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gpu: nvgpu: API to return preemption modes

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Add API gr_gp10b_get_preemption_mode_flags() to return
supported and default graphics/compute preemption modes
on gp10b

Bug 1646259

Change-Id: I291a82a911e021b605b6d1ccae9cef663cc7a01a
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1133596
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Deepak Nibade
2016-04-27 19:02:51 +05:30
parent 6113c679a9
commit c09f0baf5b
1 changed files with 20 additions and 0 deletions
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20
drivers/gpu/nvgpu/gp10b/gr_gp10b.c
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@@ -1971,6 +1971,25 @@ unmap_ctx:
return err;
}
static int gr_gp10b_get_preemption_mode_flags(struct gk20a *g,
struct nvgpu_preemption_modes_rec *preemption_modes_rec)
{
preemption_modes_rec->graphics_preemption_mode_flags = (
NVGPU_GRAPHICS_PREEMPTION_MODE_WFI |
NVGPU_GRAPHICS_PREEMPTION_MODE_GFXP);
preemption_modes_rec->compute_preemption_mode_flags = (
NVGPU_COMPUTE_PREEMPTION_MODE_WFI |
NVGPU_COMPUTE_PREEMPTION_MODE_CTA |
NVGPU_COMPUTE_PREEMPTION_MODE_CILP);
preemption_modes_rec->default_graphics_preempt_mode =
NVGPU_GRAPHICS_PREEMPTION_MODE_WFI;
preemption_modes_rec->default_compute_preempt_mode =
NVGPU_COMPUTE_PREEMPTION_MODE_WFI;
return 0;
}
void gp10b_init_gr(struct gpu_ops *gops)
{
gm20b_init_gr(gops);
@@ -2011,4 +2030,5 @@ void gp10b_init_gr(struct gpu_ops *gops)
gops->gr.get_lrf_tex_ltc_dram_override = get_ecc_override_val;
gops->gr.suspend_contexts = gr_gp10b_suspend_contexts;
gops->gr.set_preemption_mode = gr_gp10b_set_preemption_mode;
gops->gr.get_preemption_mode_flags = gr_gp10b_get_preemption_mode_flags;
}