From: Krzysztof Kozlowski <krzk@kernel.org>
To: Mikko Perttunen <mperttunen@nvidia.com>
Cc: Thierry Reding <thierry.reding@kernel.org>,
Jonathan Hunter <jonathanh@nvidia.com>,
David Airlie <airlied@gmail.com>,
Simona Vetter <simona@ffwll.ch>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/4] dt-bindings: display: tegra: Make non-vm registers optional
Date: Fri, 3 Jul 2026 08:56:52 +0200 [thread overview]
Message-ID: <20260703-hysterical-umber-cricket-3080da@quoll> (raw)
In-Reply-To: <20260702-host1x-nohv-v2-1-e6d88bac0af6@nvidia.com>
On Thu, Jul 02, 2026 at 01:10:26PM +0900, Mikko Perttunen wrote:
> The hypervisor and common register regions are not always available to
> the software -- usually when a separate hypervisor keeps ownership of
> them and only passes through the vm register region to a virtual
> machine.
>
> Adjust the bindings to make these regions optional to allow describing
> the situation in device trees for such virtual machines et cetera.
>
> Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
> ---
> .../display/tegra/nvidia,tegra20-host1x.yaml | 40 ++++++++++++++--------
> 1 file changed, 26 insertions(+), 14 deletions(-)
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Best regards,
Krzysztof
next prev parent reply other threads:[~2026-07-03 6:56 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-02 4:10 [PATCH v2 0/4] Support partitioned Host1x Mikko Perttunen
2026-07-02 4:10 ` [PATCH v2 1/4] dt-bindings: display: tegra: Make non-vm registers optional Mikko Perttunen
2026-07-03 6:56 ` Krzysztof Kozlowski [this message]
2026-07-02 4:10 ` [PATCH v2 2/4] dt-bindings: display: tegra: Add channel/syncpoint range properties Mikko Perttunen
2026-07-03 7:09 ` Krzysztof Kozlowski
2026-07-02 4:10 ` [PATCH v2 3/4] gpu: host1x: Support running without hv/common registers Mikko Perttunen
2026-07-02 4:10 ` [PATCH v2 4/4] gpu: host1x: Allow limiting usable channel and syncpoint ranges Mikko Perttunen
2026-07-02 4:22 ` sashiko-bot
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