From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (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 96F40348883 for ; Wed, 18 Feb 2026 20:56:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771448215; cv=none; b=h73ju3nCE3FnC5QL5Q6C3TDBRit/wg5gz+A5Yszz9iuwMuhbmfLrKoAoCkGOPx/qv9h7/6B8Wb8/cXDMBSguA2srfJlUYpm0bYBaKI6VSKGZl48gYSw9qyh2Nfz+YFfi20RnyxG89qPq/HlY1ysBtG5dejNvIs0t6lX5U63jIR4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771448215; c=relaxed/simple; bh=OwmdDIcpJBYXHzGN/OiX+qYUOpoVkCDEW7IiyCqnSpc=; h=Message-ID:Date:MIME-Version:Subject:To:References:From: In-Reply-To:Content-Type; b=nIXyaluXBkhv3SKBWK/82XDhvDozurjarWfV8ouE6UPAG/8C5dUcdqY6hpzBG/i/PHbB1c5Dh6YFl8N+ynTKciZjqPvU3NWomdwzEMUUGZ7V0ejItH4ZqSPtoBVO2S4J49phVhXOq2SpV9RriPgZmC2xC3sym9wmiTb7VomraXo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=S5J56E93; arc=none smtp.client-ip=148.251.105.195 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 (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="S5J56E93" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1771448212; bh=OwmdDIcpJBYXHzGN/OiX+qYUOpoVkCDEW7IiyCqnSpc=; h=Date:Subject:To:References:From:In-Reply-To:From; b=S5J56E93P9UTrZ/REL9COO9XVO1m6FzavDwdBnI7cuJx9qGxJ40XAwCrYBoAjPcfd ADWCaNMxXYkfZC54N1hUHXEzkRqADui5iLVUZV6wD/b2E8f8+fC5POkv+NkniUp9rk Vxgaph+ucn/vgPJK/XHE0XezfmulXRqL/JB0NqVaY4pZBxiJfrdc9hLR194YhqQUOJ Jdjz+iTnEe0YYEaqf10jNa7PCI3dWJLOPeCmCFddQG4ws79JF+q0PRhB+12PfWo/G1 pcN4bryzGotxtNiu8pwHNGBXqOBsq7yEO4vVrech0z5WeD4wIXcGJRkO98OortxdQN y7nGzuBOHT03Q== Received: from [192.168.1.90] (unknown [82.79.138.145]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) (Authenticated sender: cristicc) by bali.collaboradmins.com (Postfix) with ESMTPSA id 8622417E131B; Wed, 18 Feb 2026 21:56:52 +0100 (CET) Message-ID: Date: Wed, 18 Feb 2026 22:56:52 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [REGRESSION] HDMI monitor not working on Radxa Rock 5B after phy rockchip samsung hdptx HDMI 2.1 FRL patchset To: dubito@online.de, Vinod Koul , Neil Armstrong , Heiko Stuebner , linux-phy@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, regressions@lists.linux.dev References: <8e410a11-bd7b-4a12-a711-0514a59409c0@collabora.com> <1859c940219a4dbfdf0497afbf333e627ab0ba25.camel@online.de> <98e46dbb-c8e2-451f-accb-ea48f63f9408@collabora.com> <4544ec4ccfa49cbdffee098878df7806223935a0.camel@online.de> <08369c90-fbab-477d-9ac6-388deddfd3b1@collabora.com> <26e31b3b-484f-433b-833f-c639ee437f63@collabora.com> <03b5f3d1-6db4-4835-b2a5-c22c1aa63825@collabora.com> Content-Language: en-US From: Cristian Ciocaltea In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Hi Thomas, On 2/18/26 10:43 PM, 1und1 wrote: > Hi Cristian, > > > Am Mittwoch, dem 18.02.2026 um 22:15 +0200 schrieb Cristian Ciocaltea: >> On 2/18/26 3:22 AM, Cristian Ciocaltea wrote: >>> On 2/18/26 2:52 AM, Cristian Ciocaltea wrote: >>>> Hi Thomas, >>> [...] >>> >>>> >>>> Sorry, I somehow missed the following warning message, though it has been >>>> already present in all the logs you've sent to me so far: >>>> >>>> rockchip-hdptx-phy fed60000.phy: PLL locked by unknown consumer! >>>> >>>> That indicates the PHY has been preconfigured by an external component >>>> (e.g. the >>>> bootloader), which is actually a scenario that I didn't verify. >>>> >>>> However, this just another way to expose a limitation of the current >>>> approach >>>> for managing the TMDS character rate: done via the Common Clock Framework >>>> API >>>> instead of the HDMI PHY configuration API. >>>> >>>> As a matter of fact, it was actually an item on my TODOs list for quite a >>>> while, >>>> but blocked until recently due to several dependencies waiting to be >>>> merged >>>> upstream. >>>> >>>> Hence I took the opportunity to finalize this task - please give the >>>> following >>>> commits in my rk3588-hdmi-debug branch [2] a try: >>> >>> I've just realized I introduced a regression while doing some cleanup work, >>> hence >>> please ignore this until further notice. >> >> I think I got this working properly now, at least it passes all the tests I >> could run. The updated commits in [2] are: >> >> fa7cd1e75aaa ("phy: rockchip: samsung-hdptx: Fix rate recalculation for high >> bpc") >> 8048db5544da ("phy: rockchip: samsung-hdptx: Exclusively use PHY config API >> for PLL changes") >> 0085a382dfd0 ("[DEBUG] drm/rockchip: Add HDMI verbose logging") >> > > applying these commits solves my problems. I tested 1920x1080@60, 1920x1080@50 > and 1920x1080@30. All work now. Thanks for the quick fix! Thanks for the quick test! I can add you to cc: when I submit the series, so that you may provide your Tested-by tag if you'd like to. > And the positive side> effect seems to be that you can now take one of your > old todos from your list. Indeed. :-) Regards, Cristian