  5608	static u32 cherryview_rps_min_freq(struct drm_i915_private *dev_priv)
  5609	{
  5610		struct pci_device *pdev = dev_priv->drm.pdev;
  5611		u32 val, rpn;
  5612	
> 5613		if (pdev->revision >= 0x20) {
  5614			val = vlv_punit_read(dev_priv, FB_GFX_FMIN_AT_VMIN_FUSE);
  5615			rpn = ((val >> FB_GFX_FMIN_AT_VMIN_FUSE_SHIFT) &
  5616			       FB_GFX_FREQ_FUSE_MASK);
  5617		} else { /* For pre-production hardware */
  5618			val = vlv_punit_read(dev_priv, PUNIT_GPU_STATUS_REG);
  5619			rpn = ((val >> PUNIT_GPU_STATIS_GFX_MIN_FREQ_SHIFT) &
  5620			       PUNIT_GPU_STATUS_GFX_MIN_FREQ_MASK);
  5621		}

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

Attachment: .config.gz
Description: Binary data

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