2 files changed, 10 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index 763cccaf..60d04b64 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -1158,6 +1158,10 @@ struct gk20a {
         struct nvgpu_mem_alloc_tracker *vmallocs;
         struct nvgpu_mem_alloc_tracker *kmallocs;
 #endif
+
+        /* Some boards might be missing power sensor, preventing
+         * from monitoring power, current and voltage */
+        bool power_sensor_missing;
 };
 
 static inline unsigned long gk20a_get_gr_idle_timeout(struct gk20a *g)
diff --git a/drivers/gpu/nvgpu/gm206/bios_gm206.c b/drivers/gpu/nvgpu/gm206/bios_gm206.c
index cf737fed..2c84ac62 100644
--- a/drivers/gpu/nvgpu/gm206/bios_gm206.c
+++ b/drivers/gpu/nvgpu/gm206/bios_gm206.c
@@ -303,6 +303,12 @@ int gm206_bios_init(struct gk20a *g)
                 return -EINVAL;
         }
 
+        /* WAR for missing INA3221 on HW2.5 RevA */
+        g->power_sensor_missing =
+                (g->pci_vendor_id == PCI_VENDOR_ID_NVIDIA) &&
+                (g->pci_device_id == 0x1c75) &&
+                (g->gpu_characteristics.vbios_version == 0x86065300);
+
         g->bios_blob.data = g->bios.data;
         g->bios_blob.size = g->bios.size;