[Intel-gfx] [PATCH] drm/agp: agp-intel/i915: trim stolen space to 16M

[Lukas Hejtmanek]

Hello,

On Tue, Mar 23, 2010 at 10:10:28AM -0700, Jesse Barnes wrote:
> > Jesse, from Yakui's recent finding, the compressed fb size for Cantiga
> > and Ironlake could be as large as 4096x2048 32bpc for 32MB, so some large
> > fb size e.g 1900x1200 could be compressed. So max 16M for stolen may be
> > too small?
> > 
> > I'll send out Yakui's patch later.
> 
> Yeah, if we need to bump the limit, that's fine.  We'd need to adjust
> both the limit I added in AGP and the allocation size we try for in
> i915_dma.c when we set up the compressed buffer.

is this somehow related?

[103307.780798] [drm:intel_update_fbc], framebuffer too large, disabling
compression
[103307.780800] [drm:intel_update_fbc], unsupported config, disabling FBC

I use 1680x1050 and I have i965GM. (I supose 8MB stolen memory.)

-- 
Lukáš Hejtmánek