From patchwork Tue Feb 8 21:08:07 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Vetter X-Patchwork-Id: 12739388 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 907EBC433FE for ; Tue, 8 Feb 2022 22:23:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1386238AbiBHWXL (ORCPT ); Tue, 8 Feb 2022 17:23:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35212 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1386697AbiBHVIe (ORCPT ); Tue, 8 Feb 2022 16:08:34 -0500 Received: from mail-wr1-x42b.google.com (mail-wr1-x42b.google.com [IPv6:2a00:1450:4864:20::42b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CC3CDC0612B8 for ; Tue, 8 Feb 2022 13:08:32 -0800 (PST) Received: by mail-wr1-x42b.google.com with SMTP id e3so673553wra.0 for ; Tue, 08 Feb 2022 13:08:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ffwll.ch; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=gIPhliOnck3yOxw+Dv+3394kB7U1re82IdjUQLdsD7g=; b=Z8I9ZWk9KMGjtYjkOSq4opEZfrkrnm27stq7L+c8hIZk05qksyUdm4+sUlt0rBndyT DQX+SOTc8GS9LeEBc6pi7uSkAVol2kWAn54PJoRSgOd/ccDFsbs79VlWsrIJgy+5UY4z adq/p7y0DkEQ++cwOVxs6Wiyy9rvfDf9eMg00= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=gIPhliOnck3yOxw+Dv+3394kB7U1re82IdjUQLdsD7g=; b=bo0LrRJvwdYelbp5SNVf8zkCuJfRZiNV553ZY77h2gmPnaNJ4Tx0VpZMOMfnsWU96r Nya/0QSHOR9/RiiD7uDVTSstnW8D7gayjpkWIq56UweC2okLcLSyHW9GSJi9mvUPM6AK Vxvyra0O0gsPs30TMlt8OXrOXMzKFVW7Ra1llwOmoZHC6M7fHtjj5xloQqtn1LcoXTEz 0ew8VF0PT5Ywu1QAQncrYD4K3Mc+39SwJJlIgedsBPpYSm0//1OeI3ryayTdh0myCpzJ KMa9YJR57i9vCsoQ3dBy/ZCW4DQlP6N1qFEmXsUnmgCm8/q/xMmA/UwjcaB33xOKKUHk Enow== X-Gm-Message-State: AOAM5303SD0eI7AvkumeDP4pcyn895THDYt/iTrbh4vj2rm7ezXP3SVM xaVRnLgsvbHVRUPURPsYy5kVJw== X-Google-Smtp-Source: ABdhPJyfRPn4N3kWII/WebNvQR+2lSObKOj91UPPo9uSAdMr7ixXbhsF1UhRz3GGz4BQn3bFDSUu7A== X-Received: by 2002:a5d:64c1:: with SMTP id f1mr4878344wri.5.1644354511285; Tue, 08 Feb 2022 13:08:31 -0800 (PST) Received: from phenom.ffwll.local ([2a02:168:57f4:0:efd0:b9e5:5ae6:c2fa]) by smtp.gmail.com with ESMTPSA id o14sm3033561wmr.3.2022.02.08.13.08.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Feb 2022 13:08:30 -0800 (PST) From: Daniel Vetter To: DRI Development Cc: Intel Graphics Development , linux-fbdev@vger.kernel.org, LKML , Daniel Vetter , Daniel Vetter , Helge Deller , Daniel Vetter , Thomas Zimmermann , Du Cheng , Tetsuo Handa , Claudio Suarez , Greg Kroah-Hartman Subject: [PATCH v2 02/19] fbcon: Move fbcon_bmove(_rec) functions Date: Tue, 8 Feb 2022 22:08:07 +0100 Message-Id: <20220208210824.2238981-3-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220208210824.2238981-1-daniel.vetter@ffwll.ch> References: <20220208210824.2238981-1-daniel.vetter@ffwll.ch> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org Avoids two forward declarations, and more importantly, matches what I've done in my fbcon scrolling restore patches - so I need this to avoid a bunch of conflicts in rebasing since we ended up merging Helge's series instead. Signed-off-by: Daniel Vetter Cc: Helge Deller Cc: Daniel Vetter Cc: Thomas Zimmermann Cc: Du Cheng Cc: Tetsuo Handa Cc: Claudio Suarez Cc: Greg Kroah-Hartman Reviewed-by: Javier Martinez Canillas Acked-by: Thomas Zimmermann --- drivers/video/fbdev/core/fbcon.c | 134 +++++++++++++++---------------- 1 file changed, 65 insertions(+), 69 deletions(-) diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c index 235eaab37d84..e925bb608e25 100644 --- a/drivers/video/fbdev/core/fbcon.c +++ b/drivers/video/fbdev/core/fbcon.c @@ -164,15 +164,11 @@ static int fbcon_cursor_noblink; */ static void fbcon_clear_margins(struct vc_data *vc, int bottom_only); -static void fbcon_bmove(struct vc_data *vc, int sy, int sx, int dy, int dx, - int height, int width); static void fbcon_set_palette(struct vc_data *vc, const unsigned char *table); /* * Internal routines */ -static void fbcon_bmove_rec(struct vc_data *vc, struct fbcon_display *p, int sy, int sx, - int dy, int dx, int height, int width, u_int y_break); static void fbcon_set_disp(struct fb_info *info, struct fb_var_screeninfo *var, int unit); static void fbcon_redraw_move(struct vc_data *vc, struct fbcon_display *p, @@ -1667,6 +1663,71 @@ static void fbcon_redraw(struct vc_data *vc, struct fbcon_display *p, } } +static void fbcon_bmove_rec(struct vc_data *vc, struct fbcon_display *p, int sy, int sx, + int dy, int dx, int height, int width, u_int y_break) +{ + struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; + struct fbcon_ops *ops = info->fbcon_par; + u_int b; + + if (sy < y_break && sy + height > y_break) { + b = y_break - sy; + if (dy < sy) { /* Avoid trashing self */ + fbcon_bmove_rec(vc, p, sy, sx, dy, dx, b, width, + y_break); + fbcon_bmove_rec(vc, p, sy + b, sx, dy + b, dx, + height - b, width, y_break); + } else { + fbcon_bmove_rec(vc, p, sy + b, sx, dy + b, dx, + height - b, width, y_break); + fbcon_bmove_rec(vc, p, sy, sx, dy, dx, b, width, + y_break); + } + return; + } + + if (dy < y_break && dy + height > y_break) { + b = y_break - dy; + if (dy < sy) { /* Avoid trashing self */ + fbcon_bmove_rec(vc, p, sy, sx, dy, dx, b, width, + y_break); + fbcon_bmove_rec(vc, p, sy + b, sx, dy + b, dx, + height - b, width, y_break); + } else { + fbcon_bmove_rec(vc, p, sy + b, sx, dy + b, dx, + height - b, width, y_break); + fbcon_bmove_rec(vc, p, sy, sx, dy, dx, b, width, + y_break); + } + return; + } + ops->bmove(vc, info, real_y(p, sy), sx, real_y(p, dy), dx, + height, width); +} + +static void fbcon_bmove(struct vc_data *vc, int sy, int sx, int dy, int dx, + int height, int width) +{ + struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; + struct fbcon_display *p = &fb_display[vc->vc_num]; + + if (fbcon_is_inactive(vc, info)) + return; + + if (!width || !height) + return; + + /* Split blits that cross physical y_wrap case. + * Pathological case involves 4 blits, better to use recursive + * code rather than unrolled case + * + * Recursive invocations don't need to erase the cursor over and + * over again, so we use fbcon_bmove_rec() + */ + fbcon_bmove_rec(vc, p, sy, sx, dy, dx, height, width, + p->vrows - p->yscroll); +} + static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b, enum con_scroll dir, unsigned int count) { @@ -1867,71 +1928,6 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b, } -static void fbcon_bmove(struct vc_data *vc, int sy, int sx, int dy, int dx, - int height, int width) -{ - struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; - struct fbcon_display *p = &fb_display[vc->vc_num]; - - if (fbcon_is_inactive(vc, info)) - return; - - if (!width || !height) - return; - - /* Split blits that cross physical y_wrap case. - * Pathological case involves 4 blits, better to use recursive - * code rather than unrolled case - * - * Recursive invocations don't need to erase the cursor over and - * over again, so we use fbcon_bmove_rec() - */ - fbcon_bmove_rec(vc, p, sy, sx, dy, dx, height, width, - p->vrows - p->yscroll); -} - -static void fbcon_bmove_rec(struct vc_data *vc, struct fbcon_display *p, int sy, int sx, - int dy, int dx, int height, int width, u_int y_break) -{ - struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; - struct fbcon_ops *ops = info->fbcon_par; - u_int b; - - if (sy < y_break && sy + height > y_break) { - b = y_break - sy; - if (dy < sy) { /* Avoid trashing self */ - fbcon_bmove_rec(vc, p, sy, sx, dy, dx, b, width, - y_break); - fbcon_bmove_rec(vc, p, sy + b, sx, dy + b, dx, - height - b, width, y_break); - } else { - fbcon_bmove_rec(vc, p, sy + b, sx, dy + b, dx, - height - b, width, y_break); - fbcon_bmove_rec(vc, p, sy, sx, dy, dx, b, width, - y_break); - } - return; - } - - if (dy < y_break && dy + height > y_break) { - b = y_break - dy; - if (dy < sy) { /* Avoid trashing self */ - fbcon_bmove_rec(vc, p, sy, sx, dy, dx, b, width, - y_break); - fbcon_bmove_rec(vc, p, sy + b, sx, dy + b, dx, - height - b, width, y_break); - } else { - fbcon_bmove_rec(vc, p, sy + b, sx, dy + b, dx, - height - b, width, y_break); - fbcon_bmove_rec(vc, p, sy, sx, dy, dx, b, width, - y_break); - } - return; - } - ops->bmove(vc, info, real_y(p, sy), sx, real_y(p, dy), dx, - height, width); -} - static void updatescrollmode_accel(struct fbcon_display *p, struct fb_info *info, struct vc_data *vc)