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 55519C64ED6 for ; Tue, 28 Feb 2023 10:27:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230492AbjB1K1o (ORCPT ); Tue, 28 Feb 2023 05:27:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40124 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231266AbjB1K1U (ORCPT ); Tue, 28 Feb 2023 05:27:20 -0500 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9C4F62D160; Tue, 28 Feb 2023 02:27:18 -0800 (PST) Received: from IcarusMOD.eternityproject.eu (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id 5A9496602FDF; Tue, 28 Feb 2023 10:27:16 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1677580037; bh=HedQD3Ilc5pEnx8vhQO81s7TTNK+oqpJPvaglDZ6DvY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=i3y3MIK8tlPXFTrBcJE92aYQveJmU6nA7x6I3fYH7PSDC9nygTAK9zh8T9ygeyXFE TNT54P9E50hy62QWRG1IZEV3tgjZCJLW920xA3a2VNUumEJXBYpBBO3Ats+6jdDbiE frdAVKNaUpJaMY1ndEblkJ41bb+GHhvSJblSU1MDlYgfSEtKjw3rWxhjkYI8BDPyJC IsvuZoZbG/5HGmVpAGZI2jhUCQpqRL99hrxy7ra82MGZle+gFXaYKllkuyeKeLtm7z z1tn6NckeGui7MUHSf8vw68vgI0RN1ak2/f9DzCKlNy+0GYFvv4CqfHrAG/0ZeWus9 6luMsCNwnJzZQ== From: AngeloGioacchino Del Regno To: airlied@gmail.com Cc: daniel@ffwll.ch, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, steven.price@arm.com, alyssa.rosenzweig@collabora.com, matthias.bgg@gmail.com, robh@kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, wenst@chromium.org, AngeloGioacchino Del Regno Subject: [PATCH v4 09/12] drm/panfrost: Add the MT8192 GPU ID Date: Tue, 28 Feb 2023 11:27:01 +0100 Message-Id: <20230228102704.708150-9-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230228102704.708150-1-angelogioacchino.delregno@collabora.com> References: <20230228102704.708150-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Alyssa Rosenzweig MediaTek MT8192 has a Mali-G57 with a special GPU ID. Add its GPU ID, but treat it as otherwise identical to a standard Mali-G57. We do _not_ fix up the GPU ID here -- userspace needs to be aware of the special GPU ID, in case we find functional differences between MediaTek's implementation and the standard Mali-G57 down the line. Signed-off-by: Alyssa Rosenzweig Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: Steven Price --- drivers/gpu/drm/panfrost/panfrost_gpu.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/gpu/drm/panfrost/panfrost_gpu.c b/drivers/gpu/drm/panfrost/panfrost_gpu.c index 6452e4e900dd..d28b99732dde 100644 --- a/drivers/gpu/drm/panfrost/panfrost_gpu.c +++ b/drivers/gpu/drm/panfrost/panfrost_gpu.c @@ -204,6 +204,14 @@ static const struct panfrost_model gpu_models[] = { GPU_MODEL(g57, 0x9001, GPU_REV(g57, 0, 0)), + + /* MediaTek MT8192 has a Mali-G57 with a different GPU ID from the + * standard. Arm's driver does not appear to handle this model. + * ChromeOS has a hack downstream for it. Treat it as equivalent to + * standard Mali-G57 for now. + */ + GPU_MODEL(g57, 0x9003, + GPU_REV(g57, 0, 0)), }; static void panfrost_gpu_init_features(struct panfrost_device *pfdev) -- 2.39.2