I've seen the kernel fix in drm-intel-next: drm/i915: Allow frame buffers up to 4096x4096 on 915/945 class hardware
And verified 945GM works with the fixes for both KMS and UMS.
I've seen the kernel fix in drm-intel-next:
drm/i915: Allow frame buffers up to 4096x4096 on 915/945 class hardware
And verified 945GM works with the fixes for both KMS and UMS.