From patchwork Tue Oct 15 23:05:13 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Navare, Manasi" X-Patchwork-Id: 11192047 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id F1BF1112B for ; Tue, 15 Oct 2019 23:03:35 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id DA4682067B for ; Tue, 15 Oct 2019 23:03:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DA4682067B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C192C6E8A9; Tue, 15 Oct 2019 23:03:34 +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 824416E893 for ; Tue, 15 Oct 2019 23:03:23 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 15 Oct 2019 16:03:23 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,301,1566889200"; d="scan'208";a="225590062" Received: from labuser-z97x-ud5h.jf.intel.com ([10.54.75.49]) by fmsmga002.fm.intel.com with ESMTP; 15 Oct 2019 16:03:23 -0700 From: Manasi Navare To: intel-gfx@lists.freedesktop.org Date: Tue, 15 Oct 2019 16:05:13 -0700 Message-Id: <20191015230519.15022-1-manasi.d.navare@intel.com> X-Mailer: git-send-email 2.19.1 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v8 0/6] Enable Transcoder port sync for Tiled displays 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: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" This set of patches enables transcoder port sync to synchronize tiled displays across multiple SST DP ports using the master-slave model. This has been tested with kms_dp_tiled_display.c IGT test which validates the page flip synchronization. This set of patches addresses the final set of comments from Ville and Maarten. Manasi Navare (6): drm/i915/display/icl: Save Master transcoder in slave's crtc_state for Transcoder Port Sync drm/i915/display/icl: Enable TRANSCODER PORT SYNC for tiled displays across separate ports drm/i915/display/icl: HW state readout for transcoder port sync config drm/i915/display/icl: Enable master-slaves in trans port sync drm/i915/display/icl: Disable transcoder port sync as part of crtc_disable() sequence drm/i915/display/icl: In port sync mode disable slaves first then master drivers/gpu/drm/i915/display/intel_ddi.c | 3 +- drivers/gpu/drm/i915/display/intel_display.c | 428 +++++++++++++++++- drivers/gpu/drm/i915/display/intel_display.h | 4 + .../drm/i915/display/intel_display_types.h | 6 + 4 files changed, 431 insertions(+), 10 deletions(-)