From mboxrd@z Thu Jan 1 00:00:00 1970 From: Robert Beckett Subject: [PATCH v3 0/4] handle vblank when disabling ctc with interrupt disabled (was [PATCH v2] drm/imx: correct order of crtc disable) Date: Tue, 25 Jun 2019 18:59:11 +0100 Message-ID: Return-path: Sender: linux-kernel-owner@vger.kernel.org To: dri-devel@lists.freedesktop.org Cc: Maarten Lankhorst , Maxime Ripard , Sean Paul , David Airlie , Daniel Vetter , Philipp Zabel , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Robert Beckett List-Id: dri-devel@lists.freedesktop.org Handle vblank event sent to signal crtc disable while the backend vblank interrupt has already been disabled by vblank_disable_fn. Fixes: a474478642d5 ("drm/imx: fix crtc vblank state regression") Fixes: 68036b08b91bc ("drm/vblank: Do not update vblank count if interrupts are already disabled.") Fixes: 5f2f911578fb ("drm/imx: atomic phase 3 step 1: Use atomic configuration") 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. Robert Beckett (4): drm/vblank: warn on sending stale event drm/imx: notify drm core before sending event during crtc disable drm/vblank: estimate vblank while disabling vblank if interrupt disabled drm/imx: only send event on crtc disable if kept disabled drivers/gpu/drm/drm_vblank.c | 33 +++++++++++++++++++++++++++++++- drivers/gpu/drm/imx/ipuv3-crtc.c | 6 +++--- 2 files changed, 35 insertions(+), 4 deletions(-) -- 2.18.0