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=-19.0 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 1A65AC433ED for ; Mon, 26 Apr 2021 05:19:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EC44A61176 for ; Mon, 26 Apr 2021 05:19:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231805AbhDZFTi (ORCPT ); Mon, 26 Apr 2021 01:19:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37388 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229517AbhDZFTg (ORCPT ); Mon, 26 Apr 2021 01:19:36 -0400 Received: from mail-pf1-x431.google.com (mail-pf1-x431.google.com [IPv6:2607:f8b0:4864:20::431]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 875FEC061574 for ; Sun, 25 Apr 2021 22:18:54 -0700 (PDT) Received: by mail-pf1-x431.google.com with SMTP id c17so3533957pfn.6 for ; Sun, 25 Apr 2021 22:18:54 -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=rywd4hnCU7/9HbcJL7DvcHVAqfAUpeGMenv4sbpVbPg=; b=CMuN3mkwvDeBeo432fJqHbMLRzEVmCttlBmiosgZBn6YtxAtX3SdqsA/L1SMRjW9ur 9XWuMBU85KPQFbaIp9agcRrNzYz+6GDBENoGt+eLtSlOGlCVX7M/PgZ9Ubulq3afmzix hqgf+PNXSL2SsYA+i4P1wf/yD2MUmmz5/AgHM= 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=rywd4hnCU7/9HbcJL7DvcHVAqfAUpeGMenv4sbpVbPg=; b=Jmeq5XzJ20tASOyhPi3EOVGTkd/OKQCbBVwxPKY0NluezYoB58fjgJp27R8tQge9nr 2dY75pf6ipdAfrBkMNVCSEpxUVtnm0ssDVKaCdHbmKbcmSN0EJEC23CAQnU0UGFyOkb+ jgLvaH4D4doK5oq73c5rXTVpOtdizhGVGVxMAtSSx5zqPj/Jv109+8uuPKkfYaPWJQws ug1Zj+ouPeTAy0G7Fg124DaZQ3m9HZUhAVUvtnuUCHSbLAsg96AucBA7BOeD9clwpadx BajqjcoDrgV8e3J3Q+rSPOQSUyB47A0owzkwmsDPxaFbJ1mD6qPMMSd9a13uICdEnB32 C8nQ== X-Gm-Message-State: AOAM531ug4OClPlRygyGn3fLwPaIOy6zpXRMDUzVABKLPmuV4GYVHD00 WHoYMKo0CzSKKcIvFW3dezu/Ng== X-Google-Smtp-Source: ABdhPJxFS+sK39f/LfL1MlXA47wSW7gVZjlZJquRa9ML43FqezaUaeqZhJtTKM3L+YRD6QTNPxsgbg== X-Received: by 2002:aa7:860f:0:b029:265:4428:3104 with SMTP id p15-20020aa7860f0000b029026544283104mr15822916pfn.75.1619414333766; Sun, 25 Apr 2021 22:18:53 -0700 (PDT) Received: from hsinyi-z840.tpe.corp.google.com ([2401:fa00:1:10:49dc:8519:4648:67e]) by smtp.gmail.com with ESMTPSA id h9sm9928420pgl.67.2021.04.25.22.18.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 25 Apr 2021 22:18:53 -0700 (PDT) From: Hsin-Yi Wang To: dri-devel@lists.freedesktop.org Cc: Chun-Kuang Hu , Sean Paul , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , linux-kernel@vger.kernel.org, Rob Herring , Matthias Brugger , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH v2 1/2] gpu: drm: init set panel orientation property earlier Date: Mon, 26 Apr 2021 13:18:47 +0800 Message-Id: <20210426051848.2600890-1-hsinyi@chromium.org> X-Mailer: git-send-email 2.31.1.498.g6c1eba8ee3d-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. Create panel orientation property in drm_connector_init() and set default value to UNKNOWN. Let the panel set the real value later. [ 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 --- v1: https://patchwork.kernel.org/project/linux-mediatek/patch/20210409045314.3420733-1-hsinyi@chromium.org/ --- drivers/gpu/drm/drm_connector.c | 28 +++++++++++++++------------- 1 file changed, 15 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index 7631f76e7f34..a1acb4af0ef4 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -303,6 +303,10 @@ int drm_connector_init(struct drm_device *dev, config->tile_property, 0); + drm_object_attach_property(&connector->base, + config->panel_orientation_property, + DRM_MODE_PANEL_ORIENTATION_UNKNOWN); + if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { drm_object_attach_property(&connector->base, config->prop_crtc_id, 0); } @@ -1210,7 +1214,7 @@ static const struct drm_prop_enum_list dp_colorspaces[] = { * INPUT_PROP_DIRECT) will still map 1:1 to the actual LCD panel * coordinates, so if userspace rotates the picture to adjust for * the orientation it must also apply the same transformation to the - * touchscreen input coordinates. This property is initialized by calling + * touchscreen input coordinates. This property value is set by calling * drm_connector_set_panel_orientation() or * drm_connector_set_panel_orientation_with_quirk() * @@ -1298,6 +1302,14 @@ int drm_connector_create_standard_properties(struct drm_device *dev) return -ENOMEM; dev->mode_config.hdr_output_metadata_property = prop; + prop = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, + "panel orientation", + drm_panel_orientation_enum_list, + ARRAY_SIZE(drm_panel_orientation_enum_list)); + if (!prop) + return -ENOMEM; + dev->mode_config.panel_orientation_property = prop; + return 0; } @@ -2205,19 +2217,9 @@ int drm_connector_set_panel_orientation( info->panel_orientation = panel_orientation; prop = dev->mode_config.panel_orientation_property; - if (!prop) { - prop = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, - "panel orientation", - drm_panel_orientation_enum_list, - ARRAY_SIZE(drm_panel_orientation_enum_list)); - if (!prop) - return -ENOMEM; - - dev->mode_config.panel_orientation_property = prop; - } - drm_object_attach_property(&connector->base, prop, - info->panel_orientation); + drm_object_property_set_value(&connector->base, prop, + info->panel_orientation); return 0; } EXPORT_SYMBOL(drm_connector_set_panel_orientation); -- 2.31.1.498.g6c1eba8ee3d-goog 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=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 0953CC433B4 for ; Mon, 26 Apr 2021 05:19:25 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 780906008E for ; Mon, 26 Apr 2021 05:19:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 780906008E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=+T/UAQtBlxp4fey187KePHLnpVCZr45GOKAm55dOYwU=; b=nptanZagFXX+lcE8YFboQktSOZ upuNeu7Jf8gVaTD7nHDGJt4agKdvFKo/wySjuO7lSUjui9dMvrtujsccYT5eDmiO5gVsJAvX3A8CF waC8upUD3lrrrrTM5hFQ3BeqfKr7xZZ4rOrUf3XAO/HBzz7XN0AK96LWxy8lGASzEGI4RPuzThB6S T0oLBHaCztWsr0FAE6r3dTUEVCjy2GIvUC8kIGKwU/AAHo47Prd9uvj5c3umjzTRhvl9u4kMlcB0e BdmyGs9KQHwZ0ON39XuVKpSY7sMdLweaQrqQdSgfHIUha1cFKCYu9ksJyR3g9AvP2ILgRdno4wJ4O FH0qL8yw==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lateJ-006vh1-3C; Mon, 26 Apr 2021 05:19:11 +0000 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1late6-006vfH-RX for linux-mediatek@desiato.infradead.org; Mon, 26 Apr 2021 05:18:59 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:In-Reply-To:References; bh=rywd4hnCU7/9HbcJL7DvcHVAqfAUpeGMenv4sbpVbPg=; b=aEiq58ZQBDLUcdt/QzmpjwOAJ5 XFP/wSi7W7yGgkrfaDcdbu1J3OuYAmSMapLfNCr8lL23ICcMlYCCG4XKj0FkX6lj5DVxio+htN47r bFv1EbbffaiO29bUZDx6zUDJbm+ORwemebsA0BS9oy6yo4PpZKSA58Q7W22Xx6LQc+1PBa7szxHM8 t1zgFbLRiQQm0O5M9sq/18+FhbKRSTm1Wrh6lzRZcYfyIEGhz1qpkxQqXchfIz/jLJK+cGGYJlHRj o9WV15kFFbZALLnW/dCODt6WtbtMc8U3ngh5ilBeUIZpqEZtxXTfIqrKnih6UFxLObxhAak8ebSjb CpRyWIQg==; Received: from mail-pf1-x429.google.com ([2607:f8b0:4864:20::429]) by bombadil.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1late3-00Fjfs-Gl for linux-mediatek@lists.infradead.org; Mon, 26 Apr 2021 05:18:57 +0000 Received: by mail-pf1-x429.google.com with SMTP id a12so38174675pfc.7 for ; Sun, 25 Apr 2021 22:18:54 -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=rywd4hnCU7/9HbcJL7DvcHVAqfAUpeGMenv4sbpVbPg=; b=CMuN3mkwvDeBeo432fJqHbMLRzEVmCttlBmiosgZBn6YtxAtX3SdqsA/L1SMRjW9ur 9XWuMBU85KPQFbaIp9agcRrNzYz+6GDBENoGt+eLtSlOGlCVX7M/PgZ9Ubulq3afmzix hqgf+PNXSL2SsYA+i4P1wf/yD2MUmmz5/AgHM= 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=rywd4hnCU7/9HbcJL7DvcHVAqfAUpeGMenv4sbpVbPg=; b=KHVMf8WO/IBZVPDjZihNPiSIzevCNGcZegHLXPjHyHRA+Ajcbt1d3UeEB774mtliTS dWlNQ6Gz31KBnv29pB3sFnSrk9DyHwCRWTPMbKd9Oxo5K9/9luIiiNW+carXzSrotURw KMm+A90kRi70J6kQL82Y9ntftTM0zOUq7KZs9Kub+E3atoU2QO1Bw1O73dBAX16sPFcu Ies9ZIzVu/BD69vR4ypFlQK4JIlX5c0F7mkIY/giJsvWQHgr/R6QoPiRJUTbs69SqXxN EyEHLeYmYKgBPzMfVU75KsTnmLxBVF6Us45xahE+5bFE5oMcFg+Qy9W6X6DncJxUKPK1 5+KA== X-Gm-Message-State: AOAM530e0Pdqm2CJ59B72gAmYQQxgLqFWYmeEaClUxGtDgp7UWpPG+zB guFOK5IVwSKMgvw1xALyI86h5a/1TvoOeQ== X-Google-Smtp-Source: ABdhPJxFS+sK39f/LfL1MlXA47wSW7gVZjlZJquRa9ML43FqezaUaeqZhJtTKM3L+YRD6QTNPxsgbg== X-Received: by 2002:aa7:860f:0:b029:265:4428:3104 with SMTP id p15-20020aa7860f0000b029026544283104mr15822916pfn.75.1619414333766; Sun, 25 Apr 2021 22:18:53 -0700 (PDT) Received: from hsinyi-z840.tpe.corp.google.com ([2401:fa00:1:10:49dc:8519:4648:67e]) by smtp.gmail.com with ESMTPSA id h9sm9928420pgl.67.2021.04.25.22.18.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 25 Apr 2021 22:18:53 -0700 (PDT) From: Hsin-Yi Wang To: dri-devel@lists.freedesktop.org Cc: Chun-Kuang Hu , Sean Paul , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , linux-kernel@vger.kernel.org, Rob Herring , Matthias Brugger , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH v2 1/2] gpu: drm: init set panel orientation property earlier Date: Mon, 26 Apr 2021 13:18:47 +0800 Message-Id: <20210426051848.2600890-1-hsinyi@chromium.org> X-Mailer: git-send-email 2.31.1.498.g6c1eba8ee3d-goog MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210425_221856_021924_3BA2154B X-CRM114-Status: GOOD ( 14.76 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.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. Create panel orientation property in drm_connector_init() and set default value to UNKNOWN. Let the panel set the real value later. [ 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 --- v1: https://patchwork.kernel.org/project/linux-mediatek/patch/20210409045314.3420733-1-hsinyi@chromium.org/ --- drivers/gpu/drm/drm_connector.c | 28 +++++++++++++++------------- 1 file changed, 15 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index 7631f76e7f34..a1acb4af0ef4 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -303,6 +303,10 @@ int drm_connector_init(struct drm_device *dev, config->tile_property, 0); + drm_object_attach_property(&connector->base, + config->panel_orientation_property, + DRM_MODE_PANEL_ORIENTATION_UNKNOWN); + if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { drm_object_attach_property(&connector->base, config->prop_crtc_id, 0); } @@ -1210,7 +1214,7 @@ static const struct drm_prop_enum_list dp_colorspaces[] = { * INPUT_PROP_DIRECT) will still map 1:1 to the actual LCD panel * coordinates, so if userspace rotates the picture to adjust for * the orientation it must also apply the same transformation to the - * touchscreen input coordinates. This property is initialized by calling + * touchscreen input coordinates. This property value is set by calling * drm_connector_set_panel_orientation() or * drm_connector_set_panel_orientation_with_quirk() * @@ -1298,6 +1302,14 @@ int drm_connector_create_standard_properties(struct drm_device *dev) return -ENOMEM; dev->mode_config.hdr_output_metadata_property = prop; + prop = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, + "panel orientation", + drm_panel_orientation_enum_list, + ARRAY_SIZE(drm_panel_orientation_enum_list)); + if (!prop) + return -ENOMEM; + dev->mode_config.panel_orientation_property = prop; + return 0; } @@ -2205,19 +2217,9 @@ int drm_connector_set_panel_orientation( info->panel_orientation = panel_orientation; prop = dev->mode_config.panel_orientation_property; - if (!prop) { - prop = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, - "panel orientation", - drm_panel_orientation_enum_list, - ARRAY_SIZE(drm_panel_orientation_enum_list)); - if (!prop) - return -ENOMEM; - - dev->mode_config.panel_orientation_property = prop; - } - drm_object_attach_property(&connector->base, prop, - info->panel_orientation); + drm_object_property_set_value(&connector->base, prop, + info->panel_orientation); return 0; } EXPORT_SYMBOL(drm_connector_set_panel_orientation); -- 2.31.1.498.g6c1eba8ee3d-goog _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek 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=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 BA966C433ED for ; Mon, 26 Apr 2021 05:20:36 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4C19A61176 for ; Mon, 26 Apr 2021 05:20:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4C19A61176 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=m8yNELTckz7oLVUhvRBuD1FZaf36ykyMHqbA2mxFsxc=; b=etrBR+wKq2qeDRGm0WMTRGboQ0 x/b7iY5S8vjKfOjyJ5QsL8rMUpWqDmaKCypY9LH+ZB370CfWpE0okvf+rFjfs6qVmc9lifyJYEzU0 k2oGqKaRvRCsuMopWB+qaOmxM4lOQvvAZJFo+xr8lcjdbIetr7CoBeq+cYh0GiniJ5BEWJOyG3JdC HRPWYQOU7GREu/niUtTc8temBNqtSWDzN0jYARPCii7XH1qEPFP26wYuDQP8Pxy+3US5xSSzUL5Ts KITV6SN2gwPUn9zC7aS8ACriho3NGGp7ge3EwnWdNci+yBdVnjiy7SDWHdv0bNHiOcfAA8yiFVlj/ 79jdsx2A==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1late9-006vg9-Pb; Mon, 26 Apr 2021 05:19:01 +0000 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1late6-006vfG-QF for linux-arm-kernel@desiato.infradead.org; Mon, 26 Apr 2021 05:18:59 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:In-Reply-To:References; bh=rywd4hnCU7/9HbcJL7DvcHVAqfAUpeGMenv4sbpVbPg=; b=aEiq58ZQBDLUcdt/QzmpjwOAJ5 XFP/wSi7W7yGgkrfaDcdbu1J3OuYAmSMapLfNCr8lL23ICcMlYCCG4XKj0FkX6lj5DVxio+htN47r bFv1EbbffaiO29bUZDx6zUDJbm+ORwemebsA0BS9oy6yo4PpZKSA58Q7W22Xx6LQc+1PBa7szxHM8 t1zgFbLRiQQm0O5M9sq/18+FhbKRSTm1Wrh6lzRZcYfyIEGhz1qpkxQqXchfIz/jLJK+cGGYJlHRj o9WV15kFFbZALLnW/dCODt6WtbtMc8U3ngh5ilBeUIZpqEZtxXTfIqrKnih6UFxLObxhAak8ebSjb CpRyWIQg==; Received: from mail-pg1-x52c.google.com ([2607:f8b0:4864:20::52c]) by bombadil.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1late3-00Fjfr-JM for linux-arm-kernel@lists.infradead.org; Mon, 26 Apr 2021 05:18:57 +0000 Received: by mail-pg1-x52c.google.com with SMTP id p12so39304762pgj.10 for ; Sun, 25 Apr 2021 22:18:54 -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=rywd4hnCU7/9HbcJL7DvcHVAqfAUpeGMenv4sbpVbPg=; b=CMuN3mkwvDeBeo432fJqHbMLRzEVmCttlBmiosgZBn6YtxAtX3SdqsA/L1SMRjW9ur 9XWuMBU85KPQFbaIp9agcRrNzYz+6GDBENoGt+eLtSlOGlCVX7M/PgZ9Ubulq3afmzix hqgf+PNXSL2SsYA+i4P1wf/yD2MUmmz5/AgHM= 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=rywd4hnCU7/9HbcJL7DvcHVAqfAUpeGMenv4sbpVbPg=; b=lUeFT4di2pgBmAUbJ7+hv399GV3UUoxilnRWouZO0+SYuxkDGyPuJxbfj9H7AZYL1C Dh1YgAG0EloO/DJy/wsQB4D6vXha1WfxEE9rB8GUwZC44jRVkzAG2tl9snVZ4y+FsnhA +9/PEVMcDeCz9UCSK7YDGeBJcd85FqQxB1s2nRaydob50GwtA01X1GqgbgslTNlYPzfQ k1GQoiygko1n/J+DuaNPHP7PkXZVclo1tM+BaWkXiw688sAbGevaUpQbRObT+hAXUAda bRz14NSHJseV/eg10HfLfB6Q/iIQ8lc2EDRG/VqUlC4Q/xcYZX5aU2O3p1higdd/8wda 2FQA== X-Gm-Message-State: AOAM532NYTtEdfyeeCYBxlxtEkXxAbm3mACVOWtI5ONvi0AhV49noXQh 3Vqw9e9d1vjcSD0wpi7fNGCHtA== X-Google-Smtp-Source: ABdhPJxFS+sK39f/LfL1MlXA47wSW7gVZjlZJquRa9ML43FqezaUaeqZhJtTKM3L+YRD6QTNPxsgbg== X-Received: by 2002:aa7:860f:0:b029:265:4428:3104 with SMTP id p15-20020aa7860f0000b029026544283104mr15822916pfn.75.1619414333766; Sun, 25 Apr 2021 22:18:53 -0700 (PDT) Received: from hsinyi-z840.tpe.corp.google.com ([2401:fa00:1:10:49dc:8519:4648:67e]) by smtp.gmail.com with ESMTPSA id h9sm9928420pgl.67.2021.04.25.22.18.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 25 Apr 2021 22:18:53 -0700 (PDT) From: Hsin-Yi Wang To: dri-devel@lists.freedesktop.org Cc: Chun-Kuang Hu , Sean Paul , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , linux-kernel@vger.kernel.org, Rob Herring , Matthias Brugger , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH v2 1/2] gpu: drm: init set panel orientation property earlier Date: Mon, 26 Apr 2021 13:18:47 +0800 Message-Id: <20210426051848.2600890-1-hsinyi@chromium.org> X-Mailer: git-send-email 2.31.1.498.g6c1eba8ee3d-goog MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210425_221856_020836_323C7D26 X-CRM114-Status: GOOD ( 15.90 ) 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 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. Create panel orientation property in drm_connector_init() and set default value to UNKNOWN. Let the panel set the real value later. [ 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 --- v1: https://patchwork.kernel.org/project/linux-mediatek/patch/20210409045314.3420733-1-hsinyi@chromium.org/ --- drivers/gpu/drm/drm_connector.c | 28 +++++++++++++++------------- 1 file changed, 15 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index 7631f76e7f34..a1acb4af0ef4 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -303,6 +303,10 @@ int drm_connector_init(struct drm_device *dev, config->tile_property, 0); + drm_object_attach_property(&connector->base, + config->panel_orientation_property, + DRM_MODE_PANEL_ORIENTATION_UNKNOWN); + if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { drm_object_attach_property(&connector->base, config->prop_crtc_id, 0); } @@ -1210,7 +1214,7 @@ static const struct drm_prop_enum_list dp_colorspaces[] = { * INPUT_PROP_DIRECT) will still map 1:1 to the actual LCD panel * coordinates, so if userspace rotates the picture to adjust for * the orientation it must also apply the same transformation to the - * touchscreen input coordinates. This property is initialized by calling + * touchscreen input coordinates. This property value is set by calling * drm_connector_set_panel_orientation() or * drm_connector_set_panel_orientation_with_quirk() * @@ -1298,6 +1302,14 @@ int drm_connector_create_standard_properties(struct drm_device *dev) return -ENOMEM; dev->mode_config.hdr_output_metadata_property = prop; + prop = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, + "panel orientation", + drm_panel_orientation_enum_list, + ARRAY_SIZE(drm_panel_orientation_enum_list)); + if (!prop) + return -ENOMEM; + dev->mode_config.panel_orientation_property = prop; + return 0; } @@ -2205,19 +2217,9 @@ int drm_connector_set_panel_orientation( info->panel_orientation = panel_orientation; prop = dev->mode_config.panel_orientation_property; - if (!prop) { - prop = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, - "panel orientation", - drm_panel_orientation_enum_list, - ARRAY_SIZE(drm_panel_orientation_enum_list)); - if (!prop) - return -ENOMEM; - - dev->mode_config.panel_orientation_property = prop; - } - drm_object_attach_property(&connector->base, prop, - info->panel_orientation); + drm_object_property_set_value(&connector->base, prop, + info->panel_orientation); return 0; } EXPORT_SYMBOL(drm_connector_set_panel_orientation); -- 2.31.1.498.g6c1eba8ee3d-goog _______________________________________________ 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 X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 D5BAFC433ED for ; Mon, 26 Apr 2021 05:18:56 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 8538D60FEE for ; Mon, 26 Apr 2021 05:18:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8538D60FEE Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E6ED889F77; Mon, 26 Apr 2021 05:18:55 +0000 (UTC) Received: from mail-pg1-x529.google.com (mail-pg1-x529.google.com [IPv6:2607:f8b0:4864:20::529]) by gabe.freedesktop.org (Postfix) with ESMTPS id BB2AE89F77 for ; Mon, 26 Apr 2021 05:18:54 +0000 (UTC) Received: by mail-pg1-x529.google.com with SMTP id z16so39305888pga.1 for ; Sun, 25 Apr 2021 22:18:54 -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=rywd4hnCU7/9HbcJL7DvcHVAqfAUpeGMenv4sbpVbPg=; b=CMuN3mkwvDeBeo432fJqHbMLRzEVmCttlBmiosgZBn6YtxAtX3SdqsA/L1SMRjW9ur 9XWuMBU85KPQFbaIp9agcRrNzYz+6GDBENoGt+eLtSlOGlCVX7M/PgZ9Ubulq3afmzix hqgf+PNXSL2SsYA+i4P1wf/yD2MUmmz5/AgHM= 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=rywd4hnCU7/9HbcJL7DvcHVAqfAUpeGMenv4sbpVbPg=; b=JY8WnX7FqJsiRhq9tFaJfHRAfN7+Dtr0aNY17bjPLa6hlHxFJ5ZlLK469h1CjHyLYZ vsMG5OHzolUYgfcWjjLtIA1lym+ZjHoAKSxH4qlaUiWM9W43N5z4BsqDpTdSNR+ifXW4 fqGOCn8o4Go734SXR3vUruDS5iYrR3Vi/ceFOL88+LAuA68HtWL3eAk3CwxN0Bn96uNh GjBKNukWm8qohKDbusJb63vwXzczuUAxOfd8YZEQpfO/hqdX8LapA509jHIw6Yajds9j 7bOzF0K9qxtZGPsaWP1NQ+s24U81/XsAgeOMyCJUnYUBWB6K3D25Jj/wBZW4SozMb7hI ybbw== X-Gm-Message-State: AOAM530poQvo8aLOp4jlcRtuhuqjnBmoW6xInKT7S0Kjs/FkaUV0uPaN tdY5e1Zgczb99LytBABGl4t6O76R6k82ZQ== X-Google-Smtp-Source: ABdhPJxFS+sK39f/LfL1MlXA47wSW7gVZjlZJquRa9ML43FqezaUaeqZhJtTKM3L+YRD6QTNPxsgbg== X-Received: by 2002:aa7:860f:0:b029:265:4428:3104 with SMTP id p15-20020aa7860f0000b029026544283104mr15822916pfn.75.1619414333766; Sun, 25 Apr 2021 22:18:53 -0700 (PDT) Received: from hsinyi-z840.tpe.corp.google.com ([2401:fa00:1:10:49dc:8519:4648:67e]) by smtp.gmail.com with ESMTPSA id h9sm9928420pgl.67.2021.04.25.22.18.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 25 Apr 2021 22:18:53 -0700 (PDT) From: Hsin-Yi Wang To: dri-devel@lists.freedesktop.org Subject: [PATCH v2 1/2] gpu: drm: init set panel orientation property earlier Date: Mon, 26 Apr 2021 13:18:47 +0800 Message-Id: <20210426051848.2600890-1-hsinyi@chromium.org> X-Mailer: git-send-email 2.31.1.498.g6c1eba8ee3d-goog MIME-Version: 1.0 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: Chun-Kuang Hu , devicetree@vger.kernel.org, David Airlie , linux-kernel@vger.kernel.org, Rob Herring , linux-mediatek@lists.infradead.org, Thomas Zimmermann , Matthias Brugger , Sean Paul , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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. Create panel orientation property in drm_connector_init() and set default value to UNKNOWN. Let the panel set the real value later. [ 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 --- v1: https://patchwork.kernel.org/project/linux-mediatek/patch/20210409045314.3420733-1-hsinyi@chromium.org/ --- drivers/gpu/drm/drm_connector.c | 28 +++++++++++++++------------- 1 file changed, 15 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index 7631f76e7f34..a1acb4af0ef4 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -303,6 +303,10 @@ int drm_connector_init(struct drm_device *dev, config->tile_property, 0); + drm_object_attach_property(&connector->base, + config->panel_orientation_property, + DRM_MODE_PANEL_ORIENTATION_UNKNOWN); + if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { drm_object_attach_property(&connector->base, config->prop_crtc_id, 0); } @@ -1210,7 +1214,7 @@ static const struct drm_prop_enum_list dp_colorspaces[] = { * INPUT_PROP_DIRECT) will still map 1:1 to the actual LCD panel * coordinates, so if userspace rotates the picture to adjust for * the orientation it must also apply the same transformation to the - * touchscreen input coordinates. This property is initialized by calling + * touchscreen input coordinates. This property value is set by calling * drm_connector_set_panel_orientation() or * drm_connector_set_panel_orientation_with_quirk() * @@ -1298,6 +1302,14 @@ int drm_connector_create_standard_properties(struct drm_device *dev) return -ENOMEM; dev->mode_config.hdr_output_metadata_property = prop; + prop = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, + "panel orientation", + drm_panel_orientation_enum_list, + ARRAY_SIZE(drm_panel_orientation_enum_list)); + if (!prop) + return -ENOMEM; + dev->mode_config.panel_orientation_property = prop; + return 0; } @@ -2205,19 +2217,9 @@ int drm_connector_set_panel_orientation( info->panel_orientation = panel_orientation; prop = dev->mode_config.panel_orientation_property; - if (!prop) { - prop = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, - "panel orientation", - drm_panel_orientation_enum_list, - ARRAY_SIZE(drm_panel_orientation_enum_list)); - if (!prop) - return -ENOMEM; - - dev->mode_config.panel_orientation_property = prop; - } - drm_object_attach_property(&connector->base, prop, - info->panel_orientation); + drm_object_property_set_value(&connector->base, prop, + info->panel_orientation); return 0; } EXPORT_SYMBOL(drm_connector_set_panel_orientation); -- 2.31.1.498.g6c1eba8ee3d-goog _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel