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gpu: nvgpu: improve error print in check_gp_put()

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Improve error print in check_gp_put() and dump put
pointer stored in channel's gpfifo structure and
the put pointer that we read from memory

Bug 200089835

Change-Id: I7e854398811330a43d9d9bf86bf29c5986ab22b7
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/722536
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Deepak Nibade
2015-03-25 14:11:54 +05:30
committed by Dan Willemsen
parent 079956c566
commit 87ccc6a02f
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/nvgpu/gk20a/channel_gk20a.c
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@@ -1178,7 +1178,8 @@ static inline bool check_gp_put(struct gk20a *g,
if (c->gpfifo.put != put) {
/*TBD: BUG_ON/teardown on this*/
gk20a_err(dev_from_gk20a(g), "gp_put changed unexpectedly "
"since last update");
"since last update, channel put = %u, ram put = %u\n",
c->gpfifo.put, put);
c->gpfifo.put = put;
return false; /* surprise! */
}