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
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