[Intel-gfx] [PATCH v4 1/5] drm/i915: Add enable/disable flip done and flip done handler

[kernel test robot]

Hi Karthik,

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 drm-exynos/exynos-drm-next tegra-drm/drm/tegra/for-next v5.8-rc5 next-20200713]
[cannot apply to drm/drm-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use  as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Karthik-B-S/Asynchronous-flip-implementation-for-i915/20200714-095304
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: x86_64-rhel (attached as .config)
compiler: gcc-9 (Debian 9.3.0-14) 9.3.0
reproduce (this is a W=1 build):
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/i915/i915_irq.c:700:5: warning: no previous prototype for 'g4x_get_flip_counter' [-Wmissing-prototypes]
     700 | u32 g4x_get_flip_counter(struct drm_crtc *crtc)
         |     ^~~~~~~~~~~~~~~~~~~~

vim +/g4x_get_flip_counter +700 drivers/gpu/drm/i915/i915_irq.c

   699	
 > 700	u32 g4x_get_flip_counter(struct drm_crtc *crtc)
   701	{
   702		struct drm_i915_private *dev_priv = to_i915(crtc->dev);
   703		enum pipe pipe = to_intel_crtc(crtc)->pipe;
   704	
   705		return I915_READ(PIPE_FLIPCOUNT_G4X(pipe));
   706	}
   707	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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