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=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no 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 8C5D3C433E0 for ; Mon, 21 Dec 2020 04:08:03 +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 1386D22BF3 for ; Mon, 21 Dec 2020 04:08:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1386D22BF3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1CDDB6E452; Mon, 21 Dec 2020 04:08:02 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by gabe.freedesktop.org (Postfix) with ESMTPS id 633226E452 for ; Mon, 21 Dec 2020 04:08:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Type:MIME-Version:Message-ID: Subject:To:From:Date:Sender:Reply-To:Cc:Content-Transfer-Encoding:Content-ID: Content-Description:In-Reply-To:References; bh=tJlFuBCxIu8JI9sTjxqxsFQ4nzfUY2KjmwLK83VQXKc=; b=gUbAmlpYBebYaVWjhVlSQdQSdD LUEHoDGdkK5UQuEF0I7HUlmMGENi43yjmGEdb8QLGORoVn9QB6p2NVC+9RKDBJ08dpydwg25sDrxk oLNASaE3uuNgK/QZPRNe1gTZjcv9a+QIVfYcmMNdZ4YJEN1PoRLKN1JmYVTpE56o2Cn5FbMMVNnzr PS2EpJAcx8jpkdWR3Q51rzZuAoMYEqbFpjR4NmYD/JdyyapUZT3pYiREs2EL5cpyofi8SPBEIO9y3 0Vu0mVW/lWGdwBSyhKOWkT9OPOo6y4wsLJzF330gS8wyiUsNDSnnxE7nrGR/2Z0ibbLeAKU9Vh0m/ Ddlai6QA==; Received: from willy by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1krCUJ-0001HM-2K for intel-gfx@lists.freedesktop.org; Mon, 21 Dec 2020 04:07:59 +0000 Date: Mon, 21 Dec 2020 04:07:58 +0000 From: Matthew Wilcox To: intel-gfx@lists.freedesktop.org Message-ID: <20201221040758.GA874@casper.infradead.org> MIME-Version: 1.0 Content-Disposition: inline Subject: [Intel-gfx] Missing DPPLL case on i7-1165G7 X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" At boot, [ 2.787995] [drm:lspcon_init [i915]] *ERROR* Failed to probe lspcon [ 2.788001] i915 0000:00:02.0: [drm] *ERROR* LSPCON init failed on port E [ 2.790752] ------------[ cut here ]------------ [ 2.790753] Missing case (clock == 539440) [ 2.790790] WARNING: CPU: 0 PID: 159 at drivers/gpu/drm/i915/display/intel_dpll_mgr.c:2967 icl_get_dplls+0x53a/0xa50 [i915] In drivers/gpu/drm/i915/display/intel_dpll_mgr.c, I see an entry for 540,000. Presumbly, this clock was supposed to be rounded up to that somewhere. This is an HP Spectre x360 using the internal display. Here's the EDID in case that's useful: $ edid-decode /sys/class/drm/card0-eDP-1/edid edid-decode (hex): 00 ff ff ff ff ff ff 00 4c 83 49 41 00 00 00 00 13 1d 01 04 b5 1d 11 78 02 38 d1 ae 51 3b b8 23 0b 50 54 00 00 00 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 b9 d5 00 40 f1 70 20 80 30 20 88 00 26 a5 10 00 00 1b b9 d5 00 40 f1 70 20 80 30 20 88 00 26 a5 10 00 00 1b 00 00 00 0f 00 ff 09 3c ff 09 3c 2c 80 00 00 00 00 00 00 00 00 10 00 00 01 00 00 00 00 00 00 00 00 00 00 00 01 af 02 03 0f 00 e3 05 80 00 e6 06 05 01 73 6d 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ab ---------------- EDID version: 1.4 Manufacturer: SDC Model 16713 Serial Number 0 Made in week 19 of 2019 Digital display 10 bits per primary color channel DisplayPort interface Maximum image size: 29 cm x 17 cm Gamma: 2.20 Supported color formats: RGB 4:4:4 First detailed timing includes the native pixel format and preferred refresh rate Color Characteristics Red: 0.6796, 0.3193 Green: 0.2324, 0.7187 Blue: 0.1396, 0.0439 White: 0.3125, 0.3291 Established Timings I & II: none Standard Timings: none Detailed mode: Clock 547.130 MHz, 294 mm x 165 mm 3840 3888 3920 4160 ( 48 32 240) 2160 2168 2176 2192 ( 8 8 16) +hsync -vsync VertFreq: 60.001 Hz, HorFreq: 131.522 kHz Detailed mode: Clock 547.130 MHz, 294 mm x 165 mm 3840 3888 3920 4160 ( 48 32 240) 2160 2168 2176 2192 ( 8 8 16) +hsync -vsync VertFreq: 60.001 Hz, HorFreq: 131.522 kHz Manufacturer-Specified Display Descriptor (0x0f): 00 0f 00 ff 09 3c ff 09 3c 2c 80 00 00 00 00 00 .....<..<,...... Dummy Descriptor Has 1 extension block Checksum: 0xaf ---------------- CTA-861 Extension Block Revision 3 0 native detailed modes 11 bytes of CTA data blocks Extended tag: Colorimetry Data Block BT2020RGB Extended tag: HDR Static Metadata Data Block Electro optical transfer functions: Traditional gamma - SDR luminance range SMPTE ST2084 Supported static metadata descriptors: Static metadata type 1 Desired content max luminance: 115 (603.666 cd/m^2) Desired content max frame-average luminance: 109 (530.095 cd/m^2) Desired content min luminance: 7 (0.005 cd/m^2) Checksum: 0xab _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx