From patchwork Thu Nov 18 10:20:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Akhil P Oommen X-Patchwork-Id: 12626507 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 87AB0C433F5 for ; Thu, 18 Nov 2021 10:20:48 +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 5227661ABD for ; Thu, 18 Nov 2021 10:20:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 5227661ABD Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 43E516E934; Thu, 18 Nov 2021 10:20:47 +0000 (UTC) Received: from m43-7.mailgun.net (m43-7.mailgun.net [69.72.43.7]) by gabe.freedesktop.org (Postfix) with ESMTPS id C5CCC6E934 for ; Thu, 18 Nov 2021 10:20:45 +0000 (UTC) DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1637230845; h=Message-Id: Date: Subject: Cc: To: From: Sender; bh=8grzA7wlYzBqRilFeYBvLQm90ydwuJD4YjemvC4tAqw=; b=cFhiWPcDEaORhBONYA12EpGtaY3PhYcEKXChVH+1qw4aqupgoX/q3wSiKkhBD49dQ9ZQaMKU 3Z2kZDn6A8EJ9NprA2xcTCogzEjLXiNZl6PmYZr3qZM4y0Ba5v62oXC90xtFPa5lW1DdQS8j 0qiHIqj+xweO22gAq200G2LQufo= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyJkOTU5ZSIsICJkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n01.prod.us-east-1.postgun.com with SMTP id 619628fced14d5980fd51512 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Thu, 18 Nov 2021 10:20:44 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id BF3FDC43617; Thu, 18 Nov 2021 10:20:43 +0000 (UTC) Received: from hyd-lnxbld559.qualcomm.com (unknown [202.46.22.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: akhilpo) by smtp.codeaurora.org (Postfix) with ESMTPSA id 91F63C4338F; Thu, 18 Nov 2021 10:20:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org 91F63C4338F Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=codeaurora.org From: Akhil P Oommen To: freedreno , dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, Rob Clark Subject: [PATCH 1/4] drm/msm: Increase gpu boost interval Date: Thu, 18 Nov 2021 15:50:29 +0530 Message-Id: <20211118154903.1.I2ed37cd8ad45a5a94d9de53330f973a62bd1fb29@changeid> X-Mailer: git-send-email 2.7.4 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jonathan Marek , David Airlie , linux-kernel@vger.kernel.org, Douglas Anderson , Jordan Crouse , Matthias Kaehlcke , Sean Paul Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Currently, we boost gpu freq after 25ms of inactivity. This regresses some of the 30 fps usecases where the workload on gpu (at 33ms internval) is very small which it can finish at the lowest OPP before the deadline. Lets increase this inactivity threshold to 50ms (same as the current devfreq interval) to fix this. Signed-off-by: Akhil P Oommen --- drivers/gpu/drm/msm/msm_gpu_devfreq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/msm_gpu_devfreq.c b/drivers/gpu/drm/msm/msm_gpu_devfreq.c index d32b729..c4d8920 100644 --- a/drivers/gpu/drm/msm/msm_gpu_devfreq.c +++ b/drivers/gpu/drm/msm/msm_gpu_devfreq.c @@ -178,7 +178,7 @@ void msm_devfreq_active(struct msm_gpu *gpu) * interval, then we won't meet the threshold of busyness for * the governor to ramp up the freq.. so give some boost */ - if (idle_time > msm_devfreq_profile.polling_ms/2) { + if (idle_time > msm_devfreq_profile.polling_ms) { target_freq *= 2; }