From patchwork Thu Mar 16 10:20:38 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: 13177331 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 0539FC7618A for ; Thu, 16 Mar 2023 10:21:19 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8FA0D10E1AD; Thu, 16 Mar 2023 10:21:16 +0000 (UTC) Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3D42210EC35 for ; Thu, 16 Mar 2023 10:20:55 +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 4D4D966030A8; Thu, 16 Mar 2023 10:20:53 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1678962054; bh=tqMhjHDqyf9W8dBe5zrV6xBWEsaXyIn78lwVXQZBTKI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=W8HjQ4jWTnPPa1xbsH5ty3//pOcwvc6EEOM8oaoUH9B5Lsytcw8cka9PfoYvzeDKa HSbRn96OzlC2Izzc+T53S8M7LPqceVuullDRTaz+Q8fd8xlo53gjmnxR4XMpQco8ZQ azu+rKOc4Odp5mBAxTnXbSFUZbGfYnONPRuW6vl1efpZgHky+RD49KvC9pfeS6WR5h gIlwrtoKk2ouFNJlUJon9St7OmcifPL8toK50aRb04bxUqYLFFNCdWqK/3M1AfoinC 5shGEDTrupd8XVc90oS/JUuZTKasyJqMYsGp3HDCURwBEmm612z9O0d7er4lJNz5pq YuzoHIZ/k+IQg== From: AngeloGioacchino Del Regno To: airlied@gmail.com Subject: [PATCH v5 09/12] drm/panfrost: Add the MT8192 GPU ID Date: Thu, 16 Mar 2023 11:20:38 +0100 Message-Id: <20230316102041.210269-10-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230316102041.210269-1-angelogioacchino.delregno@collabora.com> References: <20230316102041.210269-1-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: 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, wenst@chromium.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 Reviewed-by: Steven Price Reviewed-by: Chen-Yu Tsai Tested-by: Chen-Yu Tsai --- 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)