1 files changed, 19 insertions, 4 deletions

diff --git a/drivers/gpu/nvgpu/vgpu/gr_vgpu.c b/drivers/gpu/nvgpu/vgpu/gr_vgpu.c
index 7ffe96fe..a98c9d38 100644
--- a/drivers/gpu/nvgpu/vgpu/gr_vgpu.c
+++ b/drivers/gpu/nvgpu/vgpu/gr_vgpu.c
@@ -1077,11 +1077,26 @@ static int vgpu_gr_clear_sm_error_state(struct gk20a *g,
                 struct channel_gk20a *ch, u32 sm_id)
 {
         struct gr_gk20a *gr = &g->gr;
+        struct tegra_vgpu_cmd_msg msg;
+        struct tegra_vgpu_clear_sm_error_state *p =
+                        &msg.params.clear_sm_error_state;
+        int err;
 
         nvgpu_mutex_acquire(&g->dbg_sessions_lock);
+        msg.cmd = TEGRA_VGPU_CMD_CLEAR_SM_ERROR_STATE;
+        msg.handle = vgpu_get_handle(g);
+        p->handle = ch->virt_ctx;
+        p->sm_id = sm_id;
+
+        err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
+        WARN_ON(err || msg.ret);
+
         memset(&gr->sm_error_states[sm_id], 0, sizeof(*gr->sm_error_states));
         nvgpu_mutex_release(&g->dbg_sessions_lock);
 
+        return err ? err : msg.ret;
+
+
         return 0;
 }
 
@@ -1099,8 +1114,8 @@ static int vgpu_gr_suspend_resume_contexts(struct gk20a *g,
         int channel_fd = -1;
         int err = 0;
 
-        mutex_lock(&g->dbg_sessions_lock);
-        mutex_lock(&dbg_s->ch_list_lock);
+        nvgpu_mutex_acquire(&g->dbg_sessions_lock);
+        nvgpu_mutex_acquire(&dbg_s->ch_list_lock);
 
         n = 0;
         list_for_each_entry(ch_data, &dbg_s->ch_list, ch_entry)
@@ -1137,8 +1152,8 @@ static int vgpu_gr_suspend_resume_contexts(struct gk20a *g,
         }
 
 fail:
-        mutex_unlock(&dbg_s->ch_list_lock);
-        mutex_unlock(&g->dbg_sessions_lock);
+        nvgpu_mutex_release(&dbg_s->ch_list_lock);
+        nvgpu_mutex_release(&g->dbg_sessions_lock);
 
         *ctx_resident_ch_fd = channel_fd;
         kfree(msg);