Re: [PATCH] drm/i915: Allow frame buffers up to 4096x4096 on 915/945 class hardware

2009-07-15 Thread Ian Romanick
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Keith Packard wrote: The 915 and 945 scanout engines can handle frame buffers up to 4096 pixels wide. Pre-9xx hardware has an 8192 byte stride limit, and so we leave the existing 2048 max in place. I'm not sure why we limit the height to the

[PATCH] drm/i915: Allow frame buffers up to 4096x4096 on 915/945 class hardware

2009-07-13 Thread Keith Packard
The 915 and 945 scanout engines can handle frame buffers up to 4096 pixels wide. Pre-9xx hardware has an 8192 byte stride limit, and so we leave the existing 2048 max in place. I'm not sure why we limit the height to the same value; there's no intrinsic hardware limit in the scanout engine.