Hi Chris, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on drm-intel/for-linux-next] [also build test WARNING on next-20190618] [cannot apply to v5.2-rc5] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Chris-Wilson/drm-i915-blt-Remove-recursive-vma-lock/20190618-194749 base: git://anongit.freedesktop.org/drm-intel for-linux-next reproduce: # apt-get install sparse # sparse version: v0.6.1-rc1-7-g2b96cd8-dirty make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/i915/gem/i915_gem_client_blt.c:201:65: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected struct i915_request *rq @@ got uct i915_request *rq @@ >> drivers/gpu/drm/i915/gem/i915_gem_client_blt.c:201:65: sparse: expected struct i915_request *rq >> drivers/gpu/drm/i915/gem/i915_gem_client_blt.c:201:65: sparse: got struct dma_fence * include/linux/reservation.h:220:20: sparse: sparse: dereference of noderef expression include/linux/reservation.h:220:45: sparse: sparse: dereference of noderef expression include/linux/reservation.h:220:20: sparse: sparse: dereference of noderef expression include/linux/reservation.h:220:45: sparse: sparse: dereference of noderef expression vim +201 drivers/gpu/drm/i915/gem/i915_gem_client_blt.c 153 154 static void clear_pages_worker(struct work_struct *work) 155 { 156 struct clear_pages_work *w = container_of(work, typeof(*w), work); 157 struct drm_i915_private *i915 = w->ce->gem_context->i915; 158 struct drm_i915_gem_object *obj = w->sleeve->obj; 159 struct i915_vma *vma = w->sleeve->vma; 160 struct i915_request *rq; 161 int err = w->dma.error; 162 163 if (unlikely(err)) 164 goto out_signal; 165 166 if (obj->cache_dirty) { 167 obj->write_domain = 0; 168 if (i915_gem_object_has_struct_page(obj)) 169 drm_clflush_sg(w->sleeve->pages); 170 obj->cache_dirty = false; 171 } 172 173 /* XXX: we need to kill this */ 174 mutex_lock(&i915->drm.struct_mutex); 175 err = i915_vma_pin(vma, 0, 0, PIN_USER); 176 if (unlikely(err)) 177 goto out_unlock; 178 179 rq = i915_request_create(w->ce); 180 if (IS_ERR(rq)) { 181 err = PTR_ERR(rq); 182 goto out_unpin; 183 } 184 185 /* There's no way the fence has signalled */ 186 if (dma_fence_add_callback(&rq->fence, &w->cb, 187 clear_pages_dma_fence_cb)) 188 GEM_BUG_ON(1); 189 190 if (w->ce->engine->emit_init_breadcrumb) { 191 err = w->ce->engine->emit_init_breadcrumb(rq); 192 if (unlikely(err)) 193 goto out_request; 194 } 195 196 /* 197 * w->dma is already exported via (vma|obj)->resv we need only 198 * keep track of the GPU activity within this vma/request, and 199 * propagate the signal from the request to w->dma. 200 */ > 201 err = i915_active_ref(&vma->active, rq->fence.context, &rq->fence); 202 if (err) 203 goto out_request; 204 205 err = intel_emit_vma_fill_blt(rq, vma, w->value); 206 out_request: 207 if (unlikely(err)) { 208 i915_request_skip(rq, err); 209 err = 0; 210 } 211 212 i915_request_add(rq); 213 out_unpin: 214 i915_vma_unpin(vma); 215 out_unlock: 216 mutex_unlock(&i915->drm.struct_mutex); 217 out_signal: 218 if (unlikely(err)) { 219 dma_fence_set_error(&w->dma, err); 220 dma_fence_signal(&w->dma); 221 dma_fence_put(&w->dma); 222 } 223 } 224 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
