Signed-off-by: Matthew Auld <matthew.auld@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem_evict.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c
index 0c9c51be0f6a..817acff2fb6c 100644
--- a/drivers/gpu/drm/i915/i915_gem_evict.c
+++ b/drivers/gpu/drm/i915/i915_gem_evict.c
@@ -276,6 +276,30 @@ int i915_gem_evict_for_node(struct i915_address_space *vm,
/* Always look at the page afterwards to avoid the end-of-GTT */
end += I915_GTT_PAGE_SIZE;
+ } else if (i915_vm_has_page_coloring(vm)) {
+ u64 pt_start, pt_end;
+
+ GEM_BUG_ON(!is_valid_gtt_page_size(target->color));
+ GEM_BUG_ON(!IS_ALIGNED(start, target->color));
+ GEM_BUG_ON(!IS_ALIGNED(end, target->color));
+
+ /* We need to consider the page table coloring on both sides of
+ * the range, where a mismatch would require extending our
+ * range to evict nodes up to the page table boundry for each
+ * side to ensure the underlying page table(s) for the range
+ * match the target color.
+ */
+ pt_start = rounddown(start, 1 << GEN8_PDE_SHIFT);
+ node = __drm_mm_interval_first(&vm->mm, pt_start, start);
+ if (i915_node_color_differs(node, target->color)) {
+ start = pt_start;
+ }
+
+ pt_end = roundup(start, 1 << GEN8_PDE_SHIFT);
+ node = __drm_mm_interval_first(&vm->mm, end, pt_end);
+ if (i915_node_color_differs(node, target->color)) {
+ end = pt_end;
+ }
}
GEM_BUG_ON(start >= end);
--
2.9.3
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