From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f182.google.com (mail-pf1-f182.google.com [209.85.210.182]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BBA732D8DDB for ; Thu, 16 Apr 2026 16:47:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.182 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776358035; cv=none; b=StiBSfzf0f0fw2oI5kYV2OCGgqjtlcZYzlGd4RUKFJ1bttEQxxgunqdt+KctRbpDdGgGD2fQlCFLvMIqCPNKRWN+lgLFHO3v1rPmo0jxUrP0TR0+BhxdGZg41gvniN/2HHTVH8MPfzIILdr/hxK3fam4zbS7eHywONyqIFqBzPU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776358035; c=relaxed/simple; bh=ojXH2F7K02wMz912KjmCBclcAULE9xaANKl8Rcb1Jpo=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=DZ10L6o78butp0e2U+icWxito+iEhRS1oftsbf439lX9FtaG5jOJjAO2+Kqqslnm52KDxLkpKRXjVQ0MD5JP9F5JkzKGsV6D6qVlu8W2DIXqU7vbsCZ2LV+sQGb+erD6UkSsT4oxHD8qNUHRRtUDYyNDC2r6y3srkK4z2VS2sf8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=ZvMq9pC5; arc=none smtp.client-ip=209.85.210.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ZvMq9pC5" Received: by mail-pf1-f182.google.com with SMTP id d2e1a72fcca58-82cd5c07f93so3686882b3a.1 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=vger.kernel.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=ZvMq9pC5HDzdx7/UfDFs7AsJoZOPZ0zxWfg8lc0fQFJKz3oEWcFnfXs0oQBB7NajeZ Ay7JyuvhXSy1NKXiPKiMetk9QOrVoXlZZE5MT2h4X4xKsA8f4CbqjA6YxxrTUIAicxTN 4VKkBoBF/6KxNp/gMKRnFFDeU7IoMCvP+JuoxXZ2j/biEfPkEwwPxVffZfQPDadH6Nin Nw1sHmGpEamlZI5Uw+zYA4jwTBgHnPQACle2epExZJcysu0ZYQQmXCbc9j+dOY2sCcew rBRoXaZH3E0I1RsM+9ky5K4qi5dqS6XHHJBYMWrJr9/wKaRaC5yFXAHpIMt9vtDnqKnx WybQ== 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=eAQks6CoGRIHVhbzvgWDNRAp7ZZeTyttVVC3pSaLiU2+bNC+7RXzI9+5MNLV3/ARAC qQN5IBRvjm+p3YXGOG/9bOuYi/4XjvuHPzi9GhdQDZSg29V3SkcLVzH/IkpVdXNukiol 2vTIwj1dQgkyIdkqDfEiWjlpkmfCjCjJx8retBdgWsczrcMwMWxoHAyaJahIiCoTyE1n 3GOkTqytsna+7NseHpLv2gVL/gGJel+hz0bjGJWn3snTSMTP8PC6HN3DiMOXKKLhtNis r9ahAqORQYmhEH5ebWYjA1/x0YteYWJ99AgjP+igIM1L414SE+SE7ozqbkKHCXTLbmrJ mZmg== X-Forwarded-Encrypted: i=1; AFNElJ/OGRNuH7VHbFkxeBsWGHko+sPOpVpuEotGbSEcT+DZjDC2MDUxoYuQK6dQpIeoYlQzHv9AP7rYVu2CclA=@vger.kernel.org X-Gm-Message-State: AOJu0Ywr7s8A86dcA9clIA91WPNoaMoDUzTK+wzmF5RzXqrzAUuSOb7I oNZ3eViPx8jxosShm6Qsc214xFN4TGIdnwoxkVKfbIQHfki+QhmQZJ28 X-Gm-Gg: AeBDieutleJMC55/TlWmACAhh2CZvBmTzxPIaeam8Ja7+rU69FF+w6BCOOoQgko8L1I I8j2ekc8Rk/42PXDrZX40vhq+sGpKBzoUuh13+vVXvQ6EoqYySFWjLUD6hsrDnR/0hrYEw0XzWt N1g6eEwcLmAfaEOyvXKmQ2yOQ/qqaH5aw37bZiFWkpCC+Jc3AK+6cQ7468f1ZlVH2gL6Sj9QX/M 8WJgp9wdq/fhkhm4I2Dp9dh014KECgTVg33SSdnHhHDyCSt0bCgDbZ+1QO/giH+Y8d6uk+tikhg CRt8iiUoUVMzuoYJo7vCCS2gFXu7e6jN395j+xJJDDgRuAkJHQtKG77bPKVocU9t6YBoH0ul1ga Dt9Y1qpQtHvnPj/nyjdo/ElHsQy372C/gNNrhcVAsiajNSTeTrhqhs9Ps4x5YVGao6BJxpNC5Dx Ce7rwyVl0Yy6zA4Iixaf0VR7L3D2SGHhBxLW6gWhD9ek6hpYLd62ksbxkEdi9L6Hq3joyeQHGDi eyerwYXuW34oqn9UA+BT1sLqw/hlhoSi3o= 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 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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