gpu: nvgpu: enable PCI MSI interrupts

Use MSI interrupts instead of legacy on PCIe
dGPUs to reduce latency and contention with other
PCIe devices

JIRA EVLR-986

Change-Id: I6cecc7e62e5797860d42a5bee21e8f4f664e1b18
Signed-off-by: David Nieto <dmartineznie@nvidia.com>
Reviewed-on: http://git-master/r/1291758
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/hw/gp106/hw_xve_gp106.h b/drivers/gpu/nvgpu/include/nvgpu/hw/gp106/hw_xve_gp106.h
index bfcb4883..c6e9a654 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/hw/gp106/hw_xve_gp106.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/hw/gp106/hw_xve_gp106.h
@@ -194,4 +194,9 @@ static inline u32 xve_reset_clock_counter_val_v(u32 r)
 {
         return (r >> 17) & 0x7ff;
 }
+static inline u32 xve_cya_2_r(void)
+{
+        return 0x00000704;
+}
+
 #endif