From patchwork Fri Apr 4 04:55:08 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arun R Murthy X-Patchwork-Id: 14038133 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 27C21C3601A for ; Fri, 4 Apr 2025 05:10:20 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D43E210E2E7; Fri, 4 Apr 2025 05:10:15 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="nbPBQ4lN"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8E3E010E25D; Fri, 4 Apr 2025 05:10:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1743743414; x=1775279414; h=from:date:subject:mime-version:content-transfer-encoding: message-id:references:in-reply-to:to:cc; bh=/FA8E/YelnMx8PrMceWfCKcZb1yIcio0ZiVw5Mk28RA=; b=nbPBQ4lNJhwoVvMrD1Nra693Xhob2RiMeIjnG9i6fT6H8jr9KsFpQ8YM UYvPwvHeGwlUGd76NUrvD1K4abafTYZTc6ZJKgIczu670EfEStG9ShCVD JzdXxkAaIaeQe3vF6YnvRl2C4HAiV9/q+B5U2gsFAfFjEbp8Odhp5tJMi lGubuWMzA5gqmbMfCDyrmrotP2recRv2qQkBMAOwc29FJ78E0sn8W3LBW gqGrGy/NYi9nHVGuSu8LKZfL9B0MtI2k5nfCDb/dQpxTaKur4E/awPbc9 KADlt8rba1pg2fm/EONkhQYwUXrPw1jIVrV2MnBWnO4lrDC+b67dV2nkT Q==; X-CSE-ConnectionGUID: OV5MiLtaTTaE139vf5yOCQ== X-CSE-MsgGUID: 5wBmcXLLTnqkqlrutp7vmA== X-IronPort-AV: E=McAfee;i="6700,10204,11393"; a="62572739" X-IronPort-AV: E=Sophos;i="6.15,187,1739865600"; d="scan'208";a="62572739" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Apr 2025 22:10:14 -0700 X-CSE-ConnectionGUID: lLYihhc0TeGzcPee5N6M5Q== X-CSE-MsgGUID: MUoW3IdrRIm17WwM8DOh3w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,187,1739865600"; d="scan'208";a="158186554" Received: from srr4-3-linux-106-armuthy.iind.intel.com ([10.190.238.56]) by orviesa002.jf.intel.com with ESMTP; 03 Apr 2025 22:10:13 -0700 From: Arun R Murthy Date: Fri, 04 Apr 2025 10:25:08 +0530 Subject: [PATCH v5 1/2] drm/i915/display/dp: Remove support for UHBR13.5 MIME-Version: 1.0 Message-Id: <20250404-dprates-v5-1-c93f561a095e@intel.com> References: <20250404-dprates-v5-0-c93f561a095e@intel.com> In-Reply-To: <20250404-dprates-v5-0-c93f561a095e@intel.com> To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org Cc: Jani Nikula , imre.deak@intel.com, Arun R Murthy X-Mailer: b4 0.15-dev 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" The retimer issue for UHBR13.5 is fixed in BMG. So for all platforms lesser than BMG(XE2_HPD/DISPLAY_VERx100 1401) disable UHBR13.5. commit caf3d748f646 ("drm/i915/dp: Remove support for UHBR13.5") removes UHBR13.5 for MTL. v2: Reframed the commit msg (Jani) v4: Reframed the commit msg & update the max rate supported (Jani) v5: Reframed the commit msg (Jani) Signed-off-by: Arun R Murthy --- drivers/gpu/drm/i915/display/intel_dp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index f21f9b441fc2a4e644c69410e6ec6b3d37907478..92bca701a989b03e2ad4b3d9e7d0a9ef12567e5a 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -481,7 +481,7 @@ bool intel_dp_has_joiner(struct intel_dp *intel_dp) static int dg2_max_source_rate(struct intel_dp *intel_dp) { - return intel_dp_is_edp(intel_dp) ? 810000 : 1350000; + return intel_dp_is_edp(intel_dp) ? 810000 : 1000000; } static int icl_max_source_rate(struct intel_dp *intel_dp) @@ -550,7 +550,7 @@ intel_dp_set_source_rates(struct intel_dp *intel_dp) }; static const int icl_rates[] = { 162000, 216000, 270000, 324000, 432000, 540000, 648000, 810000, - 1000000, 1350000, + 1000000, }; static const int bxt_rates[] = { 162000, 216000, 243000, 270000, 324000, 432000, 540000