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 F38F9EB64DA for ; Fri, 16 Jun 2023 12:53:07 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7391A10E619; Fri, 16 Jun 2023 12:53:07 +0000 (UTC) Received: from mail-yw1-x112f.google.com (mail-yw1-x112f.google.com [IPv6:2607:f8b0:4864:20::112f]) by gabe.freedesktop.org (Postfix) with ESMTPS id E830610E619 for ; Fri, 16 Jun 2023 12:53:04 +0000 (UTC) Received: by mail-yw1-x112f.google.com with SMTP id 00721157ae682-57026f4bccaso7717757b3.2 for ; Fri, 16 Jun 2023 05:53:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1686919983; x=1689511983; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=CC4+pWhIZunTVuA2ymJql5DGmR0KK8KjL/YmD5fofdc=; b=B/4ka6ITmEzsxEMx0GQ36klxPa8Yjb8CE6pScPqKHNm86oYRv6skCJmKi6R+LJtVSn pTCokeNSdBgjNoOCerTGRxbVGXxwT18On2/GXpTeAVpmxOuRNjzJ5cc+wTdcZh/xERUP rOh9FyvZ/sOJTtcpSsYF0kli9RzeIAVoEMuJwPIibPFOj784G2d8WoEX+UZhnAj5GYnY GQdxCG1JO/HhFrHWfT8Rfoogcd71cIAWPVQ0szkiQLLlFURVodk7CQ89dJUHQbmT2Cp5 khYxpjIOm6gZK9PD9i73ZSCekZZaX7yRv+6i//c7F5ydsM4+cVVyToy29h7beuoTcVPK Iuwg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686919983; x=1689511983; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=CC4+pWhIZunTVuA2ymJql5DGmR0KK8KjL/YmD5fofdc=; b=VNvnvo5e3rR8xUYTPpVAwmT8ipzieZRGdhyITZ9YI3KLBCnuczclClpQTW8PK6tf2m 0jluO91ecD1/U8VPA8e/NFpMYjPlPEtzUJekYrUuwSxaCdPZuM/7ykf0plecqlmKtuzt AOLABcGsFUr8fIpf96D30JkNBZ4nBjhasehgIDE3zgiOpOCPokukIu5i5Z214Ewh7Wde 7D+Mwi5Fl2HFfPSxHZGlhMNuUVv8Hex8HK4sb6WG+g1n0cBcUK+0ZFbFLkaguCffM7X7 +ojG+qxErl3goBCtqx/wHb7672WVXzYATBtlF+gVsUMVBvG6t96iEwMjz4Jd/KQqb4SZ la4Q== X-Gm-Message-State: AC+VfDyJGSholE/rHqiLAUVNwbMXe3daAThMQoJv+Mq4QFHtCr9WKkDZ QqtwrOTb3r0iT84pOsbBu5VT580+EJ9f0IzcrRrA3w== X-Google-Smtp-Source: ACHHUZ5tzgmAO6NTdW16MM2p4xBolNh5C55obixHUitKfGfBPwj9jOy2ZwWteenp3/N1cvoaMpUp1DjEkRQSwMOnIRg= X-Received: by 2002:a25:40c3:0:b0:bcd:3379:11b2 with SMTP id n186-20020a2540c3000000b00bcd337911b2mr1615849yba.52.1686919983691; Fri, 16 Jun 2023 05:53:03 -0700 (PDT) MIME-Version: 1.0 References: <20230607151127.1542024-1-pavacic.p@gmail.com> <20230607151127.1542024-4-pavacic.p@gmail.com> In-Reply-To: From: Linus Walleij Date: Fri, 16 Jun 2023 14:52:52 +0200 Message-ID: Subject: Re: [PATCH v4 3/3] drm/panel-fannal-c3004: Add fannal c3004 DSI panel To: Paulo Pavacic Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable 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: neil.armstrong@linaro.org, conor+dt@kernel.org, devicetree@vger.kernel.org, sam@ravnborg.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Fri, Jun 16, 2023 at 2:31=E2=80=AFPM Paulo Pavacic = wrote: > pet, 16. lip 2023. u 13:44 Linus Walleij napis= ao je: > > > > On Fri, Jun 16, 2023 at 11:57=E2=80=AFAM Paulo Pavacic wrote: > > > =C4=8Det, 15. lip 2023. u 21:55 Linus Walleij napisao je: > > > > > > > > I doubt that the display controller is actually by Fannal, but I gu= ess > > > > you tried to find out? We usually try to identify the underlying di= splay > > > > controller so the driver can be named after it and reused for more > > > > display panels. > > > > > > Yes, of course, the controller is ST7701S. > > > > Hm did you try to just refactor > > drivers/gpu/drm/panel/panel-sitronix-st7701.c > > to support your new panel? > > Yes I have tried, but there are too many changes needed and I wasn't > sure whether I would be breaking compatibility with st7701 based > panels. For the community it creates a problem that now two drivers for similar hardware need to be maintained, and that burden will land on the DRM maintainers. For this reason it would be better if a joint driver could be created. I am sure the users of the old driver will be willing to test patches to make sure their devices keep working. Yours, Linus Walleij