From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
To: "Jason-JH.Lin" <jason-jh.lin@mediatek.com>,
Jassi Brar <jassisinghbrar@gmail.com>,
Chun-Kuang Hu <chunkuang.hu@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>
Cc: Jason-ch Chen <jason-ch.chen@mediatek.com>,
Singo Chang <singo.chang@mediatek.com>,
Nancy Lin <nancy.lin@mediatek.com>,
Shawn Sung <shawn.sung@mediatek.com>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org,
Project_Global_Chrome_Upstream_Group@mediatek.com
Subject: Re: [PATCH v2 3/4] soc: mediatek: mtk-cmdq: Add cmdq_pkt_poll_addr() function
Date: Thu, 7 Mar 2024 11:33:07 +0100 [thread overview]
Message-ID: <54d746b5-a27b-4076-98cf-51c887741c68@collabora.com> (raw)
In-Reply-To: <20240307013458.23550-4-jason-jh.lin@mediatek.com>
Il 07/03/24 02:34, Jason-JH.Lin ha scritto:
> Add cmdq_pkt_poll_addr function to support CMDQ user making
> an instruction for polling a specific address of hardware rigster
> to check the value with or without mask.
>
> POLL is a legacy operation in GCE, so it does not support SPR and
> CMDQ_CODE_LOGIC. To support polling the register address which doesn't
> have the subsys id, CMDQ users need to make an instruction with GPR and
> CMDQ_CODE_MASK operation to move the register address to be poll into GPR.
> Then users can make an POLL instruction with GPR to poll the register
> address assigned in previous instruction.
>
> Signed-off-by: Jason-JH.Lin <jason-jh.lin@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
WARNING: multiple messages have this Message-ID (diff)
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
To: "Jason-JH.Lin" <jason-jh.lin@mediatek.com>,
Jassi Brar <jassisinghbrar@gmail.com>,
Chun-Kuang Hu <chunkuang.hu@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>
Cc: Jason-ch Chen <jason-ch.chen@mediatek.com>,
Singo Chang <singo.chang@mediatek.com>,
Nancy Lin <nancy.lin@mediatek.com>,
Shawn Sung <shawn.sung@mediatek.com>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org,
Project_Global_Chrome_Upstream_Group@mediatek.com
Subject: Re: [PATCH v2 3/4] soc: mediatek: mtk-cmdq: Add cmdq_pkt_poll_addr() function
Date: Thu, 7 Mar 2024 11:33:07 +0100 [thread overview]
Message-ID: <54d746b5-a27b-4076-98cf-51c887741c68@collabora.com> (raw)
In-Reply-To: <20240307013458.23550-4-jason-jh.lin@mediatek.com>
Il 07/03/24 02:34, Jason-JH.Lin ha scritto:
> Add cmdq_pkt_poll_addr function to support CMDQ user making
> an instruction for polling a specific address of hardware rigster
> to check the value with or without mask.
>
> POLL is a legacy operation in GCE, so it does not support SPR and
> CMDQ_CODE_LOGIC. To support polling the register address which doesn't
> have the subsys id, CMDQ users need to make an instruction with GPR and
> CMDQ_CODE_MASK operation to move the register address to be poll into GPR.
> Then users can make an POLL instruction with GPR to poll the register
> address assigned in previous instruction.
>
> Signed-off-by: Jason-JH.Lin <jason-jh.lin@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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next prev parent reply other threads:[~2024-03-07 10:33 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-07 1:34 [PATCH v2 0/4] Add CMDQ API for upcoming ISP feature Jason-JH.Lin
2024-03-07 1:34 ` Jason-JH.Lin
2024-03-07 1:34 ` [PATCH v2 1/4] soc: mediatek: mtk-cmdq: Add specific purpose register definitions for GCE Jason-JH.Lin
2024-03-07 1:34 ` Jason-JH.Lin
2024-03-07 10:33 ` AngeloGioacchino Del Regno
2024-03-07 10:33 ` AngeloGioacchino Del Regno
2024-03-07 1:34 ` [PATCH v2 2/4] soc: mediatek: mtk-cmdq: Add cmdq_pkt_mem_move() function Jason-JH.Lin
2024-03-07 1:34 ` Jason-JH.Lin
2024-03-07 10:33 ` AngeloGioacchino Del Regno
2024-03-07 10:33 ` AngeloGioacchino Del Regno
2024-03-07 1:34 ` [PATCH v2 3/4] soc: mediatek: mtk-cmdq: Add cmdq_pkt_poll_addr() function Jason-JH.Lin
2024-03-07 1:34 ` Jason-JH.Lin
2024-03-07 10:33 ` AngeloGioacchino Del Regno [this message]
2024-03-07 10:33 ` AngeloGioacchino Del Regno
2024-03-07 1:34 ` [PATCH v2 4/4] soc: mediatek: mtk-cmdq: Add cmdq_pkt_acquire_event() function Jason-JH.Lin
2024-03-07 1:34 ` Jason-JH.Lin
2024-03-07 10:33 ` AngeloGioacchino Del Regno
2024-03-07 10:33 ` AngeloGioacchino Del Regno
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