Re: [Intel-gfx] [PATCH 1/2] drm/i915/icl: Drop spurious register read from icl_dbuf_slices_update

Imre Deak writes: > On Fri, Nov 09, 2018 at 04:09:23PM +0200, Mika Kuoppala wrote: >> Register DBUF_CTL_S2 is read and it's value is not used. As >> there is no explanation why we should prime the hardware with >> read, remove it as spurious. >> >> Fixes: aa9664ffe863 ("drm/i915/icl: Enable 2nd

Re: [Intel-gfx] [PATCH 1/2] drm/i915/icl: Drop spurious register read from icl_dbuf_slices_update

On Fri, Nov 09, 2018 at 04:09:23PM +0200, Mika Kuoppala wrote: > Register DBUF_CTL_S2 is read and it's value is not used. As > there is no explanation why we should prime the hardware with > read, remove it as spurious. > > Fixes: aa9664ffe863 ("drm/i915/icl: Enable 2nd DBuf slice only when

[Intel-gfx] [PATCH 1/2] drm/i915/icl: Drop spurious register read from icl_dbuf_slices_update

Register DBUF_CTL_S2 is read and it's value is not used. As there is no explanation why we should prime the hardware with read, remove it as spurious. Fixes: aa9664ffe863 ("drm/i915/icl: Enable 2nd DBuf slice only when needed") Cc: Mahesh Kumar Cc: Rodrigo Vivi Signed-off-by: Mika Kuoppala ---