From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=185.11.138.130 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793571395; b=BRCmbNcMOTmFUpGXtX/ZoD9ozLisXRbYlNSfbraVZXFDhh1uBkyJEtwZkS0HD4h4rV7t WGrjw1WCzeks1FIfLXjqEIEaw8ZszgruLpPLlqROiHNTmN49atWwIZqjwNmyBoDVZcS2G 0NyM8iIWdbqPxMf6txuDjJ15eNozriRghThTNvRiulH7Fs0jGkNAQ9DjGbcodarLH67cH +yQfpzeVktOG94z8SLU2GFJcrmiblKuvnS+A+2J0wlswLJ6FMUcQOOd0HzdCmfEvOsO4m qB6CsSaey4owvyn1sulrQTbnzdbeBLC+NKO9xRl+K28UuWF62Gn04R/1ZJOtqadbGYg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793571395; h=DMARC-Filter:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID: X-Mailer:In-Reply-To:References:MIME-Version:Content-Type: Content-Transfer-Encoding; bh=QEO/sD+c2E6Sj9HbxkWZHgx/K/Tm9t/CRYMgnWIcyi4=; b=asOX+j77Gmfhs6NZs3HwIRvNgmdvfRvqVk38ySSUZb/Csv34bS7aKAFIf+VM+ZAEs054 kU4e0IkLDBls9/LWJv7nqvBNOsRGSokELyWch8X1XTrnWPl/pHx0LSH8ELJdY1/mKmrkG Cn8ffprHyjrl+7KwM8NBB1PLpAGDBU3xJ4yPe4y13qSpgaYfDA22bCD6HqNq/0Es1YW2B p1UUP+jSd65jqjyk7rj0n69RLkU4+dX8ZObQoV9UhLaqx2n5es+e9IWxVuOU9N0BjFn3d u1f+7Ix+Lhl5WRpwT7FyAZioQnn1vF1B2ThvISWBAye+1dTBzNp0DNC4X2vcz0+Y9+g== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=sntech.de; spf=pass smtp.mailfrom=sntech.de; dkim=pass header.d=sntech.de header.i=@sntech.de header.a=rsa-sha256 header.s=gloria202408 header.b=OGHnGUhl; arc=none smtp.remote-ip=185.11.138.130 Received: from gloria.sntech.de (gloria.sntech.de [185.11.138.130]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5208A606E533; Sun, 1 Nov 2026 22:16:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 5208A606E533 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=sntech.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sntech.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=sntech.de header.i=@sntech.de header.a=rsa-sha256 header.s=gloria202408 header.b=OGHnGUhl DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sntech.de; s=gloria202408; h=Content-Transfer-Encoding:Content-Type:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Reply-To; bh=QEO/sD+c2E6Sj9HbxkWZHgx/K/Tm9t/CRYMgnWIcyi4=; b=OGHnGUhlMmiOtpmvL99Ph1+mni z63rLqlPa8OBDtvz7NqL+zjcSpTL6MKJLpwlKD+A2mHYv4b1+jFRZG3HDrv5mmNeVT4vIWv4QJZQD b/cBIqOA5LSUWqr4JdxO+31FAhazjOeawWF9JbvvE3YaDqTRnbGer5PjzJJubyoJTTWIAx+wlLZ0B P0RM9mmF54M5n8fkf9CJ2eSA70oNQcOFSXWtI22N0exrS1YVCbJTRr/Va57m1JDgASa70s+gsxD+o AbWTx4V5KSEeQl2BrDO5xHC3vh0SRnZjAt4QHWsykiS4wXc7j4WK54hXa+xRu7eGpaKWK80/Kx7mX Pd3yIkFA==; From: Heiko Stuebner To: Miguel Jesus Seron Gonzalez Cc: Heiko Stuebner , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Dongjin Kim , Chukun Pan , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] arm64: dts: rockchip: odroid-m1: use rgmii-id for gmac0 Date: Sun, 1 Nov 2026 23:16:10 +0100 Message-ID: <179357136499.4108155.904162787901062784.b4-ty@b4> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20261019192254.6933-1-info@gluon.es> References: <20261019192254.6933-1-info@gluon.es> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit On Mon, 19 Oct 2026 21:22:54 +0200, Miguel Jesus Seron Gonzalez wrote: > The gmac0 node uses phy-mode "rgmii" with the MAC delays > tx_delay = <0x4f> and rx_delay = <0x2d>. On some boards this TX delay > does not work at 1000 Mbit/s. Dongjin Kim reported iperf3 throughput > below 200 Mbit/s on REV 1.0 20220613 boards. On a REV 1.0 20211112 > board, TX from the board stalls completely in iperf3 and ping loss > grows with frame size (5% at 56 bytes, 20% at 1472 bytes), while RX is > unaffected. Other boards work with the current value, so it seems to > be marginal rather than wrong everywhere. > > [...] Applied, thanks! [1/1] arm64: dts: rockchip: odroid-m1: use rgmii-id for gmac0 commit: 781227c237f16eaf14c57124cca854a5faf8a121 Best regards, -- Heiko Stuebner