From mboxrd@z Thu Jan 1 00:00:00 1970 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 64222F8E4B1 for ; Fri, 17 Apr 2026 07:06:24 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 21ABF10E95E; Fri, 17 Apr 2026 07:06:16 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="kkMs3uR5"; dkim-atps=neutral Received: from mail-pf1-f181.google.com (mail-pf1-f181.google.com [209.85.210.181]) by gabe.freedesktop.org (Postfix) with ESMTPS id A8BD810E8E2 for ; Thu, 16 Apr 2026 16:47:14 +0000 (UTC) Received: by mail-pf1-f181.google.com with SMTP id d2e1a72fcca58-82f69adeecbso937441b3a.2 for ; Thu, 16 Apr 2026 09:47:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1776358034; x=1776962834; darn=lists.freedesktop.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=CzDxwYfpurj8xr015y/mH2mke+/hLRvGAF/fQ7dIVG4=; b=kkMs3uR5/9zhSeQ7ZJ5F35+39YZy2FQgpSewo2VCQ9HX1XJ9U+0hNugiwDOV1EwYbF f9o3XQMZXm2xMtxAWkSs0L3lZNslujs6DfF2FZ9oy+hUMFkzUH9JvAN08GoN6MA3nfFd 5k0/PM+T/yx1/BGkZWaFmcUQ03812RzilcOIxW3TEHc4XaaHuQkYNPDSUJNvcg1YHs4r GOHXy7t1ObtrwmvqjvcNkg4Kw9ITWxoACaWml/zri81RwNEoXStJa+bGNkjy0Gpofled EiqAfPnScGXF6/61jxKnoyHeN/4ylX6dTa7slGqPo35z6hfB98CIg05V6XwQaCa7ypFb sQlQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1776358034; x=1776962834; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=CzDxwYfpurj8xr015y/mH2mke+/hLRvGAF/fQ7dIVG4=; b=I7Q5wEtFfzzRMyi3fGXb+plqkBnK8Y/PrR8fLU9FGwf15Y3HtzmT1NTMDBtpeDABzs N2ZzGTjr+Xe3SQ8RX+i0VI5Le/SuvwMD3WGvK7hAqkjgfAa5Q9pNO1l5AYRljD/SghHF y6hG18AXey1UmAiPSH7M0uBnX7zpLEtUUGel9+z6a9hyGsPPTvzSWA5oh2t41L5pI39d u9u+WgEiT1yDzZztPbF8N+iSVTGuH6LfkcwbDa66DAPxOLStRhRe+hfIG1PNc2vwby5k fhpFqxF0rM5Mwj94Q4808B4l4iou0T+KL+hygXLszLGBqOJhpJBCEMIiPRTROdZMKVXI rp0A== X-Gm-Message-State: AOJu0YwUXjjipLqmeXC+0CqEaPMpydGQr0O66hR0eqdOPz29VOzxVSMW /8YOqO5av9enx0Vwrkuv38mUbG44akMRRscCP6SGFqCN4gLDasVLEXwqTC9kIMUFOcY= X-Gm-Gg: AeBDietMrOm+DzY0YDfQFFsYL1lp4tHx0ZYxiA0/TyJbScCeiPgA9GuZ1wYmce8TdPh HiaJ+9rLZ/5AB+KF+TTwAyvguC9ho6aQINRl3E5njE/S8wy4HGVU7T7YOoLLQ31DGQ41EgnH0KH gel9Kxyrd5k1q2V2fXqwJgXHz1Ov7VvQ/iAEXOYz5z2WycZ6yKS57Av+HM5p54NE+5EJ3g4Q/xi ggW5bdce4OrL25Q42+e5HovA6DhQ9Yz9MKo2vsbxWiAEW11f4g7M/dHiRG2Pl29ubFmoaVFALvq cqJLfT8us4Z5bmpkvhOO6C87rZ4Vuczf4IxNx1QXsYlKWoVPFos8uAl3BzZsuPeBH+i3cN7Ut9o YRUt8vDxYbV5qgW1yQpkkh+Ylq4liVz9TaYRXhztIWPh71MY2+y7Ey8h6YopGsxerJ6zOgtQDiI zeSigVdzt6ovc1sm4clnUCWnOJVFXGpP+gWeYX1ITwMb0AF8rkbhFgWt21UQbSKc3bLAiYT7RAX UxSwivauvCxP3n+syQ+AOGCrS06Kj4lliI= X-Received: by 2002:a05:6a00:21d5:b0:82f:2070:2683 with SMTP id d2e1a72fcca58-82f887eb97fmr103721b3a.21.1776358034016; Thu, 16 Apr 2026 09:47:14 -0700 (PDT) Received: from lucifer-Victus-by-HP-Gaming-Laptop-15-fa1xxx.iitbhu.local ([103.151.209.194]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-82f88a57cd1sm28808b3a.34.2026.04.16.09.47.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Apr 2026 09:47:13 -0700 (PDT) From: Sachin Kumar To: andy@kernel.org, gregkh@linuxfoundation.org Cc: dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, Sachin Kumar Subject: [PATCH] staging: fbtft: clarify TODO comment in fbtft-core Date: Thu, 16 Apr 2026 22:16:43 +0530 Message-ID: <20260416164643.153765-1-sachinkumar905846@gmail.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Fri, 17 Apr 2026 07:06:15 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Improve wording of a TODO comment to better describe the intended optimization. The comment now clearly states that only the changed display area should be updated instead of refreshing the entire screen. Signed-off-by: Sachin Kumar --- drivers/staging/fbtft/fbtft-core.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c index f427c0914..4984aad9c 100644 --- a/drivers/staging/fbtft/fbtft-core.c +++ b/drivers/staging/fbtft/fbtft-core.c @@ -414,7 +414,9 @@ static void fbtft_ops_damage_range(struct fb_info *info, off_t off, size_t len) { struct fbtft_par *par = info->par; - /* TODO: only mark changed area update all for now */ + /* TODO: Optimize to update only the changed area instead of + * refreshing the entire display + */ par->fbtftops.mkdirty(info, -1, 0); } -- 2.43.0