From 60dbd5a5b6cd56b7a33eac3afebe2d94ac8579c7 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Sun, 23 Jun 2013 18:51:38 +0100 Subject: [PATCH] sna: Document swizzling for DBG Signed-off-by: Chris Wilson --- src/sna/blt.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/sna/blt.c b/src/sna/blt.c index 4dbd9e86..b27c6832 100644 --- a/src/sna/blt.c +++ b/src/sna/blt.c @@ -487,16 +487,22 @@ void choose_memcpy_to_tiled_x(struct kgem *kgem, int swizzling) { switch (swizzling) { default: + DBG(("%s: unknown swizzling, %d\n", __FUNCTION__, swizzling)); + break; case I915_BIT_6_SWIZZLE_NONE: + DBG(("%s: no swizzling\n", __FUNCTION__)); kgem->memcpy_to_tiled_x = memcpy_to_tiled_x__swizzle_0; break; case I915_BIT_6_SWIZZLE_9: + DBG(("%s: 6^9 swizzling\n", __FUNCTION__)); kgem->memcpy_to_tiled_x = memcpy_to_tiled_x__swizzle_9; break; case I915_BIT_6_SWIZZLE_9_10: + DBG(("%s: 6^9^10 swizzling\n", __FUNCTION__)); kgem->memcpy_to_tiled_x = memcpy_to_tiled_x__swizzle_9_10; break; case I915_BIT_6_SWIZZLE_9_11: + DBG(("%s: 6^9^11 swizzling\n", __FUNCTION__)); kgem->memcpy_to_tiled_x = memcpy_to_tiled_x__swizzle_9_11; break; }