drm: Add DRM_DEBUG_ATOMIC
Atomic state handling adds a lot of indirection and complexity between
simple updates and drivers. For easier debugging the diagnostic output
is therefore rather chatty. Which is great for tracking down atomic
issues, but really annoying otherwise.
Add a new DRM_DEBUG_ATOMIC to be able to filter this out.
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index e928625..52999ba 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -104,6 +104,9 @@
* PRIME: used in the prime code.
* This is the category used by the DRM_DEBUG_PRIME() macro.
*
+ * ATOMIC: used in the atomic code.
+ * This is the category used by the DRM_DEBUG_ATOMIC() macro.
+ *
* Enabling verbose debug messages is done through the drm.debug parameter,
* each category being enabled by a bit.
*
@@ -121,6 +124,7 @@
#define DRM_UT_DRIVER 0x02
#define DRM_UT_KMS 0x04
#define DRM_UT_PRIME 0x08
+#define DRM_UT_ATOMIC 0x10
extern __printf(2, 3)
void drm_ut_debug_printk(const char *function_name,
@@ -207,6 +211,11 @@
if (unlikely(drm_debug & DRM_UT_PRIME)) \
drm_ut_debug_printk(__func__, fmt, ##args); \
} while (0)
+#define DRM_DEBUG_ATOMIC(fmt, args...) \
+ do { \
+ if (unlikely(drm_debug & DRM_UT_ATOMIC)) \
+ drm_ut_debug_printk(__func__, fmt, ##args); \
+ } while (0)
/*@}*/