Re: [Intel-gfx] [PATCH v2 05.2/24] drm/i915: Merge LP1+ watermarks in safer way

2014-04-28 Thread Paulo Zanoni
2014-04-28 9:44 GMT-03:00 : > From: Ville Syrjälä > > On ILK when we disable a particular watermark level, we must > maintain the actual watermark values for that level for some time > (until the next vblank possibly). Otherwise we risk underruns. > > In order to achieve that result we must merge

[Intel-gfx] [PATCH v2 05.2/24] drm/i915: Merge LP1+ watermarks in safer way

2014-04-28 Thread ville . syrjala
From: Ville Syrjälä On ILK when we disable a particular watermark level, we must maintain the actual watermark values for that level for some time (until the next vblank possibly). Otherwise we risk underruns. In order to achieve that result we must merge the LP1+ watermarks a bit differently si