linux-kernel - Re: has the i915 "black screen" boot issue returned? [BISECTED]

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Date:	Fri, 28 Jan 2011 09:51:01 -0500 (EST)
From:	"Robert P. J. Day" <rpjday@...shcourse.ca>
To:	Chris Wilson <chris@...is-wilson.co.uk>
cc:	dri-devel@...ts.freedesktop.org, Len Brown <len.brown@...el.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>, linux-kernel@...r.kernel.org
Subject: Re: has the i915 "black screen" boot issue returned? [BISECTED]

On Fri, 28 Jan 2011, Chris Wilson wrote:

> On Fri, 28 Jan 2011 09:32:04 -0500 (EST), "Robert P. J. Day" <rpjday@...shcourse.ca> wrote:
> > > fix your boot issue or do we need to go back to using uncached:
> > >
> > > +       return ioremap(phys, size);
> >
> >   is that the next change you want me to try?
>
> Yes. (Replacing the current return ioremap_*(phys, size).)

  sadly, no change -- still black screen.  again, rebooted
successfully under commit 8a327f23.  just to be clear, here's "git
diff":

$ git diff
diff --git a/include/linux/acpi_io.h b/include/linux/acpi_io.h
index 7180013..e035f3c 100644
--- a/include/linux/acpi_io.h
+++ b/include/linux/acpi_io.h
@@ -7,7 +7,7 @@
 static inline void __iomem *acpi_os_ioremap(acpi_physical_address phys,
                                            acpi_size size)
 {
-       return ioremap_cache(phys, size);
+       return ioremap(phys, size);
 }

 int acpi_os_map_generic_address(struct acpi_generic_address *addr);




rday

-- 

========================================================================
Robert P. J. Day                               Waterloo, Ontario, CANADA
                        http://crashcourse.ca

Twitter:                                       http://twitter.com/rpjday
LinkedIn:                               http://ca.linkedin.com/in/rpjday
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