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 X-Spam-Level: X-Spam-Status: No, score=-18.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5B1F8C48BE0 for ; Fri, 11 Jun 2021 17:18:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4592C613D0 for ; Fri, 11 Jun 2021 17:18:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231489AbhFKRUe (ORCPT ); Fri, 11 Jun 2021 13:20:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35636 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231312AbhFKRU3 (ORCPT ); Fri, 11 Jun 2021 13:20:29 -0400 Received: from mail-pf1-x432.google.com (mail-pf1-x432.google.com [IPv6:2607:f8b0:4864:20::432]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4A707C0617AF for ; Fri, 11 Jun 2021 10:18:18 -0700 (PDT) Received: by mail-pf1-x432.google.com with SMTP id d16so4954460pfn.12 for ; Fri, 11 Jun 2021 10:18:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=7mAnmaPaVMV+mWzPwVY4n8i3eQDdwgnqGWGWeaIDwP0=; b=W5bPJdBrjvqCku2In6aVn0zD2GstngrY076zfO20+umnrSQXllmwxSed6loqJUtexM 6Zy2bQfRUoc73GR7TWu61oVev8v8taXJN7UTjcTuRIqZ+Skytr/mRlQkPcxmC3QG5JXw 42ZQbaBRNFRuszP1mM4K7htDee3Cih4fvvmKc= 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=7mAnmaPaVMV+mWzPwVY4n8i3eQDdwgnqGWGWeaIDwP0=; b=aTQVDoWrGEXT3jWkT++yx5eouqgNIjui6RwHRz3PUM3Dz8YxVht8QBgic0px7xuHZ7 o/l0Nu08FDrePlnFA1MxXy8x2lzPyHsnBzLkuCh6oSM4o2BLIrt7+iOe/pFB+xKTTOMC xJltvpl7jt3nrgfF0y4i3vynmioNDJnWM2SS0xrQH5s2GcGLy+LDAuVE5RIXaRt/6hOk 7bZkSzK6l2TaaVfeJggeLBMThsKgeAikr+sVpx1MsDb5Mydkai49ejB4UiBLA9YWWfEv JUwc9bguj1pBWot3urGL7cAwdvYy/gObCAIy8efZ8YvB+cyZFJ1BaD78HOYh4V29rPX5 7gaw== X-Gm-Message-State: AOAM530iA9GMmYmnyjPFS2YM5QVkN8CVyWJmhTAjpa0nD87k0uy8bOlG mkKxYmfJ2+ttn/19ni1RqKcGDQ== X-Google-Smtp-Source: ABdhPJwQGgKbRuSHdwthATamDLygBvxHvvM35RXviRa9wxyNi13pMhJ5Mc1QRdPc+KuGSpBbHdxMaw== X-Received: by 2002:a63:9552:: with SMTP id t18mr4707431pgn.206.1623431897904; Fri, 11 Jun 2021 10:18:17 -0700 (PDT) Received: from tictac2.mtv.corp.google.com ([2620:15c:202:201:4128:5428:5cd0:cfa5]) by smtp.gmail.com with ESMTPSA id f17sm5837850pgm.37.2021.06.11.10.18.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Jun 2021 10:18:17 -0700 (PDT) From: Douglas Anderson To: Andrzej Hajda , Neil Armstrong , Laurent Pinchart , Jonas Karlman , Sam Ravnborg Cc: Maarten Lankhorst , linux-arm-msm@vger.kernel.org, Bjorn Andersson , Thierry Reding , Stanislav Lisovskiy , Lyude Paul , Stephen Boyd , Steev Klimaszewski , Linus W , robdclark@chromium.org, dri-devel@lists.freedesktop.org, Douglas Anderson , Daniel Vetter , David Airlie , Jernej Skrabec , Robert Foss , linux-kernel@vger.kernel.org Subject: [PATCH v10 08/11] drm/bridge: ti-sn65dsi86: Add support for the DP AUX bus Date: Fri, 11 Jun 2021 10:17:44 -0700 Message-Id: <20210611101711.v10.8.Ib5fe0638da85800141ce141bb8e441c5f25438d4@changeid> X-Mailer: git-send-email 2.32.0.272.g935e593368-goog In-Reply-To: <20210611171747.1263039-1-dianders@chromium.org> References: <20210611171747.1263039-1-dianders@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org We want to provide our panel with access to the DP AUX channel. The way to do this is to let our panel be a child of ours using the fancy new DP AUX bus support. Signed-off-by: Douglas Anderson Acked-by: Linus Walleij Reviewed-by: Lyude Paul --- (no changes since v9) Changes in v9: - Rebased atop v9 ("Promote the AUX channel") patch. Changes in v7: - Patch to support for DP AUX bus on ti-sn65dsi86 new for v7. drivers/gpu/drm/bridge/Kconfig | 1 + drivers/gpu/drm/bridge/ti-sn65dsi86.c | 6 ++++++ 2 files changed, 7 insertions(+) diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index 85b673613687..431b6e12a81f 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -303,6 +303,7 @@ config DRM_TI_SN65DSI86 select DRM_PANEL select DRM_MIPI_DSI select AUXILIARY_BUS + select DRM_DP_AUX_BUS help Texas Instruments SN65DSI86 DSI to eDP Bridge driver diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c index 8e61005cf4ad..32bd35c98d95 100644 --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c @@ -23,6 +23,7 @@ #include #include #include +#include #include #include #include @@ -1426,12 +1427,17 @@ static int ti_sn_aux_probe(struct auxiliary_device *adev, const struct auxiliary_device_id *id) { struct ti_sn65dsi86 *pdata = dev_get_drvdata(adev->dev.parent); + int ret; pdata->aux.name = "ti-sn65dsi86-aux"; pdata->aux.dev = &adev->dev; pdata->aux.transfer = ti_sn_aux_transfer; drm_dp_aux_init(&pdata->aux); + ret = devm_of_dp_aux_populate_ep_devices(&pdata->aux); + if (ret) + return ret; + /* * The eDP to MIPI bridge parts don't work until the AUX channel is * setup so we don't add it in the main driver probe, we add it now. -- 2.32.0.272.g935e593368-goog