gpu: nvgpu: vgpu: pass pid when allocate context

Bug 1648908

Change-Id: I39b1becf0b00e930a180a5a8367c22ff4d495446
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: http://git-master/r/1031860
(cherry picked from commit f1940e1438fb3494c3093f1ab6a11bed6deb2b93)
Reviewed-on: http://git-master/r/1022182
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/vgpu/fifo_vgpu.c b/drivers/gpu/nvgpu/vgpu/fifo_vgpu.c
index e636d5ae..9e40218d 100644
--- a/drivers/gpu/nvgpu/vgpu/fifo_vgpu.c
+++ b/drivers/gpu/nvgpu/vgpu/fifo_vgpu.c
@@ -81,6 +81,7 @@ static int vgpu_channel_alloc_inst(struct gk20a *g, struct channel_gk20a *ch)
         msg.cmd = TEGRA_VGPU_CMD_CHANNEL_ALLOC_HWCTX;
         msg.handle = platform->virt_handle;
         p->id = ch->hw_chid;
+        p->pid = (u64)current->pid;
         err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
         if (err || msg.ret) {
                 gk20a_err(dev_from_gk20a(g), "fail");