Hi, On Mon, Jul 06, 2026 at 12:35:39AM +0300, Laurent Pinchart wrote: > Since DDC version 2, introduced in 1996, VGA monitors have exposed EDID > data over an I2C bus. The bus is also used to detect the presence of a > connected monitor by trying to read the EDID data. > > Some devices where the VGA display is integrated in the device and > always connected do not connect the DDC pins. Some development boards, > such as the Renesas M3N Salvator-XS, also do not connect the DDC pins. > > To support those, add the ability to provide hardcoded EDID data in the > device tree. This is mutually exclusive with specifying a DDC bus, and > can only be done when the VGA display is guaranteed to be always > connected. > > Signed-off-by: Laurent Pinchart <[email protected]>
This feels redundant with the EDID firmware loading mechanism we have in KMS already. It should at least be mentioned why we would need to set it in the device tree at all. Maxime
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