From nobody Fri Sep 19 01:23:57 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 27963C4708C for ; Thu, 1 Dec 2022 10:31:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230449AbiLAKbX (ORCPT ); Thu, 1 Dec 2022 05:31:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38424 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230398AbiLAKbL (ORCPT ); Thu, 1 Dec 2022 05:31:11 -0500 Received: from mail-ej1-x636.google.com (mail-ej1-x636.google.com [IPv6:2a00:1450:4864:20::636]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 048949FA98 for ; Thu, 1 Dec 2022 02:31:05 -0800 (PST) Received: by mail-ej1-x636.google.com with SMTP id b2so3108623eja.7 for ; Thu, 01 Dec 2022 02:31:04 -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=a5RWL8PSQEK0iO8D8xGt8NT2AQ4OV/qzxmaspNDbxZCSpoxCIuJ8vexkpLEXothzvJ nA46USR5g+fZ8RmhwNme1mUk4fTwlPRvZ2Vr7Fo0BIC8HQU3oBI/FlZ0rNvwDOQCd7Zg ILeFDzoCJG6yn45os/rNOFjn5OgcOcNC5aX3frAWSqtE5f9UDhvVajhtcQx3dm4I0x1l zUMnMfHWHhYshJ2WSdzjW031qTsDlclT4TP7Ujld7X1y9znWkqpND/WFjphv37tki6qf npw9YXacBh/EakMCf80tDIHdhe2tBdzdrvOBJjQN4RC7Tp9EH3iYeRyN/NbDlPEsq8Yh eG7A== 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=CXjKDtTCTtPgafYniftbgLcpEcDbQDTf5cA8pQfqZmY3YXHgkbhCtE9l+sfPMMtwQl ToVMnVr/txKFG2AWUmsyIDkJgMaNiJUwddwCfzH+OOfdwYsCnph2uVbPnzxKbvhJxmnd Ejj/OcbWTYg5SC13f167avzIFDftcmAIq3eZLdjpQ6dm6NMNuPzruc1fhsptK5cPX4IG IezbbGZy6cFFXmc2T8li7i4wcdllsd8oOTqby/fvQ7p3x86HFfrw/zzO1GzkzCDW5meo 83P4mgpQAQ0iJOmx63fB98QtxMAb3KQcj4XLvs6/Ukb1E3jFyUird0/xNEhehb+d4UAk /64g== X-Gm-Message-State: ANoB5plgOaUTQlrAcuTQeTinhWVmnsHdCnE978ur9vhBwH5TfxeUQIKx UTui0I+QOqEHro50bVQAOd0= X-Google-Smtp-Source: AA0mqf792BH1dkxj+elKYFKEKcD4i+q0VwaieVCNwc2KlVuSsd9a8B002/dcWUBiKX1TDLbx9Qr5UA== X-Received: by 2002:a17:906:c18c:b0:7b2:8a6e:c569 with SMTP id g12-20020a170906c18c00b007b28a6ec569mr56271431ejz.582.1669890662588; Thu, 01 Dec 2022 02:31:02 -0800 (PST) Received: from cizrna.home (cst-prg-44-69.cust.vodafone.cz. [46.135.44.69]) by smtp.gmail.com with ESMTPSA id g1-20020a17090604c100b007c07b23a79bsm1592400eja.213.2022.12.01.02.31.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Dec 2022 02:31:02 -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 v5 6/7] drm/etnaviv: Warn when probing on NPUs Date: Thu, 1 Dec 2022 11:30:22 +0100 Message-Id: <20221201103026.53234-7-tomeu.vizoso@collabora.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221201103026.53234-1-tomeu.vizoso@collabora.com> References: <20221201103026.53234-1-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