From: Rain Yang <jiyu.yang@oss.nxp.com>
To: Marek Vasut <marek.vasut@mailbox.org>
Cc: marek.vasut@mailbox.org, airlied@gmail.com,
boris.brezillon@collabora.com, conor+dt@kernel.org,
devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org,
festevam@gmail.com, imx@lists.linux.dev, kernel@pengutronix.de,
krzk+dt@kernel.org, linux-arm-kernel@lists.infradead.org,
liviu.dudau@arm.com, maarten.lankhorst@linux.intel.com,
mripard@kernel.org, p.zabel@pengutronix.de, peng.fan@nxp.com,
robh@kernel.org, s.hauer@pengutronix.de, shawnguo@kernel.org,
simona@ffwll.ch, sre@kernel.org, steven.price@arm.com,
tzimmermann@suse.de
Subject: Re: [PATCH v2 4/9] drm/panthor: Implement optional reset
Date: Sun, 28 Sep 2025 16:24:40 +0800 [thread overview]
Message-ID: <aNjwyIgs9fzWiprq@oss.nxp.com> (raw)
In-Reply-To: <32fffaad-7738-4fa6-80cc-2f8eba7ca099@mailbox.org>
On Fri, Sep 26, 2025 at 03:32:46PM +0200, Marek Vasut wrote:
>On 9/26/25 11:18 AM, Rain Yang wrote:
>
>Hello Jiyu,
>
>> > > as the 0x4d810008 is a write-once register and whose operation has been moved into the SM side,
>> > > so please drop the reset change.
>> > > can you also change the label of the gpu node from gpu to mali like "mali: gpu@4d900000",
>> > > as the internal driver use mali label to control the thermal up/low limitation.
>> >
>> > I updated all of the AHAB container, imx-oei and imx-sm components, and the
>> > reset controller is no longer needed indeed.
>>
>> thanks, please update the gpu node label if possibly.
>
>Which label do you refer to, and which one would you prefer to have there ?
"mali: gpu@4d900000", not "gpu: gpu@4d900000".
>
>> > > BTW, does the dynamic frequency work well on your side so far with perf domain?
>> >
>> > How do I test that ?
>>
>> cat /sys/kernel/debug/clk/gpu/clk_rate, although its name in dts is core.
>> it is an read-only scmi-clk.
>> the clk rate should be fixed, as it can be changed only via scmi_perf in i.MX95.
>
>Right now, it is indeed fixed at 1 GHz .
>
>--
>Best regards,
>Marek Vasut
next prev parent reply other threads:[~2025-09-28 8:24 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-21 20:05 [PATCH v2 0/9] arm64: dts: imx95: Add support for Mali G310 GPU Marek Vasut
2025-03-21 20:05 ` [PATCH v2 1/9] dt-bindings: reset: imx95-gpu-blk-ctrl: Document Freescale i.MX95 GPU reset Marek Vasut
2025-03-21 21:40 ` Rob Herring (Arm)
2025-03-21 20:05 ` [PATCH v2 2/9] reset: simple: Add support for " Marek Vasut
2025-03-21 20:05 ` [PATCH v2 3/9] dt-bindings: gpu: mali-valhall-csf: Document optional reset Marek Vasut
2025-04-03 12:53 ` Liviu Dudau
2025-03-21 20:05 ` [PATCH v2 4/9] drm/panthor: Implement " Marek Vasut
2025-03-24 8:43 ` Boris Brezillon
2025-03-24 19:05 ` Marek Vasut
2025-03-25 14:12 ` Philipp Zabel
2025-03-25 14:27 ` Marek Vasut
2025-03-25 15:00 ` Philipp Zabel
2025-03-24 23:37 ` Marek Vasut
2025-03-25 7:43 ` Boris Brezillon
2025-03-25 13:50 ` Marek Vasut
2025-03-25 14:35 ` Boris Brezillon
2025-03-25 14:37 ` Marek Vasut
2025-03-25 14:52 ` Boris Brezillon
2025-09-03 21:44 ` Marek Vasut
2025-09-04 6:22 ` Boris Brezillon
2025-09-04 6:36 ` Alexander Stein
2025-09-04 13:52 ` Marek Vasut
2025-09-04 14:39 ` Alexander Stein
2025-09-04 14:46 ` Marek Vasut
2025-09-04 13:49 ` Marek Vasut
2025-09-04 14:04 ` Boris Brezillon
2025-09-04 14:54 ` Marek Vasut
2025-09-04 15:20 ` Boris Brezillon
2025-09-04 15:29 ` Marek Vasut
2025-09-16 10:06 ` Rain Yang
2025-09-16 17:34 ` Marek Vasut
2025-09-17 1:49 ` Rain Yang
2025-09-17 2:17 ` Marek Vasut
2025-09-17 14:18 ` Rain Yang
2025-09-25 20:41 ` Marek Vasut
2025-09-26 9:18 ` Rain Yang
2025-09-26 13:32 ` Marek Vasut
2025-09-28 8:24 ` Rain Yang [this message]
2025-09-28 16:56 ` Marek Vasut
2025-03-21 20:05 ` [PATCH v2 5/9] drm/panthor: Implement support for multiple power domains Marek Vasut
2025-03-26 15:07 ` Steven Price
2025-03-21 20:05 ` [PATCH v2 6/9] drm/panthor: Reset GPU after L2 cache power off Marek Vasut
2025-03-21 20:05 ` [PATCH v2 7/9] dt-bindings: gpu: mali-valhall-csf: Document i.MX95 support Marek Vasut
2025-03-24 16:31 ` Rob Herring (Arm)
2025-03-21 20:05 ` [PATCH v2 8/9] drm/panthor: Add " Marek Vasut
2025-03-21 20:05 ` [PATCH v2 9/9] arm64: dts: imx95: Describe Mali G310 GPU Marek Vasut
2025-03-24 7:02 ` Alexander Stein
2025-03-24 23:35 ` Marek Vasut
2025-03-25 7:00 ` Alexander Stein
2025-09-04 9:54 ` Peng Fan
2025-09-04 13:22 ` Marek Vasut
2025-09-09 0:52 ` Peng Fan
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