From patchwork Wed Feb 8 10:37:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 13132912 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B965DC636D7 for ; Wed, 8 Feb 2023 10:37:49 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DE49B10E73E; Wed, 8 Feb 2023 10:37:37 +0000 (UTC) Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by gabe.freedesktop.org (Postfix) with ESMTPS id C2C3310E73A for ; Wed, 8 Feb 2023 10:37:32 +0000 (UTC) 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 DAD6E6602091; Wed, 8 Feb 2023 10:37:30 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1675852651; bh=2pa0jFRatcXMZ9SnaIXUtFWvuVZm0Clr55bqDu2qpDA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VpkWOXIGyP9vosdNbC4o+VzOZQgIPd0IMHDDiDb6HoXAtn48eT7pQhg7LHKJ3OYPd NqLjqw1PCw14weP0jrt5K/9cwIB2nKVtoYx0+t1KlA3LVfzcnz4P53OC/Ud2b3lcEm FetNWbRbu29E7KDL0YkEN4w9vbaQm2HjcKmth3zuF1oUsOt5npxcVo/cah+iPdE041 ZhQJ12wIQ2wGyBhAaYMfKzb6ak8V6kGaOs+HNEOUh3fh4wDZ9Lk680IVxQiXeRhk5W 8flOvLKXuYzyxUsXNrqbmTvAjTB2cJU6wpHqnZl2jYz1VgHYZw3lJO09Uc86ToKjUI gPKGCQhsWpFoQ== From: AngeloGioacchino Del Regno To: airlied@gmail.com Subject: [PATCH 7/9] drm/panfrost: Add the MT8192 GPU ID Date: Wed, 8 Feb 2023 11:37:07 +0100 Message-Id: <20230208103709.116896-8-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230208103709.116896-1-angelogioacchino.delregno@collabora.com> References: <20230208103709.116896-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: tomeu.vizoso@collabora.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, steven.price@arm.com, robh+dt@kernel.org, linux-mediatek@lists.infradead.org, alyssa.rosenzweig@collabora.com, krzysztof.kozlowski+dt@linaro.org, matthias.bgg@gmail.com, linux-arm-kernel@lists.infradead.org, AngeloGioacchino Del Regno Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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 --- 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)