drm/i915: Remove unwanted ghost obj check

vm_fault_ttm() should not expect ttm ghost obj so remove that check.

Suggested-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221024144558.27747-1-nirmoy.das@intel.com

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
index e4e55e3f4e41181ae485c9d4516fef778adfb015..0fab8ef08b236300699f6864fb019a89838418fb 100644 (file)
--- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
@@ -1030,9 +1030,6 @@ static vm_fault_t vm_fault_ttm(struct vm_fault *vmf)
        vm_fault_t ret;
        int idx;
 
-       if (i915_ttm_is_ghost_object(bo))
-               return VM_FAULT_SIGBUS;
-
        /* Sanity check that we allow writing into this object */
        if (unlikely(i915_gem_object_is_readonly(obj) &&
                     area->vm_flags & VM_WRITE))