From patchwork Fri Nov 22 01:26:44 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brian Masney X-Patchwork-Id: 11257517 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 5A4E5138C for ; Fri, 22 Nov 2019 09:01:39 +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 42F0720708 for ; Fri, 22 Nov 2019 09:01:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 42F0720708 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=onstation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A0EAE6F4FB; Fri, 22 Nov 2019 09:01:18 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from onstation.org (onstation.org [52.200.56.107]) by gabe.freedesktop.org (Postfix) with ESMTPS id A1E9D6EF2E; Fri, 22 Nov 2019 01:26:58 +0000 (UTC) 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) From: Brian Masney To: robdclark@gmail.com, sean@poorly.run, robh+dt@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 X-Mailman-Approved-At: Fri, 22 Nov 2019 09:00:44 +0000 X-Mailman-Original-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= X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, airlied@linux.ie, linux-arm-msm@vger.kernel.org, dianders@chromium.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, freedreno@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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 Reviewed-by: Bjorn Andersson --- 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: