From nobody Sat Feb 7 04:13:50 2026 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 F0B8DC4321E for ; Fri, 2 Dec 2022 11:53:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233400AbiLBLxM (ORCPT ); Fri, 2 Dec 2022 06:53:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40928 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233042AbiLBLwq (ORCPT ); Fri, 2 Dec 2022 06:52:46 -0500 Received: from mail-ed1-x534.google.com (mail-ed1-x534.google.com [IPv6:2a00:1450:4864:20::534]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1547F2A961 for ; Fri, 2 Dec 2022 03:52:44 -0800 (PST) Received: by mail-ed1-x534.google.com with SMTP id s5so6104952edc.12 for ; Fri, 02 Dec 2022 03:52:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:sender:from:to:cc:subject:date :message-id:reply-to; bh=NbApf1anPXhkyL1eMhU3x4CauZkX++vBii8PykYLja0=; b=Zaz1ET+G1SWchZ+VgoJoMcRplKphEziazSa2ThOiA/jFoSYOSbYC/0JWmbk7indYGE ZNKMyOgAmUOqNDEv9TUk/yPiJfFZkIKOcnLiuk7lFX+eXBoL6pMBgUrEf3KpCCqeJ/qo 5exqrQ1zKJlL05VIAa7DhkMb1bOyy9MePplKkiSQQh12oUA/OthYWtBMqG8Y/Fm2BMyi WlMKCLlUyCo+9gj9XV4nNWp1GoeRH4V3xkcy4dssda4Ap2EKC4gQoaH6o6deopLDVDPl 2YjPZ0RBftgHbuCkasZZbFvPihe9aeRTPIU1M+nLd/Ccoj7JLw1YSDnIs/jDREcL/5yG siUw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:sender:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=NbApf1anPXhkyL1eMhU3x4CauZkX++vBii8PykYLja0=; b=Yv9q1AxZLP9s3ai8THmy5NhkaLU98+A2u/kjbQ2aCZMb3CfGOU6tJZ7O1FmX+rDGKL aJTfs84MrnLpczAMH8bFpiVQQ+ndET4chkNRL0aiw8FudUQzPoogWVKLIOv/p8oSv53W 4fLoJoW94kBUbJzGy0tg7R0h0qiyH7722sZbXM+bbU4sjRyHWfLcw2B9B5O146EiDBPu 9Z8Ycz2/mTOCtUbILsnLMP33OzgkAB+mKwTOJd19o0PmU+0rbaBOl1nLmDyLRJNAFhCg qLkgHpoJj87sG7FiIAcmteuTKu726VTx0fXwGqPzZLx0HIssf3rWN94C7JRI3mtsom8A hTvw== X-Gm-Message-State: ANoB5pmV2tHasZySYDVg/REuDJf/6kCYlWkbktTLkiEOFmMtj6OHq7ez 8Vh6F89NB+3DwOGyc39xjm8= X-Google-Smtp-Source: AA0mqf5u8WJUjMkgmdOQWN0p+3lPuMNPUEsyeQq7hpK3juNAdPo9O2CUMmzQw/QKtlOmoJlwzM+H5w== X-Received: by 2002:a05:6402:2404:b0:467:67e1:ca61 with SMTP id t4-20020a056402240400b0046767e1ca61mr12816866eda.27.1669981963506; Fri, 02 Dec 2022 03:52:43 -0800 (PST) Received: from cizrna.home (cst-prg-44-69.cust.vodafone.cz. [46.135.44.69]) by smtp.gmail.com with ESMTPSA id ha7-20020a170906a88700b007c0bb571da5sm1206762ejb.41.2022.12.02.03.52.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Dec 2022 03:52:43 -0800 (PST) Sender: Tomeu Vizoso From: Tomeu Vizoso Cc: italonicola@collabora.com, Tomeu Vizoso , Lucas Stach , Russell King , Christian Gmeiner , David Airlie , Daniel Vetter , etnaviv@lists.freedesktop.org (moderated list:DRM DRIVERS FOR VIVANTE GPU IP), dri-devel@lists.freedesktop.org (open list:DRM DRIVERS FOR VIVANTE GPU IP), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v6 6/8] drm/etnaviv: Warn when probing on NPUs Date: Fri, 2 Dec 2022 12:52:18 +0100 Message-Id: <20221202115223.39051-7-tomeu.vizoso@collabora.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221202115223.39051-1-tomeu.vizoso@collabora.com> References: <20221202115223.39051-1-tomeu.vizoso@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Userspace is still not making full use of the hardware, so we don't know yet if changes to the UAPI won't be needed. Warn about it. Signed-off-by: Tomeu Vizoso --- drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnavi= v/etnaviv_gpu.c index 37018bc55810..3cbc82bbf8d4 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c @@ -765,6 +765,10 @@ int etnaviv_gpu_init(struct etnaviv_gpu *gpu) goto fail; } =20 + if (gpu->identity.nn_core_count > 0) + dev_warn(gpu->dev, "etnaviv has been instantiated on a NPU, " + "for which the UAPI is still experiment= al\n"); + /* Exclude VG cores with FE2.0 */ if (gpu->identity.features & chipFeatures_PIPE_VG && gpu->identity.features & chipFeatures_FE20) { --=20 2.38.1