[Intel-gfx] [PATCH v2 12/12] HAX: force small BAR on dg2

[Matthew Auld]

Just for CI.

Signed-off-by: Matthew Auld <matthew.auld at intel.com>
---
 drivers/gpu/drm/i915/gt/intel_region_lmem.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/intel_region_lmem.c b/drivers/gpu/drm/i915/gt/intel_region_lmem.c
index 82c3d2d0f0e0..62c3f8185852 100644
--- a/drivers/gpu/drm/i915/gt/intel_region_lmem.c
+++ b/drivers/gpu/drm/i915/gt/intel_region_lmem.c
@@ -138,6 +138,11 @@ static struct intel_memory_region *setup_lmem(struct intel_gt *gt)
 	if (!io_size)
 		return ERR_PTR(-EIO);
 
+	if (io_size == lmem_size) {
+		drm_info(&i915->drm, "NOTE!! Forcing small BAR for testing\n");
+		io_size = SZ_256M;
+	}
+
 	min_page_size = HAS_64K_PAGES(i915) ? I915_GTT_PAGE_SIZE_64K :
 						I915_GTT_PAGE_SIZE_4K;
 	mem = intel_memory_region_create(i915,
-- 
2.36.1