From patchwork Mon Apr 26 05:18:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hsin-Yi Wang X-Patchwork-Id: 12223823 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 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);