[PATCH v2 1/2] drm/bridge: Fix improper bridge init order with pre_enable_prev_first

Robert Foss rfoss at kernel.org
Tue Mar 5 14:54:29 UTC 2024


On Tue, 28 Mar 2023 22:37:51 +0530, Jagan Teki wrote:
> For a given bridge pipeline if any bridge sets pre_enable_prev_first
> flag then the pre_enable for the previous bridge will be called before
> pre_enable of this bridge and opposite is done for post_disable.
> 
> These are the potential bridge flags to alter bridge init order in order
> to satisfy the MIPI DSI host and downstream panel or bridge to function.
> However the existing pre_enable_prev_first logic with associated bridge
> ordering has broken for both pre_enable and post_disable calls.
> 
> [...]

Please excuse the delay, patches touching the core bridge code are a little
bit tougher to merge due to increased risks of breaking unrelated things.

Applied, thanks!

[1/2] drm/bridge: Fix improper bridge init order with pre_enable_prev_first
      https://cgit.freedesktop.org/drm/drm-misc/commit/?id=e18aeeda0b69
[2/2] drm/bridge: Document bridge init order with pre_enable_prev_first
      https://cgit.freedesktop.org/drm/drm-misc/commit/?id=113cc3ad8566



Rob



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