Re: [Intel-gfx] [PATCH] drm/i915: Enable eLLC caching of display buffers for SKL+

2019-05-24 Thread Chris Wilson
Quoting Ville Syrjala (2019-04-15 15:16:41) > From: Ville Syrjälä > > Since SKL the eLLC has been sitting on the far side of the system > agent, meaning the display engine can utilize it. Let's enable that. > > I chose WB for the caching mode, because my numbers are indicating > that WT might ac

Re: [Intel-gfx] [PATCH] drm/i915: Enable eLLC caching of display buffers for SKL+

2019-04-26 Thread Ville Syrjälä
On Fri, Apr 26, 2019 at 04:01:02PM +0100, Chris Wilson wrote: > Quoting Ville Syrjälä (2019-04-26 15:54:54) > > On Wed, Apr 17, 2019 at 08:15:43PM +0300, Ville Syrjälä wrote: > > > On Wed, Apr 17, 2019 at 08:09:07AM +0100, Chris Wilson wrote: > > > > Quoting Ville Syrjala (2019-04-15 15:16:41) > >

Re: [Intel-gfx] [PATCH] drm/i915: Enable eLLC caching of display buffers for SKL+

2019-04-26 Thread Chris Wilson
Quoting Ville Syrjälä (2019-04-26 15:54:54) > On Wed, Apr 17, 2019 at 08:15:43PM +0300, Ville Syrjälä wrote: > > On Wed, Apr 17, 2019 at 08:09:07AM +0100, Chris Wilson wrote: > > > Quoting Ville Syrjala (2019-04-15 15:16:41) > > > > From: Ville Syrjälä > > > > > > > > Since SKL the eLLC has been

Re: [Intel-gfx] [PATCH] drm/i915: Enable eLLC caching of display buffers for SKL+

2019-04-26 Thread Ville Syrjälä
On Wed, Apr 17, 2019 at 08:15:43PM +0300, Ville Syrjälä wrote: > On Wed, Apr 17, 2019 at 08:09:07AM +0100, Chris Wilson wrote: > > Quoting Ville Syrjala (2019-04-15 15:16:41) > > > From: Ville Syrjälä > > > > > > Since SKL the eLLC has been sitting on the far side of the system > > > agent, meani

Re: [Intel-gfx] [PATCH] drm/i915: Enable eLLC caching of display buffers for SKL+

2019-04-17 Thread Ville Syrjälä
On Wed, Apr 17, 2019 at 08:09:07AM +0100, Chris Wilson wrote: > Quoting Ville Syrjala (2019-04-15 15:16:41) > > From: Ville Syrjälä > > > > Since SKL the eLLC has been sitting on the far side of the system > > agent, meaning the display engine can utilize it. Let's enable that. > > > > I chose W

Re: [Intel-gfx] [PATCH] drm/i915: Enable eLLC caching of display buffers for SKL+

2019-04-17 Thread Chris Wilson
Quoting Ville Syrjala (2019-04-15 15:16:41) > From: Ville Syrjälä > > Since SKL the eLLC has been sitting on the far side of the system > agent, meaning the display engine can utilize it. Let's enable that. > > I chose WB for the caching mode, because my numbers are indicating > that WT might ac

Re: [Intel-gfx] [PATCH] drm/i915: Enable eLLC caching of display buffers for SKL+

2019-04-16 Thread Ville Syrjälä
On Tue, Apr 16, 2019 at 05:28:57PM +0300, Eero Tamminen wrote: > Hi, > > Based on quick tests with the patch: > > * Results in GfxBench and Unigine (Valley/Heaven) tests were within > daily variation on the tested SKL machines > > * SKL GT4e (128MB eLLC) / Wayland / Weston: >+15-20% SynMark

Re: [Intel-gfx] [PATCH] drm/i915: Enable eLLC caching of display buffers for SKL+

2019-04-16 Thread Eero Tamminen
Hi, Based on quick tests with the patch: * Results in GfxBench and Unigine (Valley/Heaven) tests were within daily variation on the tested SKL machines * SKL GT4e (128MB eLLC) / Wayland / Weston: +15-20% SynMark TexMem512 (512MB of textures) +4-6% SynMark TerrainFly*, CSCloth, ShMapVsm

[Intel-gfx] [PATCH] drm/i915: Enable eLLC caching of display buffers for SKL+

2019-04-15 Thread Ville Syrjala
From: Ville Syrjälä Since SKL the eLLC has been sitting on the far side of the system agent, meaning the display engine can utilize it. Let's enable that. I chose WB for the caching mode, because my numbers are indicating that WT might actually be WB and WC might actually be UC. I'm not 100% sur