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=-4.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 13E2CC07E99 for ; Mon, 12 Jul 2021 12:06:38 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 CA9EF61004 for ; Mon, 12 Jul 2021 12:06:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CA9EF61004 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=2B9TMa3R7HyMwWK2eDdixP9gBetBC4p7Qd7y+w7+Lmc=; b=2v3FDQnTuDrydz hUB5EVxkocL1/6OT7KqVNLNQp/fXkpgsbTHk7xevmlwR/7epWvGtsMQn2yLYCZyFoWsRrSdXrN3NU WgyZBW8qLI/gBnP55Ad8FD6HlpcG/aOrCAaeCzhGaJAE3jvQij9drUvZH7CEnzjbip0s2/SaDqIGc lbTETVHtHIe+yDo8Z9lMFg/spavNfJte63KQ0LPcrIY7bMyvLV5pPoSMBhMr/eVSEcpKTKzbw/biO N+nT3R5VCfcYUvQGCFz/fW349Bd8bLs1L3rXqLFPo+Ss6vrzkbe38EFTvud2MLfLmJLZGeRwL1gkP iNfhq7nP10M2/shu1Y4Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m2ugH-007GPX-2f; Mon, 12 Jul 2021 12:05:01 +0000 Received: from perceval.ideasonboard.com ([213.167.242.64]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1m2ugC-007GOm-M6 for linux-arm-kernel@lists.infradead.org; Mon, 12 Jul 2021 12:04:58 +0000 Received: from pendragon.ideasonboard.com (62-78-145-57.bb.dnainternet.fi [62.78.145.57]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 0EA4ECC; Mon, 12 Jul 2021 14:04:55 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1626091495; bh=TTgbQ20lD7T8X2zcMZwTTXP7nfzHFtWNqcGcOAAqUHE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=p6t6+1wi5cRu2axRskIW2V/ue8cWUVcAYYuZa8uQ0GY+XcVebnpvl6R3s9HBBQfcT 2fJqGzr1s/YaDcaxUbwYr6XbHpC6178KR/JwLtXSh4EkAkHkpF1+0Mu/5b/zdtxKNW 5KJgUl7hJ3v03B/6rw6VCfOF8zk+VZPhi7rL6cZ0= Date: Mon, 12 Jul 2021 15:04:08 +0300 From: Laurent Pinchart To: Geert Uytterhoeven Cc: Magnus Damm , Kieran Bingham , Linux-Renesas , Linux ARM Subject: Re: [PATCH] ARM: shmobile: defconfig: Restore graphical consoles Message-ID: References: <2a4474be1d2c00c6ca97c2714844ea416a9ea9a9.1626084948.git.geert+renesas@glider.be> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210712_050456_919986_76A7216B X-CRM114-Status: GOOD ( 25.32 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Geert, On Mon, Jul 12, 2021 at 01:49:26PM +0200, Geert Uytterhoeven wrote: > On Mon, Jul 12, 2021 at 1:44 PM Laurent Pinchart > wrote: > > On Mon, Jul 12, 2021 at 01:35:34PM +0200, Geert Uytterhoeven wrote: > > > On Mon, Jul 12, 2021 at 1:25 PM Laurent Pinchart wrote: > > > > On Mon, Jul 12, 2021 at 12:16:57PM +0200, Geert Uytterhoeven wrote: > > > > > As of commit f611b1e7624ccdbd ("drm: Avoid circular dependencies for > > > > > CONFIG_FB"), CONFIG_FB is no longer auto-enabled. While CONFIG_FB may > > > > > be considered unneeded for systems where graphics is provided by a DRM > > > > > driver, R-Mobile A1 still relies on a frame buffer device driver for > > > > > graphics support. > > > > > > > > > > Restore support for graphics on R-Mobile A1 and graphical consoles on > > > > > DRM-based systems by explicitly enabling CONFIG_FB in the defconfig for > > > > > Renesas ARM systems. > > > > > > > > Does anyone still care about the Armadillo board ? > > > > > > I do. It's my only Renesas board with graphical output ;-) > > > > I recommend a VGA or HDMI monitor :-) The sh-mobile-lcdcfb driver is > > unmaintained. If nostalgia is a big enough drive factor, you could try > > converting R-Mobile A1 to the shmob-drm driver :-) > > I'll do so as soon as drivers/gpu/drm/shmobile has gained DT support... The fbdev driver doesn't have DT support either. And patches are welcome for shmob-drm ;-) > > > > This being said, I think CONFIG_FB should be added , but for a different > > > > reason. There's no KMS console driver, so the only option we have today, > > > > even when a KMS driver is available, is to go through FBDEV emulation, > > > > which requires CONFIG_FB to be enabled. > > > > > > That's covered by "Restore [...] graphical consoles on DRM-based > > > systems", right? > > > > I had read the commit message as implying that a graphical console can > > be available without FB when a KMS driver is available. > > I was wondering if you still wanted a graphical console on top of a > DRM driver... Same answer for DRM and FBDEV, it's about whether you want a graphical console or not. The underlying API doesn't matter (I wish we had a kmscon). -- Regards, Laurent Pinchart _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel