Lets BUG_ON and don't bother with a WARN and returning an error, so we can
remove the need to pollute the code with error handling, after all it is
a programmer error to provide NULL view. Also while we're here remove
redundant NULL ggtt_view check.
Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxxxxxxxx>
Signed-off-by: Matthew Auld <matthew.auld@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem.c | 9 ++-------
drivers/gpu/drm/i915/i915_gem_gtt.c | 10 +---------
2 files changed, 3 insertions(+), 16 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index c7a997a..cbf616a 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4235,9 +4235,6 @@ i915_gem_object_do_pin(struct drm_i915_gem_object *obj,
vma = ggtt_view ? i915_gem_obj_to_ggtt_view(obj, ggtt_view) :
i915_gem_obj_to_vma(obj, vm);
- if (IS_ERR(vma))
- return PTR_ERR(vma);
-
if (vma) {
if (WARN_ON(vma->pin_count == DRM_I915_GEM_OBJECT_MAX_PIN_COUNT))
return -EBUSY;
@@ -4300,8 +4297,7 @@ i915_gem_object_ggtt_pin(struct drm_i915_gem_object *obj,
uint32_t alignment,
uint64_t flags)
{
- if (WARN_ONCE(!view, "no view specified"))
- return -EINVAL;
+ BUG_ON(!view);
return i915_gem_object_do_pin(obj, i915_obj_to_ggtt(obj), view,
alignment, flags | PIN_GLOBAL);
@@ -4618,8 +4614,7 @@ struct i915_vma *i915_gem_obj_to_ggtt_view(struct drm_i915_gem_object *obj,
struct i915_address_space *ggtt = i915_obj_to_ggtt(obj);
struct i915_vma *vma;
- if (WARN_ONCE(!view, "no view specified"))
- return ERR_PTR(-EINVAL);
+ BUG_ON(!view);
list_for_each_entry(vma, &obj->vma_list, obj_link)
if (vma->vm == ggtt &&
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 7cfafdc..073c6bb 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -3341,15 +3341,7 @@ i915_gem_obj_lookup_or_create_ggtt_vma(struct drm_i915_gem_object *obj,
const struct i915_ggtt_view *view)
{
struct i915_address_space *ggtt = i915_obj_to_ggtt(obj);
- struct i915_vma *vma;
-
- if (WARN_ON(!view))
- return ERR_PTR(-EINVAL);
-
- vma = i915_gem_obj_to_ggtt_view(obj, view);
-
- if (IS_ERR(vma))
- return vma;
+ struct i915_vma *vma = i915_gem_obj_to_ggtt_view(obj, view);
if (!vma)
vma = __i915_gem_vma_create(obj, ggtt, view);
--
2.4.3
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