[Intel-gfx] [PATCH v3 3/9] drm/i915/skl: New ddb allocation algorithm

[Maarten Lankhorst]

Hey,

Op 09-09-16 om 10:01 schreef Kumar, Mahesh:
> From: Mahesh Kumar <mahesh1.kumar at intel.com>
>
> This patch implements new DDB allocation algorithm as per HW team
> suggestion. This algo takecare of scenario where we allocate less DDB
> for the planes with lower relative pixel rate, but they require more DDB
> to work.
> It also takes care of enabling same watermark level for each
> plane, for efficient power saving.
>
> Changes since v1:
>  - Rebase on top of Paulo's patch series
This breaks the kms_atomic_transition testcase. I'm getting a lot of CPU pipe (A,B,C) FIFO underrun error messages,
and my DP-MST display won't turn on at all.

~Maarten