From: Shawn Guo <shawnguo@kernel.org>
To: Marek Vasut <marek.vasut@mailbox.org>
Cc: linux-arm-kernel@lists.infradead.org,
Conor Dooley <conor+dt@kernel.org>,
Fabio Estevam <festevam@gmail.com>, Frank Li <Frank.li@nxp.com>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Peng Fan <peng.fan@nxp.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Rain Yang <jiyu.yang@oss.nxp.com>, Rob Herring <robh@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
devicetree@vger.kernel.org, imx@lists.linux.dev
Subject: Re: [PATCH] arm64: dts: imx95: Use GPU_CGC as core clock for GPU
Date: Sat, 17 Jan 2026 13:35:09 +0800 [thread overview]
Message-ID: <aWsfjTMz04r07bEU@dragon> (raw)
In-Reply-To: <20251129143220.14834-1-marek.vasut@mailbox.org>
On Sat, Nov 29, 2025 at 03:31:30PM +0100, Marek Vasut wrote:
> The i.MX95 imx-sm introduced new GPU_CGC clock since imx-sm commit
> ca5e078833fa ("SM-128: Add clock management via CCM LPCG direct control")
> which are downstream clock of GPU clock. These new GPU_CGC clock
> gate the existing GPU clock. Currently, without clk_ignore_unused
> on kernel command line, those new GPU_CGC clock are unused and the
> kernel will disable them. This has no impact on i.MX95 A0/A1, but
> does prevent GPU register access from working at all on i.MX95 B0.
> The GPU_CGC clock are present on both i.MX95 A0/A1/B0, therefore
> update the DT such, that the GPU core clock are the GPU_CGC clock.
> When the panthor driver enables the GPU core clock, it enables both
> the GPU_CGC as well as its parent GPU clock.
>
> Fixes: 67934f248e64 ("arm64: dts: imx95: Describe Mali G310 GPU")
> Signed-off-by: Marek Vasut <marek.vasut@mailbox.org>
Applied, thanks!
prev parent reply other threads:[~2026-01-17 5:35 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-29 14:31 [PATCH] arm64: dts: imx95: Use GPU_CGC as core clock for GPU Marek Vasut
2025-12-03 2:48 ` Rain Yang
2025-12-03 3:38 ` Marek Vasut
2025-12-03 9:28 ` Rain Yang
2025-12-03 22:48 ` Marek Vasut
2025-12-04 3:01 ` Rain Yang
2025-12-04 3:25 ` Marek Vasut
2025-12-05 8:17 ` Rain Yang
2025-12-07 9:01 ` Marek Vasut
2025-12-08 2:02 ` Rain Yang
2025-12-30 1:53 ` Marek Vasut
2025-12-30 2:53 ` Rain Yang
2025-12-30 14:17 ` Marek Vasut
2025-12-31 3:06 ` Rain Yang
2025-12-31 14:09 ` Marek Vasut
2026-01-17 5:35 ` Shawn Guo [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=aWsfjTMz04r07bEU@dragon \
--to=shawnguo@kernel.org \
--cc=Frank.li@nxp.com \
--cc=conor+dt@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=festevam@gmail.com \
--cc=imx@lists.linux.dev \
--cc=jiyu.yang@oss.nxp.com \
--cc=kernel@pengutronix.de \
--cc=krzk+dt@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=marek.vasut@mailbox.org \
--cc=peng.fan@nxp.com \
--cc=robh@kernel.org \
--cc=s.hauer@pengutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox