gpu: nvgpu: Add thermal alert limit IOCTL for UMD

Added the thermal alert lmit IOCTL for UMD

JIRA DNVGPU-130
Bug 200231080

Change-Id: I4a84157d90b12b576fa144567a3bdd5d39f5278e
Signed-off-by: Lakshmanan M <lm@nvidia.com>
Reviewed-on: http://git-master/r/1249483
(cherry picked from commit d3458008cc3dd98d3a51841b6ed8cea1aed9eb89)
Reviewed-on: http://git-master/r/1253457
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>

1 files changed, 29 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c b/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c
index 9ee06bf3..a7f61c8c 100644
--- a/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c
@@ -1298,6 +1298,30 @@ static int nvgpu_gpu_get_temperature(struct gk20a *g,
 }
 #endif
 
+static int nvgpu_gpu_set_therm_alert_limit(struct gk20a *g,
+                struct nvgpu_gpu_set_therm_alert_limit_args *args)
+{
+        int err;
+
+        gk20a_dbg_fn("");
+
+        if (args->reserved[0] || args->reserved[1] || args->reserved[2])
+                return -EINVAL;
+
+        if (!g->ops.therm.configure_therm_alert)
+                return -EINVAL;
+
+        err = gk20a_busy(g->dev);
+        if (err)
+                return err;
+
+        err = g->ops.therm.configure_therm_alert(g, args->temp_f24_8);
+
+        gk20a_idle(g->dev);
+
+        return err;
+}
+
 long gk20a_ctrl_dev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
         struct gk20a_ctrl_priv *priv = filp->private_data;
@@ -1606,6 +1630,11 @@ long gk20a_ctrl_dev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg
                 break;
 #endif
 
+        case NVGPU_GPU_IOCTL_SET_THERM_ALERT_LIMIT:
+                err = nvgpu_gpu_set_therm_alert_limit(g,
+                        (struct nvgpu_gpu_set_therm_alert_limit_args *)buf);
+                break;
+
         default:
                 dev_dbg(dev_from_gk20a(g), "unrecognized gpu ioctl cmd: 0x%x", cmd);
                 err = -ENOTTY;