gpu: nvgpu: gv11b: implement gfxp wfi controls

/sys/devices/gpu.0/gfxp_wfi_timeout_unit
usec - microseconds
sysclk - gpu clock count

Treat gr_fe_gfxp_wfi_timeout_r as context-switched
register on gv11b.

Set default gfxp_wfi_timeout to 100 usec to match
gp10b at 1GHz.

bug 1888344

Signed-off-by: Kirill Artamonov <kartamonov@nvidia.com>
Change-Id: I7fa64ce6912ae861244856807543b17bd7a26bed
Reviewed-on: https://git-master.nvidia.com/r/1651517
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gv11b/gr_gv11b.h b/drivers/gpu/nvgpu/gv11b/gr_gv11b.h
index 2f8d2e17..0f42e795 100644
--- a/drivers/gpu/nvgpu/gv11b/gr_gv11b.h
+++ b/drivers/gpu/nvgpu/gv11b/gr_gv11b.h
@@ -34,6 +34,9 @@
 #define ZBC_STENCIL_CLEAR_FMT_INVAILD     0
 #define ZBC_STENCIL_CLEAR_FMT_U8          1
 
+#define GFXP_WFI_TIMEOUT_UNIT_SYSCLK      0
+#define GFXP_WFI_TIMEOUT_UNIT_USEC        1
+
 struct gk20a;
 struct gr_gk20a;
 struct zbc_entry;