[{"id":1767821,"web_url":"http://patchwork.ozlabs.org/comment/1767821/","msgid":"<20170913120448.h2ojibc7o4zhib2y@flea.lan>","list_archive_url":null,"date":"2017-09-13T12:04:48","subject":"Re: [U-Boot] [PATCH v3 2/3] video: add an option for video simplefb\n\tvia DT","submitter":{"id":12916,"url":"http://patchwork.ozlabs.org/api/people/12916/","name":"Maxime Ripard","email":"maxime.ripard@free-electrons.com"},"content":"Hi,\n\nOn Wed, Sep 13, 2017 at 10:17:50AM +0800, Icenowy Zheng wrote:\n> Add an option to indicate that the video driver should setup a SimpleFB\n> node that passes the video framebuffer initialized by U-Boot to the\n> operating system kernel.\n> \n> Currently only the Allwinner DE2 driver uses this option.\n> \n> Signed-off-by: Icenowy Zheng \n> ---\n> drivers/video/Kconfig | 10 ++++++++++\n> 1 file changed, 10 insertions(+)\n> \n> diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig\n> index 082cc4a528..e4e71763f5 100644\n> --- a/drivers/video/Kconfig\n> +++ b/drivers/video/Kconfig\n> @@ -601,4 +601,14 @@ config VIDEO_DW_HDMI\n> \t rather requires a SoC-specific glue driver to call it), it\n> \t can not be enabled from the configuration menu.\n> \n> +config VIDEO_DT_SIMPLEFB\n> +\tbool \"Enable SimpleFB support for passing framebuffer to OS\"\n> +\tdepends on VIDEO_DE2\n> +\tdefault y\n\nSIMPLEFB is also used by other platforms, but most platforms also\nwon't use it.\n\nAdding an imply VIDEO_DT_SIMPLEFB to VIDEO_DE2 would make everyone\nhappy I guess.\n\nMaxime","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":"ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.denx.de\n\t(client-ip=81.169.180.215; helo=lists.denx.de;\n\tenvelope-from=u-boot-bounces@lists.denx.de;\n\treceiver=)","Received":["from lists.denx.de (dione.denx.de [81.169.180.215])\n\tby ozlabs.org (Postfix) with ESMTP id 3xsgMZ1tVpz9s9Y\n\tfor ;\n\tWed, 13 Sep 2017 22:04:58 +1000 (AEST)","by lists.denx.de (Postfix, from userid 105)\n\tid EE01CC220DF; Wed, 13 Sep 2017 12:04:52 +0000 (UTC)","from lists.denx.de (localhost [IPv6:::1])\n\tby lists.denx.de (Postfix) with ESMTP id 17610C21D8C;\n\tWed, 13 Sep 2017 12:04:50 +0000 (UTC)","by lists.denx.de (Postfix, from userid 105)\n\tid 02CCBC21D8C; Wed, 13 Sep 2017 12:04:48 +0000 (UTC)","from mail.free-electrons.com (mail.free-electrons.com [62.4.15.54])\n\tby lists.denx.de (Postfix) with ESMTP id 9E65AC21D19\n\tfor ; Wed, 13 Sep 2017 12:04:48 +0000 (UTC)","by mail.free-electrons.com (Postfix, from userid 110)\n\tid 694F020998; Wed, 13 Sep 2017 14:04:48 +0200 (CEST)","from localhost (LStLambert-657-1-97-87.w90-63.abo.wanadoo.fr\n\t[90.63.216.87])\n\tby mail.free-electrons.com (Postfix) with ESMTPSA id 3DA1620977;\n\tWed, 13 Sep 2017 14:04:48 +0200 (CEST)"],"X-Spam-Checker-Version":"SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de","X-Spam-Level":"","X-Spam-Status":"No, score=0.0 required=5.0 tests=none autolearn=unavailable\n\tautolearn_force=no version=3.4.0","Date":"Wed, 13 Sep 2017 14:04:48 +0200","From":"Maxime Ripard ","To":"Icenowy Zheng ","Message-ID":"<20170913120448.h2ojibc7o4zhib2y@flea.lan>","References":"<20170913021751.9289-1-icenowy@aosc.io>\n\t<20170913021751.9289-3-icenowy@aosc.io>","MIME-Version":"1.0","In-Reply-To":"<20170913021751.9289-3-icenowy@aosc.io>","User-Agent":"NeoMutt/20170714 (1.8.3)","Cc":"u-boot@lists.denx.de, linux-sunxi@googlegroups.com,\n\tJagan Teki ","Subject":"Re: [U-Boot] [PATCH v3 2/3] video: add an option for video simplefb\n\tvia DT","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.18","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Content-Type":"multipart/mixed;\n\tboundary=\"===============6136878113492533215==\"","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" "}},{"id":1767875,"web_url":"http://patchwork.ozlabs.org/comment/1767875/","msgid":"<556f2c03cce53de711f9f911b98b9515@aosc.io>","list_archive_url":null,"date":"2017-09-13T13:17:21","subject":"Re: [U-Boot] [linux-sunxi] Re: [PATCH v3 2/3] video: add an option\n\tfor video simplefb via DT","submitter":{"id":71295,"url":"http://patchwork.ozlabs.org/api/people/71295/","name":"Icenowy Zheng","email":"icenowy@aosc.io"},"content":"在 2017-09-13 20:04，Maxime Ripard 写道：\n> Hi,\n> \n> On Wed, Sep 13, 2017 at 10:17:50AM +0800, Icenowy Zheng wrote:\n>> Add an option to indicate that the video driver should setup a \n>> SimpleFB\n>> node that passes the video framebuffer initialized by U-Boot to the\n>> operating system kernel.\n>> \n>> Currently only the Allwinner DE2 driver uses this option.\n>> \n>> Signed-off-by: Icenowy Zheng \n>> ---\n>> drivers/video/Kconfig | 10 ++++++++++\n>> 1 file changed, 10 insertions(+)\n>> \n>> diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig\n>> index 082cc4a528..e4e71763f5 100644\n>> --- a/drivers/video/Kconfig\n>> +++ b/drivers/video/Kconfig\n>> @@ -601,4 +601,14 @@ config VIDEO_DW_HDMI\n>> \t rather requires a SoC-specific glue driver to call it), it\n>> \t can not be enabled from the configuration menu.\n>> \n>> +config VIDEO_DT_SIMPLEFB\n>> +\tbool \"Enable SimpleFB support for passing framebuffer to OS\"\n>> +\tdepends on VIDEO_DE2\n>> +\tdefault y\n> \n> SIMPLEFB is also used by other platforms, but most platforms also\n> won't use it.\n> \n> Adding an imply VIDEO_DT_SIMPLEFB to VIDEO_DE2 would make everyone\n> happy I guess.\n\nThen should I drop the \"depends on VIDEO_DE2\"?\n\n> \n> Maxime\n> \n> --\n> Maxime Ripard, Free Electrons\n> Embedded Linux and Kernel engineering\n> http://free-electrons.com","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":"ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.denx.de\n\t(client-ip=81.169.180.215; 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Wed, 13 Sep 2017 13:17:24 +0000","from localhost (localhost [127.0.0.1]) (Authenticated sender:\n\ticenowy@aosc.io)\n\tby hermes.aosc.io (Postfix) with ESMTPSA id 3E07046A4B;\n\tWed, 13 Sep 2017 13:17:21 +0000 (UTC)"],"X-Spam-Checker-Version":"SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de","X-Spam-Level":"","X-Spam-Status":"No, score=-0.0 required=5.0 tests=RCVD_IN_DNSWL_NONE,\n\tRCVD_IN_MSPIKE_H2 autolearn=unavailable autolearn_force=no\n\tversion=3.4.0","X-Sender-Id":["lmn-tzduiowcrqmw|x-authsender|icenowy@aosc.io","lmn-tzduiowcrqmw|x-authsender|icenowy@aosc.io"],"X-MC-Relay":"Neutral","X-MailChannels-SenderId":"lmn-tzduiowcrqmw|x-authsender|icenowy@aosc.io","X-MailChannels-Auth-Id":"lmn-TZDUIOWCRQMW","X-Illustrious-Attack":"698a827b488d58ca_1505308644465_1154313502","X-MC-Loop-Signature":"1505308644465:1063565825","X-MC-Ingress-Time":"1505308644464","MIME-Version":"1.0","Date":"Wed, 13 Sep 2017 21:17:21 +0800","From":"icenowy@aosc.io","To":"maxime.ripard@free-electrons.com","In-Reply-To":"<20170913120448.h2ojibc7o4zhib2y@flea.lan>","References":"<20170913021751.9289-1-icenowy@aosc.io>\n\t<20170913021751.9289-3-icenowy@aosc.io>\n\t<20170913120448.h2ojibc7o4zhib2y@flea.lan>","Message-ID":"<556f2c03cce53de711f9f911b98b9515@aosc.io>","X-Sender":"icenowy@aosc.io","Cc":"u-boot@lists.denx.de, linux-sunxi@googlegroups.com,\n\tJagan Teki ","Subject":"Re: [U-Boot] [linux-sunxi] Re: [PATCH v3 2/3] video: add an option\n\tfor video simplefb via DT","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.18","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Content-Transfer-Encoding":"base64","Content-Type":"text/plain; charset=\"utf-8\"; Format=\"flowed\"","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" "}},{"id":1767982,"web_url":"http://patchwork.ozlabs.org/comment/1767982/","msgid":"","list_archive_url":null,"date":"2017-09-13T15:50:20","subject":"Re: [U-Boot] [linux-sunxi] Re: [PATCH v3 2/3] video: add an option\n\tfor video simplefb via DT","submitter":{"id":71392,"url":"http://patchwork.ozlabs.org/api/people/71392/","name":"Vincent Legoll","email":"vincent.legoll@gmail.com"},"content":"> SIMPLEFB is also used by other platforms, but most platforms also\n> won't use it.\n>\n> Adding an imply VIDEO_DT_SIMPLEFB to VIDEO_DE2 would make everyone\n> happy I guess.\n\nYou meant adding a \"select VIDEO_DT_SIMPLEFB\" to VIDEO_DE2 ?","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.denx.de\n\t(client-ip=81.169.180.215; helo=lists.denx.de;\n\tenvelope-from=u-boot-bounces@lists.denx.de;\n\treceiver=)","ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tunprotected) header.d=gmail.com header.i=@gmail.com\n\theader.b=\"nMteFylh\"; 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charset=\"utf-8\"","Content-Transfer-Encoding":"base64","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" "}},{"id":1767984,"web_url":"http://patchwork.ozlabs.org/comment/1767984/","msgid":"","list_archive_url":null,"date":"2017-09-13T15:55:11","subject":"Re: [U-Boot] [linux-sunxi] Re: [PATCH v3 2/3] video: add an option\n\tfor video simplefb via DT","submitter":{"id":61837,"url":"http://patchwork.ozlabs.org/api/people/61837/","name":"Andre Przywara","email":"andre.przywara@arm.com"},"content":"Hi,\n\nOn 13/09/17 16:50, Vincent Legoll wrote:\n>> SIMPLEFB is also used by other platforms, but most platforms also\n>> won't use it.\n>>\n>> Adding an imply VIDEO_DT_SIMPLEFB to VIDEO_DE2 would make everyone\n>> happy I guess.\n> \n> You meant adding a \"select VIDEO_DT_SIMPLEFB\" to VIDEO_DE2 ?\n\nI think he explicitly meant \"imply\", which is a rather recent addition\nto Kconfig [1]:\n\n===============\n- weak reverse dependencies: \"imply\" [\"if\" ]\n This is similar to \"select\" as it enforces a lower limit on another\n symbol except that the \"implied\" symbol's value may still be set to n\n from a direct dependency or with a visible prompt.\n===============\n\n[1]\nhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/kbuild/kconfig-language.txt#n116\n\nCheers,\nAndre","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":"ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.denx.de\n\t(client-ip=81.169.180.215; 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Wed, 13 Sep 2017 08:55:05 -0700 (PDT)"],"X-Spam-Checker-Version":"SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de","X-Spam-Level":"","X-Spam-Status":"No, score=-5.0 required=5.0 tests=RCVD_IN_DNSWL_HI\n\tautolearn=unavailable autolearn_force=no version=3.4.0","To":"vincent.legoll@gmail.com,\n\tMaxime Ripard ","References":"<20170913021751.9289-1-icenowy@aosc.io>\n\t<20170913021751.9289-3-icenowy@aosc.io>\n\t<20170913120448.h2ojibc7o4zhib2y@flea.lan>\n\t","From":"Andre Przywara ","Message-ID":"","Date":"Wed, 13 Sep 2017 16:55:11 +0100","User-Agent":"Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101\n\tThunderbird/52.3.0","MIME-Version":"1.0","In-Reply-To":"","Content-Language":"en-GB","Cc":"u-boot@lists.denx.de, linux-sunxi@googlegroups.com,\n\tJagan Teki , Icenowy Zheng ","Subject":"Re: [U-Boot] [linux-sunxi] Re: [PATCH v3 2/3] video: add an option\n\tfor video simplefb via DT","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.18","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Content-Type":"text/plain; charset=\"utf-8\"","Content-Transfer-Encoding":"base64","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" "}},{"id":1768058,"web_url":"http://patchwork.ozlabs.org/comment/1768058/","msgid":"<20170913174224.nuduysp2bix4m65r@flea.lan>","list_archive_url":null,"date":"2017-09-13T17:42:24","subject":"Re: [U-Boot] [linux-sunxi] Re: [PATCH v3 2/3] video: add an option\n\tfor video simplefb via DT","submitter":{"id":12916,"url":"http://patchwork.ozlabs.org/api/people/12916/","name":"Maxime Ripard","email":"maxime.ripard@free-electrons.com"},"content":"On Wed, Sep 13, 2017 at 09:17:21PM +0800, icenowy@aosc.io wrote:\n> 在 2017-09-13 20:04，Maxime Ripard 写道：\n> > Hi,\n> > \n> > On Wed, Sep 13, 2017 at 10:17:50AM +0800, Icenowy Zheng wrote:\n> > > Add an option to indicate that the video driver should setup a\n> > > SimpleFB\n> > > node that passes the video framebuffer initialized by U-Boot to the\n> > > operating system kernel.\n> > > \n> > > Currently only the Allwinner DE2 driver uses this option.\n> > > \n> > > Signed-off-by: Icenowy Zheng \n> > > ---\n> > > drivers/video/Kconfig | 10 ++++++++++\n> > > 1 file changed, 10 insertions(+)\n> > > \n> > > diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig\n> > > index 082cc4a528..e4e71763f5 100644\n> > > --- a/drivers/video/Kconfig\n> > > +++ b/drivers/video/Kconfig\n> > > @@ -601,4 +601,14 @@ config VIDEO_DW_HDMI\n> > > \t rather requires a SoC-specific glue driver to call it), it\n> > > \t can not be enabled from the configuration menu.\n> > > \n> > > +config VIDEO_DT_SIMPLEFB\n> > > +\tbool \"Enable SimpleFB support for passing framebuffer to OS\"\n> > > +\tdepends on VIDEO_DE2\n> > > +\tdefault y\n> > \n> > SIMPLEFB is also used by other platforms, but most platforms also\n> > won't use it.\n> > \n> > Adding an imply VIDEO_DT_SIMPLEFB to VIDEO_DE2 would make everyone\n> > happy I guess.\n> \n> Then should I drop the \"depends on VIDEO_DE2\"?\n\nYes.\n\nMaxime","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":"ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.denx.de\n\t(client-ip=81.169.180.215; helo=lists.denx.de;\n\tenvelope-from=u-boot-bounces@lists.denx.de;\n\treceiver=)","Received":["from lists.denx.de (dione.denx.de [81.169.180.215])\n\tby ozlabs.org (Postfix) with ESMTP id 3xspsG22R3z9sNV\n\tfor ;\n\tThu, 14 Sep 2017 03:42:40 +1000 (AEST)","by lists.denx.de (Postfix, from userid 105)\n\tid C691DC2208F; Wed, 13 Sep 2017 17:42:32 +0000 (UTC)","from lists.denx.de (localhost [IPv6:::1])\n\tby lists.denx.de (Postfix) with ESMTP id A8C28C21DE9;\n\tWed, 13 Sep 2017 17:42:29 +0000 (UTC)","by lists.denx.de (Postfix, from userid 105)\n\tid BDC86C21DB2; Wed, 13 Sep 2017 17:42:28 +0000 (UTC)","from mail.free-electrons.com (mail.free-electrons.com [62.4.15.54])\n\tby lists.denx.de (Postfix) with ESMTP id 734EFC21C73\n\tfor ; Wed, 13 Sep 2017 17:42:28 +0000 (UTC)","by mail.free-electrons.com (Postfix, from userid 110)\n\tid 2556B209B1; Wed, 13 Sep 2017 19:42:28 +0200 (CEST)","from localhost (LFbn-TOU-1-209-191.w86-201.abo.wanadoo.fr\n\t[86.201.56.191])\n\tby mail.free-electrons.com (Postfix) with ESMTPSA id EE66F20998;\n\tWed, 13 Sep 2017 19:42:27 +0200 (CEST)"],"X-Spam-Checker-Version":"SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de","X-Spam-Level":"","X-Spam-Status":"No, score=0.0 required=5.0 tests=none autolearn=unavailable\n\tautolearn_force=no version=3.4.0","Date":"Wed, 13 Sep 2017 19:42:24 +0200","From":"Maxime Ripard ","To":"icenowy@aosc.io","Message-ID":"<20170913174224.nuduysp2bix4m65r@flea.lan>","References":"<20170913021751.9289-1-icenowy@aosc.io>\n\t<20170913021751.9289-3-icenowy@aosc.io>\n\t<20170913120448.h2ojibc7o4zhib2y@flea.lan>\n\t<556f2c03cce53de711f9f911b98b9515@aosc.io>","MIME-Version":"1.0","In-Reply-To":"<556f2c03cce53de711f9f911b98b9515@aosc.io>","User-Agent":"NeoMutt/20170714 (1.8.3)","Cc":"u-boot@lists.denx.de, linux-sunxi@googlegroups.com,\n\tJagan Teki ","Subject":"Re: [U-Boot] [linux-sunxi] Re: [PATCH v3 2/3] video: add an option\n\tfor video simplefb via DT","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.18","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Content-Type":"multipart/mixed;\n\tboundary=\"===============7282632162207312901==\"","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" "}}]