Treat it the same as the fake local-memory stuff, where it is disabled
for normal kernels, in case some random UMD is tempted to use this. Once
we have all the other bits and pieces in place, like the TTM conversion,
we can turn this on for real.
Signed-off-by: Matthew Auld <matthew.auld@xxxxxxxxx>
Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Cc: Thomas Hellström <thomas.hellstrom@xxxxxxxxxxxxxxx>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
Cc: Lionel Landwerlin <lionel.g.landwerlin@xxxxxxxxxxxxxxx>
Cc: Jon Bloomfield <jon.bloomfield@xxxxxxxxx>
Cc: Jordan Justen <jordan.l.justen@xxxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxxx>
Cc: Kenneth Graunke <kenneth@xxxxxxxxxxxxx>
Cc: Jason Ekstrand <jason@xxxxxxxxxxxxxx>
Cc: Dave Airlie <airlied@xxxxxxxxx>
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: mesa-dev@xxxxxxxxxxxxxxxxxxxxx
---
drivers/gpu/drm/i915/gem/i915_gem_create.c | 3 +++
drivers/gpu/drm/i915/i915_query.c | 3 +++
2 files changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_create.c b/drivers/gpu/drm/i915/gem/i915_gem_create.c
index 338f3883e238..1d0728b878d5 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_create.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_create.c
@@ -332,6 +332,9 @@ static int ext_set_placements(struct i915_user_extension __user *base,
{
struct drm_i915_gem_create_ext_memory_regions ext;
+ if (!IS_ENABLED(CONFIG_DRM_I915_UNSTABLE_FAKE_LMEM))
+ return -ENODEV;
+
if (copy_from_user(&ext, base, sizeof(ext)))
return -EFAULT;
diff --git a/drivers/gpu/drm/i915/i915_query.c b/drivers/gpu/drm/i915/i915_query.c
index 0b4cb2e1a15c..561684ded4a0 100644
--- a/drivers/gpu/drm/i915/i915_query.c
+++ b/drivers/gpu/drm/i915/i915_query.c
@@ -432,6 +432,9 @@ static int query_memregion_info(struct drm_i915_private *i915,
u32 total_length;
int ret, id;
+ if (!IS_ENABLED(CONFIG_DRM_I915_UNSTABLE_FAKE_LMEM))
+ return -ENODEV;
+
if (query_item->flags != 0)
return -EINVAL;
--
2.26.3
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