From patchwork Wed Mar 31 14:02:23 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 12175491 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 57297C433ED for ; Wed, 31 Mar 2021 14:03:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 15A9860FDB for ; Wed, 31 Mar 2021 14:03:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235758AbhCaOCi (ORCPT ); Wed, 31 Mar 2021 10:02:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39910 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235630AbhCaOC0 (ORCPT ); Wed, 31 Mar 2021 10:02:26 -0400 Received: from mail-lj1-x234.google.com (mail-lj1-x234.google.com [IPv6:2a00:1450:4864:20::234]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3546DC061574 for ; Wed, 31 Mar 2021 07:02:26 -0700 (PDT) Received: by mail-lj1-x234.google.com with SMTP id u9so23949299ljd.11 for ; Wed, 31 Mar 2021 07:02:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=MuZeoVHEvpr+twaPQswyeU0R2hfnHxepbRcYA7KH75o=; b=l2L1151wnl4+sV7aqaC0RpYZ079X1QdGAxyQCBF1iuFD7wABWyAUSHIto1S6x+Wo2f jhdUJCof/A4cyK5X1JqLk2kJRYHYt9cWaasAfERA2gpRvfvxL0yo/d8mamjt7+WVUEi6 XLstzAle4OxKEzzYhB+4xIpBQhT620M7p6lO9aILLRyMqZIuBC9KVR4P7R7hAqXlVkCd GwkSNnDzCUMJRaP0YPlh78rEjATEpy4b8ykGhenOQGgvzQ1FFrRBA5idJNbTEkl2sIZ8 xO4nEIK7CWmmi1iX/DzFy0qHrpHOGAgKHPVqUFFGn3lg4BkEaEePuvZCnTbHe6Lrd57k o8TA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=MuZeoVHEvpr+twaPQswyeU0R2hfnHxepbRcYA7KH75o=; b=N7CRn30ZjCN3crDpbvPB22rE7DkUIY7gIexUhXfKNf4s8v4gpNuA/9/22EQwUK8Fti tjD2nS9zclg6TaQ3xiBP9mTsINkFYgH6MY96/BRAD7UqEoYQKyK2UFMltUv6zMJb5e3T WOjWRQJ7hxCyIU9a8Plu8tgd8AvgiWLsWMh0kO8Qoc+PNqfuvDZFxxIXoGqlpbhnXlIm gLMsARqvU5agAMCoYW/Q/MbUKpQ8FYyEt+3w1/nfwLtTfAYfiyQGf5CLnSgShzObuUZI K54+2IlhjvABRYt1cwNHFsAZhEIk7O9RKt48t9VbhO0AE4BYpx0XlFpF7jVOYvpqOYzw RLxg== X-Gm-Message-State: AOAM532rWBD54nQRuQV6VHCEeuGLnUlDOB15JgMSzB7fO5qs34FT+N6k mj31oSy/wKENiIwZlxDQ7N/Vl99OS5u1Ig== X-Google-Smtp-Source: ABdhPJy8Mbo2B65joihqEln2ts8luLCR7ANP31lGLObFfH8jrCzNlaIxSnlSSk2VBmLQqc2BJBl2lA== X-Received: by 2002:a2e:320c:: with SMTP id y12mr2250115ljy.360.1617199344558; Wed, 31 Mar 2021 07:02:24 -0700 (PDT) Received: from eriador.lan ([37.153.55.125]) by smtp.gmail.com with ESMTPSA id r123sm245033lff.27.2021.03.31.07.02.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 31 Mar 2021 07:02:24 -0700 (PDT) From: Dmitry Baryshkov To: Rob Clark , Sean Paul , Jonathan Marek Cc: Stephen Boyd , David Airlie , Daniel Vetter , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, Akhil P Oommen , Jordan Crouse Subject: [PATCH] drm/msm: a6xx: fix version check for the A650 SQE microcode Date: Wed, 31 Mar 2021 17:02:23 +0300 Message-Id: <20210331140223.3771449-1-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org I suppose the microcode version check for a650 is incorrect. It checks for the version 1.95, while the firmware released have major version of 0: 0.91 (vulnerable), 0.99 (fixing the issue). Lower version requirements to accept firmware 0.99. Fixes: 8490f02a3ca4 ("drm/msm: a6xx: Make sure the SQE microcode is safe") Cc: Akhil P Oommen Cc: Jordan Crouse Signed-off-by: Dmitry Baryshkov Acked-by: Jordan Crouse --- drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index cb2df8736ca8..896b47dc9c85 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -567,17 +567,17 @@ static bool a6xx_ucode_check_version(struct a6xx_gpu *a6xx_gpu, } else { /* * a650 tier targets don't need whereami but still need to be - * equal to or newer than 1.95 for other security fixes + * equal to or newer than 0.95 for other security fixes */ if (adreno_is_a650(adreno_gpu)) { - if ((buf[0] & 0xfff) >= 0x195) { + if ((buf[0] & 0xfff) >= 0x095) { ret = true; goto out; } DRM_DEV_ERROR(&gpu->pdev->dev, "a650 SQE ucode is too old. Have version %x need at least %x\n", - buf[0] & 0xfff, 0x195); + buf[0] & 0xfff, 0x095); } /*