drm/amd/display: Update de-tile override to anticipate pipe splitting

[Why]
For certain MPO configurations, DML will split a pipe after DET buffer has
already been allocated by driver, resulting in allocation of more DET
segments than the configurable return buffer has, causing underflow.

[How]
Determine during DET override calculation whether or not a pipe will be
split later on by DML, and distribute DET segments based on expected
number of pipes.

Tested-by: Daniel Wheeler <[email protected]>
Reviewed-by: Dmytro Laktyushkin <[email protected]>
Acked-by: Alan Liu <[email protected]>
Signed-off-by: Taimur Hassan <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

0 files changed, 0 insertions, 0 deletions