From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751855AbcCVUSE (ORCPT ); Tue, 22 Mar 2016 16:18:04 -0400 Received: from mail-yw0-f195.google.com ([209.85.161.195]:34710 "EHLO mail-yw0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750782AbcCVUSB (ORCPT ); Tue, 22 Mar 2016 16:18:01 -0400 From: Gustavo Padovan To: Gerd Hoffmann Cc: Gustavo Padovan , David Airlie , dri-devel@lists.freedesktop.org (open list:VIRTIO GPU DRIVER), virtualization@lists.linux-foundation.org (open list:VIRTIO GPU DRIVER), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v2] drm/virtio: send vblank event after crtc updates Date: Tue, 22 Mar 2016 17:17:52 -0300 Message-Id: <1458677872-6024-1-git-send-email-gustavo@padovan.org> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1458588187-26002-2-git-send-email-gustavo@padovan.org> References: <1458588187-26002-2-git-send-email-gustavo@padovan.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Gustavo Padovan virtio_gpu was failing to send vblank events when using the atomic IOCTL with the DRM_MODE_PAGE_FLIP_EVENT flag set. This patch fixes each and enables atomic pageflips updates. Signed-off-by: Gustavo Padovan --- drivers/gpu/drm/virtio/virtgpu_display.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c index b70bb8b..4f372e0 100644 --- a/drivers/gpu/drm/virtio/virtgpu_display.c +++ b/drivers/gpu/drm/virtio/virtgpu_display.c @@ -274,12 +274,24 @@ static int virtio_gpu_crtc_atomic_check(struct drm_crtc *crtc, return 0; } +static void virtio_gpu_crtc_atomic_flush(struct drm_crtc *crtc, + struct drm_crtc_state *old_state) +{ + unsigned long flags; + + spin_lock_irqsave(&crtc->dev->event_lock, flags); + if (crtc->state->event) + drm_crtc_send_vblank_event(crtc, crtc->state->event); + spin_unlock_irqrestore(&crtc->dev->event_lock, flags); +} + static const struct drm_crtc_helper_funcs virtio_gpu_crtc_helper_funcs = { .enable = virtio_gpu_crtc_enable, .disable = virtio_gpu_crtc_disable, .mode_fixup = virtio_gpu_crtc_mode_fixup, .mode_set_nofb = virtio_gpu_crtc_mode_set_nofb, .atomic_check = virtio_gpu_crtc_atomic_check, + .atomic_flush = virtio_gpu_crtc_atomic_flush, }; static void virtio_gpu_enc_mode_set(struct drm_encoder *encoder, -- 2.5.0