From patchwork Mon Feb 21 22:06:08 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 12754201 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 78886C433EF for ; Mon, 21 Feb 2022 22:06:25 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E224610E3E8; Mon, 21 Feb 2022 22:06:22 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id DFBBB10E3E8 for ; Mon, 21 Feb 2022 22:06:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1645481181; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=F1yW1M2dkLzBqH5mIpakZf+eqzzqwFabHRn+0hiLN50=; b=dSLOwFPfQSpKl4GPW9H3O21k+J1jE5LgnREyCjDGS8YuAImjjJe7Fxu9FpXwDj0bpizxjA E50PQRD0dZz7GQdJhcGx2wnOPdmw3BRFFuI0vLrWVkQqAkoiMWcdM0pGRmri0psrPjvSmY Rd5OaR4FbXcLtRbZefHcUGBWegjeRhU= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-206-aL377bfuNCKcO7GKxl-YCQ-1; Mon, 21 Feb 2022 17:06:17 -0500 X-MC-Unique: aL377bfuNCKcO7GKxl-YCQ-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id A80081091DA1; Mon, 21 Feb 2022 22:06:16 +0000 (UTC) Received: from shalem.redhat.com (unknown [10.39.192.56]) by smtp.corp.redhat.com (Postfix) with ESMTP id 78CEA5BC27; Mon, 21 Feb 2022 22:06:14 +0000 (UTC) From: Hans de Goede To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann Subject: [PATCH 2/2] drm/i915/vlv_dsi: Add DMI quirk for wrong panel size on Lenovo Yoga Tablet 2 series Date: Mon, 21 Feb 2022 23:06:08 +0100 Message-Id: <20220221220608.12131-2-hdegoede@redhat.com> In-Reply-To: <20220221220608.12131-1-hdegoede@redhat.com> References: <20220221220608.12131-1-hdegoede@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=hdegoede@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com 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: Hans de Goede , dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On the Lenovo Yoga Tablet 2 830 / 1050 the VBT contains a bogus 192mm x 120mm size. This is especially a problem on the 8" 830 version which uses a 10:16 portrait screen where as the bogus size is 16:10. Add a DMI quirk to override the wrong panel size with the correct one. Note both the 10" 1050 models as well as the 8" 830 models use the same mainboard and thus the same DMI strings. The 10" 1050 uses a 1920x1200 landscape screen, where as the 8" 830 uses a 1200x1920 portrait screen, so the quirk handling uses the display resolution to detect the model. Signed-off-by: Hans de Goede Reviewed-by: Javier Martinez Canillas --- drivers/gpu/drm/i915/display/vlv_dsi.c | 37 ++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/drivers/gpu/drm/i915/display/vlv_dsi.c b/drivers/gpu/drm/i915/display/vlv_dsi.c index 66f5cf32bb66..e370a039e991 100644 --- a/drivers/gpu/drm/i915/display/vlv_dsi.c +++ b/drivers/gpu/drm/i915/display/vlv_dsi.c @@ -1847,6 +1847,29 @@ static void vlv_dsi_asus_tf103c_mode_fixup(struct drm_connector *connector, fixed_mode->crtc_vtotal = 816; } +/* + * On the Lenovo Yoga Tablet 2 830 / 1050 width_/height_mm contain a bogus + * 192mm x 120mm size. This is especially a problem on the 8" 830 version which + * uses a 10:16 portrait screen where as the bogus size is 16:10. + */ +static void vlv_dsi_lenovo_yoga_tab2_mode_fixup(struct drm_connector *connector, + struct drm_display_mode *fixed_mode) +{ + struct drm_display_info *info = &connector->display_info; + + /* + * The 10" 1050 uses a 1920x1200 landscape screen, where as the 8" 830 + * uses a 1200x1920 portrait screen. + */ + if (fixed_mode->hdisplay == 1920) { + info->width_mm = 216; + info->height_mm = 135; + } else { + info->width_mm = 107; + info->height_mm = 171; + } +} + static const struct dmi_system_id dmi_mode_fixup_table[] = { { /* Asus Transformer Pad TF103C */ @@ -1856,6 +1879,20 @@ static const struct dmi_system_id dmi_mode_fixup_table[] = { }, .driver_data = (void *)vlv_dsi_asus_tf103c_mode_fixup, }, + { + /* + * Lenovo Yoga Tablet 2 830F/L or 1050F/L (The 8" and 10" + * Lenovo Yoga Tablet 2 use the same mainboard) + */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp."), + DMI_MATCH(DMI_PRODUCT_NAME, "VALLEYVIEW C0 PLATFORM"), + DMI_MATCH(DMI_BOARD_NAME, "BYT-T FFD8"), + /* Partial match on beginning of BIOS version */ + DMI_MATCH(DMI_BIOS_VERSION, "BLADE_21"), + }, + .driver_data = (void *)vlv_dsi_lenovo_yoga_tab2_mode_fixup, + }, { } };