msm: kgsl: Read the queued timestamp from the device

Add KGSL_TIMESTAMP_QUEUED to the list of timestamp types that can be
queried from the device specific readtimestamp. QUEUED returns the
last timestamp ID that was initiated by issuing a command buffer to
the ringbuffer.

Change-Id: Ic0dedbad780cbc9f7d4cf5cf2ffc11a7d9d2d3e5
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
diff --git a/include/linux/msm_kgsl.h b/include/linux/msm_kgsl.h
index ee1a22e..ed9b98a 100644
--- a/include/linux/msm_kgsl.h
+++ b/include/linux/msm_kgsl.h
@@ -112,7 +112,7 @@
 enum kgsl_timestamp_type {
 	KGSL_TIMESTAMP_CONSUMED = 0x00000001, /* start-of-pipeline timestamp */
 	KGSL_TIMESTAMP_RETIRED  = 0x00000002, /* end-of-pipeline timestamp*/
-	KGSL_TIMESTAMP_MAX      = 0x00000002,
+	KGSL_TIMESTAMP_QUEUED   = 0x00000003,
 };
 
 /* property types - used with kgsl_device_getproperty */