From: Daniele Ceraolo Spurio <daniele.ceraolospu...@intel.com>
Done by returning -ENODEV from the map_gtt version ioctl.
Cc: Antonio Argenziano <antonio.argenzi...@intel.com>
Cc: Matthew Auld <matthew.a...@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospu...@intel.com>
---
drivers/gpu/drm/i915/i915_drv.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index ac8fbada0406..34edc0302691 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -425,6 +425,8 @@ static int i915_getparam_ioctl(struct drm_device *dev, void
*data,
return value;
break;
case I915_PARAM_MMAP_GTT_VERSION:
+ if (!HAS_MAPPABLE_APERTURE(dev_priv))
+ return -ENODEV;
/* Though we've started our numbering from 1, and so class all
* earlier versions as 0, in effect their value is undefined as
* the ioctl will report EINVAL for the unknown param!
--
2.20.1
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