Hi, On Sun, 17 Mar 2024 00:05:36 +0800, Sui Jingfeng wrote: > If a specific design doesn't wire IT66121's interrupt signal output pin up > to the display controller side, then we should not register the interrupt > handler. Such a decision is valid usage, as we can fall back to polling > mode. So, don't make the assumption that a specific board always supports > HPD. Carry out a sanity check on 'client->irq' before using it, fall back > to polling mode if client->irq < 0 is true. Such a design increases the > overall flexibility. > > [...] Thanks, Applied to https://gitlab.freedesktop.org/drm/misc/kernel.git (drm-misc-next) [1/1] drm/bridge: ite66121: Register HPD interrupt handler only when 'client->irq > 0' https://gitlab.freedesktop.org/drm/misc/kernel/-/commit/ba2d3e6709681b6c16ba8d65a23d72c706d82b5c -- Neil
