gpu: nvgpu: vgpu: add event TEGRA_VGPU_EVENT_SEMAPHORE_WAKEUP

RM Server will implement callback for semaphore wakeup and broadcast
event TEGRA_VGPU_EVENT_SEMAPHORE_WAKEUP. The patch adds handling of the
event in vgpu code.

Jira VQRM-3058

Change-Id: Ife38eff8252f5b4036e6df71f1c64c99cb58c1b5
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1676240
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/vgpu/vgpu.c b/drivers/gpu/nvgpu/vgpu/vgpu.c
index eb56d4f9..3b53474d 100644
--- a/drivers/gpu/nvgpu/vgpu/vgpu.c
+++ b/drivers/gpu/nvgpu/vgpu/vgpu.c
@@ -165,6 +165,10 @@ int vgpu_intr_thread(void *dev_id)
                 case TEGRA_VGPU_EVENT_SM_ESR:
                         vgpu_gr_handle_sm_esr_event(g, &msg->info.sm_esr);
                         break;
+                case TEGRA_VGPU_EVENT_SEMAPHORE_WAKEUP:
+                        g->ops.semaphore_wakeup(g,
+                                        !!msg->info.sem_wakeup.post_events);
+                        break;
                 default:
                         nvgpu_err(g, "unknown event %u", msg->event);
                         break;