From: Chia-I Wu <olvaffe@gmail.com>
To: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
Cc: AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Boris Brezillon <boris.brezillon@collabora.com>,
Jassi Brar <jassisinghbrar@gmail.com>,
Chen-Yu Tsai <wenst@chromium.org>,
Steven Price <steven.price@arm.com>,
Liviu Dudau <liviu.dudau@arm.com>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
David Airlie <airlied@gmail.com>,
Simona Vetter <simona@ffwll.ch>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
Kees Cook <kees@kernel.org>,
"Gustavo A. R. Silva" <gustavoars@kernel.org>,
Ulf Hansson <ulf.hansson@linaro.org>,
kernel@collabora.com, dri-devel@lists.freedesktop.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org,
linux-hardening@vger.kernel.org, linux-pm@vger.kernel.org
Subject: Re: [PATCH v6 7/7] pmdomain: mediatek: Add support for MFlexGraphics
Date: Fri, 3 Oct 2025 14:42:21 -0700 [thread overview]
Message-ID: <CAPaKu7SK=st9FkU+i25MOwBnBPQYpiBxS7-1nnerdBCiPnHy3A@mail.gmail.com> (raw)
In-Reply-To: <CAPaKu7QWBShwr+YhFi+nUFo0kJ06k4PK3zggcCefWGjqUmTx5w@mail.gmail.com>
On Fri, Oct 3, 2025 at 2:41 PM Chia-I Wu <olvaffe@gmail.com> wrote:
>
> On Fri, Oct 3, 2025 at 1:16 PM Nicolas Frattaroli
> <nicolas.frattaroli@collabora.com> wrote:
> >
> > Various MediaTek SoCs use GPU integration silicon named "MFlexGraphics"
> > by MediaTek. On the MT8196 and MT6991 SoCs, interacting with this
> > integration silicon is required to power on the GPU.
> >
> > This glue silicon is in the form of an embedded microcontroller running
> > special-purpose firmware, which autonomously adjusts clocks and
> > regulators.
> >
> > Implement a driver, modelled as a pmdomain driver with a
> > set_performance_state operation, to support these SoCs.
> I like this model a lot. Thanks!
>
> panthor might potentially need to interact with this driver beyond
> what pmdomain provides. I am thinking about querying
> GF_REG_SHADER_PRESENT. Not sure if we've heard back from the vendor.
> Have you considered moving this to drivers/soc/mediatek such that we
> can provide include/linux/mtk-mfg.h to panthor?
I meant to say include/linux/soc/mediatek/mtk-mfg.h.
next prev parent reply other threads:[~2025-10-03 21:42 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-03 20:15 [PATCH v6 0/7] MT8196 GPU Frequency/Power Control Support Nicolas Frattaroli
2025-10-03 20:15 ` [PATCH v6 1/7] dt-bindings: gpu: mali-valhall-csf: add mediatek,mt8196-mali variant Nicolas Frattaroli
2025-10-06 9:35 ` AngeloGioacchino Del Regno
2025-10-09 19:25 ` Rob Herring (Arm)
2025-10-03 20:15 ` [PATCH v6 2/7] dt-bindings: power: Add MT8196 GPU frequency control binding Nicolas Frattaroli
2025-10-06 9:36 ` AngeloGioacchino Del Regno
2025-10-09 19:27 ` Rob Herring (Arm)
2025-10-03 20:15 ` [PATCH v6 3/7] dt-bindings: mailbox: Add MT8196 GPUEB Mailbox Nicolas Frattaroli
2025-10-03 20:15 ` [PATCH v6 4/7] mailbox: add MediaTek GPUEB IPI mailbox Nicolas Frattaroli
2025-10-03 20:15 ` [PATCH v6 5/7] drm/panthor: call into devfreq for current frequency Nicolas Frattaroli
2025-10-03 20:15 ` [PATCH v6 6/7] drm/panthor: Use existing OPP table if present Nicolas Frattaroli
2025-10-03 20:47 ` Chia-I Wu
2025-10-03 20:15 ` [PATCH v6 7/7] pmdomain: mediatek: Add support for MFlexGraphics Nicolas Frattaroli
2025-10-03 21:41 ` Chia-I Wu
2025-10-03 21:42 ` Chia-I Wu [this message]
2025-10-06 10:58 ` Nicolas Frattaroli
2025-10-06 11:37 ` AngeloGioacchino Del Regno
2025-10-06 12:16 ` Nicolas Frattaroli
2025-10-06 14:28 ` AngeloGioacchino Del Regno
2025-10-06 21:04 ` Chia-I Wu
2025-10-06 11:40 ` Nicolas Frattaroli
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