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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 2B742C433F5 for ; Sun, 5 Dec 2021 13:35:59 +0000 (UTC) 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:Cc:To:Subject:Message-ID:Date:From: In-Reply-To:References:MIME-Version:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=eXf1Sv0LJrbTQNHqqccTq9uxjEXO2aF5XO1aAVD8+dA=; b=M3Qasgn4d08TYu 8ttyXOMxm8tzk2kCtE1LT1t4PnyFmcdmeGM3dfZxYCTeEk/fy+W/m2wxmuF+FMY/ZqNNmFqyVsbhg J+d2n6NGIicp2aPjPpFpAO3fs56YSdrYDfvjVo2ZwWb3Z/Cy+cbA19D8a4jiIUUOaFoyAO4GTSJOX lt2gRhn97MlgO/sgf9eMRJE/OLqwDTPuqfLr3yVyHLgj+aFnyWH7t3WAtqOww9AnNn0+Z8WJyOcvb y59wc/CIihRC2D/zY8IrmWNEPsNxQbE2ZOrOWGJEgLZzSGFHKBi39A7kgbf8P8JqopCI0vaM8x5wd PC9GNa+ag5wixw4Ge9SQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mtrf0-001U9M-6K; Sun, 05 Dec 2021 13:34:34 +0000 Received: from mail-oi1-x22a.google.com ([2607:f8b0:4864:20::22a]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mtrev-001U8x-TW for linux-arm-kernel@lists.infradead.org; Sun, 05 Dec 2021 13:34:31 +0000 Received: by mail-oi1-x22a.google.com with SMTP id q25so16353596oiw.0 for ; Sun, 05 Dec 2021 05:34:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=dba45p7IFQxVo1vPtCiUXFLb3CpInduB/iaplQ8c3uo=; b=WWF+XA1PW9A/weFCUYey0M+NVqv3qo4KmSHR7X3OIsoKntb2alN6CnASlRxcR1wjrW 8MrCNjpkrDgesjicsAEcqw1GKizk6s6SXK0uSiGQc+Pmpb/0n/yB5HtEbigGNa0hJnjh q0gJ9kxi+JYbMWRiDfyV5pDZiyPvz40d8v8ogcIydmRrIis064FSgR4hwzMXzPvQukKH BKSgmSLoEngKHaFh4Ckhd7T4sCgkMK8NGINEPExqKFtr09FHrMy8n+92UYOcFn3ZAS8i R98QgjvMEzNOOHW/WRzcKNzqmvs9H504opIUDnwLJqhGQAUj52z83iVo9/yQOQeNoJwx xJaw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=dba45p7IFQxVo1vPtCiUXFLb3CpInduB/iaplQ8c3uo=; b=FXpfivH/JyV9mPe2CKWd+F2laXMQxay6gUVG9WU90ZxYPXnlak4kaVaATHlOZF5JwF 1SOfwZ0R2lcM3Y47W6Q1rBfv2aYkfmcGOruB0RJlZID+hqKqNJCmup5raf++86QfwDCR LXB77yYvbNG20kn01mAHcE1G+Nr7U0MbWxrng5qnAwm7wpu5n6RcqswlaHmZ1zRRmN5j G3KRkWJFZBTK4YJ5pU2Z9nu/ia0S8ILnd/Z56aqBp5/E2WktHsJ32IBDnG8ZWL5yJLLZ qCTTawYnl/eoqku47KNAkdUchlYHeYSm8yGVJo0YcE/huhxsaP61zpH5T8+cCb7Xie6G 6S2A== X-Gm-Message-State: AOAM532S5wn+qwwUFzb7d8ZdA3UFrSxVYnsHLWdgzq8hEhgQL8ao6HrZ VSW9sOcSSW7WIv0U6M1yTB7KQsuz87XT1xyn48qM0A== X-Google-Smtp-Source: ABdhPJw9hEkYX3cFBYgzwRUX6ZP3BdzP6NM0jzNKsvFb9axBVn+Sz3vDkPsJIXB72KPvBe+IvI+TiFtz1WU/GBhW8ZE= X-Received: by 2002:a54:4791:: with SMTP id o17mr19757864oic.114.1638711268277; Sun, 05 Dec 2021 05:34:28 -0800 (PST) MIME-Version: 1.0 References: <20200928200856.1897023-1-pcc@google.com> <0dc9f36b-417d-bfad-9eb7-858c3041ff0c@baylibre.com> <20200929093201.GL438822@phenom.ffwll.local> In-Reply-To: From: Linus Walleij Date: Sun, 5 Dec 2021 14:34:16 +0100 Message-ID: Subject: Re: [PATCH] Revert "video: fbdev: amba-clcd: Retire elder CLCD driver" To: Peter Collingbourne , John Stultz Cc: Daniel Vetter , Neil Armstrong , Eric Anholt , Kevin Brodsky , Russell King , ML dri-devel , Sean Paul , Linux ARM X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211205_053430_380992_4875CC06 X-CRM114-Status: GOOD ( 15.62 ) 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 Peter, [Paging John Stultz on this] On Tue, Sep 29, 2020 at 6:30 PM Peter Collingbourne wrote: > On Tue, Sep 29, 2020 at 2:32 AM Daniel Vetter wrote: > > On Tue, Sep 29, 2020 at 09:28:56AM +0200, Neil Armstrong wrote: > > > Can't Android FVP use drm-hwcomposer instead ? > > Not without kernel changes. See e.g. > https://www.spinics.net/lists/dri-devel/msg255883.html Has this gotten better in the last year+ so you can now use drm-hwcomposer? I.e. can we now delete the fbdev driver? > > Also, if we need to add more random fbdev ioctls to the drm fbdev > > emulation, then let's do that. Not keep fbdev drivers on life support for > > longer than necessary. I wanted to fix this and started to look at it at one point, however the required Android userspace build was a bit intimidating to get going. I would be able to look into this if a prebuilt Android for the emulation model was available. Yours, Linus Walleij _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel 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 1AA17C433F5 for ; Mon, 6 Dec 2021 10:28:04 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 322867A2F6; Mon, 6 Dec 2021 10:21:00 +0000 (UTC) Received: from mail-oi1-x229.google.com (mail-oi1-x229.google.com [IPv6:2607:f8b0:4864:20::229]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4919C6E116 for ; Sun, 5 Dec 2021 13:34:29 +0000 (UTC) Received: by mail-oi1-x229.google.com with SMTP id s139so16154029oie.13 for ; Sun, 05 Dec 2021 05:34:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=dba45p7IFQxVo1vPtCiUXFLb3CpInduB/iaplQ8c3uo=; b=WWF+XA1PW9A/weFCUYey0M+NVqv3qo4KmSHR7X3OIsoKntb2alN6CnASlRxcR1wjrW 8MrCNjpkrDgesjicsAEcqw1GKizk6s6SXK0uSiGQc+Pmpb/0n/yB5HtEbigGNa0hJnjh q0gJ9kxi+JYbMWRiDfyV5pDZiyPvz40d8v8ogcIydmRrIis064FSgR4hwzMXzPvQukKH BKSgmSLoEngKHaFh4Ckhd7T4sCgkMK8NGINEPExqKFtr09FHrMy8n+92UYOcFn3ZAS8i R98QgjvMEzNOOHW/WRzcKNzqmvs9H504opIUDnwLJqhGQAUj52z83iVo9/yQOQeNoJwx xJaw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=dba45p7IFQxVo1vPtCiUXFLb3CpInduB/iaplQ8c3uo=; b=lpO9z/oVjCgALTZ0qGV/CukABvplKgYUjG1m5adctwSGdqsB7ylRO+DL41ssAtJIpw eAFmo0rwoR1CwB2J880WVc4xKdMt76oChS4aWunzXZ82J+9+1t10AVSccGP+e+fb0RBo GBHd+l0UPCOoK8d0l8cuJW71ub9gw9/FSqCdug3s5vyKKmy+GVIb9OcAD+n4RRWklky/ hMmS+G7G6NPu1eKTEYWGw+tW9kKUwNQEijgDS/SZCqNpfVjeX9gtNko9M/jydAhBdjlB wyFqWwQnjE42RWe19WEXsotJ9oJWYbrCIQrJ9VdZz8XX9E3YopYOJIy1OC9RP3xjGv9L G4Yg== X-Gm-Message-State: AOAM531kschERtHkCIeozdIAL6Do0ZxaaTsIegBUxNUSkp6AZI8KBbTK tTJWuaNtIjYWcnFYFS6SMsf+Oy0bo+4X4pRaViND4A== X-Google-Smtp-Source: ABdhPJw9hEkYX3cFBYgzwRUX6ZP3BdzP6NM0jzNKsvFb9axBVn+Sz3vDkPsJIXB72KPvBe+IvI+TiFtz1WU/GBhW8ZE= X-Received: by 2002:a54:4791:: with SMTP id o17mr19757864oic.114.1638711268277; Sun, 05 Dec 2021 05:34:28 -0800 (PST) MIME-Version: 1.0 References: <20200928200856.1897023-1-pcc@google.com> <0dc9f36b-417d-bfad-9eb7-858c3041ff0c@baylibre.com> <20200929093201.GL438822@phenom.ffwll.local> In-Reply-To: From: Linus Walleij Date: Sun, 5 Dec 2021 14:34:16 +0100 Message-ID: Subject: Re: [PATCH] Revert "video: fbdev: amba-clcd: Retire elder CLCD driver" To: Peter Collingbourne , John Stultz Content-Type: text/plain; charset="UTF-8" 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: Eric Anholt , Neil Armstrong , Kevin Brodsky , Russell King , ML dri-devel , Sean Paul , Linux ARM Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Hi Peter, [Paging John Stultz on this] On Tue, Sep 29, 2020 at 6:30 PM Peter Collingbourne wrote: > On Tue, Sep 29, 2020 at 2:32 AM Daniel Vetter wrote: > > On Tue, Sep 29, 2020 at 09:28:56AM +0200, Neil Armstrong wrote: > > > Can't Android FVP use drm-hwcomposer instead ? > > Not without kernel changes. See e.g. > https://www.spinics.net/lists/dri-devel/msg255883.html Has this gotten better in the last year+ so you can now use drm-hwcomposer? I.e. can we now delete the fbdev driver? > > Also, if we need to add more random fbdev ioctls to the drm fbdev > > emulation, then let's do that. Not keep fbdev drivers on life support for > > longer than necessary. I wanted to fix this and started to look at it at one point, however the required Android userspace build was a bit intimidating to get going. I would be able to look into this if a prebuilt Android for the emulation model was available. Yours, Linus Walleij