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=-18.8 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, URIBL_BLOCKED,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 00A7EC43461 for ; Fri, 9 Apr 2021 04:53:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C435261181 for ; Fri, 9 Apr 2021 04:53:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230200AbhDIExc (ORCPT ); Fri, 9 Apr 2021 00:53:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42990 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229498AbhDIExb (ORCPT ); Fri, 9 Apr 2021 00:53:31 -0400 Received: from mail-pj1-x1036.google.com (mail-pj1-x1036.google.com [IPv6:2607:f8b0:4864:20::1036]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 50907C061760 for ; Thu, 8 Apr 2021 21:53:19 -0700 (PDT) Received: by mail-pj1-x1036.google.com with SMTP id ha17so2286205pjb.2 for ; Thu, 08 Apr 2021 21:53:19 -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:mime-version :content-transfer-encoding; bh=U8tMg25UODn9zLUOH4J81Emc3aCsG/EQSjte3RxVFwU=; b=VOyYiA7av5Bi6O4IQeERXt8QsT+l7zDqkusCiXRR6I6d6aEWWRveSCJzo+jMpzWMYX 995UQaizcAn0Gn1/TUm1Zbpoun/QWNaS3N/MUEX8ihV9QpVgJ4tWnFL/PkYWQMetjf9y H8qMY2CgRr0JwIhO6HKkNQFHQWMMulSZkXb4M= 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:mime-version :content-transfer-encoding; bh=U8tMg25UODn9zLUOH4J81Emc3aCsG/EQSjte3RxVFwU=; b=i85gpEH8UZWlvFhi7+A9lfR5S9NnOYcgWkxi2TJyAGSMRnZ3BNszIlpXEuSodOtSYf ejxs5yv2kdn/6dDr67ufU9NGMKj/VO+aLyeMciO1qHiKxj3uEPqa/o4Px/Npmx4oikvI f4D0HWqY/Fn/liGQxOUfb9iZyQQIxP4QBMAKyN0eeqxtKJofb8TCC2EHCEXMJ7E5gw7k 9/B4kL1F86UrAH50AeicTqaUXzm3yfhARYnuRbYRp9+wqQlafTtGd7Pg2AYnvfaHxpLp vQj5piRq+SJTPMRvK4Z/BhXD2eYXXxQdAceYqAD6WYALyfYI39YGiA6GhAk/lyxk3WxJ fE8w== X-Gm-Message-State: AOAM5303od5hBbAZP1z65Y1m20fks8cbK7NdXrk4tvKSTrz+IV84O+c8 +lC1YKj1h6UgMx1RCi2OZY0RcQ== X-Google-Smtp-Source: ABdhPJyiCXafNiJ32rllXnQwLlA8TSdl0M9YXElPFDmX+now4Elzlf3lVZHWQ6cxIai9C+eZPZH4fA== X-Received: by 2002:a17:902:6f10:b029:e9:7fdf:4902 with SMTP id w16-20020a1709026f10b02900e97fdf4902mr8114984plk.41.1617943998661; Thu, 08 Apr 2021 21:53:18 -0700 (PDT) Received: from hsinyi-z840.tpe.corp.google.com ([2401:fa00:1:10:f9f6:696:a955:72e9]) by smtp.gmail.com with ESMTPSA id p2sm900696pgm.24.2021.04.08.21.53.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Apr 2021 21:53:18 -0700 (PDT) From: Hsin-Yi Wang To: Chun-Kuang Hu , Matthias Brugger , Enric Balletbo i Serra Cc: Philipp Zabel , David Airlie , Daniel Vetter , dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rob Herring , devicetree@vger.kernel.org Subject: [PATCH 1/2] drm/mediatek: set panel orientation before drm_dev_register(). Date: Fri, 9 Apr 2021 12:53:13 +0800 Message-Id: <20210409045314.3420733-1-hsinyi@chromium.org> X-Mailer: git-send-email 2.31.1.295.g9ea45b61b8-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org drm_dev_register() sets connector->registration_state to DRM_CONNECTOR_REGISTERED and dev->registered to true. If drm_connector_set_panel_orientation() is first called after drm_dev_register(), it will fail several checks and results in following warning. So set panel orientation in dsi before drm_dev_register() is called. [ 4.480976] ------------[ cut here ]------------ [ 4.485603] WARNING: CPU: 5 PID: 369 at drivers/gpu/drm/drm_mode_object.c:45 __drm_mode_object_add+0xb4/0xbc [ 4.609772] Call trace: [ 4.612208] __drm_mode_object_add+0xb4/0xbc [ 4.616466] drm_mode_object_add+0x20/0x2c [ 4.620552] drm_property_create+0xdc/0x174 [ 4.624723] drm_property_create_enum+0x34/0x98 [ 4.629241] drm_connector_set_panel_orientation+0x64/0xa0 [ 4.634716] boe_panel_get_modes+0x88/0xd8 [ 4.638802] drm_panel_get_modes+0x2c/0x48 [ 4.642887] panel_bridge_get_modes+0x1c/0x28 [ 4.647233] drm_bridge_connector_get_modes+0xa0/0xd4 [ 4.652273] drm_helper_probe_single_connector_modes+0x218/0x700 [ 4.658266] drm_mode_getconnector+0x1b4/0x45c [ 4.662699] drm_ioctl_kernel+0xac/0x128 [ 4.666611] drm_ioctl+0x268/0x410 [ 4.670002] drm_compat_ioctl+0xdc/0xf0 [ 4.673829] __arm64_compat_sys_ioctl+0xc8/0x100 [ 4.678436] el0_svc_common+0xf4/0x1c0 [ 4.682174] do_el0_svc_compat+0x28/0x3c [ 4.686088] el0_svc_compat+0x10/0x1c [ 4.689738] el0_sync_compat_handler+0xa8/0xcc [ 4.694171] el0_sync_compat+0x178/0x180 [ 4.698082] ---[ end trace b4f2db9d9c88610b ]--- [ 4.702721] ------------[ cut here ]------------ [ 4.707329] WARNING: CPU: 5 PID: 369 at drivers/gpu/drm/drm_mode_object.c:243 drm_object_attach_property+0x48/0xb8 [ 4.833830] Call trace: [ 4.836266] drm_object_attach_property+0x48/0xb8 [ 4.840958] drm_connector_set_panel_orientation+0x84/0xa0 [ 4.846432] boe_panel_get_modes+0x88/0xd8 [ 4.850516] drm_panel_get_modes+0x2c/0x48 [ 4.854600] panel_bridge_get_modes+0x1c/0x28 [ 4.858946] drm_bridge_connector_get_modes+0xa0/0xd4 [ 4.863984] drm_helper_probe_single_connector_modes+0x218/0x700 [ 4.869978] drm_mode_getconnector+0x1b4/0x45c [ 4.874410] drm_ioctl_kernel+0xac/0x128 [ 4.878320] drm_ioctl+0x268/0x410 [ 4.881711] drm_compat_ioctl+0xdc/0xf0 [ 4.885536] __arm64_compat_sys_ioctl+0xc8/0x100 [ 4.890142] el0_svc_common+0xf4/0x1c0 [ 4.893879] do_el0_svc_compat+0x28/0x3c [ 4.897791] el0_svc_compat+0x10/0x1c [ 4.901441] el0_sync_compat_handler+0xa8/0xcc [ 4.905873] el0_sync_compat+0x178/0x180 [ 4.909783] ---[ end trace b4f2db9d9c88610c ]--- Signed-off-by: Hsin-Yi Wang --- drivers/gpu/drm/mediatek/mtk_dsi.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index ae403c67cbd9..45a702ee09f3 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -205,6 +205,7 @@ struct mtk_dsi { u32 irq_data; wait_queue_head_t irq_wait_queue; const struct mtk_dsi_driver_data *driver_data; + enum drm_panel_orientation orientation; }; static inline struct mtk_dsi *bridge_to_dsi(struct drm_bridge *b) @@ -966,6 +967,8 @@ static int mtk_dsi_encoder_init(struct drm_device *drm, struct mtk_dsi *dsi) } drm_connector_attach_encoder(dsi->connector, &dsi->encoder); + drm_connector_set_panel_orientation(dsi->connector, dsi->orientation); + return 0; err_cleanup_encoder: @@ -1029,6 +1032,12 @@ static int mtk_dsi_probe(struct platform_device *pdev) ret = PTR_ERR(dsi->next_bridge); goto err_unregister_host; } + + ret = of_drm_get_panel_orientation(panel->dev->of_node, &dsi->orientation); + if (ret) { + dev_err(dev, "failed to get panel orientation %d\n", ret); + return ret; + } } dsi->driver_data = of_device_get_match_data(dev); -- 2.31.1.295.g9ea45b61b8-goog