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* [PATCH] drm/i915/selftests: Magic numbers for old Y-tiling
@ 2018-07-07 10:04 Chris Wilson
  2018-07-07 10:29 ` ✓ Fi.CI.BAT: success for " Patchwork
                   ` (2 more replies)
  0 siblings, 3 replies; 5+ messages in thread
From: Chris Wilson @ 2018-07-07 10:04 UTC (permalink / raw)
  To: intel-gfx

i915g has a slightly different tiling layout, and so requires a
different reference swizzle pattern.

Testcase: igt/drv_selftests/live_objects #gdg
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/selftests/i915_gem_object.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_object.c b/drivers/gpu/drm/i915/selftests/i915_gem_object.c
index 25c2b2d433bd..f4a5099c75b5 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_object.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_object.c
@@ -169,9 +169,16 @@ static u64 tiled_offset(const struct tile *tile, u64 v)
 		v += y * tile->width;
 		v += div64_u64_rem(x, tile->width, &x) << tile->size;
 		v += x;
-	} else {
+	} else if (tile->width == 128) {
 		const unsigned int ytile_span = 16;
-		const unsigned int ytile_height = 32 * ytile_span;
+		const unsigned int ytile_height = 512;
+
+		v += y * ytile_span;
+		v += div64_u64_rem(x, ytile_span, &x) * ytile_height;
+		v += x;
+	} else {
+		const unsigned int ytile_span = 32;
+		const unsigned int ytile_height = 256;
 
 		v += y * ytile_span;
 		v += div64_u64_rem(x, ytile_span, &x) * ytile_height;
-- 
2.18.0

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end of thread, other threads:[~2018-07-09 10:03 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2018-07-07 10:04 [PATCH] drm/i915/selftests: Magic numbers for old Y-tiling Chris Wilson
2018-07-07 10:29 ` ✓ Fi.CI.BAT: success for " Patchwork
2018-07-08  6:04 ` ✗ Fi.CI.IGT: failure " Patchwork
2018-07-09  9:57 ` [PATCH] " Mika Kuoppala
2018-07-09 10:03   ` Chris Wilson

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