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 <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1599658
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/hw/gv11b/hw_gr_gv11b.h b/drivers/gpu/nvgpu/include/nvgpu/hw/gv11b/hw_gr_gv11b.h
index 692b7ba3..805d8b0e 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/hw/gv11b/hw_gr_gv11b.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/hw/gv11b/hw_gr_gv11b.h
@@ -4292,6 +4292,10 @@ static inline u32 gr_fe_gfxp_wfi_timeout_count_disabled_f(void)
 {
         return 0x0U;
 }
+static inline u32 gr_fe_gfxp_wfi_timeout_count_init_f(void)
+{
+        return 0x800U;
+}
 static inline u32 gr_gpcs_tpcs_sm_texio_control_r(void)
 {
         return 0x00419bd8U;
@@ -4936,4 +4940,20 @@ static inline u32 gr_fecs_falcon_ecc_uncorrected_err_count_unique_total_v(u32 r)
 {
         return (r >> 16U) & 0xffffU;
 }
+static inline u32 gr_debug_2_r(void)
+{
+        return 0x00400088U;
+}
+static inline u32 gr_debug_2_gfxp_wfi_timeout_unit_m(void)
+{
+        return 0x1U << 27U;
+}
+static inline u32 gr_debug_2_gfxp_wfi_timeout_unit_usec_f(void)
+{
+        return 0x0U;
+}
+static inline u32 gr_debug_2_gfxp_wfi_timeout_unit_sysclk_f(void)
+{
+        return 0x8000000U;
+}
 #endif