[PATCH v5 3/4] drm/bridge: microchip-lvds: add atomic pre_enable() and post_disable()

Maxime Ripard mripard at kernel.org
Wed Jun 25 06:57:24 UTC 2025


On Wed, Jun 25, 2025 at 10:26:11AM +0530, Dharma Balasubiramani wrote:
> pm_runtime_get_sync() and clk_prepare_enable() must be outside the atomic
> context, hence move the sleepable operations accordingly.
> 
> - atomic_pre_enable() handles pm_runtime and clock preparation
> - atomic_enable() enables the serializer based on panel format
> - atomic_disable() turns off the serializer
> - atomic_post_disable() disables clock and releases runtime PM
> 
> Signed-off-by: Dharma Balasubiramani <dharma.b at microchip.com>

If that's the reason you wanted to split the enable and disable hooks in
two, you don't need to. You can sleep in any context here.

Maxime
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