From nobody Tue Sep 9 22:29:56 2025 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 A31B8EB64DA for ; Thu, 15 Jun 2023 23:23:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240415AbjFOXXZ (ORCPT ); Thu, 15 Jun 2023 19:23:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46600 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240288AbjFOXWM (ORCPT ); Thu, 15 Jun 2023 19:22:12 -0400 Received: from mail-lf1-x12d.google.com (mail-lf1-x12d.google.com [IPv6:2a00:1450:4864:20::12d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C3E1730F3 for ; Thu, 15 Jun 2023 16:21:48 -0700 (PDT) Received: by mail-lf1-x12d.google.com with SMTP id 2adb3069b0e04-4f4b2bc1565so11307535e87.2 for ; Thu, 15 Jun 2023 16:21:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1686871307; x=1689463307; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=bYVg5xWLgAw8ObPKuarwHrvQ8MbLRWVq3Hh2y66RuC0=; b=itrD0BtgTqh/hrdK7JoqVEhInsJX5xlPkjyH3iWs4fsesWXjXeFux5kPxjwoBxdA9h AlCi/gFKU+7i6M8N/y9JtJrcz9WnR50EYjea87OeCJy/BHLIcw5K2d4KkMVKWBDWEI5r w5Numc3CkC3nEB1aKUOclOwd2LvS6sBmTXPEpigZhJDtCsHvM0uj12mUWpjMyEiv69dr cFReB/eFRIks+KFmgv+8Pw8Y7NurVwWPlkcFnBAchfBRdLH+ERmw6ar6F8jKZWu5WKJE B1EmThmuNuwcqkZyQpJ5DsFrE48QjjRcxge6ciPfXfBaknRpbmY1oBe9MxZZTjNDaTtb bFMQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686871307; x=1689463307; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=bYVg5xWLgAw8ObPKuarwHrvQ8MbLRWVq3Hh2y66RuC0=; b=JPVIna7Ww2+MixjxwrlwMkWO94B5B/XNPp0MV7O5Q06L0IlhKMHmIkQnRv5X04JMJ9 qP1qDdmzsKvEbvmT6j7SlD2Lcu+5Mq1Ehh8pRBnQs8RmYKHSqXx5mqB7f5kCgP1Wj5PF pQ6U7bLx3Pi9dx6y2Fk+rwVM81k2YlM6o7g2Snw23uPXnM6GVZ+3/sF58wnFRlmpt1Ze QcnQHROO39IowhvwwelQyy61K7uAf+tB7G6P427hWnCs4cosYliZVkSkrhYEdjmeyHYp 3O6sANFsnpWZ3fN76BqsPmjdlLbcAwd2/Msa+hCFQB8RtdiJ9E7KqiDr+Iur9JzP47TV VGqg== X-Gm-Message-State: AC+VfDyyUD09SA+EBK7S6mejL3O6saB2R9NEeXsJAROSwz49kENmZna9 9FUCMwybYkpjOBLGZtGqY17T7A== X-Google-Smtp-Source: ACHHUZ6w6RF6n9HK1f1WuQMH+vYnBy57Yg9QjeE9N1JkSjR0N7RmOTNO+MYVTCryzpH0E/lj51deTQ== X-Received: by 2002:ac2:4982:0:b0:4f6:4616:9f68 with SMTP id f2-20020ac24982000000b004f646169f68mr110832lfl.38.1686871307097; Thu, 15 Jun 2023 16:21:47 -0700 (PDT) Received: from [192.168.1.101] (abyj190.neoplus.adsl.tpnet.pl. [83.9.29.190]) by smtp.gmail.com with ESMTPSA id u25-20020a056512041900b004f24ee39661sm2744852lfk.137.2023.06.15.16.21.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 15 Jun 2023 16:21:46 -0700 (PDT) From: Konrad Dybcio Date: Fri, 16 Jun 2023 01:21:00 +0200 Subject: [PATCH v9 19/20] drm/msm/a6xx: Add A619_holi speedbin support MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20230223-topic-gmuwrapper-v9-19-890d8f470c8b@linaro.org> References: <20230223-topic-gmuwrapper-v9-0-890d8f470c8b@linaro.org> In-Reply-To: <20230223-topic-gmuwrapper-v9-0-890d8f470c8b@linaro.org> To: Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Bjorn Andersson , Konrad Dybcio , Akhil P Oommen , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Rob Clark , Marijn Suijten , Konrad Dybcio X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1686871277; l=2089; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=NX9ATH/Ev8PlZhCVhECzg9N+SgoP/jwCI/pQ0YNJQOY=; b=YrJ5CN8SWgMcflHDAkdH4AO6i2fC6lh3OlFqiDjWhiSOCXFO3qusmmxcSIxOKmmAc/apeUeP7 kpCV/GnTH9pAV0Son2yVEiFfcmldMHDzlXfXs2vLVHKp0dlfI7MgkU5 X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org A619_holi is implemented on at least two SoCs: SM4350 (holi) and SM6375 (blair). This is what seems to be a first occurrence of this happening, but it's easy to overcome by guarding the SoC-specific fuse values with of_machine_is_compatible(). Do just that to enable frequency limiting on these SoCs. Reviewed-by: Dmitry Baryshkov Reviewed-by: Akhil P Oommen Signed-off-by: Konrad Dybcio --- drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/ad= reno/a6xx_gpu.c index d7139eae0f73..ff9a8d342c77 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -2216,6 +2216,34 @@ static u32 a618_get_speed_bin(u32 fuse) return UINT_MAX; } =20 +static u32 a619_holi_get_speed_bin(u32 fuse) +{ + /* + * There are (at least) two SoCs implementing A619_holi: SM4350 (holi) + * and SM6375 (blair). Limit the fuse matching to the corresponding + * SoC to prevent bogus frequency setting (as improbable as it may be, + * given unexpected fuse values are.. unexpected! But still possible.) + */ + + if (fuse =3D=3D 0) + return 0; + + if (of_machine_is_compatible("qcom,sm4350")) { + if (fuse =3D=3D 138) + return 1; + else if (fuse =3D=3D 92) + return 2; + } else if (of_machine_is_compatible("qcom,sm6375")) { + if (fuse =3D=3D 190) + return 1; + else if (fuse =3D=3D 177) + return 2; + } else + pr_warn("Unknown SoC implementing A619_holi!\n"); + + return UINT_MAX; +} + static u32 a619_get_speed_bin(u32 fuse) { if (fuse =3D=3D 0) @@ -2276,6 +2304,9 @@ static u32 fuse_to_supp_hw(struct device *dev, struct= adreno_gpu *adreno_gpu, u3 if (adreno_is_a618(adreno_gpu)) val =3D a618_get_speed_bin(fuse); =20 + else if (adreno_is_a619_holi(adreno_gpu)) + val =3D a619_holi_get_speed_bin(fuse); + else if (adreno_is_a619(adreno_gpu)) val =3D a619_get_speed_bin(fuse); =20 --=20 2.41.0