From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1D77AC4321A for ; Fri, 28 Jun 2019 12:06:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F053C2086D for ; Fri, 28 Jun 2019 12:06:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726956AbfF1MGD (ORCPT ); Fri, 28 Jun 2019 08:06:03 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:53974 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726514AbfF1MGD (ORCPT ); Fri, 28 Jun 2019 08:06:03 -0400 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: bbeckett) with ESMTPSA id 93077263955 From: Robert Beckett To: dri-devel@lists.freedesktop.org Cc: Maarten Lankhorst , Maxime Ripard , Sean Paul , David Airlie , Daniel Vetter , linux-kernel@vger.kernel.org, Philipp Zabel , Robert Beckett Subject: [PATCH v4 0/2] handle vblank when disabling ctc with interrupt disabled Date: Fri, 28 Jun 2019 13:05:30 +0100 Message-Id: X-Mailer: git-send-email 2.18.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add warning when about to send stale vblank. Revert change that stops vblank info being updated if interrupts already disabled. This fixes a stale vblank timestamp issue seen on drm/imx. Changes since v2: Split up the patch in to smaller pieces. Add warning when about to send bogus vblank event. Update vblank to best guess info during drm_vblank_disable_and_save. Changes since v3: Update cover letter text to describe remaining actions. Drop drm/imx patches as they have now been merged. Replace vblank info estimation patch with a revert of the issue that caused the need for estimation. Robert Beckett (2): drm/vblank: warn on sending stale event Revert "drm/vblank: Do not update vblank count if interrupts are already disabled." drivers/gpu/drm/drm_vblank.c | 35 +++++++++++++++++++++++++---------- 1 file changed, 25 insertions(+), 10 deletions(-) -- 2.18.0