From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 ED8AF1684B4; Mon, 14 Oct 2024 11:54:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728906895; cv=none; b=PrqwP+JS9YMU9JmQa4jz7dY7M/Ftfux4Xj0gEPLuH3qIiXnbAf1e17THzr34+wLuIiteEUgCyXmJhwPAbVCBVOF4MUXjjwAQ6tTfQpbjeiIq4D4zYPkl9g0vcEn67bzdYUY5/hq4W5xu5/3X9E1JdJDYqK9p2W5MIkwbYWzo0ls= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728906895; c=relaxed/simple; bh=+NUoB2KWnhXVxPJy2rBq9yU3lqucDq8xA8mF45ThAu0=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=BT5ce7nlnHnGONlxo3yBLs1pDvCbLJIOImNCdHmfdB/cKCkf1zhtDKPohJioqKcaevuIx9NX570bLBUpW5DBkaSf6qz9ZFlDLWHoHuwKfsTc8E6zJn9CjOk24u3yU11SjBVjVWzIlLESgr3IZyJw9V1eeVdCpil7BcPWc712TOQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=FV5EPMmH; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="FV5EPMmH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 39FCCC4CEC3; Mon, 14 Oct 2024 11:54:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1728906894; bh=+NUoB2KWnhXVxPJy2rBq9yU3lqucDq8xA8mF45ThAu0=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=FV5EPMmHWLILjQG7AjnIK/KE7REyPg1aPSj4yBfGI130RJRgoLpit3fUqfpLCdft2 DevorJj2/Jte8qGD6523sskV0f/ILtOKzPmXrjPQkKhfeok7MD3e92tM1C7A2nJk9O kXoGAQ55beroPbZPGTkTCujf8GybU2r+VDUQsaeP0MNy2SCz3RKdxC0NdrIVjiPnZb sNyoc6bLYFihXol/rMtSB7dS4ORuDTS/PD7KT5lZlXjY0b01FaOat+jNwBykaCo0Bi ehKClRHVlmPNgWGkFonijYRjMgHpH+awob4I0SPoSYveAg/CS2PtALeTRCYSpnfxvH llbYYTgbyJhcg== Message-ID: Date: Mon, 14 Oct 2024 13:54:46 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 00/28] Qualcomm iris video decoder driver To: Dikshita Agarwal , Vikash Garodia , Abhinav Kumar , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Philipp Zabel Cc: Hans Verkuil , Sebastian Fricke , linux-arm-msm@vger.kernel.org, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Vedang Nagar References: <20241014-qcom-video-iris-v4-v4-0-c5eaa4e9ab9e@quicinc.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 14/10/2024 11:07, Dikshita Agarwal wrote: > Introduce support for Qualcomm new video acceleration hardware i.e. > iris, used for video stream decoding. > > Iris is a multi pipe based hardware that offloads video stream decoding > from the application processor (AP). It supports H.264 decoding. > The AP communicates with hardware through a well defined protocol, > called as host firmware interface (HFI), which provides fine-grained > and asynchronous control over individual hardware features. > > This driver implements upgraded HFI gen2 to communicate with firmware. > It supports SM8550 which is based out of HFI gen 2. It also supports > SM8250 which is based out of HFI gen1. > > This driver comes with below capabilities: > - V4L2 complaint video driver with M2M and STREAMING capability. > - Supports H264 decoder. > > This driver comes with below features: > - Centralized resource management. > - Centralized management of core and instance states. > - Defines platform specific capabilities and features. As a results, it > provides a single point of control to enable/disable a given feature > depending on specific platform capabilities. > - Handles various video recommended sequences, like DRC, Drain, Seek, > EOS. > - Implements asynchronous communication with hardware to achieve better > experience in low latency usecases. > - Output and capture planes are controlled independently. Thereby > providing a way to reconfigure individual plane. > - Native hardware support of LAST flag which is mandatory to align with > port reconfiguration and DRAIN sequence as per V4L guidelines. > > Changes since v3: You send the patches with b4, so why do you strip the link to previous series? It makes out life just more difficult. Include the link, how the b4 instructs you. Best regards, Krzysztof