From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx.treblig.org (mx.treblig.org [46.235.229.95]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E456C5235 for ; Sun, 13 Aug 2023 13:58:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=treblig.org ; s=bytemarkmx; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID :Subject:Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding:Content-ID :Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To: Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe :List-Post:List-Owner:List-Archive; bh=32c6Mm00cywxiQeEBwm2QcUwjGNrZK2x4F4KY6NgXho=; b=E7FGsiYTH3wPJ7Tmf2adP5WNyD Cvv102lMqPh9YoKqH5L2ogeYt3RCS2/hUkkZmskEj/JhuCoRmRcYpUFYybYargIzOnUfDWxaKr7/6 BYnAc/XGL+tHscgWuishetwlPG+GvANno729NutZ85R/sTfZdPkcIW0gYb6oPtmjWi1MXvTcU3Bwj BTG1b3+mCaL4yvhQa3qasMCnEzFKCYDaR2jatUnmC5o7dABQ/yvuTOqFuqJG1cSLJ5+9DoJWrvW9F VtM/QAkcsu1UHGbFxCJY+K9U2GojcUcSxiuU5Kr2Q5VX+tW4s/oBZhhS9vTjAJS3o/M3w40N5OeY5 eeYHjumQ==; Received: from dg by mx.treblig.org with local (Exim 4.94.2) (envelope-from ) id 1qVAvC-006cZ6-8i; Sun, 13 Aug 2023 13:14:18 +0000 Date: Sun, 13 Aug 2023 13:14:18 +0000 From: "Dr. David Alan Gilbert" To: Hans Verkuil Cc: Christoph Hellwig , iommu@lists.linux.dev, mchehab@kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: Regression: v4l/bttv vbi vs iommu Message-ID: References: <20230203063500.GA23520@lst.de> <3a59ffba-a7fe-97b0-af76-7194f7b3896a@xs4all.nl> Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <3a59ffba-a7fe-97b0-af76-7194f7b3896a@xs4all.nl> X-Chocolate: 70 percent or better cocoa solids preferably X-Operating-System: Linux/5.10.0-23-amd64 (x86_64) X-Uptime: 13:14:01 up 37 days, 22:45, 1 user, load average: 0.00, 0.00, 0.00 User-Agent: Mutt/2.0.5 (2021-01-21) * Hans Verkuil (hverkuil@xs4all.nl) wrote: > On 03/02/2023 07:35, Christoph Hellwig wrote: > > On Wed, Feb 01, 2023 at 09:48:46PM +0100, Hans Verkuil wrote: > >> In fact, the plan is to replace the old and deprecated videobuf framework by the vb2 > >> framework in the bttv driver in the next 2-3 months or so. That will also automatically > >> solve this problem. > > > > It would be great to expedite removal of the old videbuf code given > > how many problems it has. > > We're working on it. A lot of old drivers in drivers/staging/media/deprecated will > be removed in 6.3, and that leaves the cx18, bttv and saa7146 drivers that still use > vb1. > > This week I posted patches converting cx18 to vb2 and someone else will work on the > bttv conversion. We thought we could remove saa7146 as well, but it turns out that > that is still very much in use (somewhat unexpectedly), so I plan to convert that > one this month (I hope). > > I aim for removing vb1 in kernel 6.4 or 6.5. Did this go in, I'm happy to give it a go if this is a world to test. Dave > Regards, > > Hans -- -----Open up your eyes, open up your mind, open up your code ------- / Dr. David Alan Gilbert | Running GNU/Linux | Happy \ \ dave @ treblig.org | | In Hex / \ _________________________|_____ http://www.treblig.org |_______/