From patchwork Wed May 25 21:26:05 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alex Deucher X-Patchwork-Id: 9136219 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 854D76075C for ; Wed, 25 May 2016 21:26:33 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 769F2282C0 for ; Wed, 25 May 2016 21:26:33 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6B862282DA; Wed, 25 May 2016 21:26:33 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.3 required=2.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_MED, RCVD_IN_SORBS_WEB, T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0EE91282C0 for ; Wed, 25 May 2016 21:26:33 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6DB1B6E5C1; Wed, 25 May 2016 21:26:29 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-it0-x244.google.com (mail-it0-x244.google.com [IPv6:2607:f8b0:4001:c0b::244]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5E6FD6EA13 for ; Wed, 25 May 2016 21:26:17 +0000 (UTC) Received: by mail-it0-x244.google.com with SMTP id l63so6909383ita.0 for ; Wed, 25 May 2016 14:26:17 -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=17fK34qtk8u5UineSUt0VMsoUBaJfCh3GvXKqEhHW2g=; b=KOJ7Nj2SoopGxel2/MnXpRGn56jpSeBgZ38gGrIBbDVkPcjAR54O2kxlFEs0v778qi k1I31aRMkd9EcJr4MEe8OOQ23c+XiQRShC0n+5ajg+jhqPpuiirCNGxA6ASvUVpLm+WT VdNHhOZZ7dQqfEDpqcgCHTxgxupb4UFihy2oIzKljI2gjqQq1BTV3O556c5ykDLaHsDB UG8LiafPb2vbHSkJioo+m9HkPeqSuBKd1zPBd+SmV1O9+Pad2u6rPdsjjPiESVx8zafH 6z/5NV/tx55ZxZ2auX6CwGYHgCm5XuE4jSWIJxq7DUe81dXeX6utn68vSrPt3B+DVIar s9Dw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=17fK34qtk8u5UineSUt0VMsoUBaJfCh3GvXKqEhHW2g=; b=Un3NaTxsaEPHaI6Lg7Bkw5eIvdqg1PP6kaXP0pbyStf2BcyeoEQiKiaTcOp27dlW/1 ebUccT4tOVlTaWbk6e76Zl85KuJejziv4e8pWQUwHi4nnIqIuCqwBv1iEpUIeyYl5JDP KRoAYZkpz0M09qLJsvEp+7r6YhmoS9mBn/Vp0FAyYMflhRZYv/O7xQ+brmsHaNiKw17U DnmrSLPvEHZQcZZ13ycSYgUcHIQmCKt1p/Vy0dO2SxxaApMKJAJGOcsF131vO+9O+tJU AYzXZuu8Q2VBSZpW+oGwfmNyxg8RQDHSIhhIBG50u8vQ4EPTn4HqPMVik5Bq4tH2SjCx S7LA== X-Gm-Message-State: ALyK8tKZ5iru3y3D8NOYpnU7fgH4W5jmEdO1GGKRxRIC46G9tAfICndY0v8n6L0blpo86w== X-Received: by 10.36.227.12 with SMTP id d12mr26640ith.49.1464211576334; Wed, 25 May 2016 14:26:16 -0700 (PDT) Received: from cm.amd.com ([165.204.55.251]) by smtp.gmail.com with ESMTPSA id uh8sm23442igb.8.2016.05.25.14.26.15 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 25 May 2016 14:26:15 -0700 (PDT) From: Alex Deucher X-Google-Original-From: Alex Deucher To: dri-devel@lists.freedesktop.org Subject: [PATCH 4/5] drm/amd/powerplay: add mclk OD(overdrive) support for Fiji Date: Wed, 25 May 2016 17:26:05 -0400 Message-Id: <1464211566-31025-5-git-send-email-alexander.deucher@amd.com> X-Mailer: git-send-email 2.5.5 In-Reply-To: <1464211566-31025-1-git-send-email-alexander.deucher@amd.com> References: <1464211566-31025-1-git-send-email-alexander.deucher@amd.com> Cc: Eric Huang , Alex Deucher 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-Virus-Scanned: ClamAV using ClamSMTP From: Eric Huang The maximum OD percentage is 20. Reviewed-by: Alex Deucher Signed-off-by: Eric Huang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c | 44 ++++++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c index 76beaf8..f5df116 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c @@ -5316,6 +5316,48 @@ static int fiji_set_sclk_od(struct pp_hwmgr *hwmgr, uint32_t value) return 0; } +static int fiji_get_mclk_od(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct fiji_single_dpm_table *mclk_table = &(data->dpm_table.mclk_table); + struct fiji_single_dpm_table *golden_mclk_table = + &(data->golden_dpm_table.mclk_table); + int value; + + value = (mclk_table->dpm_levels[mclk_table->count - 1].value - + golden_mclk_table->dpm_levels[golden_mclk_table->count - 1].value) * + 100 / + golden_mclk_table->dpm_levels[golden_mclk_table->count - 1].value; + + return value; +} + +static int fiji_set_mclk_od(struct pp_hwmgr *hwmgr, uint32_t value) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct fiji_single_dpm_table *golden_mclk_table = + &(data->golden_dpm_table.mclk_table); + struct pp_power_state *ps; + struct fiji_power_state *fiji_ps; + + if (value > 20) + value = 20; + + ps = hwmgr->request_ps; + + if (ps == NULL) + return -EINVAL; + + fiji_ps = cast_phw_fiji_power_state(&ps->hardware); + + fiji_ps->performance_levels[fiji_ps->performance_level_count - 1].memory_clock = + golden_mclk_table->dpm_levels[golden_mclk_table->count - 1].value * + value / 100 + + golden_mclk_table->dpm_levels[golden_mclk_table->count - 1].value; + + return 0; +} + static const struct pp_hwmgr_func fiji_hwmgr_funcs = { .backend_init = &fiji_hwmgr_backend_init, .backend_fini = &fiji_hwmgr_backend_fini, @@ -5359,6 +5401,8 @@ static const struct pp_hwmgr_func fiji_hwmgr_funcs = { .print_clock_levels = fiji_print_clock_levels, .get_sclk_od = fiji_get_sclk_od, .set_sclk_od = fiji_set_sclk_od, + .get_mclk_od = fiji_get_mclk_od, + .set_mclk_od = fiji_set_mclk_od, }; int fiji_hwmgr_init(struct pp_hwmgr *hwmgr)