From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 03 Apr 2023 14:20:00 +0200 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1pjJAF-008VO7-Mo for lore@lore.pengutronix.de; Mon, 03 Apr 2023 14:20:00 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pjJAF-00038f-8q for lore@pengutronix.de; Mon, 03 Apr 2023 14:19:59 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:To:From:Reply-To:Cc:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=svJQZhLt90ctNH13Cp2G6wY7kKKbWOdgZ1Irmnxc3RY=; b=2yTz1Yy3eIb09r8lC0eA5ln+N6 NkhghRHTFFMGv2InZ4Vgsj5fhPskujy1WeOYcf4Z/m8ZzTaC25GK1l80SAjhMkPrqNd8KB2ZPC8ZR ecssP2MJlfLBwgA0xDLt3OP42WaDcnIsNv9nETTXK6o2Uw+qIGMTpnWEIzYkxFXzyk65l4z1EUQRq N6dsUuZ9piKYwS1+G2r6IZG/m2M/KNr10xhF9HYueXN51uBB4iStrZZToNzDOJ6xCj7zkcnVCPhBl N3ogCvRpKRLzEvY5KjJTEIksQN2woMaawuExySf5ag2FdQWxoomThzo9zzXgXsr7qVOO/JMFEe+1M QTMjjr7g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pjJ99-00FFHm-1E; Mon, 03 Apr 2023 12:18:51 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pjJ95-00FFGS-30 for barebox@lists.infradead.org; Mon, 03 Apr 2023 12:18:49 +0000 Received: from dude05.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::54]) by metis.ext.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1pjJ93-000303-Rl; Mon, 03 Apr 2023 14:18:45 +0200 From: Philipp Zabel To: barebox@lists.infradead.org Date: Mon, 3 Apr 2023 14:18:42 +0200 Message-Id: <20230403121844.3447836-1-p.zabel@pengutronix.de> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230403_051847_990966_D63177AA X-CRM114-Status: GOOD ( 10.99 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.7 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 1/3] video: fb: add optional damage tracking X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) Add an optional fb_damage operation that drivers may use to accumulate damage on the framebuffer until fb_flush is called. The accumulated damage can be used to support partial updates for displays with an integrated framebuffer. Signed-off-by: Philipp Zabel --- drivers/video/fb.c | 6 ++++++ include/fb.h | 9 +++++++++ 2 files changed, 15 insertions(+) diff --git a/drivers/video/fb.c b/drivers/video/fb.c index 44754065e7d9..6f412d62c434 100644 --- a/drivers/video/fb.c +++ b/drivers/video/fb.c @@ -43,6 +43,12 @@ static int fb_close(struct cdev *cdev) return 0; } +void fb_damage(struct fb_info *info, struct fb_rect *rect) +{ + if (info->fbops->fb_damage) + info->fbops->fb_damage(info, rect); +} + static int fb_op_flush(struct cdev *cdev) { struct fb_info *info = cdev->priv; diff --git a/include/fb.h b/include/fb.h index 15bb74b99576..4e3eb611db48 100644 --- a/include/fb.h +++ b/include/fb.h @@ -80,6 +80,13 @@ struct fb_bitfield { struct fb_info; +struct fb_rect { + u32 x1; + u32 y1; + u32 x2; + u32 y2; +}; + struct fb_ops { /* set color register */ int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green, @@ -87,6 +94,7 @@ struct fb_ops { void (*fb_enable)(struct fb_info *info); void (*fb_disable)(struct fb_info *info); int (*fb_activate_var)(struct fb_info *info); + void (*fb_damage)(struct fb_info *info, struct fb_rect *rect); void (*fb_flush)(struct fb_info *info); }; @@ -156,6 +164,7 @@ int register_framebuffer(struct fb_info *info); int fb_enable(struct fb_info *info); int fb_disable(struct fb_info *info); +void fb_damage(struct fb_info *info, struct fb_rect *rect); void fb_flush(struct fb_info *info); #define FBIOGET_SCREENINFO _IOR('F', 1, loff_t) -- 2.39.2