diff options
author | Terje Bergstrom <tbergstrom@nvidia.com> | 2017-12-06 17:22:52 -0500 |
---|---|---|
committer | mobile promotions <svcmobile_promotions@nvidia.com> | 2017-12-12 17:03:57 -0500 |
commit | 6e3f9112eaf351276b10391f020d203d87314172 (patch) | |
tree | 535f026043366262fa45d2dc202412f287cbec07 /drivers/gpu/nvgpu/common/linux | |
parent | 3cb9cd5267074b42b7ecd7e1c21c61b2589b4932 (diff) |
gpu: nvgpu: Disallow use of bare channels
All channels need to now be wrapped in TSGs. Disallow use of bare
channels by preventing creation of GPFIFO for them.
Bug 1842197
Change-Id: Id0ebee4c590804b96c09f8951e35ba2680b596e7
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1612697
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Diffstat (limited to 'drivers/gpu/nvgpu/common/linux')
-rw-r--r-- | drivers/gpu/nvgpu/common/linux/cde.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/nvgpu/common/linux/cde.c b/drivers/gpu/nvgpu/common/linux/cde.c index b48c498d..f6b43113 100644 --- a/drivers/gpu/nvgpu/common/linux/cde.c +++ b/drivers/gpu/nvgpu/common/linux/cde.c | |||
@@ -1294,7 +1294,8 @@ static int gk20a_cde_load(struct gk20a_cde_ctx *cde_ctx) | |||
1294 | } | 1294 | } |
1295 | 1295 | ||
1296 | /* allocate gpfifo (1024 should be more than enough) */ | 1296 | /* allocate gpfifo (1024 should be more than enough) */ |
1297 | err = gk20a_channel_alloc_gpfifo(ch, 1024, 0, 0); | 1297 | err = gk20a_channel_alloc_gpfifo(ch, 1024, 0, |
1298 | NVGPU_GPFIFO_FLAGS_ALLOW_BARE_CHANNEL); | ||
1298 | if (err) { | 1299 | if (err) { |
1299 | nvgpu_warn(g, "cde: unable to allocate gpfifo"); | 1300 | nvgpu_warn(g, "cde: unable to allocate gpfifo"); |
1300 | goto err_alloc_gpfifo; | 1301 | goto err_alloc_gpfifo; |