[Intel-gfx] [PATCH] drm/ttm: replace busy placement with flags v2
kernel test robot
lkp at intel.com
Thu Nov 9 11:56:10 UTC 2023
Hi Somalapuram,
kernel test robot noticed the following build warnings:
[auto build test WARNING on drm-tip/drm-tip]
url: https://github.com/intel-lab-lkp/linux/commits/Somalapuram-Amaranath/drm-ttm-replace-busy-placement-with-flags-v2/20231109-104055
base: git://anongit.freedesktop.org/drm/drm-tip drm-tip
patch link: https://lore.kernel.org/r/20231109023843.32326-1-Amaranath.Somalapuram%40amd.com
patch subject: [Intel-gfx] [PATCH] drm/ttm: replace busy placement with flags v2
config: i386-randconfig-012-20231109 (https://download.01.org/0day-ci/archive/20231109/202311091943.7pZTiigS-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231109/202311091943.7pZTiigS-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311091943.7pZTiigS-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/gpu/drm/i915/gem/i915_gem_ttm.c: In function 'i915_ttm_get_pages':
>> drivers/gpu/drm/i915/gem/i915_gem_ttm.c:165:18: warning: 'places.flags' is used uninitialized in this function [-Wuninitialized]
165 | places[0].flags |= TTM_PL_FLAG_IDLE;
| ^~
vim +165 drivers/gpu/drm/i915/gem/i915_gem_ttm.c
155
156 static void
157 i915_ttm_placement_from_obj(const struct drm_i915_gem_object *obj,
158 struct ttm_place *places,
159 struct ttm_placement *placement)
160 {
161 unsigned int num_allowed = obj->mm.n_placements;
162 unsigned int flags = obj->flags;
163 unsigned int i;
164
> 165 places[0].flags |= TTM_PL_FLAG_IDLE;
166 i915_ttm_place_from_region(num_allowed ? obj->mm.placements[0] :
167 obj->mm.region, &places[0], obj->bo_offset,
168 obj->base.size, flags);
169
170 /* Cache this on object? */
171 for (i = 0; i < num_allowed; ++i) {
172 i915_ttm_place_from_region(obj->mm.placements[i],
173 &places[i + 1], obj->bo_offset,
174 obj->base.size, flags);
175 places[i + 1].flags |= TTM_PL_FLAG_BUSY;
176 }
177
178 placement->num_placement = num_allowed + 1;
179 placement->placement = places;
180 }
181
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
More information about the Intel-gfx
mailing list