From patchwork Tue Feb 27 10:12:00 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Linus Walleij X-Patchwork-Id: 10244675 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 7F39F60208 for ; Tue, 27 Feb 2018 10:12:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6C4342A650 for ; Tue, 27 Feb 2018 10:12:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 602382A657; Tue, 27 Feb 2018 10:12:12 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.1 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id E328D2A650 for ; Tue, 27 Feb 2018 10:12:11 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DF55088668; Tue, 27 Feb 2018 10:12:10 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-lf0-x243.google.com (mail-lf0-x243.google.com [IPv6:2a00:1450:4010:c07::243]) by gabe.freedesktop.org (Postfix) with ESMTPS id DA18188668 for ; Tue, 27 Feb 2018 10:12:09 +0000 (UTC) Received: by mail-lf0-x243.google.com with SMTP id m69so26666125lfe.8 for ; Tue, 27 Feb 2018 02:12:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id; bh=9Y0EaAtzn4xUi4to3zLGNXyMuNe87QcO8Y7NQpw8Pfg=; b=EPb+N09ih5y99J+KlBLBLN60ifr9MG9OnamfKa7gvyWMe7WsKqLHqizrlDr74htCOT oAykFknusiU37F/0D7DdT54s3s/urYQPTT5Dytow5jdeQkCpAJRo4iXKv3ZIY/wPoGhq zhuVNcKRFQD6qlBS8hzL+r1P25Nj7qQgyTEVQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=9Y0EaAtzn4xUi4to3zLGNXyMuNe87QcO8Y7NQpw8Pfg=; b=exAA40rCUScuT/U9PlroZwiNMtOP91B6i0KWRTY0EU3jo++Qs93p0cLTSSs8RJw5t1 t18wh1h6aohGnBf1tNyl9fdpz5Vh/3WFeAtH5PXZybDq7X1bXAOb12qolxnEqRzhWhVn q0DlcdFnC4OmYAwgvmzBJkyHHKmm67+zi+r84QKTvi4Fmw+9ZrWKx0V5tSLpx3Amnot3 S+aAw+lrVhsbaH8s91CPF+ljUvn66dkD3NBG+My2+W96FIqDO1danKKT8KBB2bl1tvI+ mMHnq8Chco4NUINntUdut6PDx8XiXYkW5YqAaEx0t+g3yOR8YrUonByHX4GxknSASwUw r6Gg== X-Gm-Message-State: APf1xPDFGnop52iy2L01rOc9KBmkT6PSrRQIyVuKJmoSM2awyCFd7D5m 3Z7EC+Q42TckcjqMjQFQ6Rlepw== X-Google-Smtp-Source: AG47ELsU2j/MeSiN2Ilyi9pKRyA5VaxNrqfVrtI+n+/m0lkMP0+Mp5Gb1r9VBX+ngDheTUmP6qetJQ== X-Received: by 10.46.8.89 with SMTP id g25mr10335784ljd.48.1519726328146; Tue, 27 Feb 2018 02:12:08 -0800 (PST) Received: from genomnajs.ideon.se ([85.235.10.227]) by smtp.gmail.com with ESMTPSA id y128sm2459544lfc.64.2018.02.27.02.12.07 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 27 Feb 2018 02:12:07 -0800 (PST) From: Linus Walleij To: Archit Taneja , Andrzej Hajda , Laurent Pinchart Subject: [PATCH] bridge: Elaborate a bit on dumb VGA bridges in Kconfig Date: Tue, 27 Feb 2018 11:12:00 +0100 Message-Id: <20180227101200.6173-1-linus.walleij@linaro.org> X-Mailer: git-send-email 2.14.3 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP It's better if we explain a bit that this pertains to passive VGA DAC bridges. Signed-off-by: Linus Walleij --- drivers/gpu/drm/bridge/Kconfig | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index 3b99d5a06c16..7cee8f291e7f 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -30,7 +30,8 @@ config DRM_DUMB_VGA_DAC depends on OF select DRM_KMS_HELPER help - Support for RGB to VGA DAC based bridges + Support for passive RGB to VGA DAC based bridges such + as ADI ADV7123 or TI THS8134 and THS8135. config DRM_LVDS_ENCODER tristate "Transparent parallel to LVDS encoder support"