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drm/i915/gem: hide new uAPI behind CONFIG_BROKEN

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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@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Lionel Landwerlin <lionel.g.landwerlin@linux.intel.com>
Cc: Jon Bloomfield <jon.bloomfield@intel.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Kenneth Graunke <kenneth@whitecape.org>
Cc: Jason Ekstrand <jason@jlekstrand.net>
Cc: Dave Airlie <airlied@gmail.com>
Cc: dri-devel@lists.freedesktop.org
Cc: mesa-dev@lists.freedesktop.org
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210429103056.407067-9-matthew.auld@intel.com
This commit is contained in:
Matthew Auld 2021-04-29 11:30:56 +01:00
parent 0e997a36ec
commit 0a46be95c2
2 changed files with 6 additions and 0 deletions
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3
drivers/gpu/drm/i915/gem/i915_gem_create.c
View file

@ -335,6 +335,9 @@ 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;

3
drivers/gpu/drm/i915/i915_query.c
View file

@ -432,6 +432,9 @@ static int query_memregion_info(struct drm_i915_private *i915,
u32 total_length;
int ret, id, i;
if (!IS_ENABLED(CONFIG_DRM_I915_UNSTABLE_FAKE_LMEM))
return -ENODEV;
if (query_item->flags != 0)
return -EINVAL;