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gpu: nvgpu: add clocks control capability

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Add NVGPU_GPU_FLAGS_SUPPORT_CLOCK_CONTROLS bit to allow user library
to determine if GPU supports clock control ioctls.

Jira DNVGPU-125

Change-Id: Ia09808ed36aa85a7c520039bb336888e2b467076
Signed-off-by: David Martine Nieto <dmartineznie@nvidia.com>
Reviewed-on: http://git-master/r/1239379
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1267154
Reviewed-by: Automatic_Commit_Validation_User
This commit is contained in:
Thomas Fleury
2016-10-14 10:41:07 -07:00
committed by mobile promotions
parent a4731b3282
commit 8cfcf181f1
2 changed files with 15 additions and 2 deletions
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3
drivers/gpu/nvgpu/gk20a/gk20a.c
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@@ -2056,6 +2056,9 @@ int gk20a_init_gpu_characteristics(struct gk20a *g)
gpu->flags |= NVGPU_GPU_FLAGS_SUPPORT_USERSPACE_MANAGED_AS;
gpu->flags |= NVGPU_GPU_FLAGS_SUPPORT_TSG;
if (g->ops.clk_arb.get_arbiter_clk_domains)
gpu->flags |= NVGPU_GPU_FLAGS_SUPPORT_CLOCK_CONTROLS;
gpu->gpc_mask = (1 << g->gr.gpc_count)-1;
g->ops.gr.detect_sm_arch(g);