| Message ID | 20150725023858.8664.23506.stgit@dwillia2-desk3.amr.corp.intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
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;
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@linux.ie> Cc: dri-devel@lists.freedesktop.org Signed-off-by: Dan Williams <dan.j.williams@intel.com> --- drivers/gpu/drm/gma500/opregion.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)