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drm/i915: Disable i915_gem_set_tiling_ioctl and i915_gem_get_tiling_ioctl in VF

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PF: i915_gem_get_tiling_ioctl returns 0 with tiling_mode=2, swizzle_mode=0, phys_swizzle_mode=0
VF: i915_gem_get_tiling_ioctl returns 0 with tiling_mode=0, swizzle_mode=0, phys_swizzle_mode=0

The tiling_mode is lost on the VF. By disabling these ioctls, users should fallback to default values.
This fixes the blocky artifact when sharing surfaces between VAAPI and OpenCL.
I’m not sure if this is the correct way to do it, but it works.
There may be unknown side effects, so further testing is still needed...
Signed-off-by: bbaa <bbaa@bbaa.fun>
This commit is contained in:
bbaa
2025-11-09 14:27:58 +08:00
parent 8a8f1cb4e0
commit d0edaf7ec5
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/i915/gem/i915_gem_tiling.c
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@@ -347,7 +347,7 @@ i915_gem_set_tiling_ioctl(struct drm_device *dev, void *data,
struct drm_i915_gem_object *obj;
int err;
if (!to_gt(i915)->ggtt->num_fences && !IS_SRIOV_VF(i915))
if (!to_gt(i915)->ggtt->num_fences || IS_SRIOV_VF(i915))
return -EOPNOTSUPP;
obj = i915_gem_object_lookup(file, args->handle);
@@ -430,7 +430,7 @@ i915_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
struct drm_i915_gem_object *obj;
int err = -ENOENT;
if (!to_gt(i915)->ggtt->num_fences && !IS_SRIOV_VF(i915))
if (!to_gt(i915)->ggtt->num_fences || IS_SRIOV_VF(i915))
return -EOPNOTSUPP;
rcu_read_lock();