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 X-Spam-Level: X-Spam-Status: No, score=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6C696C2D0C3 for ; Mon, 16 Dec 2019 16:10:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4368320726 for ; Mon, 16 Dec 2019 16:10:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="cXv6nwlv" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726252AbfLPQKT (ORCPT ); Mon, 16 Dec 2019 11:10:19 -0500 Received: from mail-wr1-f68.google.com ([209.85.221.68]:46946 "EHLO mail-wr1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725805AbfLPQKT (ORCPT ); Mon, 16 Dec 2019 11:10:19 -0500 Received: by mail-wr1-f68.google.com with SMTP id z7so7909450wrl.13 for ; Mon, 16 Dec 2019 08:10:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to :user-agent; bh=wBlvcCO8Ml/H3509NAX+qSULZon7Go2sxTKRNZ2ctvE=; b=cXv6nwlv5pmdDWI5Y7fvYBC08HVao0ujeoZ+7ojLX6RoCDn8hreHedCs3lAgk0Gk/1 UHW3JvpWt+pi/gzHwcOvv05kCPRivGFMzcHyMcYP0x35zcal9iIdwDatmGkcF5fcQ6Xs VBY8rQawpt+crj27oTb9ERdm/cu8IMc5iKJWzLYMu/ROqZaWhXSo/iSTzLK5L6+T7kz5 vzU8CftoZwUEP4SDSneANgLgQ8v1+lwSWYMjy/hIOtryfimxrX1odtPyTx0+4bqQNFEa 2eJkifCe0okcSE/VE71ZqbBTpPzP8FFPc+tXIK6kL8zAPr47XlZAkzPidGzT3wtnFD9/ D4PQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to:user-agent; bh=wBlvcCO8Ml/H3509NAX+qSULZon7Go2sxTKRNZ2ctvE=; b=kXujGEYl1/CJ4UpyjRKARQj7hLDXnvl0mwSKTf2PdA0d4di3sbKCP+8pVzNw0h51PG OPex/A1D6CjJLisWrfNGXSlF1CUYhZZftfbTijM6eagOOx7npD4a3WI1OMLOfLh7FM8r 0f4MwkLxbkvUnC7dIaQ3l+zT/xXJVhyhyPP1MoyhlJ19lI0U0J8EY9Mis5E2wwsgc0A5 eF59UoEDW4sOSn3bXl+ns7wc390VPYLOeHzcndqBFllwjuURINSmOBq5M8s/39Upgs0u GLvRGkhmJOHdwsdMWzO2PizZxLb2NOrM9T/kwaaT2KPICh4MFA6q+lFz5urGdPPGHqP1 rwRw== X-Gm-Message-State: APjAAAWe9zTxF+qcTv9UvIu3EnTO2mbjyleV4lM5Bh+T4ZnUDmHG/9mr jcS6eLtY7FlAP5VkK6Rdb7uAIg== X-Google-Smtp-Source: APXvYqx5XSE4BmIOlkRofxhble/1rYpcYC58fzYcnPbCJdxQ+lw+Sz3KW8autUMHTKtkQigKTBxOnQ== X-Received: by 2002:adf:ebc3:: with SMTP id v3mr30755356wrn.280.1576512617135; Mon, 16 Dec 2019 08:10:17 -0800 (PST) Received: from dell ([185.17.149.202]) by smtp.gmail.com with ESMTPSA id f1sm21916406wro.85.2019.12.16.08.10.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Dec 2019 08:10:16 -0800 (PST) Date: Mon, 16 Dec 2019 16:10:15 +0000 From: Lee Jones To: Andy Shevchenko Cc: Hans de Goede , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Ville =?iso-8859-1?Q?Syrj=E4l=E4?= , Linus Walleij , intel-gfx , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org Subject: Re: [PATCH 0/5] drm/i915/dsi: Control panel and backlight enable GPIOs from VBT Message-ID: <20191216161015.GM2369@dell> References: <20191215163810.52356-1-hdegoede@redhat.com> <20191216121840.GS32742@smile.fi.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20191216121840.GS32742@smile.fi.intel.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org On Mon, 16 Dec 2019, Andy Shevchenko wrote: > On Sun, Dec 15, 2019 at 05:38:05PM +0100, Hans de Goede wrote: > > Hi All, > > > > This is a new (completely rewritten) version of my patches to make the > > i915 code control the SoC panel- and backlight-enable GPIOs on Bay Trail > > devices when the VBT indicates that the SoC should be used for backlight > > control. This fixes the panel not lighting up on various devices when > > booted with a HDMI monitor connected, in which case the firmware skips > > initializing the panel as it inits the HDMI instead. > > > > This series has been tested on; and fixes this issue on; the following models: > > > > Peaq C1010 > > Point of View MOBII TAB-P800W > > Point of View MOBII TAB-P1005W > > Terra Pad 1061 > > Thundersoft TST178 > > Yours Y8W81 > > > > Linus, this series starts with the already discussed pinctrl change to > > export the function to unregister a pinctrl-map. We can either merge this > > through drm-intel, or you could pick it up and then provide an immutable > > branch with it for merging into drm-intel-next. Which option do you prefer? > > > > Lee, I know you don't like this, but unfortunately this series introcudes > > some (other) changes to drivers/mfd/intel_soc_pmic_core.c. The GPIO subsys > > allows only one mapping-table per consumer, so in hindsight adding the code > > which adds the mapping for the PMIC panel-enable pin to the PMIC mfd driver > > was a mistake, as the PMIC code is a provider where as mapping-tables are > > per consumer. The 4th patch fixes this by moving the mapping-table to the > > i915 code, so that we can also add mappings for some of the pins on the SoC > > itself. Since this whole series makes change to the i915 code I plan to > > merge this mfd change to the drm-intel tree. > > FWIW, Lee, I believe there will be no (significant) changes in the driver Hans > touched. For the record it seems only Hans is touching drivers for old Intel > platforms (such as Baytrail and Cherryview). More exceptions, yay! Again, in *this* case, it's probably fine. What I want to know is; what happens when it's not fine? What happens when you or someone else starts changing MFD and DRM on more active files? Then I will have to insist on an immutable branch. So it would be better for the DRM tree to be able to handle that use-case sooner rather than later, regardless of who has the most churn. -- Lee Jones [李琼斯] Linaro Services Technical Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog 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 X-Spam-Level: X-Spam-Status: No, score=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F2D6BC43603 for ; Mon, 16 Dec 2019 16:10:22 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id C8A5E20717 for ; 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Mon, 16 Dec 2019 08:10:17 -0800 (PST) Received: from dell ([185.17.149.202]) by smtp.gmail.com with ESMTPSA id f1sm21916406wro.85.2019.12.16.08.10.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Dec 2019 08:10:16 -0800 (PST) Date: Mon, 16 Dec 2019 16:10:15 +0000 From: Lee Jones To: Andy Shevchenko Subject: Re: [PATCH 0/5] drm/i915/dsi: Control panel and backlight enable GPIOs from VBT Message-ID: <20191216161015.GM2369@dell> References: <20191215163810.52356-1-hdegoede@redhat.com> <20191216121840.GS32742@smile.fi.intel.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20191216121840.GS32742@smile.fi.intel.com> User-Agent: Mutt/1.10.1 (2018-07-13) 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: , Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, Hans de Goede , dri-devel@lists.freedesktop.org, Rodrigo Vivi , intel-gfx Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" T24gTW9uLCAxNiBEZWMgMjAxOSwgQW5keSBTaGV2Y2hlbmtvIHdyb3RlOgoKPiBPbiBTdW4sIERl YyAxNSwgMjAxOSBhdCAwNTozODowNVBNICswMTAwLCBIYW5zIGRlIEdvZWRlIHdyb3RlOgo+ID4g SGkgQWxsLAo+ID4gCj4gPiBUaGlzIGlzIGEgbmV3IChjb21wbGV0ZWx5IHJld3JpdHRlbikgdmVy c2lvbiBvZiBteSBwYXRjaGVzIHRvIG1ha2UgdGhlCj4gPiBpOTE1IGNvZGUgY29udHJvbCB0aGUg U29DIHBhbmVsLSBhbmQgYmFja2xpZ2h0LWVuYWJsZSBHUElPcyBvbiBCYXkgVHJhaWwKPiA+IGRl dmljZXMgd2hlbiB0aGUgVkJUIGluZGljYXRlcyB0aGF0IHRoZSBTb0Mgc2hvdWxkIGJlIHVzZWQg Zm9yIGJhY2tsaWdodAo+ID4gY29udHJvbC4gVGhpcyBmaXhlcyB0aGUgcGFuZWwgbm90IGxpZ2h0 aW5nIHVwIG9uIHZhcmlvdXMgZGV2aWNlcyB3aGVuCj4gPiBib290ZWQgd2l0aCBhIEhETUkgbW9u aXRvciBjb25uZWN0ZWQsIGluIHdoaWNoIGNhc2UgdGhlIGZpcm13YXJlIHNraXBzCj4gPiBpbml0 aWFsaXppbmcgdGhlIHBhbmVsIGFzIGl0IGluaXRzIHRoZSBIRE1JIGluc3RlYWQuCj4gPiAKPiA+ IFRoaXMgc2VyaWVzIGhhcyBiZWVuIHRlc3RlZCBvbjsgYW5kIGZpeGVzIHRoaXMgaXNzdWUgb247 IHRoZSBmb2xsb3dpbmcgbW9kZWxzOgo+ID4gCj4gPiBQZWFxIEMxMDEwCj4gPiBQb2ludCBvZiBW aWV3IE1PQklJIFRBQi1QODAwVwo+ID4gUG9pbnQgb2YgVmlldyBNT0JJSSBUQUItUDEwMDVXCj4g PiBUZXJyYSBQYWQgMTA2MQo+ID4gVGh1bmRlcnNvZnQgVFNUMTc4Cj4gPiBZb3VycyBZOFc4MQo+ ID4gCj4gPiBMaW51cywgdGhpcyBzZXJpZXMgc3RhcnRzIHdpdGggdGhlIGFscmVhZHkgZGlzY3Vz c2VkIHBpbmN0cmwgY2hhbmdlIHRvCj4gPiBleHBvcnQgdGhlIGZ1bmN0aW9uIHRvIHVucmVnaXN0 ZXIgYSBwaW5jdHJsLW1hcC4gV2UgY2FuIGVpdGhlciBtZXJnZSB0aGlzCj4gPiB0aHJvdWdoIGRy bS1pbnRlbCwgb3IgeW91IGNvdWxkIHBpY2sgaXQgdXAgYW5kIHRoZW4gcHJvdmlkZSBhbiBpbW11 dGFibGUKPiA+IGJyYW5jaCB3aXRoIGl0IGZvciBtZXJnaW5nIGludG8gZHJtLWludGVsLW5leHQu IFdoaWNoIG9wdGlvbiBkbyB5b3UgcHJlZmVyPwo+ID4gCj4gPiBMZWUsIEkga25vdyB5b3UgZG9u J3QgbGlrZSB0aGlzLCBidXQgdW5mb3J0dW5hdGVseSB0aGlzIHNlcmllcyBpbnRyb2N1ZGVzCj4g PiBzb21lIChvdGhlcikgY2hhbmdlcyB0byBkcml2ZXJzL21mZC9pbnRlbF9zb2NfcG1pY19jb3Jl LmMuIFRoZSBHUElPIHN1YnN5cwo+ID4gYWxsb3dzIG9ubHkgb25lIG1hcHBpbmctdGFibGUgcGVy IGNvbnN1bWVyLCBzbyBpbiBoaW5kc2lnaHQgYWRkaW5nIHRoZSBjb2RlCj4gPiB3aGljaCBhZGRz IHRoZSBtYXBwaW5nIGZvciB0aGUgUE1JQyBwYW5lbC1lbmFibGUgcGluIHRvIHRoZSBQTUlDIG1m ZCBkcml2ZXIKPiA+IHdhcyBhIG1pc3Rha2UsIGFzIHRoZSBQTUlDIGNvZGUgaXMgYSBwcm92aWRl ciB3aGVyZSBhcyBtYXBwaW5nLXRhYmxlcyBhcmUKPiA+IHBlciBjb25zdW1lci4gVGhlIDR0aCBw YXRjaCBmaXhlcyB0aGlzIGJ5IG1vdmluZyB0aGUgbWFwcGluZy10YWJsZSB0byB0aGUKPiA+IGk5 MTUgY29kZSwgc28gdGhhdCB3ZSBjYW4gYWxzbyBhZGQgbWFwcGluZ3MgZm9yIHNvbWUgb2YgdGhl IHBpbnMgb24gdGhlIFNvQwo+ID4gaXRzZWxmLiBTaW5jZSB0aGlzIHdob2xlIHNlcmllcyBtYWtl cyBjaGFuZ2UgdG8gdGhlIGk5MTUgY29kZSBJIHBsYW4gdG8KPiA+IG1lcmdlIHRoaXMgbWZkIGNo YW5nZSB0byB0aGUgZHJtLWludGVsIHRyZWUuCj4gCj4gRldJVywgTGVlLCBJIGJlbGlldmUgdGhl cmUgd2lsbCBiZSBubyAoc2lnbmlmaWNhbnQpIGNoYW5nZXMgaW4gdGhlIGRyaXZlciBIYW5zCj4g dG91Y2hlZC4gRm9yIHRoZSByZWNvcmQgaXQgc2VlbXMgb25seSBIYW5zIGlzIHRvdWNoaW5nIGRy aXZlcnMgZm9yIG9sZCBJbnRlbAo+IHBsYXRmb3JtcyAoc3VjaCBhcyBCYXl0cmFpbCBhbmQgQ2hl cnJ5dmlldykuCgpNb3JlIGV4Y2VwdGlvbnMsIHlheSEKCkFnYWluLCBpbiAqdGhpcyogY2FzZSwg aXQncyBwcm9iYWJseSBmaW5lLiAgV2hhdCBJIHdhbnQgdG8ga25vdyBpczsKd2hhdCBoYXBwZW5z IHdoZW4gaXQncyBub3QgZmluZT8gIFdoYXQgaGFwcGVucyB3aGVuIHlvdSBvciBzb21lb25lCmVs c2Ugc3RhcnRzIGNoYW5naW5nIE1GRCBhbmQgRFJNIG9uIG1vcmUgYWN0aXZlIGZpbGVzPyAgVGhl biBJIHdpbGwKaGF2ZSB0byBpbnNpc3Qgb24gYW4gaW1tdXRhYmxlIGJyYW5jaC4gIFNvIGl0IHdv dWxkIGJlIGJldHRlciBmb3IgdGhlCkRSTSB0cmVlIHRvIGJlIGFibGUgdG8gaGFuZGxlIHRoYXQg dXNlLWNhc2Ugc29vbmVyIHJhdGhlciB0aGFuIGxhdGVyLApyZWdhcmRsZXNzIG9mIHdobyBoYXMg dGhlIG1vc3QgY2h1cm4uCgotLSAKTGVlIEpvbmVzIFvmnY7nkLzmlq9dCkxpbmFybyBTZXJ2aWNl cyBUZWNobmljYWwgTGVhZApMaW5hcm8ub3JnIOKUgiBPcGVuIHNvdXJjZSBzb2Z0d2FyZSBmb3Ig QVJNIFNvQ3MKRm9sbG93IExpbmFybzogRmFjZWJvb2sgfCBUd2l0dGVyIHwgQmxvZwpfX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGlu ZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVl ZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK 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 X-Spam-Level: X-Spam-Status: No, score=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4C57AC43603 for ; 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