From 2b9428e20333ee42d00335c9700dcb20cf54f384 Mon Sep 17 00:00:00 2001 From: Patrik Jakobsson Date: Fri, 8 Jul 2011 09:44:03 +0100 Subject: [PATCH] gma500: Mask out bits not part of the page table base address Otherwise we can't ioremap the gtt and the screen gets garbled. Signed-off-by: Patrik Jakobsson Signed-off-by: Alan Cox Signed-off-by: Greg Kroah-Hartman --- drivers/staging/gma500/gtt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/gma500/gtt.c b/drivers/staging/gma500/gtt.c index 28f2261b6222..78dd01bb1eb6 100644 --- a/drivers/staging/gma500/gtt.c +++ b/drivers/staging/gma500/gtt.c @@ -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, -- 2.20.1