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 02D4010A3D63 for ; Thu, 26 Mar 2026 11:57:46 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1C04610E9D3; Thu, 26 Mar 2026 11:57:39 +0000 (UTC) Received: from mail-ej1-f51.google.com (mail-ej1-f51.google.com [209.85.218.51]) by gabe.freedesktop.org (Postfix) with ESMTPS id 99D5210E8E5 for ; Thu, 26 Mar 2026 05:41:16 +0000 (UTC) Received: by mail-ej1-f51.google.com with SMTP id a640c23a62f3a-b9910707d82so64229966b.1 for ; Wed, 25 Mar 2026 22:41:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1774503675; x=1775108475; 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=MeNlsGRjk0j75B4U63/NOgjAHeRo7Cmol6vB5z1mUKQ=; b=fuqEqisZVGUfM+oKuvsYejm5hUlqmED3KpTVzlBuGhhvGPDrS7NV3Nha50iR3gXai6 SkW4r84nqQ/VKiVT+YiUNqtawjLi3NTJVqhnvH8SFcvtwKNh3e//170tM2/rJNw8n1u2 6pQRe2e0xXrEzhmL5GaUrnSq5h579Xd5+1BH8hRSkL4s+kUkHjWCRbkQu9s1kI4sYZqu BrufrW7/my+kJGwpVPfHiW/GcpqJQoHDcqTZlE87sTM/Uz8VRGlf5puPFQuWIDVR/Qhv O//yqZAahueU2RnMSn1cX/+ET4px4rJ7kqGcskuxXeUyKQ74JCamGGudsaWgRS/XzQKk z4fQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1774503675; x=1775108475; 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=MeNlsGRjk0j75B4U63/NOgjAHeRo7Cmol6vB5z1mUKQ=; b=NI72wjCJUrxzCbbH69Vc3N7/dgrQU3LMrN28XBDHCVYUCsNcn3cSP3Z64a6vRp03Tw CN75Buyjl65dk7GXMslQe+Ukwljv/03AMBedoGqX4/pz8yF/rflAOlZNdZAD8Xx3ETVM AgEpD0dQx39K/3+wRK4rsXfd1fAjTd4rJoGMY2l+mmPOkWbyaNDk/gFIBSfq6W0MgtS7 Pbc8Bcj97BTzs0kMSK2oVISlc3Uk6SeVge+bbB7/bCGurk3eyr08jsdbj9fB6m8tK9dZ Zzz5C7ihp2yqE9Y7/cnLR6UCXX65JzUa+Ct/5UIdm8DpvldfhQkhTVRnKbm4d/mvjK6H rGgQ== X-Gm-Message-State: AOJu0Ywe2NoI+kw/36xillYY/p6XG8tEFF3xdbjXy/N9IvJfN9y9LBQu UqL3x0Y7UDx3VZwN2gUFR/H78DrIaxHGIZKZgeCLcUm32v4eAw3QBb3oIkqGsjaEcStKQKGX X-Gm-Gg: ATEYQzwo7K1bxeCcDVJRd0NGN2I/NzzLnQ8oycTuPw9Cl1+y0vTiLQd9fyq+8J9wqHf ALZpcxhaUWFGNfEo0rWq8wYXtmhfScEPzIKi5Py7pV/flaZqS5n9QizXkR9B2FgJb3vVJWJ2YhF r4jJfYK0eIhGv93j5IQPXIPKZpJ15Iot9mE8/hXBjy6QdGbylxulXfwM+DIpjXhxrVUuEfV5jrh nMg+1QJazdd9DavllHfGJ1oP7da609mVTYfgtGo5z43w1lr9szP2/WxKR/DcRI1JCBafLrromyL aC5IpQy+3OxvnPwEJxxL3WPE3vP+l2dpnRBQt+BQlCpnyq+TewepBLlgeysWvwFot3rzulzCJFC 3Dk8IoPp0qJNOGwGVahCBRQ3JZaWkvvV7C8psR1Giz8s4JibbZDj8gJqtz6WhoBaeKmB/ZNAIxw 6Ds4LppwxGCtgO1mkPoiSlPt+OrxgoGQWCgt4qmwHBZBObekt2SelIKMD3Pf5a06Y= X-Received: by 2002:a17:907:61a7:b0:b97:464:956e with SMTP id a640c23a62f3a-b9a5423686bmr358844066b.34.1774503674498; Wed, 25 Mar 2026 22:41:14 -0700 (PDT) Received: from JTOLLET-M-FKW7.cisco.com ([2603:5004:20a0:100c:6848:c80c:6661:b63f]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b9b2043add3sm72494466b.58.2026.03.25.22.41.13 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Wed, 25 Mar 2026 22:41:13 -0700 (PDT) From: Jerome Tollet X-Google-Original-From: Jerome Tollet To: intel-gfx@lists.freedesktop.org Cc: Jerome Tollet , dri-devel@lists.freedesktop.org, ankit.k.nautiyal@intel.com, ville.syrjala@linux.intel.com Subject: Re: [RESEND] drm/i915/hdmi: Poll for 200 msec for TMDS_Scrambler_Status Date: Thu, 26 Mar 2026 06:41:12 +0100 Message-ID: <20260326054112.51287-1-jtollet@cisco.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260113143107.1446909-1-ankit.k.nautiyal@intel.com> References: <20260113143107.1446909-1-ankit.k.nautiyal@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Thu, 26 Mar 2026 11:57:38 +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" From: Jerome Tollet Hi Ankit, Ville, Following up on this patch. As previously reported, the SCDC polling approach fixes the 4K@60Hz HDMI issue on my Alder Lake-N (N100) + Cisco Desk Pro setup, and I have not seen regressions in testing. Ville, do you see any remaining concern with this approach, or is there anything else you would like me to test to help move this forward? Thanks, Jerome