[Nouveau] [PATCH 1/2] drm/nouveau: Fix overlap while zeroing zcull regions

Pierre Moreau pierre.morrow at free.fr
Thu Jun 12 17:34:29 PDT 2014


The specified stride was not correct, resulting in erases overlapping and part
of the zcull regions being not erased at all.

Signed-off-by: Pierre Moreau <pierre.morrow at free.fr>
---
 drivers/gpu/drm/nouveau/core/engine/graph/nv50.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c b/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c
index 2c7809e..a36adcd 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c
@@ -991,10 +991,10 @@ nv50_graph_init(struct nouveau_object *object)
 
 	/* zero out zcull regions */
 	for (i = 0; i < 8; i++) {
-		nv_wr32(priv, 0x402c20 + (i * 8), 0x00000000);
-		nv_wr32(priv, 0x402c24 + (i * 8), 0x00000000);
-		nv_wr32(priv, 0x402c28 + (i * 8), 0x00000000);
-		nv_wr32(priv, 0x402c2c + (i * 8), 0x00000000);
+		nv_wr32(priv, 0x402c20 + (i * 0x10), 0x00000000);
+		nv_wr32(priv, 0x402c24 + (i * 0x10), 0x00000000);
+		nv_wr32(priv, 0x402c28 + (i * 0x10), 0x00000000);
+		nv_wr32(priv, 0x402c2c + (i * 0x10), 0x00000000);
 	}
 	return 0;
 }
-- 
2.0.0



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