From patchwork Fri Jun 26 10:07:25 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: yao mark X-Patchwork-Id: 6679981 Return-Path: X-Original-To: patchwork-linux-rockchip@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 1C5D99F1C1 for ; Fri, 26 Jun 2015 10:08:56 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 58E77206A1 for ; Fri, 26 Jun 2015 10:08:55 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 810022069D for ; Fri, 26 Jun 2015 10:08:54 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Z8QZ3-0004DJ-Mz; Fri, 26 Jun 2015 10:08:53 +0000 Received: from regular1.263xmail.com ([211.150.99.137]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Z8QYP-0003sj-I7; Fri, 26 Jun 2015 10:08:14 +0000 Received: from mark.yao?rock-chips.com (unknown [192.168.167.97]) by regular1.263xmail.com (Postfix) with SMTP id 0852D6F14; Fri, 26 Jun 2015 18:07:46 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-ADDR-CHECKED: 0 Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.263.net (Postfix) with ESMTP id 04A352672F; Fri, 26 Jun 2015 18:07:38 +0800 (CST) X-RL-SENDER: mark.yao@rock-chips.com X-SENDER-IP: 43.226.228.192 X-LOGIN-NAME: mark.yao@rock-chips.com X-UNIQUE-TAG: <0c759b70bb70bf1ad1c5b5e53ef51300> X-ATTACHMENT-NUM: 0 X-SENDER: yzq@rock-chips.com X-DNS-TYPE: 0 Received: from unknown (unknown [43.226.228.192]) by smtp.263.net (Postfix) whith SMTP id 24951LVU32M; Fri, 26 Jun 2015 18:07:43 +0800 (CST) From: Mark Yao To: dri-devel@lists.freedesktop.org Subject: [PATCH v2 1/5] drm/rockchip: vop: optimize virtual stride calculate Date: Fri, 26 Jun 2015 18:07:25 +0800 Message-Id: <1435313249-4549-2-git-send-email-mark.yao@rock-chips.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1435313249-4549-1-git-send-email-mark.yao@rock-chips.com> References: <1435313249-4549-1-git-send-email-mark.yao@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150626_030813_800041_36D09593 X-CRM114-Status: UNSURE ( 6.20 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.9 (-) Cc: zwl@rock-chips.com, Daniel Vetter , David Airlie , linux-kernel@vger.kernel.org, Daniel Kurtz , tfiga@chromium.org, linux-rockchip@lists.infradead.org, Rob Clark , Philipp Zabel , xw@rock-chips.com, dkm@rock-chips.com, Mark Yao , sandy.huang@rock-chips.com, linux-arm-kernel@lists.infradead.org, Heiko Stuebner X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-5.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP vir_stride need number words of the virtual width, and fb->pitches save bytes_per_pixel, so just div 4 switch to stride. Signed-off-by: Mark Yao --- Changes in v2: None drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index 6188221..3c9f4f3 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -644,7 +644,7 @@ static int vop_update_plane_event(struct drm_plane *plane, offset += (src.y1 >> 16) * fb->pitches[0]; yrgb_mst = rk_obj->dma_addr + offset; - y_vir_stride = fb->pitches[0] / (fb->bits_per_pixel >> 3); + y_vir_stride = fb->pitches[0] >> 2; /* * If this plane update changes the plane's framebuffer, (or more