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 057B9F589DB for ; Thu, 23 Apr 2026 14:34:28 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B403710F17A; Thu, 23 Apr 2026 14:34:27 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="Rw7i+hL+"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.19]) by gabe.freedesktop.org (Postfix) with ESMTPS id DDFC610F17A; Thu, 23 Apr 2026 14:34:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1776954867; x=1808490867; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=higSxJkHWQN8eJyeh0jg1Ggy97nKVirSTQApciHIzqg=; b=Rw7i+hL+9+6pxOQLQRuRlww+rTnGcDFDQPsoekf0bbW3zoSrWOUmw0D/ cPM177KU0tBBnn900IKd8Ka3iFNz2lD8JXiTnaHh6ThN+IdfgO7OHzXUb 6TECg6NKQl56o3Ln0I0FoXEf9eZhUG/kTNKcmBZumyCbPLxLamuTXU09n qurfrfZ/4NlJ12eySolIOpK31iD9/R/RxtoKr5pIGHt3ZtsWp/t0MtRwZ urOyy1jyIF5NA5OcIoF0ZYXkvy4ufjjy7xYEGlYV91BPlOMB1NdTJfQNR H/9GAXQRLDHKff6LwaDwl24lPQSUHuwGLE9oq/beG4XTVhOY3I1lCqsmV Q==; X-CSE-ConnectionGUID: yjV0sGPOR8mOOAoCB+TRrA== X-CSE-MsgGUID: i8FM8Fj4TRK9k0lNU0JGdQ== X-IronPort-AV: E=McAfee;i="6800,10657,11765"; a="76957630" X-IronPort-AV: E=Sophos;i="6.23,194,1770624000"; d="scan'208";a="76957630" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Apr 2026 07:34:26 -0700 X-CSE-ConnectionGUID: FMk6G9E0Rb6bVvLMY2VjPg== X-CSE-MsgGUID: 69230ZruTFmU6o/gkzRveg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,194,1770624000"; d="scan'208";a="256170448" Received: from nemesa.iind.intel.com ([10.190.239.22]) by fmviesa001.fm.intel.com with ESMTP; 23 Apr 2026 07:34:24 -0700 From: Nemesa Garg To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org Cc: Nemesa Garg Subject: [PATCH 0/3] DSC max delta bpp support Date: Thu, 23 Apr 2026 20:00:32 +0530 Message-Id: <20260423143035.2267634-1-nemesa.garg@intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Some sinks exposes DSC max bpp through delta based DPCD fields. To support those sinks, add DP DPCD field field and logic to decode the delta value in bppx16 format. Nemesa Garg (3): drm/dp: Add DP_DSC_MAX_BPP_DELTA register drm/dp: Add max bpp delta computation constants drm/i915/dp: Decode dsc max delta bpp from sink dpcd drivers/gpu/drm/i915/display/intel_dp.c | 43 +++++++++++++++++++++++-- include/drm/display/drm_dp.h | 21 ++++++++---- 2 files changed, 55 insertions(+), 9 deletions(-) -- 2.25.1