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[2620:137:e000::1:20]) by mx.google.com with ESMTP id k69-20020a638448000000b00542b9f14ca7si412477pgd.24.2023.06.02.11.28.31; Fri, 02 Jun 2023 11:28:43 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20221208 header.b=ng8Zqz9Z; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235751AbjFBSUj (ORCPT + 99 others); Fri, 2 Jun 2023 14:20:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39642 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235519AbjFBSUi (ORCPT ); Fri, 2 Jun 2023 14:20:38 -0400 Received: from mail-oo1-xc35.google.com (mail-oo1-xc35.google.com [IPv6:2607:f8b0:4864:20::c35]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CB92610F4 for ; Fri, 2 Jun 2023 11:20:11 -0700 (PDT) Received: by mail-oo1-xc35.google.com with SMTP id 006d021491bc7-5585f2f070bso1674321eaf.0 for ; Fri, 02 Jun 2023 11:20:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1685729995; x=1688321995; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=ruVVANUt1rkl2YltnY0VMnFPVn2MSLuHPa/KLfddOQI=; b=ng8Zqz9Z1hgelGexfypABP0OmFAOwn+FoLkBQJd5NubPZMrM6+uBJiBoyyxH4BOvos gXUAg+J0ixJRyACe9gc/XHgRTcbbWfpjreSweek+yLKHG82udvA4jS53ng3vPPCWF8cb 2OfIRljPQApekAOT8I34NH4XTqPFUd6e6E5T8xcPtWFzh7UVhD+xQOgjurqNeqon9rI2 Iedhm67TNOQxmGvOkuZzEuB/uLn7dHAn61ZCELCGpyZ10nVhPtnrW2+jBYP1DvMJJ3tZ 0STizNX+zxJ6L/pz1Vuay0HpvBCbA30MautyELFz6Wuw8OcdP8fFvcobTW5fOrF1LB+O L1OA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685729995; x=1688321995; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ruVVANUt1rkl2YltnY0VMnFPVn2MSLuHPa/KLfddOQI=; b=R219ssyEJSh15iT77wKKZCG+i73GETw06hxEWZtOe502N5W5SYqdX1BWsHnOdKR+0h 5lGhj/1bjNyrrIvZcu5X35J8kxCu3LKQtG3kF44GGLw5FAqmsJhre8bfChrq1VABFftB ipCHolatwlPVGxEJSbyOsaGIJoa/3T8tAzupwlADfaJmez7qytnggZbw9q0fLqqkFwn8 X5l32u+QFveaTXlLv8KrkZIkmggrS0vDIAYYvLT+18B5k01/0OIfqMjQMxLU94NdGtQH 2GS/etJbrFCxmQUx52dTOnJQplqYgcH08/al9544KM4IGL10gDypNOISoLABMq61Ze01 P2Dg== X-Gm-Message-State: AC+VfDxyUAZ3OKpWbj/UjGhzB5DZDkuG6xsVtYNnQlF0JUZgyrNpmRJu A3paVLSuBg31rBYmaVQGNa9preDVTUfeKHIpP8k= X-Received: by 2002:a4a:45c7:0:b0:555:991b:b340 with SMTP id y190-20020a4a45c7000000b00555991bb340mr7608913ooa.6.1685729995619; Fri, 02 Jun 2023 11:19:55 -0700 (PDT) MIME-Version: 1.0 References: <20230601214814.2329224-1-olvaffe@gmail.com> In-Reply-To: <20230601214814.2329224-1-olvaffe@gmail.com> From: Alex Deucher Date: Fri, 2 Jun 2023 14:19:43 -0400 Message-ID: Subject: Re: [PATCH] drm/amdgpu: fix xclk freq on CHIP_STONEY To: Chia-I Wu Cc: dri-devel@lists.freedesktop.org, "Pan, Xinhui" , linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, Le Ma , Kai-Heng Feng , Mario Limonciello , Daniel Vetter , Alex Deucher , Likun Gao , David Airlie , =?UTF-8?Q?Christian_K=C3=B6nig?= , Hawking Zhang Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Applied. Thanks! Alex On Thu, Jun 1, 2023 at 5:48=E2=80=AFPM Chia-I Wu wrote: > > According to Alex, most APUs from that time seem to have the same issue > (vbios says 48Mhz, actual is 100Mhz). I only have a CHIP_STONEY so I > limit the fixup to CHIP_STONEY > --- > drivers/gpu/drm/amd/amdgpu/vi.c | 11 +++++++++-- > 1 file changed, 9 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu= /vi.c > index 770f2d7a371fc..6a8494f98d3ef 100644 > --- a/drivers/gpu/drm/amd/amdgpu/vi.c > +++ b/drivers/gpu/drm/amd/amdgpu/vi.c > @@ -542,8 +542,15 @@ static u32 vi_get_xclk(struct amdgpu_device *adev) > u32 reference_clock =3D adev->clock.spll.reference_freq; > u32 tmp; > > - if (adev->flags & AMD_IS_APU) > - return reference_clock; > + if (adev->flags & AMD_IS_APU) { > + switch (adev->asic_type) { > + case CHIP_STONEY: > + /* vbios says 48Mhz, but the actual freq is 100Mh= z */ > + return 10000; > + default: > + return reference_clock; > + } > + } > > tmp =3D RREG32_SMC(ixCG_CLKPIN_CNTL_2); > if (REG_GET_FIELD(tmp, CG_CLKPIN_CNTL_2, MUX_TCLK_TO_XCLK)) > -- > 2.41.0.rc0.172.g3f132b7071-goog >