[Intel-gfx] [PATCH 1/7] drm/i915: Avoid using the i915_fence_array when collecting dependencies

kernel test robot lkp at intel.com
Wed Dec 15 17:08:30 UTC 2021


Hi "Thomas,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on drm-tip/drm-tip]
[also build test WARNING on drm-exynos/exynos-drm-next drm/drm-next next-20211214]
[cannot apply to drm-intel/for-linux-next v5.16-rc5]
[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/Thomas-Hellstr-m/drm-i915-Asynchronous-vma-unbinding/20211215-183859
base:   git://anongit.freedesktop.org/drm/drm-tip drm-tip
config: i386-randconfig-a003-20211214 (https://download.01.org/0day-ci/archive/20211216/202112160151.ZGYtb4Fp-lkp@intel.com/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/0f61eb08a6b9d7fa9f19eaa071ad5591de123633
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Thomas-Hellstr-m/drm-i915-Asynchronous-vma-unbinding/20211215-183859
        git checkout 0f61eb08a6b9d7fa9f19eaa071ad5591de123633
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/

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/gem/i915_gem_ttm_move.c:634:5: warning: no previous prototype for 'prev_deps' [-Wmissing-prototypes]
     634 | int prev_deps(struct ttm_buffer_object *bo, struct ttm_operation_ctx *ctx,
         |     ^~~~~~~~~


vim +/prev_deps +634 drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c

   633	
 > 634	int prev_deps(struct ttm_buffer_object *bo, struct ttm_operation_ctx *ctx,
   635		      struct i915_deps *deps)
   636	{
   637		int ret;
   638	
   639		ret = i915_deps_add_dependency(deps, bo->moving, ctx);
   640		if (!ret)
   641			/*
   642			 * TODO: Only await excl fence here, and shared fences before
   643			 * signaling the migration fence.
   644			 */
   645			ret = i915_deps_add_resv(deps, bo->base.resv, true, false, ctx);
   646	
   647		return ret;
   648	}
   649	

---
0-DAY CI Kernel Test Service, Intel Corporation
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