On Mon Jul 6, 2026 at 3:24 PM CEST, Leonardo Costa wrote: > From: Leonardo Costa <[email protected]> > > The tc358768 declares static bridge timings requiring pixel data to be > sampled on the positive clock edge. > > However, the DRM core default propagation simply copies the output-side > bus flags, coming from the next bridge, connector or panel, to the > input side. If the propagated flags are incompatible with the bridge > ones, the data is wrongly sampled, typically resulting in visual > artifacts on the panel. > > Implement the atomic_check hook, replacing the mutually exclusive > mode_fixup, and set the bridge state input bus flags to the ones > required by the tc358768. The sync polarity defaulting previously done > in mode_fixup is carried over into atomic_check unchanged. > > Fixes: ff1ca6397b1d ("drm/bridge: Add tc358768 driver") > Cc: [email protected] > Signed-off-by: Leonardo Costa <[email protected]>
Reviewed-by: Luca Ceresoli <[email protected]> -- Luca Ceresoli, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
