commit 728bd15a81ab9b69452eff815c5b8ca0bc8fced2
author Carter Cooper <ccooper@codeaurora.org> Tue May 28 17:00:06 2013 -0600
committer Harsh Vardhan Dwivedi <hdwivedi@codeaurora.org> Fri Jun 21 15:37:37 2013 -0600
tree 2b8700a03c1bdc2d51227020e255e9f7f6c62b33
parent cb1721c988174c8817c3e3648a63489a35fd64c6

msm: kgsl: Add identifier for internal command submissions

Add an identifier to label internal commands being sent to the
ringbuffer.  This will be used to further enable debugging
and hang recovery.

Change-Id: I4b3c10f0c3d290ae092182cbb450abe65e9dda80
Signed-off-by: Carter Cooper <ccooper@codeaurora.org>

drivers/gpu/msm/adreno_ringbuffer.c

diff --git a/drivers/gpu/msm/adreno_ringbuffer.c b/drivers/gpu/msm/adreno_ringbuffer.c
index 48367fa..dce515f 100644
--- a/drivers/gpu/msm/adreno_ringbuffer.c
+++ b/drivers/gpu/msm/adreno_ringbuffer.c
@@ -565,6 +565,9 @@
 	/* 2 dwords to store the start of command sequence */
 	total_sizedwords += 2;
 
+	/* internal ib command identifier for the ringbuffer */
+	total_sizedwords += (flags & KGSL_CMD_FLAGS_INTERNAL_ISSUE) ? 2 : 0;
+
 	/* Add CP_COND_EXEC commands to generate CP_INTERRUPT */
 	total_sizedwords += context ? 13 : 0;
 
@@ -603,6 +606,11 @@
 	GSL_RB_WRITE(ringcmds, rcmd_gpu, cp_nop_packet(1));
 	GSL_RB_WRITE(ringcmds, rcmd_gpu, KGSL_CMD_IDENTIFIER);
 
+	if (flags & KGSL_CMD_FLAGS_INTERNAL_ISSUE) {
+		GSL_RB_WRITE(ringcmds, rcmd_gpu, cp_nop_packet(1));
+		GSL_RB_WRITE(ringcmds, rcmd_gpu, KGSL_CMD_INTERNAL_IDENTIFIER);
+	}
+
 	if (flags & KGSL_CMD_FLAGS_PMODE) {
 		/* disable protected mode error checking */
 		GSL_RB_WRITE(ringcmds, rcmd_gpu,