gpu: nvgpu: tpc powergating through sysfs

- adds static tpc-powergating through sysfs.
- active tpc count will remain till the GPU/systems is not booted again.
- tpc_pg_mask can be written only after GPU probe finishes and
  GPU boot is triggered.

Note:
To be able to use this feature, we need to change boot/init
scripts of the OS(used with nvgpu driver) to write to sysfs nodes before
posting discover image size query to FECS.

Bug 200406784

Change-Id: Id749c7a617422c625f77d0c1a9aada2eb960c4d0
Signed-off-by: Deepak Goyal <dgoyal@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1742422
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 36 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 90994a53..473eaff4 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
@@ -1572,6 +1572,42 @@ static inline u32 gr_fe_tpc_fs_r(u32 i)
 {
         return 0x0040a200U + i*4U;
 }
+static inline u32 gr_fe_tpc_pesmask_r(void)
+{
+        return 0x0040a260U;
+}
+static inline u32 gr_fe_tpc_pesmask_pesid_f(u32 v)
+{
+        return (v & 0x3fU) << 24U;
+}
+static inline u32 gr_fe_tpc_pesmask_gpcid_f(u32 v)
+{
+        return (v & 0xffU) << 16U;
+}
+static inline u32 gr_fe_tpc_pesmask_action_m(void)
+{
+        return 0x1U << 30U;
+}
+static inline u32 gr_fe_tpc_pesmask_action_write_f(void)
+{
+        return 0x40000000U;
+}
+static inline u32 gr_fe_tpc_pesmask_action_read_f(void)
+{
+        return 0x0U;
+}
+static inline u32 gr_fe_tpc_pesmask_req_m(void)
+{
+        return 0x1U << 31U;
+}
+static inline u32 gr_fe_tpc_pesmask_req_send_f(void)
+{
+        return 0x80000000U;
+}
+static inline u32 gr_fe_tpc_pesmask_mask_m(void)
+{
+        return 0xffffU << 0U;
+}
 static inline u32 gr_pri_mme_shadow_raw_index_r(void)
 {
         return 0x00404488U;