[Intel-gfx] [PATCH 22/27] drm/i915/gem: Delay context creation

[kernel test robot]

Hi Jason,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on drm-intel/for-linux-next]
[also build test ERROR on drm-tip/drm-tip drm-exynos/exynos-drm-next next-20210503]
[cannot apply to tegra-drm/drm/tegra/for-next v5.12]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Jason-Ekstrand/drm-i915-gem-ioctl-clean-ups-v5/20210504-000132
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: i386-randconfig-r013-20210503 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/66ce6ce447515a302711a65f731d1e6f66abdcdc
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Jason-Ekstrand/drm-i915-gem-ioctl-clean-ups-v5/20210504-000132
        git checkout 66ce6ce447515a302711a65f731d1e6f66abdcdc
        # save the attached .config to linux build tree
        make W=1 W=1 ARCH=i386 

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

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/i915/gem/i915_gem_context.c:2543:1: error: no previous prototype for 'lazy_create_context_locked' [-Werror=missing-prototypes]
    2543 | lazy_create_context_locked(struct drm_i915_file_private *file_priv,
         | ^~~~~~~~~~~~~~~~~~~~~~~~~~
   cc1: all warnings being treated as errors


vim +/lazy_create_context_locked +2543 drivers/gpu/drm/i915/gem/i915_gem_context.c

  2541	
  2542	struct i915_gem_context *
> 2543	lazy_create_context_locked(struct drm_i915_file_private *file_priv,
  2544				   struct i915_gem_proto_context *pc, u32 id)
  2545	{
  2546		struct i915_gem_context *ctx;
  2547		void *old;
  2548	
  2549		lockdep_assert_held(&file_priv->proto_context_lock);
  2550	
  2551		ctx = i915_gem_create_context(file_priv->dev_priv, pc);
  2552		if (IS_ERR(ctx))
  2553			return ctx;
  2554	
  2555		gem_context_register(ctx, file_priv, id);
  2556	
  2557		old = xa_erase(&file_priv->proto_context_xa, id);
  2558		GEM_BUG_ON(old != pc);
  2559		proto_context_close(pc);
  2560	
  2561		/* One for the xarray and one for the caller */
  2562		return i915_gem_context_get(ctx);
  2563	}
  2564	

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