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Wed, 21 Jul 2021 09:25:04 +0000 Subject: Re: [RFC v2 2/2] drm/amd/display: Use PPC FPU functions To: Christoph Hellwig References: <20210721044801.840501-1-Anson.Jacob@amd.com> <20210721044801.840501-3-Anson.Jacob@amd.com> <9094cea1-602e-6e71-4ff7-c06fd04af6c5@amd.com> From: =?UTF-8?Q?Christian_K=c3=b6nig?= Message-ID: <6d49b3b3-7772-3559-dc1d-246915e72512@amd.com> Date: Wed, 21 Jul 2021 11:24:57 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-ClientProxiedBy: AM3PR05CA0095.eurprd05.prod.outlook.com (2603:10a6:207:1::21) To MN2PR12MB3775.namprd12.prod.outlook.com (2603:10b6:208:159::19) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from [IPv6:2a02:908:1252:fb60:9bcf:837a:d18c:dc66] (2a02:908:1252:fb60:9bcf:837a:d18c:dc66) by AM3PR05CA0095.eurprd05.prod.outlook.com (2603:10a6:207:1::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4331.22 via Frontend Transport; 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And exactly that's the problem I'm noting here. At least officially AMD claims that we support ARM and some very brave still use the hardware together with MIPS as well. > Maybe a good think would be to add a new KERNEL_FPU_API Kconfig symbol, > selected by x86 and powerpc (I think ppc32 should be fine too now) so > that we get these arch dependencies out of the driver. Good idea. Christian.