[Intel-gfx] [PATCH] drm/i915: Revert CDCLK changes to unbreak geminilake

Chris Wilson chris at chris-wilson.co.uk
Mon May 25 08:16:54 UTC 2020

Quoting Lisovskiy, Stanislav (2020-05-25 09:07:54)
> On Mon, May 25, 2020 at 09:07:31AM +0100, Chris Wilson wrote:
> > This reverts
> > cac91e671ad5 ("drm/i915: Fix includes and local vars order")
> > 82ea174dc542 ("drm/i915: Remove unneeded hack now for CDCLK")
> > cd1915460861 ("drm/i915: Adjust CDCLK accordingly to our DBuf bw needs")
> > 
> > Cc: Stanislav Lisovskiy <stanislav.lisovskiy at intel.com>
> > Cc: Manasi Navare <manasi.d.navare at intel.com>
> > Cc: "Ville Syrjälä" <ville.syrjala at linux.intel.com>
> I guess we still need to check more precisely if this patch caused
> this - or have you already bisected that?

This was found by unwinding the patches on CI.

> It is rather strange that it breaks only a GLK and only single test.

Bug detection is purely serendipitous.

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