From patchwork Wed Dec 9 15:59:43 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 7809761 Return-Path: X-Original-To: patchwork-linux-fbdev@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 5A5DEBEEE5 for ; Wed, 9 Dec 2015 16:00:39 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9B93A203C1 for ; Wed, 9 Dec 2015 16:00:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AEF6F204AE for ; Wed, 9 Dec 2015 16:00:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752649AbbLIQA1 (ORCPT ); Wed, 9 Dec 2015 11:00:27 -0500 Received: from arroyo.ext.ti.com ([192.94.94.40]:51015 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751867AbbLIQA1 (ORCPT ); Wed, 9 Dec 2015 11:00:27 -0500 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id tB9G0Pcr030709; Wed, 9 Dec 2015 10:00:25 -0600 Received: from DLEE71.ent.ti.com (dlee71.ent.ti.com [157.170.170.114]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id tB9G0P5B029856; Wed, 9 Dec 2015 10:00:25 -0600 Received: from dflp32.itg.ti.com (10.64.6.15) by DLEE71.ent.ti.com (157.170.170.114) with Microsoft SMTP Server id 14.3.224.2; Wed, 9 Dec 2015 10:00:24 -0600 Received: from deskari.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp32.itg.ti.com (8.14.3/8.13.8) with ESMTP id tB9G02KI028647; Wed, 9 Dec 2015 10:00:24 -0600 From: Tomi Valkeinen To: , Laurent Pinchart CC: Tomi Valkeinen Subject: [PATCH 15/23] OMAPDSS: configure WB mflag threshold Date: Wed, 9 Dec 2015 17:59:43 +0200 Message-ID: <1449676791-26304-16-git-send-email-tomi.valkeinen@ti.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1449676791-26304-1-git-send-email-tomi.valkeinen@ti.com> References: <1449676791-26304-1-git-send-email-tomi.valkeinen@ti.com> MIME-Version: 1.0 Sender: linux-fbdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Mflag thresholds for all pipelines are set in dispc_init_mflag(), but we are missing that for WB pipeline. Add WB configuration. Signed-off-by: Tomi Valkeinen --- drivers/video/fbdev/omap2/dss/dispc.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/video/fbdev/omap2/dss/dispc.c b/drivers/video/fbdev/omap2/dss/dispc.c index 22b6e0f3e657..3cd78dcfefc5 100644 --- a/drivers/video/fbdev/omap2/dss/dispc.c +++ b/drivers/video/fbdev/omap2/dss/dispc.c @@ -1384,6 +1384,25 @@ static void dispc_init_mflag(void) dispc_ovl_set_mflag_threshold(i, low, high); } + + if (dispc.feat->has_writeback) { + u32 size = dispc_ovl_get_fifo_size(OMAP_DSS_WB); + u32 unit = dss_feat_get_buffer_size_unit(); + u32 low, high; + + dispc_ovl_set_mflag(OMAP_DSS_WB, true); + + /* + * Simulation team suggests below thesholds: + * HT = fifosize * 5 / 8; + * LT = fifosize * 4 / 8; + */ + + low = size * 4 / 8 / unit; + high = size * 5 / 8 / unit; + + dispc_ovl_set_mflag_threshold(OMAP_DSS_WB, low, high); + } } static void dispc_ovl_set_fir(enum omap_plane plane,