From mboxrd@z Thu Jan 1 00:00:00 1970 From: Damian Kos Subject: [PATCH 01/12] HACK: increase timeout for drm_atomic_helper_wait_for_vblanks Date: Tue, 3 Jul 2018 11:02:12 +0100 Message-ID: <1530612152-27555-2-git-send-email-dkos@cadence.com> References: <1530612152-27555-1-git-send-email-dkos@cadence.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1530612152-27555-1-git-send-email-dkos@cadence.com> Sender: linux-kernel-owner@vger.kernel.org To: David Airlie , Rob Herring , Mark Rutland , Gustavo Padovan , Maarten Lankhorst , Sean Paul , Sandy Huang , =?UTF-8?q?Heiko=20St=C3=BCbner?= , Damian Kos , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Cc: ltyrala@cadence.com, pgaj@cadence.com, stelford@cadence.com, Quentin Schulz List-Id: devicetree@vger.kernel.org From: Quentin Schulz Due to the DP IP being simulated in a different and way slower way than the rest of the hardware, increase the timeout in drm_atomic_helper_wait_for_vblanks so that we don't miss the vblank event. Signed-off-by: Quentin Schulz Signed-off-by: Damian Kos --- drivers/gpu/drm/drm_atomic_helper.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index c356545..0171249 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -1345,7 +1345,7 @@ int drm_atomic_helper_wait_for_fences(struct drm_device *dev, ret = wait_event_timeout(dev->vblank[i].queue, old_state->crtcs[i].last_vblank_count != drm_crtc_vblank_count(crtc), - msecs_to_jiffies(50)); + msecs_to_jiffies(4000)); WARN(!ret, "[CRTC:%d:%s] vblank wait timed out\n", crtc->base.id, crtc->name); -- 1.7.1