[Intel-gfx] [RFC 03/13] drm/i915/xehpsdv: enforce min GTT alignment

[Ayaz A Siddiqui]

From: Matthew Auld <matthew.auld at intel.com>

For local-memory objects we need to align the GTT addresses to 64K, both
for the ppgtt and ggtt.

Signed-off-by: Matthew Auld <matthew.auld at intel.com>
Signed-off-by: Stuart Summers <stuart.summers at intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
---
 drivers/gpu/drm/i915/i915_vma.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c
index 4b7fc4647e46..1ea1fa08efdf 100644
--- a/drivers/gpu/drm/i915/i915_vma.c
+++ b/drivers/gpu/drm/i915/i915_vma.c
@@ -670,8 +670,13 @@ i915_vma_insert(struct i915_vma *vma, u64 size, u64 alignment, u64 flags)
 	}
 
 	color = 0;
-	if (vma->obj && i915_vm_has_cache_coloring(vma->vm))
-		color = vma->obj->cache_level;
+	if (vma->obj) {
+		if (HAS_64K_PAGES(vma->vm->i915) && i915_gem_object_is_lmem(vma->obj))
+			alignment = max(alignment, I915_GTT_PAGE_SIZE_64K);
+
+		if (i915_vm_has_cache_coloring(vma->vm))
+			color = vma->obj->cache_level;
+	}
 
 	if (flags & PIN_OFFSET_FIXED) {
 		u64 offset = flags & PIN_OFFSET_MASK;
-- 
2.26.2