From a7e3f94fc8fcdc599744fa717b401a024c918483 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Fri, 31 Oct 2014 10:07:44 +1000
Subject: [PATCH] evo debug

---
 drivers/gpu/drm/nouveau/nv50_display.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index ae873d1..bf8a3eeb 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -424,8 +424,15 @@ evo_kick(u32 *push, void *evoc)
 	mutex_unlock(&dmac->lock);
 }
 
-#define evo_mthd(p,m,s) *((p)++) = (((s) << 18) | (m))
-#define evo_data(p,d)   *((p)++) = (d)
+#define evo_mthd(p,m,s) do { \
+	const u32 _s = (s), _m = (m); \
+	printk(KERN_ERR "%04x %d\n", _m, _s); \
+	*((p)++) = ((_s << 18) | _m); \
+} while(0)
+#define evo_data(p,d) do { \
+	const u32 _d = (d); \
+	*((p)++) = _d; \
+} while(0)
 
 static bool
 evo_sync_wait(void *data)
-- 
2.1.2