From patchwork Fri Oct 31 22:54:55 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steve Longerbeam X-Patchwork-Id: 5207851 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 66D10C11AD for ; Fri, 31 Oct 2014 23:57:40 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 96F852010E for ; Fri, 31 Oct 2014 23:57:39 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id A7E89201C0 for ; Fri, 31 Oct 2014 23:57:38 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0459F6E8A3; Fri, 31 Oct 2014 16:57:00 -0700 (PDT) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-pa0-f48.google.com (mail-pa0-f48.google.com [209.85.220.48]) by gabe.freedesktop.org (Postfix) with ESMTP id 4E26A898E1 for ; Fri, 31 Oct 2014 15:57:48 -0700 (PDT) Received: by mail-pa0-f48.google.com with SMTP id ey11so8579529pad.21 for ; Fri, 31 Oct 2014 15:57:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=I+0Xb+SHnlVgY/3SgSstch9kjpRchXm2gCgojkB03NA=; b=MQdiVAtdC/DeHJVFdax65YIBx3uJE2jnyJb1+Md90twrWPHeBSNCDgHJ8ltzK8toH9 g9nIAHorqllMpaBxC+UxiOnYJ2Eryc1ZjO0xuTlJlAo+KhSXeyWJQOri9mUp1TnfyQKr Qd/uOiHrlaiYF05EBNSJAGO9defqmjiIPOwSL6v/AWfjg5EihZl0mZ9GDdO1ZbXZRuLn 4V89Ms7KvnoT1Vn9QY+IwZ88leJycsHoa7cPZAmlKMG7A+IODTGy1z6nZu6yww7NaFjv RPNdOIdf4W1HwL3My5bioZtcXyDMUkdpPgeW+V0d1oJY7cyNU/bp4gd9APSSGzW7fbnV n1Pw== X-Received: by 10.68.226.226 with SMTP id rv2mr27796365pbc.77.1414796268210; Fri, 31 Oct 2014 15:57:48 -0700 (PDT) Received: from mothership.mgc.mentorg.com (c-50-152-159-227.hsd1.ca.comcast.net. [50.152.159.227]) by mx.google.com with ESMTPSA id ev8sm10870656pdb.28.2014.10.31.15.57.47 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 31 Oct 2014 15:57:47 -0700 (PDT) From: Steve Longerbeam X-Google-Original-From: Steve Longerbeam To: dri-devel@lists.freedesktop.org Subject: [PATCH 72/72] imx-drm: ipuv3-plane: Enable 8 burst locking Date: Fri, 31 Oct 2014 15:54:55 -0700 Message-Id: <1414796095-10107-73-git-send-email-steve_longerbeam@mentor.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1414796095-10107-1-git-send-email-steve_longerbeam@mentor.com> References: <1414796095-10107-1-git-send-email-steve_longerbeam@mentor.com> X-Mailman-Approved-At: Fri, 31 Oct 2014 16:56:32 -0700 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Spam-Status: No, score=-4.7 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, T_DKIM_INVALID, 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 Enable 8 burst locking in the primary and overlay plane idmac channels. This seems to improve some cases of data starvation errors to the DI. Signed-off-by: Steve Longerbeam --- drivers/staging/imx-drm/ipuv3-plane.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/staging/imx-drm/ipuv3-plane.c b/drivers/staging/imx-drm/ipuv3-plane.c index c012c4e..5849b30 100644 --- a/drivers/staging/imx-drm/ipuv3-plane.c +++ b/drivers/staging/imx-drm/ipuv3-plane.c @@ -273,6 +273,7 @@ int ipu_plane_mode_set(struct ipu_plane *ipu_plane, struct drm_crtc *crtc, fb->pitches[0], crtc_h); ipu_cpmem_set_high_priority(ipu_plane->ipu_ch); + ipu_idmac_lock_enable(ipu_plane->ipu_ch, 8); burstsize = ipu_cpmem_get_burstsize(ipu_plane->ipu_ch);