From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-175.mta1.migadu.com (out-175.mta1.migadu.com [95.215.58.175]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 534D8184547 for ; Tue, 30 Jul 2024 17:57:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.175 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722362261; cv=none; b=gwTEGYLn3AVgkxvxaT+M/v/7STd2jmHeD6sWh1B7ZVLYhyFnVKjLvf8HOdac4OFmVdMhorCYzDhsqiQfwf1M7hwXMjTjth4C/M7FlCFPZ+9QAL+eSzGc6QI4VNQ+ZuIC73GFk0ZSpgVc/ngkbXfjnavd/EmfqO+fAszO3cJvFog= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722362261; c=relaxed/simple; bh=aN8XLejS5eKcdTw4Fka+qGK3eZ9UApC18AQUPmc5PIA=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Lw/8vGPQlFj7MQZ4FB9x5fWq2SPj+2TQX3va437Miw83LIoyp+nFsHM4n0SWhjyzj/j7sP7aOKLZWUl269eTNgUBhFsidsKb6OuHi2Y1mwdZZ4gbXTqUbV8GlUfWHp0gImeWfvFs2JfV/Y2V88+3IZ0zyLnxS5tTrEo/G9jzxkY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=rls7Fzj2; arc=none smtp.client-ip=95.215.58.175 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="rls7Fzj2" Message-ID: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1722362257; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=E6SSLdV1+BEQ9lFafavy7nOb236w9iKR5PJPw85QXo0=; b=rls7Fzj2PTwK6fD9FijmG7QTS/ngjrL9NKRq1MR92jYRs0P4PwfXKqIWjhFPXhi2H2cH0e w5SW1WO8lrKChWkPwC6PlKBq9M/zOKVUAhmOoeFRU4zqSTYoG9zgKqfRtt6+MH8sq8aT3D V5SiWqKynkavDIv9gtQ0EqFj/ec5/0g= Date: Wed, 31 Jul 2024 01:57:32 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH v5 2/2] drm/loongson: Add dummy gpu driver as a subcomponent To: Markus Elfring , dri-devel@lists.freedesktop.org Cc: LKML , Maxime Ripard , Thomas Zimmermann References: <20240728152858.346211-1-sui.jingfeng@linux.dev> <20240728152858.346211-3-sui.jingfeng@linux.dev> <139afaab-343e-4cb4-83b7-2695129d27b1@web.de> Content-Language: en-US X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Sui Jingfeng In-Reply-To: <139afaab-343e-4cb4-83b7-2695129d27b1@web.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT Hi, On 2024/7/29 15:15, Markus Elfring wrote: > … >> the driver is loaded, drm/loongson driver still need to wait all of > needs to wait on …? > > > … >> design. Therefore, add a dummy driver for the GPU, … > Is there a need to reconsider the categorisation and usability descriptions > another bit for such a software component? For honoring the framework and testing the framework purpose. The GPU can possibly be the master of the all sub-components, this definitely need some extra consideration and negotiation with the DC and the fake master device. Depend on  configuration and user space expectation. The problem should be solved earlier. > Regards, > Markus -- Best regards, Sui