From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2D851249FD for ; Thu, 16 Nov 2023 10:54:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=suse.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=suse.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b="V/RNr1QO"; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b="AbFHRE+g" Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 35BF522937; Thu, 16 Nov 2023 10:54:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1700132051; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=UM81hjiA/5PsIR9F0SaCot2R2mHkt+tK3uVE8YjyK4c=; b=V/RNr1QO/+SUIOycRPtcR5edmZ50pAafqg3DTWXfMAA4sI7BqrW9BQ/p3uKURRFOcL96Ew oZPUgaMOU5BXPi9ejVN00mAy7SmuoXm4u3CiWo+ATjAd9Sfi5rR9TUbtAUeLQt2K9/k1RO miYp2d/ogAVZVGS3kVgWnJgE3KnJcy0= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1700132051; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=UM81hjiA/5PsIR9F0SaCot2R2mHkt+tK3uVE8YjyK4c=; b=AbFHRE+g9SgKaqkkFR5dnwG8jLhBnQ5a4qfCXQkNBo+MrxyJvGFvB7GVNW5rYzhN7PuvY8 elKIOyh6e0cnHbAA== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 1A94F139C4; Thu, 16 Nov 2023 10:54:11 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id UopNBtP0VWUaNwAAMHmgww (envelope-from ); Thu, 16 Nov 2023 10:54:11 +0000 Precedence: bulk X-Mailing-List: linux-staging@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Date: Thu, 16 Nov 2023 12:54:10 +0200 From: "Ivan T. Ivanov" To: Laurent Pinchart Cc: Stefan Wahren , Umang Jain , Peter Robinson , linux-media@vger.kernel.org, kernel-list@raspberrypi.com, linux-kernel@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-staging@lists.linux.dev, Dave Stevenson , Kieran Bingham , "Ricardo B . Marliere" , Dan Carpenter , Guillaume GARDET Subject: Re: [PATCH v2 00/15] staging: vc04_services: bcm2835-isp support In-Reply-To: <20231116005030.GA21041@pendragon.ideasonboard.com> References: <20231109210309.638594-1-umang.jain@ideasonboard.com> <20231115195947.GD29486@pendragon.ideasonboard.com> <58fe01b9-5fb6-451c-a759-c6a5afd695e3@gmx.net> <20231116005030.GA21041@pendragon.ideasonboard.com> User-Agent: Roundcube Webmail Message-ID: <45c0e7bbb2ed91ec559cdbf2d19ad80e@suse.de> X-Sender: iivanov@suse.de Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Authentication-Results: smtp-out1.suse.de; none X-Spam-Level: X-Spam-Score: -5.30 X-Spamd-Result: default: False [-5.30 / 50.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; XM_UA_NO_VERSION(0.01)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com,gmx.net]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; REPLY(-4.00)[]; MID_RHS_MATCH_FROM(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; BAYES_HAM(-0.01)[50.46%]; RCPT_COUNT_TWELVE(0.00)[15]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_CC(0.00)[gmx.net,ideasonboard.com,gmail.com,vger.kernel.org,raspberrypi.com,lists.infradead.org,lists.linux.dev,marliere.net,opensuse.org]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[] X-Spam-Flag: NO Hi, On 2023-11-16 02:50, Laurent Pinchart wrote: > On Wed, Nov 15, 2023 at 09:57:52PM +0100, Stefan Wahren wrote: >> Hi Laurent, >> >> [add Ivan & Peter] >> >> Am 15.11.23 um 20:59 schrieb Laurent Pinchart: >> > Hello, >> > >> > On Thu, Nov 09, 2023 at 04:02:52PM -0500, Umang Jain wrote: >> >> This series aims to upport bcm2835-isp from the RPi kernel. >> >> It is developed on top of staging-next which comprises many >> >> VC04 changes for it's de-staging. Hence, the merge of this >> >> driver is targeted when VC04 is de-staged completely (which I >> >> have been pushing), but it can be helped getting reviewed meanwhile. >> >> Hence, the reason for posting the series. >> > >> > Related question, what do people think about dropping the legacy >> > firmware-based bcm2385-camera driver once this gets merged ? >> > firmware-based camera operation is deprecated by Raspberry Pi, and >> > doesn't work on the Pi 5 >> >> i don't remember exactly, but wasn't the bcm2835-camera required for >> Pi >> Camera V1.3? > > If I'm not mistaken (Dave can correct me), the legacy camera stack > works > only with the Raspberry Pi official camera v1, v2 and HQ modules. > Raspberry Pi has switched to a new camera stack based on libcamera, > which works on the Pi Zero 2, Pi 3, Pi 4 and Pi 5. This new stack > supports the same camera modules as the legacy stack, and many more. > The > legacy stack doesn't work on Pi 5 at all. > >> At the end cannot speak for the users. AFAIK OpenSuSE and Fedora use >> the >> driver. Guillaume (in CC) is more authoritative about this topic, but as long we have smooth migration plan I am more than happy to switch to proper camera driver. Regards, Ivan