From c79112f3b1e2a428603e06486bd3cea83942c14e Mon Sep 17 00:00:00 2001 From: Deepak Nibade Date: Wed, 25 Oct 2017 01:42:03 -0700 Subject: gpu: nvgpu: initialize czf_bypass only once We right now initialize czf_bypass value in gr_gp10b_init_preemption_state() which is run at every rail ungate And that results in any user specified value through sysfs getting lost after railgate To fix this, move initialization of czf_bypass to gk20a_init_gr_setup_sw() so that it gets initialized only once Add new HAL g->ops.gr.init_czf_bypass to initialize same and define it for gp10b/gp106/vgpu-gp10b Bug 2008262 Change-Id: I80a38ef527c86e32c6d64d0626b867239db9ea51 Signed-off-by: Deepak Nibade Reviewed-on: https://git-master.nvidia.com/r/1585224 Reviewed-by: mobile promotions Tested-by: mobile promotions --- drivers/gpu/nvgpu/gp10b/gr_gp10b.h | 1 + 1 file changed, 1 insertion(+) (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 6ae4789a..9ddc0375 100644 --- a/drivers/gpu/nvgpu/gp10b/gr_gp10b.h +++ b/drivers/gpu/nvgpu/gp10b/gr_gp10b.h @@ -143,6 +143,7 @@ int gr_gp10b_init_preemption_state(struct gk20a *g); void gr_gp10b_set_preemption_buffer_va(struct gk20a *g, struct nvgpu_mem *mem, u64 gpu_va); 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); struct gr_t18x { -- cgit v1.2.2