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=-6.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 873B2C43387 for ; Tue, 18 Dec 2018 16:43:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 57D0121873 for ; Tue, 18 Dec 2018 16:43:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1545151406; bh=UBuslzNd7v3INW0ZFRzNMgqgxw4ruLoreWaV//tSies=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=EWL19/5vCmBsASzCOv5h8NISN2UtGLZ3pBfhwgenhYmoigWawvNnY7hDPzNPjnA0D vUhzATwamPQvmVjhSSD+jbDeKRrRGA/NP7zK9KxgPNaY7TE9qS7C1FBjF6iD6ovNuU L8vZ5XMSzi72AKGgJmgxYsjQunlgNP8yUBxVqCBw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727769AbeLRQnZ (ORCPT ); Tue, 18 Dec 2018 11:43:25 -0500 Received: from mail.kernel.org ([198.145.29.99]:38994 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727522AbeLRQla (ORCPT ); Tue, 18 Dec 2018 11:41:30 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id E67E821873; Tue, 18 Dec 2018 16:41:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1545151289; bh=UBuslzNd7v3INW0ZFRzNMgqgxw4ruLoreWaV//tSies=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SXF2pBLYxYRSiT28+OJKQ6DEOqcVFMOldbvdsHFWECWuRQPeEMMDPEk7BRZ+gy/m9 4oUO7Jxs30jva+suuUc6lGPCezeEvVPLBc/VTQ/he/6yHtl01xMlTESqps3APs99xb jn9DxjbheuO9+O44njIuB9RlCrZwV5yPqjWzrJos= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Kenneth Feng , Alex Deucher Subject: [PATCH 4.19 38/44] drm/amdgpu/powerplay: Apply avfs cks-off voltages on VI Date: Tue, 18 Dec 2018 17:39:50 +0100 Message-Id: <20181218163931.864429214@linuxfoundation.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20181218163927.119623235@linuxfoundation.org> References: <20181218163927.119623235@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Kenneth Feng commit cf4197ed5796234a53beb71228198c7d1e678947 upstream. Instead of EVV cks-off voltages, avfs cks-off voltages can avoid the overshoot voltages when switching sclk. Signed-off-by: Kenneth Feng Acked-by: Alex Deucher Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/powerplay/inc/smu7_ppsmc.h | 2 ++ drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c | 6 ++++++ 2 files changed, 8 insertions(+) --- a/drivers/gpu/drm/amd/powerplay/inc/smu7_ppsmc.h +++ b/drivers/gpu/drm/amd/powerplay/inc/smu7_ppsmc.h @@ -386,6 +386,8 @@ typedef uint16_t PPSMC_Result; #define PPSMC_MSG_AgmResetPsm ((uint16_t) 0x403) #define PPSMC_MSG_ReadVftCell ((uint16_t) 0x404) +#define PPSMC_MSG_ApplyAvfsCksOffVoltage ((uint16_t) 0x415) + #define PPSMC_MSG_GFX_CU_PG_ENABLE ((uint16_t) 0x280) #define PPSMC_MSG_GFX_CU_PG_DISABLE ((uint16_t) 0x281) #define PPSMC_MSG_GetCurrPkgPwr ((uint16_t) 0x282) --- a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c +++ b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c @@ -1984,6 +1984,12 @@ int polaris10_thermal_avfs_enable(struct smum_send_msg_to_smc(hwmgr, PPSMC_MSG_EnableAvfs); + /* Apply avfs cks-off voltages to avoid the overshoot + * when switching to the highest sclk frequency + */ + if (data->apply_avfs_cks_off_voltage) + smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ApplyAvfsCksOffVoltage); + return 0; }