drm/i915: stop checking for NULL vma->obj

This is no longer possible since e6e1a304d759 ("drm/i915: vma is always
backed by an object.").

Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220304174252.1000238-1-matthew.auld@intel.com

diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c
index a3fee87..34e2608 100644 (file)
--- a/drivers/gpu/drm/i915/i915_vma.c
+++ b/drivers/gpu/drm/i915/i915_vma.c
@@ -525,21 +525,18 @@ int i915_vma_bind(struct i915_vma *vma,
                if (!work->vma_res->bi.pages_rsgt)
                        work->pinned = i915_gem_object_get(vma->obj);
        } else {
-               if (vma->obj) {
-                       ret = i915_gem_object_wait_moving_fence(vma->obj, true);
-                       if (ret) {
-                               i915_vma_resource_free(vma->resource);
-                               vma->resource = NULL;
+               ret = i915_gem_object_wait_moving_fence(vma->obj, true);
+               if (ret) {
+                       i915_vma_resource_free(vma->resource);
+                       vma->resource = NULL;
 
-                               return ret;
-                       }
+                       return ret;
                }
                vma->ops->bind_vma(vma->vm, NULL, vma->resource, cache_level,
                                   bind_flags);
        }
 
-       if (vma->obj)
-               set_bit(I915_BO_WAS_BOUND_BIT, &vma->obj->flags);
+       set_bit(I915_BO_WAS_BOUND_BIT, &vma->obj->flags);
 
        atomic_or(bind_flags, &vma->flags);
        return 0;
@@ -1384,7 +1381,7 @@ int i915_vma_pin_ww(struct i915_vma *vma, struct i915_gem_ww_ctx *ww,
 
                work->vm = vma->vm;
 
-               moving = vma->obj ? i915_gem_object_get_moving_fence(vma->obj) : NULL;
+               moving = i915_gem_object_get_moving_fence(vma->obj);
                dma_fence_work_chain(&work->base, moving);
 
                /* Allocate enough page directories to used PTE */