From 7a4cb4a6ab6c861a94e9105360967894df749f03 Mon Sep 17 00:00:00 2001 From: seshendra Gadagottu Date: Wed, 15 Nov 2017 14:35:43 -0800 Subject: gpu: nvgpu: gv11b: gfxp wfi timeout For gv11b, configured gfx preemption wfi timeout in usec. Set timeout unit as usec in gr_gv11b_init_preemption_state. Used default timeout as 1msec and this timeout value can be modified through sysfs node: /sys/devices/gpu.0/gfxp_wfi_timeout_count For gp10b: gfxp_wfi_timeout_count is in syclk cycles For gv11b: gfxp_wfi_timeout_count is in usec Bug 2003668 Change-Id: I68d52ce996a83df90b8b3a8164debb07e5cb370f Signed-off-by: seshendra Gadagottu Reviewed-on: https://git-master.nvidia.com/r/1599658 Reviewed-by: mobile promotions Tested-by: mobile promotions --- drivers/gpu/nvgpu/gp10b/gr_gp10b.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/gpu/nvgpu/gp10b/gr_gp10b.h') diff --git a/drivers/gpu/nvgpu/gp10b/gr_gp10b.h b/drivers/gpu/nvgpu/gp10b/gr_gp10b.h index 55117022..3b0f0f2e 100644 --- a/drivers/gpu/nvgpu/gp10b/gr_gp10b.h +++ b/drivers/gpu/nvgpu/gp10b/gr_gp10b.h @@ -144,5 +144,7 @@ void gr_gp10b_set_preemption_buffer_va(struct gk20a *g, int gr_gp10b_set_czf_bypass(struct gk20a *g, struct channel_gk20a *ch); void gr_gp10b_init_czf_bypass(struct gk20a *g); void gr_gp10b_init_ctxsw_hdr_data(struct gk20a *g, struct nvgpu_mem *mem); +void gr_gp10b_init_gfxp_wfi_timeout_count(struct gk20a *g); +unsigned long gr_gp10b_get_max_gfxp_wfi_timeout_count(struct gk20a *g); #endif -- cgit v1.2.2