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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 87F77C433EF for ; Mon, 14 Mar 2022 08:08:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237539AbiCNIJv (ORCPT ); Mon, 14 Mar 2022 04:09:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46402 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237616AbiCNIJe (ORCPT ); Mon, 14 Mar 2022 04:09:34 -0400 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5B9A943388; Mon, 14 Mar 2022 01:08:17 -0700 (PDT) X-UUID: 7f5c77c72f5049c9846b53e5a005e2ea-20220314 X-UUID: 7f5c77c72f5049c9846b53e5a005e2ea-20220314 Received: from mtkmbs10n2.mediatek.inc [(172.21.101.183)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1021397348; Mon, 14 Mar 2022 16:08:13 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 14 Mar 2022 16:08:11 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 14 Mar 2022 16:08:10 +0800 From: Yongqiang Niu To: Chun-Kuang Hu CC: Rob Herring , Matthias Brugger , Philipp Zabel , David Airlie , Daniel Vetter , Jassi Brar , Yongqiang Niu , Fabien Parent , Dennis YC Hsieh , , , , , , , Hsin-Yi Wang Subject: [PATCH v1, 1/1] drm/mediatek: fixup ovl vblank callback data null pointer issue Date: Mon, 14 Mar 2022 16:08:08 +0800 Message-ID: <20220314080808.29370-2-yongqiang.niu@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220314080808.29370-1-yongqiang.niu@mediatek.com> References: <20220314080808.29370-1-yongqiang.niu@mediatek.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-MTK: N Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org ovl vblank_cb_data will be null pointer when disable ovl vblank Signed-off-by: Yongqiang Niu --- drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c index 2146299e5f52..f3a450c0ef2d 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -113,7 +113,6 @@ void mtk_ovl_disable_vblank(struct device *dev) struct mtk_disp_ovl *ovl = dev_get_drvdata(dev); ovl->vblank_cb = NULL; - ovl->vblank_cb_data = NULL; writel_relaxed(0x0, ovl->regs + DISP_REG_OVL_INTEN); } -- 2.25.1