gpu: nvgpu: Remove NVGPU_DBG_GPU_IOCTL_WRITE_SINGLE_SM_ERROR_STATE API

Remove the API as it has no use cases.

Bug 200445906

Change-Id: Ia2803bd05d78853963011a67091b34ba5bdb3732
Signed-off-by: Anup Mahindre <amahindre@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1817629
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 0 insertions, 77 deletions

diff --git a/drivers/gpu/nvgpu/os/linux/ioctl_dbg.c b/drivers/gpu/nvgpu/os/linux/ioctl_dbg.c
index 1eace94b..953b7168 100644
--- a/drivers/gpu/nvgpu/os/linux/ioctl_dbg.c
+++ b/drivers/gpu/nvgpu/os/linux/ioctl_dbg.c
@@ -260,78 +260,6 @@ static int nvgpu_dbg_gpu_ioctl_timeout(struct dbg_session_gk20a *dbg_s,
         return err;
 }
 
-static int nvgpu_dbg_gpu_ioctl_write_single_sm_error_state(
-                struct dbg_session_gk20a *dbg_s,
-                struct nvgpu_dbg_gpu_write_single_sm_error_state_args *args)
-{
-        struct gk20a *g = dbg_s->g;
-        struct gr_gk20a *gr = &g->gr;
-        u32 sm_id;
-        struct channel_gk20a *ch;
-        struct nvgpu_dbg_gpu_sm_error_state_record sm_error_state_record;
-        struct nvgpu_tsg_sm_error_state sm_error_state;
-        int err = 0;
-
-        /* Not currently supported in the virtual case */
-        if (g->is_virtual) {
-                return -ENOSYS;
-        }
-
-        ch = nvgpu_dbg_gpu_get_session_channel(dbg_s);
-        if (ch == NULL) {
-                return -EINVAL;
-        }
-
-        sm_id = args->sm_id;
-        if (sm_id >= gr->no_of_sm) {
-                return -EINVAL;
-        }
-
-        nvgpu_speculation_barrier();
-
-        if (args->sm_error_state_record_size > 0) {
-                size_t read_size = sizeof(sm_error_state_record);
-
-                if (read_size > args->sm_error_state_record_size)
-                        read_size = args->sm_error_state_record_size;
-
-                nvgpu_mutex_acquire(&g->dbg_sessions_lock);
-                err = copy_from_user(&sm_error_state_record,
-                          (void __user *)(uintptr_t)
-                                args->sm_error_state_record_mem,
-                          read_size);
-                nvgpu_mutex_release(&g->dbg_sessions_lock);
-                if (err != 0) {
-                        return -ENOMEM;
-                }
-        }
-
-        err = gk20a_busy(g);
-        if (err != 0) {
-                return err;
-        }
-
-        sm_error_state.hww_global_esr =
-                sm_error_state_record.hww_global_esr;
-        sm_error_state.hww_warp_esr =
-                sm_error_state_record.hww_warp_esr;
-        sm_error_state.hww_warp_esr_pc =
-                sm_error_state_record.hww_warp_esr_pc;
-        sm_error_state.hww_global_esr_report_mask =
-                sm_error_state_record.hww_global_esr_report_mask;
-        sm_error_state.hww_warp_esr_report_mask =
-                sm_error_state_record.hww_warp_esr_report_mask;
-
-        err = gr_gk20a_elpg_protected_call(g,
-                        g->ops.gr.update_sm_error_state(g, ch,
-                                        sm_id, &sm_error_state));
-
-        gk20a_idle(g);
-
-        return err;
-}
-
-
 static int nvgpu_dbg_gpu_ioctl_read_single_sm_error_state(
                 struct dbg_session_gk20a *dbg_s,
                 struct nvgpu_dbg_gpu_read_single_sm_error_state_args *args)
@@ -2066,11 +1994,6 @@ long gk20a_dbg_gpu_dev_ioctl(struct file *filp, unsigned int cmd,
                   (struct nvgpu_dbg_gpu_clear_single_sm_error_state_args *)buf);
                 break;
 
-        case NVGPU_DBG_GPU_IOCTL_WRITE_SINGLE_SM_ERROR_STATE:
-                err = nvgpu_dbg_gpu_ioctl_write_single_sm_error_state(dbg_s,
-                  (struct nvgpu_dbg_gpu_write_single_sm_error_state_args *)buf);
-                break;
-
         case NVGPU_DBG_GPU_IOCTL_UNBIND_CHANNEL:
                 err = dbg_unbind_channel_gk20a(dbg_s,
                              (struct nvgpu_dbg_gpu_unbind_channel_args *)buf);