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 66FA4EE7FF4 for ; Mon, 11 Sep 2023 05:11:44 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BECBC10E10C; Mon, 11 Sep 2023 05:11:38 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id 396DA10E104 for ; Mon, 11 Sep 2023 05:11:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1694409096; x=1725945096; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=qyGe3Nycg17DWOWxaPq4vpWijBRrVNCVZiUtns3Oz5U=; b=Kc8NY7iPj5mh+eR6t+zU6iWZtnmFCZkljZcNPVo7kTdaOOfAGtSBF44p qoNM0yYrkmsyqmMf5Se8MglHtIT+/RtRNo1K+O/WfzjUrIqkBaKNtiK3D u/NT3ypBOgrPpq9a5jhvQ9qJOZe1qL6Yj6fcF4uacgM0VMLPM5Qwj3mQx RZKvkfNs2MWCl6qI3Q02lE7m1VfoV4Nq+lGUdfiaYcYRbETCus/kHhB5h Dp95iYFXy2QuNKPI3V9OxQDo+Tj1GDgeuVCThZEZgvKLs6AlFV+5FZAz6 2j/suPBaSBYckJKMZov6r8P/I181E4AoBrwzMh/cpFiUu2pgy9sPxXD9i w==; X-IronPort-AV: E=McAfee;i="6600,9927,10829"; a="377911986" X-IronPort-AV: E=Sophos;i="6.02,243,1688454000"; d="scan'208";a="377911986" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Sep 2023 22:11:35 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10829"; a="808692811" X-IronPort-AV: E=Sophos;i="6.02,243,1688454000"; d="scan'208";a="808692811" Received: from mgolanimitul-x299-ud4-pro.iind.intel.com ([10.190.239.114]) by fmsmga008.fm.intel.com with ESMTP; 10 Sep 2023 22:11:10 -0700 From: Mitul Golani To: intel-gfx@lists.freedesktop.org Date: Mon, 11 Sep 2023 10:35:41 +0530 Message-Id: <20230911050549.763538-1-mitulkumar.ajitkumar.golani@intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [Intel-gfx] [PATCH 0/8] Add DSC fractional bpp support 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" This patch series adds support for DSC fractional compressed bpp for MTL+. The series starts with some fixes, followed by patches that lay groundwork to iterate over valid compressed bpps to select the 'best' compressed bpp with optimal link configuration (taken from upstream series: https://patchwork.freedesktop.org/series/105200/). The later patches, add changes to accommodate compressed bpp with fractional part, including changes to QP calculations. To get the 'best' compressed bpp, we iterate over the valid compressed bpp values, but with fractional step size 1/16, 1/8, 1/4 or 1/2 as per sink support. The last 2 patches add support to depict DSC sink's fractional support, and debugfs to enforce use of fractional bpp, while choosing an appropriate compressed bpp. Ankit Nautiyal (5): drm/display/dp: Add helper function to get DSC bpp prescision drm/i915/display: Store compressed bpp in U6.4 format drm/i915/display: Consider fractional vdsc bpp while computing m_n values drm/i915/audio : Consider fractional vdsc bpp while computing tu_data drm/i915/dp: Iterate over output bpp with fractional step size Swati Sharma (2): drm/i915/dsc: Add debugfs entry to validate DSC fractional bpp drm/i915/dsc: Allow DSC only with fractional bpp when forced from debugfs Vandita Kulkarni (1): drm/i915/dsc/mtl: Add support for fractional bpp drivers/gpu/drm/display/drm_dp_helper.c | 27 ++++++ drivers/gpu/drm/i915/display/icl_dsi.c | 10 +-- drivers/gpu/drm/i915/display/intel_audio.c | 14 ++-- drivers/gpu/drm/i915/display/intel_bios.c | 4 +- drivers/gpu/drm/i915/display/intel_cdclk.c | 2 +- drivers/gpu/drm/i915/display/intel_display.c | 8 +- drivers/gpu/drm/i915/display/intel_display.h | 2 +- .../drm/i915/display/intel_display_debugfs.c | 82 +++++++++++++++++++ .../drm/i915/display/intel_display_types.h | 19 ++++- drivers/gpu/drm/i915/display/intel_dp.c | 74 +++++++++++------ drivers/gpu/drm/i915/display/intel_dp_mst.c | 24 +++--- drivers/gpu/drm/i915/display/intel_fdi.c | 2 +- .../gpu/drm/i915/display/intel_qp_tables.c | 3 - drivers/gpu/drm/i915/display/intel_vdsc.c | 29 +++++-- include/drm/display/drm_dp_helper.h | 1 + 15 files changed, 233 insertions(+), 68 deletions(-) -- 2.25.1