From patchwork Mon Feb 20 08:28:52 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: yao mark X-Patchwork-Id: 9582145 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 3E8C5600C1 for ; Mon, 20 Feb 2017 08:29:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 322E828861 for ; Mon, 20 Feb 2017 08:29:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 25BA128864; Mon, 20 Feb 2017 08:29:12 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 5879528861 for ; Mon, 20 Feb 2017 08:29:10 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0B7306E369; Mon, 20 Feb 2017 08:29:08 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from regular1.263xmail.com (regular1.263xmail.com [211.150.99.133]) by gabe.freedesktop.org (Postfix) with ESMTPS id B6F6A6E369 for ; Mon, 20 Feb 2017 08:29:05 +0000 (UTC) Received: from mark.yao?rock-chips.com (unknown [192.168.167.224]) by regular1.263xmail.com (Postfix) with ESMTP id AA218905D; Mon, 20 Feb 2017 16:28:59 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 Received: from localhost.localdomain (localhost [127.0.0.1]) by smtp.263.net (Postfix) with ESMTP id B04523DC; Mon, 20 Feb 2017 16:28:57 +0800 (CST) X-RL-SENDER: mark.yao@rock-chips.com X-FST-TO: airlied@linux.ie X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: mark.yao@rock-chips.com X-UNIQUE-TAG: X-ATTACHMENT-NUM: 0 X-SENDER: yzq@rock-chips.com X-DNS-TYPE: 0 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (Postfix) whith ESMTP id 2097632P2KO; Mon, 20 Feb 2017 16:28:59 +0800 (CST) From: Mark Yao To: David Airlie , Heiko Stuebner , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] drm/rockchip: vop: no need wait vblank on crtc enable Date: Mon, 20 Feb 2017 16:28:52 +0800 Message-Id: <1487579332-8578-1-git-send-email-mark.yao@rock-chips.com> X-Mailer: git-send-email 1.9.1 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Since atomic framework, crtc enable and disable are in pairs, no need to wait vblank. Signed-off-by: Mark Yao --- drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 36 ----------------------------- 1 file changed, 36 deletions(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index 76c79ac..8dab2af 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -900,42 +900,6 @@ static void vop_crtc_enable(struct drm_crtc *crtc) return; } - /* - * If dclk rate is zero, mean that scanout is stop, - * we don't need wait any more. - */ - if (clk_get_rate(vop->dclk)) { - /* - * Rk3288 vop timing register is immediately, when configure - * display timing on display time, may cause tearing. - * - * Vop standby will take effect at end of current frame, - * if dsp hold valid irq happen, it means standby complete. - * - * mode set: - * standby and wait complete --> |---- - * | display time - * |---- - * |---> dsp hold irq - * configure display timing --> | - * standby exit | - * | new frame start. - */ - - reinit_completion(&vop->dsp_hold_completion); - vop_dsp_hold_valid_irq_enable(vop); - - spin_lock(&vop->reg_lock); - - VOP_CTRL_SET(vop, standby, 1); - - spin_unlock(&vop->reg_lock); - - wait_for_completion(&vop->dsp_hold_completion); - - vop_dsp_hold_valid_irq_disable(vop); - } - pin_pol = BIT(DCLK_INVERT); pin_pol |= (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC) ? 0 : BIT(HSYNC_POSITIVE);