Re: [Intel-gfx] [PATCH 3/4] drm/i915: Try harder to get FBC

2014-06-20 Thread Ben Widawsky
Rodrigo, when you're ready, can you pull in Art's requests? On Fri, Jun 20, 2014 at 03:56:08PM +, Runyan, Arthur J wrote: > You give me too much credit. I just gave you an explanation of what the > hardware does, then you ran with it. > > On Thu, Jun 19, 2014 at 12:06:13PM -0700, Ben Widaws

Re: [Intel-gfx] [PATCH 3/4] drm/i915: Try harder to get FBC

2014-06-20 Thread Runyan, Arthur J
You give me too much credit. I just gave you an explanation of what the hardware does, then you ran with it. On Thu, Jun 19, 2014 at 12:06:13PM -0700, Ben Widawsky wrote: + DRM_INFO("Reducing the compressed framebuffer size. This may lead to increased power. Try to increase stolen

[Intel-gfx] [PATCH 3/4] drm/i915: Try harder to get FBC

2014-06-19 Thread Ben Widawsky
The GEN FBC unit provides the ability to set a low pass on frames it attempts to compress. If a frame is less than a certain amount compressibility (2:1, 4:1) it will not bother. This allows the driver to reduce the size it requests out of stolen memory. Unluckily, a few months ago, Ville actually