acpi_os_ioremap uses cached mappings, however it appears that gma500
wants to read dynamic platform state. Switch to ioremap() to prevent it
reading stale state from cache.
Cc: David Airlie <airlied@xxxxxxxx>
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
---
drivers/gpu/drm/gma500/opregion.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/gma500/opregion.c b/drivers/gpu/drm/gma500/opregion.c
index ab696ca7eeec..9809c26ea0cf 100644
--- a/drivers/gpu/drm/gma500/opregion.c
+++ b/drivers/gpu/drm/gma500/opregion.c
@@ -322,7 +322,7 @@ int psb_intel_opregion_setup(struct drm_device *dev)
INIT_WORK(&opregion->asle_work, psb_intel_opregion_asle_work);
DRM_DEBUG("OpRegion detected at 0x%8x\n", opregion_phy);
- base = acpi_os_ioremap(opregion_phy, 8*1024);
+ base = ioremap(opregion_phy, 8*1024);
if (!base)
return -ENOMEM;
--
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