From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Tue, 04 Apr 2023 14:26:32 +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 1pjfk7-009hw6-R7 for lore@lore.pengutronix.de; Tue, 04 Apr 2023 14:26:32 +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 1pjfk7-0005wS-G1 for lore@pengutronix.de; Tue, 04 Apr 2023 14:26:32 +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: Content-Type:In-Reply-To:From:References:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From :Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=9wkEh8527P8me23A06jqBL384stj0W0cccB7xkvSVqA=; b=mczyAEFW9dXGqTLidkfNoVWjhJ EMK2WgEa2Ivr9RMO0BNnGfPB+cRwSLSnAMMtcPKsoQQFxbhFGiuKvkHBwBYx4RKy+FYe0TMD1eWq3 4RL1BMZiuIDF2Bj+s2G7xnecpgYTHQ8MilHOz55Ro34u2r/SWWEGF/AbW1fQWt5Fo60VlGoTaovIA 3Gy8+8NzmdM2ii0RZ94+ojWbEzCif6rIIvGFSWviO8w7BU6B059cKYZikzw3XBAFxkUyeaDAVjXUv XwaY9wmvaNMGZQfsHaK2ZxFcLyNjmOFwulqAby43DQ4Uked/Nffdo7X85UAzMm6841vHXxru4MRa7 rOj60HEA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pjfil-001Fy8-1H; Tue, 04 Apr 2023 12:25:07 +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 1pjfih-001FwR-12 for barebox@lists.infradead.org; Tue, 04 Apr 2023 12:25:04 +0000 Received: from ptz.office.stw.pengutronix.de ([2a0a:edc0:0:900:1d::77] helo=[127.0.0.1]) by metis.ext.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1pjfid-0005Zd-NV; Tue, 04 Apr 2023 14:24:59 +0200 Message-ID: <7a08e414-95d1-0d81-64b4-9772ceb6f680@pengutronix.de> Date: Tue, 4 Apr 2023 14:24:59 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.9.0 Content-Language: en-US To: Philipp Zabel , barebox@lists.infradead.org References: <20230403121844.3447836-1-p.zabel@pengutronix.de> From: Ahmad Fatoum In-Reply-To: <20230403121844.3447836-1-p.zabel@pengutronix.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230404_052503_359071_CCF50267 X-CRM114-Status: GOOD ( 20.90 ) 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=-5.7 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [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) On 03.04.23 14:18, Philipp Zabel wrote: > 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); const struct fb_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) -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |