drm/i915/intel_i2c: reduce verbosity of some messages

Some of these messages can be hit when userspace tries to probe the i2c
with nothing connected or if the driver code tries to do the same.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=48248
Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c
index e249160..e04255e 100644
--- a/drivers/gpu/drm/i915/intel_i2c.c
+++ b/drivers/gpu/drm/i915/intel_i2c.c
@@ -383,7 +383,7 @@
 	 */
 	if (wait_for((I915_READ(GMBUS2 + reg_offset) & GMBUS_ACTIVE) == 0,
 		     10)) {
-		DRM_INFO("GMBUS [%s] timed out waiting for idle\n",
+		DRM_DEBUG_KMS("GMBUS [%s] timed out waiting for idle\n",
 			 adapter->name);
 		ret = -ETIMEDOUT;
 	}
@@ -399,7 +399,8 @@
 	 */
 	if (wait_for((I915_READ(GMBUS2 + reg_offset) & GMBUS_ACTIVE) == 0,
 		     10))
-		DRM_INFO("GMBUS [%s] timed out after NAK\n", adapter->name);
+		DRM_DEBUG_KMS("GMBUS [%s] timed out after NAK\n",
+			      adapter->name);
 
 	/* Toggle the Software Clear Interrupt bit. This has the effect
 	 * of resetting the GMBUS controller and so clearing the
@@ -409,7 +410,7 @@
 	I915_WRITE(GMBUS1 + reg_offset, 0);
 	I915_WRITE(GMBUS0 + reg_offset, 0);
 
-	DRM_DEBUG_DRIVER("GMBUS [%s] NAK for addr: %04x %c(%d)\n",
+	DRM_DEBUG_KMS("GMBUS [%s] NAK for addr: %04x %c(%d)\n",
 			 adapter->name, msgs[i].addr,
 			 (msgs[i].flags & I2C_M_RD) ? 'r' : 'w', msgs[i].len);