From nobody Mon Feb 9 15:50:17 2026 Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) (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 1D6A233557D; Fri, 14 Nov 2025 16:54:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.112 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763139278; cv=pass; b=KDzrDIMRkWnsN2AOb8Z2tBuXYJs/O+FuvYwSpWr8Gc65iziRGdyCnVita+YgAmb1re+bxk3TS3ck5OWUFilIwhLarQ0NytqWqSARZLqH95UzUHcPAal9jOFjmSVsbhvgAHCOOoC+A8nj28oHLyY2Od/usxO9ql7w+QOCwX/Hnj8= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763139278; c=relaxed/simple; bh=O/WVoQJ5FCa5XbHCzmonV0Ho97jAj8lY7RZxFZsutVI=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Inn3i2wfU4dL3xTdF2GdKsVsoJq47MRfW+gPeXhucj+Jsar4UIHA2J3IyfOHLfOzZQv2KNQvyujSm0+6Axsl8/JyE7PLM+gtYs5NT8olxLzzjPHZeaRsfSwdV79bFTUZgb7RUGFhlteddvu+iT/Fy3+IndKd5qnxH4dar3nwKwM= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=nicolas.frattaroli@collabora.com header.b=j0vw+Zv2; arc=pass smtp.client-ip=136.143.188.112 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=collabora.com header.i=nicolas.frattaroli@collabora.com header.b="j0vw+Zv2" ARC-Seal: i=1; a=rsa-sha256; t=1763139264; cv=none; d=zohomail.com; s=zohoarc; b=J9acPu6Yc0AiiEH6RBy6hePHR6U6YgttOl09/3t67sWtBeua1hM0wqdrzjtNYni+zx8PTOFaK2N+ScTXEO/88Cnjlx7ILsaiV8Oat0cira5Ck5URzEDJE5kciAfouilk0/TXKr8HxY5lbPsXoE3L2dWUod1OLscVtPDgP6rzr14= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1763139264; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=iXXXJ/YfENpaJKJhO5wDI3ypfbMEWnHe8CUA+ghmiKE=; b=nZKixmL+GKYQ7Q6b/UYYFDcJRfwHSpiVbn8XjFSJGX6I5R/AWj70s7Wpntsqh46nmXJ0UnjNXvkegqX+LwtH/8KTzyRu+td+gnOU8uEnE/s8wbrQGUz2ruo7TErHnJYgnzaICV8IYnj+P7NFcXSxQ+4xJ2l/FwLohVqRGpAZZLI= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=nicolas.frattaroli@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1763139264; s=zohomail; d=collabora.com; i=nicolas.frattaroli@collabora.com; h=From:From:Date:Date:Subject:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-Id:Message-Id:References:In-Reply-To:To:To:Cc:Cc:Reply-To; bh=iXXXJ/YfENpaJKJhO5wDI3ypfbMEWnHe8CUA+ghmiKE=; b=j0vw+Zv2sMPg1BhQnSftLJpiXn87XjAMCy2kX9j6kAY3c9RQUc97vegdKbW6wkNx AG/Po5pyjS0+hmQKbXVykDrGDm3nwzvVJQz5nSwMAFCd7P+AQ7dxaxy09WoxUS/oXa5 BmRe9ZAH3ooACx+tMSzK6EUWz8DLXBFIgC/QbKQg= Received: by mx.zohomail.com with SMTPS id 1763139263537949.2222555499463; Fri, 14 Nov 2025 08:54:23 -0800 (PST) From: Nicolas Frattaroli Date: Fri, 14 Nov 2025 17:53:59 +0100 Subject: [PATCH 05/13] soc: mediatek: mtk-dvfsrc: Add and propagate DVFSRC bandwidth type Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251114-mt8196-dvfsrc-v1-5-b956d4631468@collabora.com> References: <20251114-mt8196-dvfsrc-v1-0-b956d4631468@collabora.com> In-Reply-To: <20251114-mt8196-dvfsrc-v1-0-b956d4631468@collabora.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Henry Chen , Georgi Djakov Cc: kernel@collabora.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-pm@vger.kernel.org, Nicolas Frattaroli X-Mailer: b4 0.14.3 From: AngeloGioacchino Del Regno In preparation for adding support for DVFSRC Version 4, add a new mtk_dvfsrc_bw_type enumeration, and propagate it from specific bw setting callbacks to __dvfsrc_set_dram_bw_v1(), which will use it to choose calculation multipliers and dividers in v4 callbacks. Signed-off-by: AngeloGioacchino Del Regno --- drivers/soc/mediatek/mtk-dvfsrc.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/drivers/soc/mediatek/mtk-dvfsrc.c b/drivers/soc/mediatek/mtk-d= vfsrc.c index 7708b07ab2d6..a684e405daf7 100644 --- a/drivers/soc/mediatek/mtk-dvfsrc.c +++ b/drivers/soc/mediatek/mtk-dvfsrc.c @@ -36,6 +36,13 @@ #define MTK_SIP_DVFSRC_INIT 0x0 #define MTK_SIP_DVFSRC_START 0x1 =20 +enum mtk_dvfsrc_bw_type { + DVFSRC_BW_AVG, + DVFSRC_BW_PEAK, + DVFSRC_BW_HRT, + DVFSRC_BW_MAX, +}; + struct dvfsrc_bw_constraints { u16 max_dram_nom_bw; u16 max_dram_peak_bw; @@ -268,7 +275,7 @@ static void dvfsrc_set_vscp_level_v2(struct mtk_dvfsrc = *dvfsrc, u32 level) } =20 static void __dvfsrc_set_dram_bw_v1(struct mtk_dvfsrc *dvfsrc, u32 reg, - u16 max_bw, u16 min_bw, u64 bw) + int type, u16 max_bw, u16 min_bw, u64 bw) { u32 new_bw =3D (u32)div_u64(bw, 100 * 1000); =20 @@ -285,21 +292,21 @@ static void dvfsrc_set_dram_bw_v1(struct mtk_dvfsrc *= dvfsrc, u64 bw) { u64 max_bw =3D dvfsrc->dvd->bw_constraints->max_dram_nom_bw; =20 - __dvfsrc_set_dram_bw_v1(dvfsrc, DVFSRC_SW_BW, max_bw, 0, bw); + __dvfsrc_set_dram_bw_v1(dvfsrc, DVFSRC_SW_BW, DVFSRC_BW_AVG, max_bw, 0, b= w); }; =20 static void dvfsrc_set_dram_peak_bw_v1(struct mtk_dvfsrc *dvfsrc, u64 bw) { u64 max_bw =3D dvfsrc->dvd->bw_constraints->max_dram_peak_bw; =20 - __dvfsrc_set_dram_bw_v1(dvfsrc, DVFSRC_SW_PEAK_BW, max_bw, 0, bw); + __dvfsrc_set_dram_bw_v1(dvfsrc, DVFSRC_SW_PEAK_BW, DVFSRC_BW_PEAK, max_bw= , 0, bw); } =20 static void dvfsrc_set_dram_hrt_bw_v1(struct mtk_dvfsrc *dvfsrc, u64 bw) { u64 max_bw =3D dvfsrc->dvd->bw_constraints->max_dram_hrt_bw; =20 - __dvfsrc_set_dram_bw_v1(dvfsrc, DVFSRC_SW_HRT_BW, max_bw, 0, bw); + __dvfsrc_set_dram_bw_v1(dvfsrc, DVFSRC_SW_HRT_BW, DVFSRC_BW_HRT, max_bw, = 0, bw); } =20 static void dvfsrc_set_opp_level_v1(struct mtk_dvfsrc *dvfsrc, u32 level) --=20 2.51.2