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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 53061C432C0 for ; Fri, 22 Nov 2019 01:27:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1EA4D2068D for ; Fri, 22 Nov 2019 01:27:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=onstation.org header.i=@onstation.org header.b="TTtFu67d" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726852AbfKVB1J (ORCPT ); Thu, 21 Nov 2019 20:27:09 -0500 Received: from onstation.org ([52.200.56.107]:33778 "EHLO onstation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726705AbfKVB06 (ORCPT ); Thu, 21 Nov 2019 20:26:58 -0500 Received: from localhost.localdomain (c-98-239-145-235.hsd1.wv.comcast.net [98.239.145.235]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: masneyb) by onstation.org (Postfix) with ESMTPSA id B635A4FE48; Fri, 22 Nov 2019 01:26:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=onstation.org; s=default; t=1574386018; bh=fYnaunSzeUztsvg24uhUc/JRPip4E9qdhSh557hA/nU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TTtFu67dU3/KFQBtae+aBO0uLSAzgTr5FnJE+GZBdaoiarPaUndLiOBzZrOc2fvJO i69TN56y014l8kJYpBlMiVBKlaD8RDYEGANKpX+tBfGWaPBmEhX+z5MzVUfN61bd6X JRkOkA/CyORl2IfXmK7/7u1/nFDK2cXMNw0I3gqQ= From: Brian Masney To: robdclark@gmail.com, sean@poorly.run, robh+dt@kernel.org Cc: airlied@linux.ie, daniel@ffwll.ch, jcrouse@codeaurora.org, dianders@chromium.org, linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, mark.rutland@arm.com, devicetree@vger.kernel.org Subject: [PATCH v2 3/4] drm/msm/a3xx: set interconnect bandwidth vote Date: Thu, 21 Nov 2019 20:26:44 -0500 Message-Id: <20191122012645.7430-4-masneyb@onstation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191122012645.7430-1-masneyb@onstation.org> References: <20191122012645.7430-1-masneyb@onstation.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Set the two interconnect paths for the GPU to maximum speed for now to work towards getting the GPU working upstream. We can revisit a later time to optimize this for battery life. Signed-off-by: Brian Masney --- drivers/gpu/drm/msm/adreno/a3xx_gpu.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/gpu/drm/msm/adreno/a3xx_gpu.c b/drivers/gpu/drm/msm/adreno/a3xx_gpu.c index 07ddcc529573..eff0ecd4e81a 100644 --- a/drivers/gpu/drm/msm/adreno/a3xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a3xx_gpu.c @@ -504,6 +504,14 @@ struct msm_gpu *a3xx_gpu_init(struct drm_device *dev) DRM_DEV_ERROR(dev->dev, "No memory protection without IOMMU\n"); } + /* + * Set the ICC path to maximum speed for now by multiplying the fastest + * frequency by the bus width (8). We'll want to scale this later on to + * improve battery life. + */ + icc_set_bw(gpu->icc_path, 0, Bps_to_icc(gpu->fast_rate) * 8); + icc_set_bw(gpu->ocmem_icc_path, 0, Bps_to_icc(gpu->fast_rate) * 8); + return gpu; fail: -- 2.21.0