When inserting into a 48bit PPGTT we need to align the vma start address
to the required page size boundary. The size will already be aligned so
no padding is needed.
Signed-off-by: Matthew Auld <matthew.auld@xxxxxxxxx>
Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_vma.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c
index 1aba47024656..53f6c94b2ee6 100644
--- a/drivers/gpu/drm/i915/i915_vma.c
+++ b/drivers/gpu/drm/i915/i915_vma.c
@@ -471,6 +471,14 @@ i915_vma_insert(struct i915_vma *vma, u64 size, u64 alignment, u64 flags)
if (ret)
return ret;
+ if (i915_vm_is_48bit(vma->vm) &&
+ obj->gtt_page_size > I915_GTT_PAGE_SIZE) {
+ unsigned int page_alignment = obj->gtt_page_size;
+
+ alignment = max_t(typeof(alignment), alignment, page_alignment);
+ GEM_BUG_ON(!IS_ALIGNED(vma->size, obj->gtt_page_size));
+ }
+
if (flags & PIN_OFFSET_FIXED) {
u64 offset = flags & PIN_OFFSET_MASK;
if (!IS_ALIGNED(offset, alignment) ||
--
2.9.4
_______________________________________________
Intel-gfx mailing list
Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
