From nobody Fri Jun 12 05:53:32 2026 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 36FE5396D1C for ; Thu, 14 May 2026 09:16:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.5 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778750222; cv=none; b=a031wTIZulhJkucNT9ujAx3w2m3xY3EOFpuvqoRMbLBn0VDY0fDbhzaeD/WMwb7FxieYcNI5cBcuXoq8KrgsRkAc4HeitESbWyQCWQ8O9LNsyNLLCGiZU+8NyN24xg3QFRxsenqnbvcA1LTd0/Nbg0IB/m3XxUZkq7HWR6IUPyE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778750222; c=relaxed/simple; bh=kpmutfRQG7k+5qhkCTI1yXPSPAP674b5pgfM3dCv434=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=PEMxW+FwMC9iIgmbmNrlvYtxzEn4iNSK78Fy/aGnwmYRyLyp8xtwEKp866RhWDd3isVOEkx2qMMrXnd+7hK0b3Lp8U4YyW7KVANQjjjADUG7SjY3R+dZg/ceCRN9jR880C7pNCeGlFOZ9zTJE5n7pOIgVAGNyQ5zLgwFAipNijU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=iMvVhPD+; arc=none smtp.client-ip=220.197.31.5 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="iMvVhPD+" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:To:Subject:Date:Message-ID:MIME-Version; bh=Ax v3kt0/X+Ju3helrk5fBsUgAvH/ndDA/ivuh3VEB6s=; b=iMvVhPD+vUQDaLSwiC fIv7YO4rY9oUfEa7kErBhEtZqmDtC67BhrJ8mE1GBPmi42nypvkOu5hfGq50ewJA k8gP2VdY1jk/KZiRRP0rQ0qmsLmZIt/N9NNcLk+jSqojAPiuAyQERmVTYjLFHFZY 7s7pZrzNOyq3Lxt4+VAHHMIzA= Received: from neo-TianYi510Pro-15ICK.. (unknown []) by gzga-smtp-mtada-g0-4 (Coremail) with SMTP id _____wAXApbekgVqz+5QBQ--.35178S3; Thu, 14 May 2026 17:16:24 +0800 (CST) From: liuqiangneo@163.com To: maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de Cc: airlied@gmail.com, simona@ffwll.ch, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Qiang Liu Subject: [RESEND PATCH 1/2] drm/debugfs: Replace seq_printf with seq_puts for constant strings Date: Thu, 14 May 2026 17:16:09 +0800 Message-ID: <20260514091611.153919-2-liuqiangneo@163.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260514091611.153919-1-liuqiangneo@163.com> References: <20260514091611.153919-1-liuqiangneo@163.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: _____wAXApbekgVqz+5QBQ--.35178S3 X-Coremail-Antispam: 1Uf129KBjvJXoW7Jw4UuFy3Jw15JrW3Xw4DXFb_yoW8JF1Dpa 9xCF90kr40yF45KryxA3WDZryfG3ZIvFySgrZrXw15Cry5Zr4UXryYga12yrykWr97Cw4Y qFsYgFWUWwn8uaUanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x07j9WrAUUUUU= X-CM-SenderInfo: 5olx1xxdqj0vrr6rljoofrz/xtbC3wi6HGoFkujtPQAA30 Content-Type: text/plain; charset="utf-8" From: Qiang Liu Replace seq_printf() with seq_puts() when printing constant strings without format specifiers. This is more efficient as seq_puts() doesn't need to parse the format string. Signed-off-by: Qiang Liu --- drivers/gpu/drm/drm_debugfs.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c index ae1c6126c2c5..f9658bdf703e 100644 --- a/drivers/gpu/drm/drm_debugfs.c +++ b/drivers/gpu/drm/drm_debugfs.c @@ -66,7 +66,7 @@ static int drm_name_info(struct seq_file *m, void *data) seq_printf(m, " master=3D%s", master->unique); if (dev->unique) seq_printf(m, " unique=3D%s", dev->unique); - seq_printf(m, "\n"); + seq_puts(m, "\n"); mutex_unlock(&dev->master_mutex); =20 return 0; @@ -139,7 +139,7 @@ static int drm_gem_name_info(struct seq_file *m, void *= data) struct drm_debugfs_entry *entry =3D m->private; struct drm_device *dev =3D entry->dev; =20 - seq_printf(m, " name size handles refcount\n"); + seq_puts(m, " name size handles refcount\n"); =20 mutex_lock(&dev->object_name_lock); idr_for_each(&dev->object_name_idr, drm_gem_one_name_info, m); --=20 2.43.0 From nobody Fri Jun 12 05:53:32 2026 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B7DF739891C for ; Thu, 14 May 2026 09:17:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.4 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778750226; cv=none; b=ThWbwj8r+c4M6Bhtp4fQG6JDz+YU/DA76dL8FNkVuJsQ6n8eeJRRjXd6lI7y8bh3hObyKJxBYjfDnZjg8h54iiP1Tp1dOZpLfTer7kzlbPwYROqFfjYxPYY3QtSfKM/cDKJBRE7y9MvgLguQh5Il43a8gn0galw2A0r57zWxX8c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778750226; c=relaxed/simple; bh=D93h8denPr9Jz9NtcXN4n1sSG46K4sNAOWmbquau91o=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=sIxCSL59EW5eBJCpI44TekC8dOZUnWsOB1uF48F8zynWSw513iMreOJiUgwaeRf05w2+fUukBrROR/S4MZdklWyFNGkezKxZgixe+oATobMs1KRLRppCiqzpL9v+5wY/mWnefWVQ6iNAOSbhmpiUS8wORDZbvnF4NSmKgsQe/U4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=nnwyfzwj; arc=none smtp.client-ip=220.197.31.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="nnwyfzwj" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:To:Subject:Date:Message-ID:MIME-Version; bh=0B UtnKvD+GeOQvoijnTlcDugeGkYx2OUGkytgoDIvW8=; b=nnwyfzwj3dQ4/YOKjq BZPNukpWVwJa7DlGGQ0FUCimsnIudtG49n5k7lrHbZYxrj39mV4EeYdHn2eEYSGn s885+KCBpgSEpmAFZnoNOVOEwTxGJ+ZBbRgZNfeG1jB+1OND5CyrElfdku4OEp6l /Z8lTvQIcC0mOZWUOBsaEf4JA= Received: from neo-TianYi510Pro-15ICK.. (unknown []) by gzga-smtp-mtada-g0-4 (Coremail) with SMTP id _____wAXApbekgVqz+5QBQ--.35178S4; Thu, 14 May 2026 17:16:25 +0800 (CST) From: liuqiangneo@163.com To: maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de Cc: airlied@gmail.com, simona@ffwll.ch, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Qiang Liu Subject: [RESEND PATCH 2/2] drm/dp_mst: Replace seq_printf with seq_puts for constant strings Date: Thu, 14 May 2026 17:16:10 +0800 Message-ID: <20260514091611.153919-3-liuqiangneo@163.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260514091611.153919-1-liuqiangneo@163.com> References: <20260514091611.153919-1-liuqiangneo@163.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: _____wAXApbekgVqz+5QBQ--.35178S4 X-Coremail-Antispam: 1Uf129KBjvJXoWxCr4kuF17XF43AFyUJF1kKrg_yoW5Xr4fpr ZxCFyUGw1qvFs8tr47Jw42grs8Ga9xAF1xW39xJw13X3s8Ar4DCasFqa1xtF4UGF9rtw15 tF4q9a45GFyDWaDanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x07jBlk3UUUUU= X-CM-SenderInfo: 5olx1xxdqj0vrr6rljoofrz/xtbC4Am6HGoFkun2oAAA3N Content-Type: text/plain; charset="utf-8" From: Qiang Liu Replace seq_printf() with seq_puts() when printing constant strings without format specifiers. This is more efficient as seq_puts() doesn't need to parse the format string. Signed-off-by: Qiang Liu --- drivers/gpu/drm/display/drm_dp_mst_topology.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/display/drm_dp_mst_topology.c b/drivers/gpu/dr= m/display/drm_dp_mst_topology.c index fe72245fb9ca..d6620018d965 100644 --- a/drivers/gpu/drm/display/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/display/drm_dp_mst_topology.c @@ -4939,12 +4939,12 @@ void drm_dp_mst_dump_topology(struct seq_file *m, return; =20 state =3D to_drm_dp_mst_topology_state(mgr->base.state); - seq_printf(m, "\n*** Atomic state info ***\n"); + seq_puts(m, "\n*** Atomic state info ***\n"); seq_printf(m, "payload_mask: %x, max_payloads: %d, start_slot: %u, pbn_di= v: %d\n", state->payload_mask, mgr->max_payloads, state->start_slot, dfixed_trunc(state->pbn_div)); =20 - seq_printf(m, "\n| idx | port | vcpi | slots | pbn | dsc | status | s= ink name |\n"); + seq_puts(m, "\n| idx | port | vcpi | slots | pbn | dsc | status | sin= k name |\n"); for (i =3D 0; i < mgr->max_payloads; i++) { list_for_each_entry(payload, &state->payloads, next) { char name[14]; @@ -4966,28 +4966,28 @@ void drm_dp_mst_dump_topology(struct seq_file *m, } } =20 - seq_printf(m, "\n*** DPCD Info ***\n"); + seq_puts(m, "\n*** DPCD Info ***\n"); mutex_lock(&mgr->lock); if (mgr->mst_primary) { u8 buf[DP_PAYLOAD_TABLE_SIZE]; int ret; =20 if (drm_dp_read_dpcd_caps(mgr->aux, buf) < 0) { - seq_printf(m, "dpcd read failed\n"); + seq_puts(m, "dpcd read failed\n"); goto out; } seq_printf(m, "dpcd: %*ph\n", DP_RECEIVER_CAP_SIZE, buf); =20 ret =3D drm_dp_dpcd_read_data(mgr->aux, DP_FAUX_CAP, buf, 2); if (ret < 0) { - seq_printf(m, "faux/mst read failed\n"); + seq_puts(m, "faux/mst read failed\n"); goto out; } seq_printf(m, "faux/mst: %*ph\n", 2, buf); =20 ret =3D drm_dp_dpcd_read_data(mgr->aux, DP_MSTM_CTRL, buf, 1); if (ret < 0) { - seq_printf(m, "mst ctrl read failed\n"); + seq_puts(m, "mst ctrl read failed\n"); goto out; } seq_printf(m, "mst ctrl: %*ph\n", 1, buf); @@ -4996,7 +4996,7 @@ void drm_dp_mst_dump_topology(struct seq_file *m, ret =3D drm_dp_dpcd_read_data(mgr->aux, DP_BRANCH_OUI, buf, DP_BRANCH_OUI_HEADER_SIZE); if (ret < 0) { - seq_printf(m, "branch oui read failed\n"); + seq_puts(m, "branch oui read failed\n"); goto out; } seq_printf(m, "branch oui: %*phN devid: ", 3, buf); --=20 2.43.0