From patchwork Tue Aug 7 23:05:27 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Srivatsa, Anusha" X-Patchwork-Id: 10559325 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D8DB814E2 for ; Tue, 7 Aug 2018 23:10:09 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C8F6C29F7F for ; Tue, 7 Aug 2018 23:10:09 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BDB3629F8C; Tue, 7 Aug 2018 23:10:09 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 8A49029F7F for ; Tue, 7 Aug 2018 23:10:09 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 74A346E46A; Tue, 7 Aug 2018 23:10:05 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id A6D206E46A for ; Tue, 7 Aug 2018 23:10:03 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 Aug 2018 16:10:03 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,456,1526367600"; d="scan'208";a="64335744" Received: from anusha-dev.jf.intel.com ([10.7.198.63]) by orsmga006.jf.intel.com with ESMTP; 07 Aug 2018 16:10:02 -0700 From: Anusha Srivatsa To: intel-gfx@lists.freedesktop.org Date: Tue, 7 Aug 2018 16:05:27 -0700 Message-Id: <1533683132-21625-1-git-send-email-anusha.srivatsa@intel.com> X-Mailer: git-send-email 2.7.4 Subject: [Intel-gfx] [PATCH 0/5] Forward Error Correction X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP With Display Stream Compression, bit error in pixel stream can turn into a significant corruption on the screen. DP1.4 adds support for Forward Eror correction which uses Reed-Solomon codes with which the sink can detect small numbers of bit errors in compressed stream. This series is rebased on top of: https://patchwork.freedesktop.org/series/47514/ Srivatsa, Anusha (5): drm/dp/fec: DRM helper for Forward Error Correction i915/dp/fec: Check for FEC Support drm/i915/fec: Set FEC_READY in FEC_CONFIGURATION i915/dp/fec: Configure the Forward Error Correction bits. drm/i915/fec: Disable FEC state. drivers/gpu/drm/drm_dp_helper.c | 14 ++++++++ drivers/gpu/drm/i915/i915_reg.h | 2 ++ drivers/gpu/drm/i915/intel_ddi.c | 5 +++ drivers/gpu/drm/i915/intel_dp.c | 74 ++++++++++++++++++++++++++++++++++++++-- drivers/gpu/drm/i915/intel_drv.h | 8 ++++- include/drm/drm_dp_helper.h | 3 ++ 6 files changed, 103 insertions(+), 3 deletions(-)