[Intel-gfx] [PATCH] drm/i915/selftests: Adjust y-tiling height for older machines

[Chris Wilson]

Older machines do not have the 128-byte tile width format for
I915_TILING_Y and so we must adapt our reference swizzle.

Testcase: igt/drv_selftest/live_objects #gdg
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/selftests/i915_gem_object.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_object.c b/drivers/gpu/drm/i915/selftests/i915_gem_object.c
index 6fe71865b710..8a35d2f70671 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_object.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_object.c
@@ -171,7 +171,7 @@ static u64 tiled_offset(const struct tile *tile, u64 v)
 		v += x;
 	} else {
 		const unsigned int ytile_span = 16;
-		const unsigned int ytile_height = 32 * ytile_span;
+		const unsigned int ytile_height = tile->height * ytile_span;
 
 		v += y * ytile_span;
 		v += div64_u64_rem(x, ytile_span, &x) * ytile_height;
-- 
2.18.0