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 CB708CD5BD5 for ; Wed, 27 May 2026 11:12:39 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DE0D110E152; Wed, 27 May 2026 11:12:37 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="fDGLHJPf"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 26AC010E152; Wed, 27 May 2026 11:12:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1779880356; x=1811416356; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=1SgRiBg7cwUrr3CnzQdg8ztHpnIbw5xFcKA1QkSscQM=; b=fDGLHJPfgrACQBiMW+2AwY3jDzh29kDkO0EgLpkwk1K5U1k3fWUdWoSK /Eli2NrefBm+HgeFicGwlt2OmfC30jLAIni9KTkjazgqQlSnS7jw/SvaV QLW2ChPct2NpIjrb8BrkfS90MiNqoDoXSVAH6wGU8rt7vUWGppHPuEqQE 0xkOg3SBVrzTx1BbEslgLNUdJU+ChrKUjhIJhnSoHX3rHlLP3aBIFBjYO lFrGZI86CQbUIfXyuaFp+mJSLSuxvT2orCzKwQOh5MljdLpbknGNqDRyD erCBqmVu4uOByrggklVx5MR66TZdbaZnIwjciKkuii5nQ/OS+lacXXq07 w==; X-CSE-ConnectionGUID: lPnFHBS1Q/KDki23CmEzDg== X-CSE-MsgGUID: 7IhejN1mRF2fzfVMwuegjA== X-IronPort-AV: E=McAfee;i="6800,10657,11798"; a="80818507" X-IronPort-AV: E=Sophos;i="6.24,171,1774335600"; d="scan'208";a="80818507" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 May 2026 04:12:35 -0700 X-CSE-ConnectionGUID: SlcG4pg0THuQupOCVg1/Uw== X-CSE-MsgGUID: s+Tt5ySdSmCZZHk8gDc27A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.24,171,1774335600"; d="scan'208";a="265803129" Received: from nemesa.iind.intel.com ([10.190.239.22]) by fmviesa002.fm.intel.com with ESMTP; 27 May 2026 04:12:34 -0700 From: Nemesa Garg To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, intel-xe@lists.freedesktop.org Cc: Nemesa Garg Subject: [PATCH 0/4] DSC max delta bpp support Date: Wed, 27 May 2026 16:38:45 +0530 Message-Id: <20260527110849.3943338-1-nemesa.garg@intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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 (4): drm/dp: Add DP_DSC_MAX_BPP_DELTA register drm/dp: Rename YCbCr420 bpp delta mask to native 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 | 41 +++++++++++++++++++++++-- include/drm/display/drm_dp.h | 12 ++++++-- 2 files changed, 49 insertions(+), 4 deletions(-) -- 2.25.1