Hi Tina, Thank you for the patch! Yet something to improve: [auto build test ERROR on drm-intel/for-linux-next] [cannot apply to v5.3 next-20190920] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Tina-Zhang/Deliver-vGPU-display-refresh-event-to-userspace/20190924-145111 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: x86_64-fedora-25 (attached as .config) compiler: gcc-7 (Debian 7.4.0-13) 7.4.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/gpu/drm/i915/gvt/display.c: In function 'emulate_vblank_on_pipe': >> drivers/gpu/drm/i915/gvt/display.c:429:10: error: 'struct intel_vgpu' has no member named 'vdev' if (vgpu->vdev.vblank_trigger && !vgpu->vdev.display_event_mask && ^~ drivers/gpu/drm/i915/gvt/display.c:429:40: error: 'struct intel_vgpu' has no member named 'vdev' if (vgpu->vdev.vblank_trigger && !vgpu->vdev.display_event_mask && ^~ drivers/gpu/drm/i915/gvt/display.c:431:22: error: 'struct intel_vgpu' has no member named 'vdev' eventfd_signal(vgpu->vdev.vblank_trigger, eventfd_signal_val); ^~ vim +429 drivers/gpu/drm/i915/gvt/display.c 393 394 static void emulate_vblank_on_pipe(struct intel_vgpu *vgpu, int pipe) 395 { 396 struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; 397 struct intel_vgpu_irq *irq = &vgpu->irq; 398 int vblank_event[] = { 399 [PIPE_A] = PIPE_A_VBLANK, 400 [PIPE_B] = PIPE_B_VBLANK, 401 [PIPE_C] = PIPE_C_VBLANK, 402 }; 403 int pri_flip_event = SKL_FLIP_EVENT(pipe, PLANE_PRIMARY); 404 int event; 405 u64 eventfd_signal_val = 0; 406 407 if (pipe < PIPE_A || pipe > PIPE_C) 408 return; 409 410 for_each_set_bit(event, irq->flip_done_event[pipe], 411 INTEL_GVT_EVENT_MAX) { 412 clear_bit(event, irq->flip_done_event[pipe]); 413 if (!pipe_is_enabled(vgpu, pipe)) 414 continue; 415 416 if (event == pri_flip_event) 417 eventfd_signal_val |= DISPLAY_PRI_REFRESH_EVENT_VAL; 418 419 intel_vgpu_trigger_virtual_event(vgpu, event); 420 } 421 422 if (eventfd_signal_val) 423 vgpu->no_pageflip_count = 0; 424 else if (!eventfd_signal_val && vgpu->no_pageflip_count > PAGEFLIP_DELAY_THR) 425 eventfd_signal_val |= DISPLAY_PRI_REFRESH_EVENT_VAL; 426 else 427 vgpu->no_pageflip_count++; 428 > 429 if (vgpu->vdev.vblank_trigger && !vgpu->vdev.display_event_mask && 430 eventfd_signal_val) 431 eventfd_signal(vgpu->vdev.vblank_trigger, eventfd_signal_val); 432 433 if (pipe_is_enabled(vgpu, pipe)) { 434 vgpu_vreg_t(vgpu, PIPE_FRMCOUNT_G4X(pipe))++; 435 intel_vgpu_trigger_virtual_event(vgpu, vblank_event[pipe]); 436 } 437 } 438 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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