1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 17b7df0b561f..619dad1b2386 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -952,6 +952,13 @@ static int gen8_ppgtt_init(struct i915_hw_ppgtt *ppgtt)
 
         ppgtt->base.start = 0;
         ppgtt->base.total = 1ULL << 32;
+        if (IS_ENABLED(CONFIG_X86_32))
+                /* While we have a proliferation of size_t variables
+                 * we cannot represent the full ppgtt size on 32bit,
+                 * so limit it to the same size as the GGTT (currently
+                 * 2GiB).
+                 */
+                ppgtt->base.total = to_i915(ppgtt->base.dev)->gtt.base.total;
         ppgtt->base.cleanup = gen8_ppgtt_cleanup;
         ppgtt->base.allocate_va_range = gen8_alloc_va_range;
         ppgtt->base.insert_entries = gen8_ppgtt_insert_entries;