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gpu: nvgpu: move force preemption flags to gr_ctx_desc

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Debug boolean flags force_preemption_gfxp and force_preemption_cilp are
right now stored in gr_gk20a.ctx_vars struct
These flags logically are property of gr.ctx units since they indicate
whether each context should be forced to gfxp/cilp preemption mode by
default

Move these flags to struct nvgpu_gr_ctx_desc and remove them from
gr_gk20a.ctx_vars

Expose below APIs from gr.ctx unit to check if flags are set
nvgpu_gr_ctx_desc_force_preemption_gfxp()
nvgpu_gr_ctx_desc_force_preemption_cilp()

Move debugfs creation code to create corresponding debugfs to
gr_gk20a_debugfs_init() and change debugfs type from "u32" to "file"

Struct gr.gr_ctx_desc is created only during first poweron.
Return error if this struct is not available.

Remove unnecessary initialization of these variables from platform
specific probe functions

Jira NVGPU-3112

Change-Id: I8b2de27f0c71dd2ea5abcf94221c2e15c80073ea
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2099398
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vinod Gopalakrishnakurup <vinodg@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Deepak Nibade
2019-04-15 17:41:22 +05:30
committed by mobile promotions
parent 556e139077
commit ee5b3823ff
11 changed files with 144 additions and 25 deletions
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9
drivers/gpu/nvgpu/os/linux/debug.c
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@@ -410,15 +410,6 @@ void gk20a_debug_init(struct gk20a *g, const char *debugfs_symlink)
S_IRUGO|S_IWUSR,
l->debugfs,
&g->runlist_interleave);
l->debugfs_force_preemption_gfxp =
debugfs_create_bool("force_preemption_gfxp", S_IRUGO|S_IWUSR,
l->debugfs,
&g->gr->ctx_vars.force_preemption_gfxp);
l->debugfs_force_preemption_cilp =
debugfs_create_bool("force_preemption_cilp", S_IRUGO|S_IWUSR,
l->debugfs,
&g->gr->ctx_vars.force_preemption_cilp);
l->debugfs_dump_ctxsw_stats =
debugfs_create_bool("dump_ctxsw_stats_on_channel_close",