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gpu: nvgpu: Expose preemption flags to user space

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Expose CILP and GFXP flags to user space ioctl
NVGPU_IOCTL_CHANNEL_ALLOC_OBJ_CTX.

Bug 200111328

Change-Id: I10931db2babd3222e308fd491824d95204355ff3
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/748932
GVS: Gerrit_Virtual_Submit
This commit is contained in:
Terje Bergstrom
2015-05-29 18:34:37 -07:00
committed by Deepak Nibade
parent 4d30fe5a24
commit 634acd7422
2 changed files with 6 additions and 2 deletions
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4
drivers/gpu/nvgpu/gp10b/gr_gp10b.c
View File

@@ -475,7 +475,7 @@ static int gr_gp10b_alloc_gr_ctx(struct gk20a *g,
if (err)
return err;
if (flags == NVGPU_GR_PREEMPTION_MODE_GFXP) {
if (flags & NVGPU_ALLOC_OBJ_FLAGS_GFXP) {
u32 spill_size =
gr_gpc0_swdx_rm_spill_buffer_size_256b_default_v();
u32 pagepool_size = g->ops.gr.pagepool_default_size(g) *
@@ -528,7 +528,7 @@ static int gr_gp10b_alloc_gr_ctx(struct gk20a *g,
}
if (class == PASCAL_COMPUTE_A) {
if (flags == NVGPU_GR_PREEMPTION_MODE_CILP)
if (flags & NVGPU_ALLOC_OBJ_FLAGS_CILP)
(*gr_ctx)->preempt_mode = NVGPU_GR_PREEMPTION_MODE_CILP;
else
(*gr_ctx)->preempt_mode = NVGPU_GR_PREEMPTION_MODE_CTA;

4
include/uapi/linux/nvgpu-t18x.h
View File

@@ -39,6 +39,10 @@
*/
#define NVGPU_ALLOC_GPFIFO_FLAGS_REPLAYABLE_FAULTS_ENABLE (1 << 2)
/* Flags in nvgpu_alloc_obj_ctx_args.flags */
#define NVGPU_ALLOC_OBJ_FLAGS_GFXP (1 << 1)
#define NVGPU_ALLOC_OBJ_FLAGS_CILP (1 << 2)
#endif /* _UAPI__LINUX_NVGPU_T18X_IOCTL_H_ */