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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 521CAC433FE for ; Mon, 10 Oct 2022 16:39:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229770AbiJJQjV (ORCPT ); Mon, 10 Oct 2022 12:39:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36734 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229619AbiJJQjR (ORCPT ); Mon, 10 Oct 2022 12:39:17 -0400 Received: from mout.kundenserver.de (mout.kundenserver.de [217.72.192.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 720336BD7E for ; Mon, 10 Oct 2022 09:39:16 -0700 (PDT) Received: from [192.168.1.138] ([37.4.248.18]) by mrelayeu.kundenserver.de (mreue107 [212.227.15.183]) with ESMTPSA (Nemesis) id 1MOAmt-1oX9G03DkP-00Obdf; Mon, 10 Oct 2022 18:39:01 +0200 Message-ID: <23f7a57a-c89d-27be-c563-b9f8f6d5df5e@i2se.com> Date: Mon, 10 Oct 2022 18:38:59 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.2.2 Subject: Re: [PATCH 0/2] drm/vc4: hdmi: Fixes for the RaspberryPi 0-3 stalls To: Maxime Ripard , David Airlie , Daniel Vetter , Thomas Zimmermann , Maarten Lankhorst , Emma Anholt Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Marc Kleine-Budde References: <20220929-rpi-pi3-unplugged-fixes-v1-0-cd22e962296c@cerno.tech> <20221010085058.dvf4o6tsr55kmw7f@houat> Content-Language: en-US From: Stefan Wahren In-Reply-To: <20221010085058.dvf4o6tsr55kmw7f@houat> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K1:PEfgnRnSKoVjUSfLXj8qP1aHVKsUooymuT3lJDLWTsZZyF5y51f kTPS8xCy66A6XNEY/iEDsjXxGluWPu+Didq/S+nrOe0EhApZhPTatgUxw36ojFrRsQGnHo9 mfHSAhjlwBowiOeXD6QexP6fxdNm7f1T8FcZZu0GLKcMva3OhxGe0/IT2sqdjLFINi0Kr9J kxhKDqBYKUfd8WrPcAZcQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:uleICE/LoB8=:OeCnbhmSA32RG9TSZeWzuQ 0qlEb6trtCPYp072+jh12qE3jq2bFqyIRAqz4nOfU9hJ6+dQ8y9WDRUhVvbdXBWHQICJxAVD3 Gd3CUEvc6eTwNMntEIoq01B0iiEDqag4NA2O4EFGp+1gIZoiQtqTw7icJFF1HPvyTWZUC8HLn Wgi35WLUgRrNxMTnRgjboXwTqjBvvzu08svV/X2YzkpuNGEA+xEzOlfybneLp+u8kbJ940pdd snnQ/S/kFOf5B+QCRDX1G9kGG/3tfs8CESeUf+vDCFBgRYhM7Z6oKeGdzylw534oiCaLE319h Engyy9GXRlskFIFtCdlpGLvhGAjEHfGz0D19y0hYw9l+Labx1Mx+VZQsS0HikzkJEnpW7mole Z3xQ+VXtnyFgQJDhlDKAq7DKXAxV3Qf53Ez2dlzfNH/D5wPbtv7Z1S3yjp3ZghQHxX+Gcatcj xIY5b2ml2zBMthOrlv3xzMdBwfPQG0tPJH5olAPOIiLc9E4dvD1qIa0PkT1f26ln9s0t8bo1e KIr2svK9vFU76iBG7gpYpeOzmoN8No803+xSaZxHrEsL+74z32FZBpETZlHkkQH+z487TlMfC ObiW4izHw+OgUI5cHbEtbktOsgxKCJ7K2DDfZBSZJUZx54soxYuwIMq1MeB3fPFA3E0lRF/BN QGDRbTz4uLOHMUj2qop3EC8d8FxFbAEDrCbWLFp5TId6NkUVOgGtfEbT1cKiHYBg4st9sUArk 9598c8peIpEt0/HYXHwlzWosbvFxUk8yN622Q4T3PF6dEvoanZobtkamHO9h+rvW0BjYgjYNy qyTW6gG Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am 10.10.22 um 10:50 schrieb Maxime Ripard: > Hi Mark, Stefan, > > On Thu, Sep 29, 2022 at 11:21:16AM +0200, Maxime Ripard wrote: >> Here's a series addressing the current bug that has been reported for the >> RaspberryPi3, where booting without an HDMI monitor attached and with vc4 >> compiled as a module will lead to a stuck system when the module is loaded. >> >> This is due to the HSM clock not being initialized by anyone, and thus not >> being functional once we start accessing the HDMI registers. >> >> The first patch will fix this, and the second will make sure we avoid that >> situation entirely in the future. This has been tested with 5.19.12. Earlier >> versions might need a backport of 88110a9f6209 ("clk: bcm2835: fix >> bcm2835_clock_choose_div"). > Could you test/review this? Looks good to me: Tested-by: Stefan Wahren > > Thanks > Maxime