From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3C126D767FF for ; Fri, 19 Dec 2025 12:30:18 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 99B0C10EF94; Fri, 19 Dec 2025 12:30:17 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.b="pKqriBGJ"; dkim-atps=neutral Received: from mail-lf1-f52.google.com (mail-lf1-f52.google.com [209.85.167.52]) by gabe.freedesktop.org (Postfix) with ESMTPS id C672B10EF9C for ; Fri, 19 Dec 2025 12:30:15 +0000 (UTC) Received: by mail-lf1-f52.google.com with SMTP id 2adb3069b0e04-597d57d8bb3so1386564e87.3 for ; Fri, 19 Dec 2025 04:30:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1766147414; x=1766752214; darn=lists.freedesktop.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=DPb4j3wVisA9JnR3oRWF7sfi9svvn8zl+0LCubY1oLY=; b=pKqriBGJaC/hozzftTs1BkbUiPAzjGjFVu65z85tsLaPR0OTpkwl4GfEy7kIypKrAR FABgw2uusrbwbcEWFlznC337YIu2i0Yuit3EZS5L6Bgnw7P6erc2XD5ycnZ3pYnslA0M GmdezoXvWKdCmAxtiYbKdS7z0ITPApeOElHDRkYB1fh7CLaZj7pBzSkuc3oUPsuzCmHM dVsBSDphmGgFmXxGpJwhx3anCJeE7Zd45a1jiIXRWwtI2Xa1E3rdZX0V4nVQiUTfPvkF HbKEyvgd9vT2sxpVb4Qcn+EoA04CMDsuJQ1QzhoWQtwZOyWdMF4Ymfl+wR3vKKJOCnNR f1Dg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1766147414; x=1766752214; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-gg:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=DPb4j3wVisA9JnR3oRWF7sfi9svvn8zl+0LCubY1oLY=; b=Mg650U1dyhXilmdfSWRGcgWyqBpgDMbYfYcNnPBhFpM7er5QceEpMV+XvA7tNkV4Ye N3UNOOYjT6wELdKz7EO18n+/Qp6JWGb5seKi+EPU3SOkkhFUSzcJ0a5KX4M11qSHCa4z FZlMYMSppyuNp+kLMegkOmwuvSJHMnl5rbktLFDCt4oeJD9GeakHbWOuIcbhsXQsMQ6g X1MxCkMNJsspt85oRayV9ymjl78yr5iBMXGJsn0fzd2wyKLpQtaJGicouKx4mdndjD4N 5OZix1xjSM9Qa4n1iPlumQtm8yn2kvzaJyFO/BwAXQDBeCdOBCvy5ScNQpLxUGPul7je 1+zA== X-Gm-Message-State: AOJu0Yx8YS5/CSqTOxBFukuVGYIii9b/wH3Xii8U8x5SoKrpL+v4OORf onRh5U3CKsfhuzEmz2l0KQ7SSPxFpodIyntcQn6krEyi9V94tvHIZ+nt4BY6N5g81xo= X-Gm-Gg: AY/fxX54EZIZbuToJ/eLsLrwr+4+9zyjI6jRGUbGeje2InRofnek6H4cP7x5n52qm9d kKel41CRbsrr+IL9x6vS3xTRuuKu0zB3cajDXcDoEbxcf3ieXn7bMvNm2CbZ5aPtNSLqMrMElml BU6x6L35C9f/Gy5ZIeBZEmvPOpRx7R/ha4GBlcKy/AAgiA5i1/wTqXR8FCP8XLv6VxOt+YgQGTz hHqm9/ZDHbY9pkJxvDUjtMZb5Uduwsn44200ljz8efSps899AnSuUsh9eenYOezGvEAaWDou3gv 1QJtSSRUhSy8l0SgjDOIAEbnatilMgfsLoiu5P1JV8tDKW9CsYKhos1gvMPf0wAGjcYjpzV9jrM SqG3gNI1FfCMYpR2woB0GKwN2iLHnyhAjqSbVSBgDRy9+IOp2VTqqsYaJyPEFMlkQbQDxko3pfc P3loCJmJzp6lY6yENVNe5An2FHYWsknR7Xuta0I3jeGuPJVkc+XsfxDkY= X-Google-Smtp-Source: AGHT+IGJG+5oeetxlteCBI8eC8fSDh53fINWZpZaKlCc+ybCfd0LgBWIHILYHH2d0ftxpNb+VTZkhg== X-Received: by 2002:a05:6512:2304:b0:595:7daf:9425 with SMTP id 2adb3069b0e04-59a17d3ea12mr1114950e87.28.1766147413776; Fri, 19 Dec 2025 04:30:13 -0800 (PST) Received: from nuoska (87-100-249-247.bb.dnainternet.fi. [87.100.249.247]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-59a185d5ee4sm681986e87.17.2025.12.19.04.30.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 19 Dec 2025 04:30:13 -0800 (PST) Date: Fri, 19 Dec 2025 14:30:11 +0200 From: Mikko Rapeli To: Tomi Valkeinen Cc: dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Laurent Pinchart , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Michal Simek , Bill Mills , Ilias Apalodimas Subject: Re: [PATCH 0/2] drm: xlnx: zynqmp_kms: 16 bpp fixes for Xorg startup on AMD KV260 Message-ID: References: <20251205123751.2257694-1-mikko.rapeli@linaro.org> <533168f1-1655-4947-9032-b08463f502d7@ideasonboard.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <533168f1-1655-4947-9032-b08463f502d7@ideasonboard.com> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Hi, On Fri, Dec 19, 2025 at 01:59:14PM +0200, Tomi Valkeinen wrote: > Hi Mikko, > > On 05/12/2025 14:37, Mikko Rapeli wrote: > > Hi, > > > > Currently on default yocto images Xorg fails to start on AMD KV260 > > because 24/32 color depth gets detected but does not actually work. > > > > These two patches fix the issue and now 16 bpp gets detected > > and Xorg starts and draws on external HDMI display using > > kernel.org based linux-yocto kernel. > > > > Anatoliy Klymenko (1): > > drm: xlnx: zynqmp_kms: Init fbdev with 16 bit color > > > > Mikko Rapeli (1): > > drm: xlnx: zynqmp_kms: set preferred_depth to 16 bpp > > > > drivers/gpu/drm/xlnx/zynqmp_kms.c | 3 ++- > > 1 file changed, 2 insertions(+), 1 deletion(-) > > > > Did you notice the few already sent serieses on the list where the topic > has been discussed? > [PATCH] drm: xlnx: zynqmp_dp: Support DRM_FORMAT_XRGB8888 > [PATCH 0/3] drm: zynqmp: Make the video plane primary Oh I wasn't aware of these. > Or is there something else on KV260 that messes up the 24 bit color? These look very similar and likely fix the X11 startup. I will give them a try. Cheers, -Mikko