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gpu: nvgpu: use own usermode gpfifo object

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Add usermode_gpfifo member to channel to store the usermode-owned buffer
data. This makes it more explicit about which (user or kernel) memory is
accessed.

Jira NVGPU-967

Change-Id: I98e4f4568f04aa31e00e497794fadd4997ba8aab
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1807503
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Sourab Gupta <sourabg@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Konsta Holtta
2018-08-27 16:28:25 +03:00
committed by mobile promotions
parent bc6625b9b2
commit 268c298f45
3 changed files with 30 additions and 24 deletions
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drivers/gpu/nvgpu/gk20a/channel_gk20a.h
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@@ -228,6 +228,7 @@ struct channel_gk20a {
struct gpfifo_desc gpfifo;
struct nvgpu_mem usermode_userd; /* Used for Usermode Submission */
struct nvgpu_mem usermode_gpfifo;
struct nvgpu_mem inst_block;
u64 userd_iova;