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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D0370CCA490 for ; Tue, 7 Jun 2022 18:06:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1350208AbiFGSF3 (ORCPT ); Tue, 7 Jun 2022 14:05:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33212 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1351545AbiFGSCI (ORCPT ); Tue, 7 Jun 2022 14:02:08 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8BE18154B26; Tue, 7 Jun 2022 10:44:51 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 247B860C7C; Tue, 7 Jun 2022 17:44:51 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 35552C34119; Tue, 7 Jun 2022 17:44:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1654623890; bh=BrmU2q/cxigeabEKhzsjzIcdbxKZm27SnJIADA1gcgo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KwDORkGfFGqYSHv0c91Af5paRoTlfvstkhup+aDaiGd7U1ZrsGaLNS8SE1WjboYEi K73U2Ccn7BogMZ2CNBF/nSs5j3b/3Wvjl4TTe+VX/o9ecNhXAiSTBMZ8+jAZQynAyP QKE2TETp5IMjuMkcK/1ytLAfhWkLyFfroqKgM8do= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Sathishkumar S , Lijo Lazar , Alex Deucher , Sasha Levin Subject: [PATCH 5.15 127/667] drm/amd/pm: update smartshift powerboost calc for smu12 Date: Tue, 7 Jun 2022 18:56:32 +0200 Message-Id: <20220607164938.635222750@linuxfoundation.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220607164934.766888869@linuxfoundation.org> References: <20220607164934.766888869@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Sathishkumar S [ Upstream commit 138292f1dc00e7e0724f44769f9da39cf2f3bf0b ] smartshift apu and dgpu power boost are reported as percentage with respect to their power limits. This value[0-100] reflects the boost for the respective device. Signed-off-by: Sathishkumar S Reviewed-by: Lijo Lazar Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- .../gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c | 60 ++++++++++++++----- 1 file changed, 44 insertions(+), 16 deletions(-) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c index 145f13b8c977..138466081875 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c @@ -1127,6 +1127,39 @@ static int renoir_get_power_profile_mode(struct smu_context *smu, return size; } +static void renoir_get_ss_power_percent(SmuMetrics_t *metrics, + uint32_t *apu_percent, uint32_t *dgpu_percent) +{ + uint32_t apu_boost = 0; + uint32_t dgpu_boost = 0; + uint16_t apu_limit = 0; + uint16_t dgpu_limit = 0; + uint16_t apu_power = 0; + uint16_t dgpu_power = 0; + + apu_power = metrics->ApuPower; + apu_limit = metrics->StapmOriginalLimit; + if (apu_power > apu_limit && apu_limit != 0) + apu_boost = ((apu_power - apu_limit) * 100) / apu_limit; + apu_boost = (apu_boost > 100) ? 100 : apu_boost; + + dgpu_power = metrics->dGpuPower; + if (metrics->StapmCurrentLimit > metrics->StapmOriginalLimit) + dgpu_limit = metrics->StapmCurrentLimit - metrics->StapmOriginalLimit; + if (dgpu_power > dgpu_limit && dgpu_limit != 0) + dgpu_boost = ((dgpu_power - dgpu_limit) * 100) / dgpu_limit; + dgpu_boost = (dgpu_boost > 100) ? 100 : dgpu_boost; + + if (dgpu_boost >= apu_boost) + apu_boost = 0; + else + dgpu_boost = 0; + + *apu_percent = apu_boost; + *dgpu_percent = dgpu_boost; +} + + static int renoir_get_smu_metrics_data(struct smu_context *smu, MetricsMember_t member, uint32_t *value) @@ -1135,6 +1168,9 @@ static int renoir_get_smu_metrics_data(struct smu_context *smu, SmuMetrics_t *metrics = (SmuMetrics_t *)smu_table->metrics_table; int ret = 0; + uint32_t apu_percent = 0; + uint32_t dgpu_percent = 0; + mutex_lock(&smu->metrics_lock); @@ -1183,26 +1219,18 @@ static int renoir_get_smu_metrics_data(struct smu_context *smu, *value = metrics->Voltage[1]; break; case METRICS_SS_APU_SHARE: - /* return the percentage of APU power with respect to APU's power limit. - * percentage is reported, this isn't boost value. Smartshift power - * boost/shift is only when the percentage is more than 100. + /* return the percentage of APU power boost + * with respect to APU's power limit. */ - if (metrics->StapmOriginalLimit > 0) - *value = (metrics->ApuPower * 100) / metrics->StapmOriginalLimit; - else - *value = 0; + renoir_get_ss_power_percent(metrics, &apu_percent, &dgpu_percent); + *value = apu_percent; break; case METRICS_SS_DGPU_SHARE: - /* return the percentage of dGPU power with respect to dGPU's power limit. - * percentage is reported, this isn't boost value. Smartshift power - * boost/shift is only when the percentage is more than 100. + /* return the percentage of dGPU power boost + * with respect to dGPU's power limit. */ - if ((metrics->dGpuPower > 0) && - (metrics->StapmCurrentLimit > metrics->StapmOriginalLimit)) - *value = (metrics->dGpuPower * 100) / - (metrics->StapmCurrentLimit - metrics->StapmOriginalLimit); - else - *value = 0; + renoir_get_ss_power_percent(metrics, &apu_percent, &dgpu_percent); + *value = dgpu_percent; break; default: *value = UINT_MAX; -- 2.35.1