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, 80 deletions

diff --git a/drivers/gpu/nvgpu/gm20b/gr_gm20b.c b/drivers/gpu/nvgpu/gm20b/gr_gm20b.c
index 200f58a3..368c9321 100644
--- a/drivers/gpu/nvgpu/gm20b/gr_gm20b.c
+++ b/drivers/gpu/nvgpu/gm20b/gr_gm20b.c
@@ -1306,22 +1306,6 @@ static void gm20b_gr_read_sm_error_state(struct gk20a *g,
 
 }
 
-static void gm20b_gr_write_sm_error_state(struct gk20a *g,
-                        u32 offset,
-                        struct nvgpu_tsg_sm_error_state *sm_error_states)
-{
-        gk20a_writel(g, gr_gpc0_tpc0_sm_hww_global_esr_r() + offset,
-                                sm_error_states->hww_global_esr);
-        gk20a_writel(g, gr_gpc0_tpc0_sm_hww_warp_esr_r() + offset,
-                                sm_error_states->hww_warp_esr);
-        gk20a_writel(g, gr_gpc0_tpc0_sm_hww_warp_esr_pc_r() + offset,
-                                u64_lo32(sm_error_states->hww_warp_esr_pc));
-        gk20a_writel(g, gr_gpcs_tpcs_sm_hww_global_esr_report_mask_r() + offset,
-                                sm_error_states->hww_global_esr_report_mask);
-        gk20a_writel(g, gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_r() + offset,
-                                sm_error_states->hww_warp_esr_report_mask);
-}
-
 int gm20b_gr_record_sm_error_state(struct gk20a *g, u32 gpc, u32 tpc, u32 sm,
                                 struct channel_gk20a *fault_ch)
 {
@@ -1356,70 +1340,6 @@ record_fail:
         return sm_id;
 }
 
-int gm20b_gr_update_sm_error_state(struct gk20a *g,
-                struct channel_gk20a *ch, u32 sm_id,
-                struct nvgpu_tsg_sm_error_state *sm_error_state)
-{
-        u32 gpc, tpc, offset;
-        struct tsg_gk20a *tsg;
-        struct nvgpu_gr_ctx *ch_ctx;
-        struct nvgpu_tsg_sm_error_state *tsg_sm_error_states;
-        u32 gpc_stride = nvgpu_get_litter_value(g, GPU_LIT_GPC_STRIDE);
-        u32 tpc_in_gpc_stride = nvgpu_get_litter_value(g,
-                                               GPU_LIT_TPC_IN_GPC_STRIDE);
-        int err = 0;
-
-        tsg = tsg_gk20a_from_ch(ch);
-        if (!tsg) {
-                return -EINVAL;
-        }
-
-        ch_ctx = &tsg->gr_ctx;
-
-        nvgpu_mutex_acquire(&g->dbg_sessions_lock);
-
-        tsg_sm_error_states = tsg->sm_error_states + sm_id;
-        gk20a_tsg_update_sm_error_state_locked(tsg, sm_id, sm_error_state);
-
-        err = gr_gk20a_disable_ctxsw(g);
-        if (err) {
-                nvgpu_err(g, "unable to stop gr ctxsw");
-                goto fail;
-        }
-
-        gpc = g->gr.sm_to_cluster[sm_id].gpc_index;
-        tpc = g->gr.sm_to_cluster[sm_id].tpc_index;
-
-        offset = gpc_stride * gpc + tpc_in_gpc_stride * tpc;
-
-        if (gk20a_is_channel_ctx_resident(ch)) {
-                gm20b_gr_write_sm_error_state(g, offset, tsg_sm_error_states);
-        } else {
-                err = gr_gk20a_ctx_patch_write_begin(g, ch_ctx, false);
-                if (err) {
-                        goto enable_ctxsw;
-                }
-
-                gr_gk20a_ctx_patch_write(g, ch_ctx,
-                        gr_gpcs_tpcs_sm_hww_global_esr_report_mask_r() + offset,
-                        tsg_sm_error_states->hww_global_esr_report_mask,
-                        true);
-                gr_gk20a_ctx_patch_write(g, ch_ctx,
-                        gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_r() + offset,
-                        tsg_sm_error_states->hww_warp_esr_report_mask,
-                        true);
-
-                gr_gk20a_ctx_patch_write_end(g, ch_ctx, false);
-        }
-
-enable_ctxsw:
-        err = gr_gk20a_enable_ctxsw(g);
-
-fail:
-        nvgpu_mutex_release(&g->dbg_sessions_lock);
-        return err;
-}
-
 int gm20b_gr_clear_sm_error_state(struct gk20a *g,
                 struct channel_gk20a *ch, u32 sm_id)
 {