gpu: nvgpu: report GR_SEMAPHORE_TIMEOUT on PBDMA sema timeout

As with GR's semaphore acquires that timeout, report
NVGPU_CHANNEL_GR_SEMAPHORE_TIMEOUT to userspace in the error notifier
also when a semaphore acquire timeout interrupt is received from PBDMA.
This timeout is used when the kernel watchdog timer is enabled.

Bug 1782480

Change-Id: I1ceb8632548c5e89febb2b80a5850116a2d4b670
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1574293
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
index 9eb2204d..848e5123 100644
--- a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
@@ -2341,6 +2341,7 @@ unsigned int gk20a_fifo_handle_pbdma_intr_0(struct gk20a *g, u32 pbdma_id,
                         rc_type = RC_TYPE_PBDMA_FAULT;
                         nvgpu_err(g,
                                 "semaphore acquire timeout!");
+                        *error_notifier = NVGPU_CHANNEL_GR_SEMAPHORE_TIMEOUT;
                 }
                 *handled |= pbdma_intr_0_acquire_pending_f();
         }