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

[Daniel Vetter]

On Tue, May 04, 2021 at 03:38:06AM +0800, kernel test robot wrote:
> 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

Ah you missed the static, and I missed that in review. That one should be
fixed :-)
-Daniel

> 
> 
> 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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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch