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authorBen Skeggs <bskeggs@redhat.com>2014-11-03 16:43:59 +1000
committerBen Skeggs <bskeggs@redhat.com>2014-12-02 15:44:02 +1000
commit2b1930c3f367c3f015d2f384020add20a5aec505 (patch)
tree02044c09f476e6f71d2caec81b29b73c3f73890e
parent6af5289e85f8f01bf319893f47873e7a4604c21f (diff)
drm/nv50-/kms: add some evo tracing ability for debugging
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
-rw-r--r--drivers/gpu/drm/nouveau/nv50_display.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index 49f6128276ff..2016d8ece028 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -440,8 +440,21 @@ evo_kick(u32 *push, void *evoc)
mutex_unlock(&dmac->lock);
}
+#if 1
#define evo_mthd(p,m,s) *((p)++) = (((s) << 18) | (m))
#define evo_data(p,d) *((p)++) = (d)
+#else
+#define evo_mthd(p,m,s) do { \
+ const u32 _m = (m), _s = (s); \
+ printk(KERN_ERR "%04x %d %s\n", _m, _s, __func__); \
+ *((p)++) = ((_s << 18) | _m); \
+} while(0)
+#define evo_data(p,d) do { \
+ const u32 _d = (d); \
+ printk(KERN_ERR "\t%08x\n", _d); \
+ *((p)++) = _d; \
+} while(0)
+#endif
static bool
evo_sync_wait(void *data)