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gpu: nvgpu: fix pmu_copy_to_dmem spew

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The error check was not taking account of
the DMEM address wrap-around

JIRA DNVGPU-34

Change-Id: Ibfed5532c3ee785b3061e6837f012939118a7ece
Signed-off-by: David Nieto <dmartineznie@nvidia.com>
Reviewed-on: http://git-master/r/1206460
(cherry picked from commit 080953c20f91068ccaaa564d9492a1582ffa28fe)
Reviewed-on: http://git-master/r/1218297
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
David Nieto
2016-08-23 10:06:16 -07:00
committed by mobile promotions
parent 2d35eee68f
commit 24c38aed59
1 changed files with 1 additions and 1 deletions
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drivers/gpu/nvgpu/gk20a/pmu_gk20a.c
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@@ -2066,7 +2066,7 @@ void pmu_copy_to_dmem(struct pmu_gk20a *pmu,
data = gk20a_readl(g, pwr_falcon_dmemc_r(port)) & addr_mask;
size = ALIGN(size, 4);
if (data != dst + size) {
if (data != ((dst + size) & addr_mask)) {
gk20a_err(dev_from_gk20a(g),
"copy failed. bytes written %d, expected %d",
data - dst, size);