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[144.178.202.138]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ae353c0427bsm92425166b.84.2025.06.27.02.48.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 27 Jun 2025 02:48:48 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Fri, 27 Jun 2025 11:48:47 +0200 Message-Id: To: "Krzysztof Kozlowski" Cc: "Hans de Goede" , "Maarten Lankhorst" , "Maxime Ripard" , "Thomas Zimmermann" , "David Airlie" , "Simona Vetter" , "Rob Herring" , "Krzysztof Kozlowski" , "Conor Dooley" , "Javier Martinez Canillas" , "Helge Deller" , , , , Subject: Re: [PATCH v2 1/5] dt-bindings: display: simple-framebuffer: Add interconnects property From: "Luca Weiss" X-Mailer: aerc 0.20.1-0-g2ecb8770224a-dirty References: <20250623-simple-drm-fb-icc-v2-0-f69b86cd3d7d@fairphone.com> <20250623-simple-drm-fb-icc-v2-1-f69b86cd3d7d@fairphone.com> <20250627-mysterious-optimistic-bird-acaafb@krzk-bin> In-Reply-To: <20250627-mysterious-optimistic-bird-acaafb@krzk-bin> Hi Krzysztof, On Fri Jun 27, 2025 at 10:08 AM CEST, Krzysztof Kozlowski wrote: > On Mon, Jun 23, 2025 at 08:44:45AM +0200, Luca Weiss wrote: >> Document the interconnects property which is a list of interconnect >> paths that is used by the framebuffer and therefore needs to be kept >> alive when the framebuffer is being used. >>=20 >> Acked-by: Thomas Zimmermann >> Signed-off-by: Luca Weiss >> --- >> Documentation/devicetree/bindings/display/simple-framebuffer.yaml | 3 += ++ >> 1 file changed, 3 insertions(+) >>=20 >> diff --git a/Documentation/devicetree/bindings/display/simple-framebuffe= r.yaml b/Documentation/devicetree/bindings/display/simple-framebuffer.yaml >> index 296500f9da05e296dbbeec50ba5186b6b30aaffc..f0fa0ef23d91043dfb2b220c= 654b80e2e80850cd 100644 >> --- a/Documentation/devicetree/bindings/display/simple-framebuffer.yaml >> +++ b/Documentation/devicetree/bindings/display/simple-framebuffer.yaml >> @@ -79,6 +79,9 @@ properties: >> power-domains: >> description: List of power domains used by the framebuffer. >> =20 >> + interconnects: >> + description: List of interconnect paths used by the framebuffer. >> + > > maxItems: 1, or this is not a simple FB anymore. Anything which needs > some sort of resources in unknown way is not simple anymore. You need > device specific bindings. The bindings support an arbitrary number of clocks, regulators, power-domains. Why should I artificially limit the interconnects to only one? The driver code also has that support added in this series. Regards Luca > > Best regards, > Krzysztof