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 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 80A9CE8536F for ; Fri, 3 Apr 2026 15:12:00 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DCD3810F21F; Fri, 3 Apr 2026 15:11:59 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="ldZpXaL1"; dkim-atps=neutral Received: from mail-ej1-f41.google.com (mail-ej1-f41.google.com [209.85.218.41]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6AFE710ED2B for ; Wed, 1 Apr 2026 12:26:34 +0000 (UTC) Received: by mail-ej1-f41.google.com with SMTP id a640c23a62f3a-b9c11eba219so132375866b.2 for ; Wed, 01 Apr 2026 05:26:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1775046393; x=1775651193; darn=lists.freedesktop.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=gNPoJV1+9P6HlUjxEIUEsSTm7esF137eU6g0yQ13nXA=; b=ldZpXaL1YlebOumO+8omK2Oac3H0fKq1uZYsyhY0xZXYsihiuxHAlGFghjpNUUyWib 0paZBLZss4Cv5tdkqNv07TiG9vtpnl7SXZ51vxQ/x5yz+2lZ6/BgZUoJWuSLqaeXze+v LGfnwjgEx/F3oOA0Z4H92pBLxMwqtG2nyxfmmYbeVW2tiXMDONyCtHV31b15p1ZrdF5V zD3AshJJ05izxCKR+31Wokk2voSlXKApxEpSwXmAHIpqQTuFV+h8ogRgjsxMWGOBQEAj wKl1EDZkGP5aHQ5yLRzbJHh988SdltT5sMG4s3p/KtlcWkvYDPYNUql7NWycPOb376/i 51WQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1775046393; x=1775651193; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=gNPoJV1+9P6HlUjxEIUEsSTm7esF137eU6g0yQ13nXA=; b=mB10GVL94iF9yGarJA5QvRNjgc+2Q6fuzKDn9qDmZ/O1Rzpj4E9IOfyVZkc6qem3tx w/mkFgd4880mPogb48f0ORorab7wWc2mfXxrMDM9f0/P4ZtJ7lacHWyJ2I4QLPkD9IKg mhiNHybtnbV6aH3Sn5LcP1ZCU69+QkyLXwLnj8U8qTlcTHdjTY8uwrW5arsAzAStj2IT Do4J7vTLI8nT82lyaEe8aY0MQ2kfkxFJ2HFanxkujkyKNZR+wTMoSE3NvpApx6qErqwD Bp3UCNHhOoejrAo9bL1EtyH4geaedB4Kh8vNatWmNB31BfuikoZJTlPlFteuvC2FJL4Z GZuQ== X-Forwarded-Encrypted: i=1; AJvYcCWYVSXfl2bgc0IHu5QfuUebqEgw/lz3MqjjrGZiXlEK0/hXnFfG5BaHT0PAr5CUbS/0kHDK2jKyiGU=@lists.freedesktop.org X-Gm-Message-State: AOJu0Yx6+ysZnyJt3fZmm2Gh7Z6KCkTAzLoRAm3bmeuZoN6wf/efssuU vsqFzENbfIZCqsfAOynt0zAQaSMl+umo0sl8E9x4IbNJPvnZBywhX6Nf X-Gm-Gg: ATEYQzzjK9xQnnhbTgmhSz7h1UdLjL+NcxX3CQWt1U9He9qvwIWs/1qBBypeEUlfFbr KXoT0/tE95z9ysEkEOGyS5+pzkePUpOkLIsUhgdX3zRZ5S4Ze66sGMbWBKnmVTeGyFFCsh/JlIf NN8CVmJDnJ/yKZxHlgp63s6jFP9YRHfY0ZawSIj6JhXfDyPmbAtGbPeBtJ8yKdeK2lklVDwm1iH PPvZk7uD979UF4nAfMjwOY5Zr+WuETRlGELrmmplqpp/mvFDBsnpqfNmYC0iKfG5CSo5mkxCwFF 9PswShyLYkEdWlR8DLrQPmi393V/MIQvCqyyZ66wxNfpcdUjIavf9MxHtIMIsDNcgYBExUJ7CdI +Vi341Be1NqVcUpky6GPok8pmRhnM4KlcrNYxAAR1UlERnGFf1bQN2DOEqeCk5G151N2cSnCJlK ft7ZvSj99rsrnZNpXVK3+218N4UutDzCa1AVjB8UjsIp9H8U60u7ITS1M50DGGvqk= X-Received: by 2002:a17:906:dc9:b0:b96:996c:8605 with SMTP id a640c23a62f3a-b9c1391fdbemr175359966b.23.1775046392631; Wed, 01 Apr 2026 05:26:32 -0700 (PDT) Received: from JTOLLET-M-FKW7.cisco.com ([2603:5004:20a0:100a:a4bc:ddcb:75a8:39fd]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b9b7b1a5924sm518156666b.32.2026.04.01.05.26.31 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Wed, 01 Apr 2026 05:26:32 -0700 (PDT) From: Jerome Tollet X-Google-Original-From: Jerome Tollet To: ville.syrjala@linux.intel.com Cc: arun.r.murthy@intel.com, ankit.k.nautiyal@intel.com, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, Jerome Tollet Subject: Re: [RESEND] drm/i915/hdmi: Poll for 200 msec for TMDS_Scrambler_Status Date: Wed, 1 Apr 2026 14:26:13 +0200 Message-ID: <20260401122613.76354-1-jtollet@cisco.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Fri, 03 Apr 2026 15:11:58 +0000 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: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Hi Ville, Ankit, Thanks for the review. Ankit, Arun Murthy also reviewed the patch (in the [PATCH v2] thread) and asked for the HDMI 2.0 spec section reference in the code comment. The requirement comes from Section 10.4.1 (SCDC scrambling enable sequence), Table 10-19, register 0x21 (TMDS_Scrambler_Status), bit 0. Could you confirm the exact sub-section in your copy of the spec and add it to the comment in v3? Thanks, Jérôme