Commit a08185a3 authored by Keith Packard's avatar Keith Packard Committed by Dave Airlie

agp: iommu_gfx_mapped only available if CONFIG_INTEL_IOMMU is set

Kernels with no iommu support cannot ever need the Ironlake
work-around, so never enable it in that case.

Might be better to completely remove the work-around from the kernel
in this case?
Signed-off-by: default avatarKeith Packard <keithp@keithp.com>
Reviewed-by: default avatarBen Widawsky <ben@bwidawsk.net>
parent 35b09c9b
......@@ -1186,10 +1186,11 @@ static void gen6_cleanup(void)
/* Certain Gen5 chipsets require require idling the GPU before
* unmapping anything from the GTT when VT-d is enabled.
*/
extern int intel_iommu_gfx_mapped;
static inline int needs_idle_maps(void)
{
#ifdef CONFIG_INTEL_IOMMU
const unsigned short gpu_devid = intel_private.pcidev->device;
extern int intel_iommu_gfx_mapped;
/* Query intel_iommu to see if we need the workaround. Presumably that
* was loaded first.
......@@ -1198,7 +1199,7 @@ static inline int needs_idle_maps(void)
gpu_devid == PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG) &&
intel_iommu_gfx_mapped)
return 1;
#endif
return 0;
}
......
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