gpu: nvgpu: Catch DS exception

Catch DS exception and write an error to UART.

Change-Id: Iaad9813c48191f0d3d734d4af264b976a3818672
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/679142

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/hw_gr_gk20a.h b/drivers/gpu/nvgpu/gk20a/hw_gr_gk20a.h
index 8a6c2f23..2d63147a 100644
--- a/drivers/gpu/nvgpu/gk20a/hw_gr_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/hw_gr_gk20a.h
@@ -182,6 +182,10 @@ static inline u32 gr_exception_memfmt_m(void)
 {
         return 0x1 << 1;
 }
+static inline u32 gr_exception_ds_m(void)
+{
+        return 0x1 << 4;
+}
 static inline u32 gr_exception1_r(void)
 {
         return 0x00400118;