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gma500: Mask out bits not part of the page table base address

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Otherwise we can't ioremap the gtt and the screen gets garbled.

Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Patrik Jakobsson 2011-07-08 09:44:03 +01:00 committed by Greg Kroah-Hartman
parent 5ed836acd2
commit 2b9428e203
1 changed files with 1 additions and 1 deletions
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drivers/staging/gma500/gtt.c
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@ -397,7 +397,7 @@ int psb_gtt_init(struct drm_device *dev, int resume)
/* The root resource we allocate address space from */
dev_priv->gtt_initialized = 1;
pg->gtt_phys_start = dev_priv->pge_ctl;
pg->gtt_phys_start = dev_priv->pge_ctl & PAGE_MASK;
/*
* FIXME: video mmu has hw bug to access 0x0D0000000,