[Intel-gfx] [PATCH] drm/i915: Disable all outputs early, before KMS takeover

[Chris Wilson]

On Tue, 5 Apr 2011 13:21:08 +0300, Tomas Winkler <tomasw at gmail.com> wrote:
> On Fri, Apr 1, 2011 at 2:51 PM, Pekka Enberg <penberg at kernel.org> wrote:
> > Unfortunately I get a blank screen with after boot:
> > Nacked-by: Pekka Enberg <penberg at kernel.org>

But until you can tell me where it explodes on your system, we fix
issues on several other machines...
 
> Not sure this is related, but when I enable DRM_I915_KMS=y I'm got
> stuck after boot too. When KMS is disabled I can at least get to the
> console (no graphics)
> This is with kernel 2.6.39-rc1.  It worked fine with 2.6.38. I don't
> have much time bisect and reboot.  Shell I  try to pull drm-fixes for
> rc2 or use try this patch?

Add drm.debug=0xe to your grub kernel parameters and attach the dmesg for
the failing boot. From that I should be able to recommend a course of
action.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre