gpu: nvgpu: gv11b: implement ecc scrubber

Check the availability of ecc units by checking
relevant ecc fuse and fuse overrides.

During gpu boot, initialize ecc units by scrubbing
individual ecc units available.  ECC initialization
should be done before gr initialization.

Following ecc units are scrubbed:
SM LRF
SM L1 DATA
SM L1 TAG
SM CBU
SM ICACHE

Bug 200339497

Change-Id: I54bf8cc1fce639a9993bf80984dafc28dca0dba3
Signed-off-by: Deepak Goyal <dgoyal@nvidia.com>
Signed-off-by: seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1612734
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gv11b/gv11b.h b/drivers/gpu/nvgpu/gv11b/gv11b.h
index 3d5490e6..17dfa7aa 100644
--- a/drivers/gpu/nvgpu/gv11b/gv11b.h
+++ b/drivers/gpu/nvgpu/gv11b/gv11b.h
@@ -27,6 +27,7 @@
 
 #include "gk20a/gk20a.h"
 
+void gv11b_detect_ecc_enabled_units(struct gk20a *g);
 int gv11b_init_gpu_characteristics(struct gk20a *g);
 
 #endif /* GV11B_H */