From: Krzysztof Kozlowski <krzk@kernel.org>
To: "Maíra Canal" <mcanal@igalia.com>
Cc: Maxime Ripard <mripard@kernel.org>,
Dave Stevenson <dave.stevenson@raspberrypi.com>,
Raspberry Pi Kernel Maintenance <kernel-list@raspberrypi.com>,
Stefan Wahren <wahrenst@gmx.net>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Florian Fainelli <florian.fainelli@broadcom.com>,
Ray Jui <rjui@broadcom.com>,
Scott Branden <sbranden@broadcom.com>,
Broadcom internal kernel review list
<bcm-kernel-feedback-list@broadcom.com>,
kernel-dev@igalia.com, dri-devel@lists.freedesktop.org,
devicetree@vger.kernel.org,
linux-rpi-kernel@lists.infradead.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 2/4] dt-bindings: display: bcm2835-v3d: Add an optional reset line
Date: Fri, 18 Sep 2026 10:55:32 +0200 [thread overview]
Message-ID: <20260918-nostalgic-enlightened-macaw-8f4e5a@quoll> (raw)
In-Reply-To: <20260915-vc4-reset-control-v2-2-cb3a25b07822@igalia.com>
On Tue, Sep 15, 2026 at 05:51:25PM -0300, Maíra Canal wrote:
> The BCM2835 power management block drives a reset line for the V3D block
> that is independent of the graphics power domain, allowing the GPU to be
> reset without power-cycling the domain. Expose this reset line in the V3D
> binding.
>
> Keep the property optional, as devices like the Broadcom Cygnus don't have
> a reset line.
>
> Reviewed-by: Stefan Wahren <wahrenst@gmx.net>
> Signed-off-by: Maíra Canal <mcanal@igalia.com>
> ---
> Documentation/devicetree/bindings/display/brcm,bcm2835-v3d.yaml | 3 +++
> 1 file changed, 3 insertions(+)
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Best regards,
Krzysztof
next prev parent reply other threads:[~2026-09-18 8:55 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-15 20:51 [PATCH v2 0/4] drm/vc4: Reset the V3D block through the reset controller Maíra Canal
2026-09-15 20:51 ` [PATCH v2 1/4] drm/vc4: Drop the undocumented brcm,vc4-v3d compatible Maíra Canal
2026-09-15 20:51 ` [PATCH v2 2/4] dt-bindings: display: bcm2835-v3d: Add an optional reset line Maíra Canal
2026-09-18 8:55 ` Krzysztof Kozlowski [this message]
2026-09-15 20:51 ` [PATCH v2 3/4] drm/vc4: Use the reset controller to recover from a GPU hang Maíra Canal
2026-09-15 20:51 ` [PATCH v2 4/4] ARM: dts: bcm2835: Add the V3D reset line Maíra Canal
2026-09-18 18:55 ` [PATCH v2 0/4] drm/vc4: Reset the V3D block through the reset controller Maíra Canal
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