gpu: nvgpu: mark usermode submit supported for gv11b

Mark usermode submit supported in gv11b and add the characteristics flag
to expose the capability to userspace.

Bug 200145225
Bug 200541476

Change-Id: Id9dcb0c71c020bd509fbdbffb94a756c69377f20
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1795822
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
(cherry picked from commit 37659f5c8e0571655178c50a6296b68e3ebdc4cb
in rel-32)
Reviewed-on: https://git-master.nvidia.com/r/2170604
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

3 files changed, 5 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gv11b/gv11b.c b/drivers/gpu/nvgpu/gv11b/gv11b.c
index db146095..e7cd17c8 100644
--- a/drivers/gpu/nvgpu/gv11b/gv11b.c
+++ b/drivers/gpu/nvgpu/gv11b/gv11b.c
@@ -35,6 +35,7 @@ int gv11b_init_gpu_characteristics(struct gk20a *g)
         __nvgpu_set_enabled(g, NVGPU_SUPPORT_RESCHEDULE_RUNLIST, true);
         __nvgpu_set_enabled(g, NVGPU_SUPPORT_SYNCPOINT_ADDRESS, true);
         __nvgpu_set_enabled(g, NVGPU_SUPPORT_USER_SYNCPOINT, true);
+        __nvgpu_set_enabled(g, NVGPU_SUPPORT_USERMODE_SUBMIT, true);
 
         return 0;
 }
diff --git a/drivers/gpu/nvgpu/os/linux/ioctl_ctrl.c b/drivers/gpu/nvgpu/os/linux/ioctl_ctrl.c
index 73c9d084..cb24c30c 100644
--- a/drivers/gpu/nvgpu/os/linux/ioctl_ctrl.c
+++ b/drivers/gpu/nvgpu/os/linux/ioctl_ctrl.c
@@ -201,6 +201,8 @@ static struct nvgpu_flags_mapping flags_mapping[] = {
                 NVGPU_SUPPORT_SYNCPOINT_ADDRESS},
         {NVGPU_GPU_FLAGS_SUPPORT_USER_SYNCPOINT,
                 NVGPU_SUPPORT_USER_SYNCPOINT},
+        {NVGPU_GPU_FLAGS_SUPPORT_USERMODE_SUBMIT,
+                NVGPU_SUPPORT_USERMODE_SUBMIT},
         {NVGPU_GPU_FLAGS_SUPPORT_IO_COHERENCE,
                 NVGPU_SUPPORT_IO_COHERENCE},
         {NVGPU_GPU_FLAGS_SUPPORT_RESCHEDULE_RUNLIST,
diff --git a/include/uapi/linux/nvgpu.h b/include/uapi/linux/nvgpu.h
index 38139524..0488e563 100644
--- a/include/uapi/linux/nvgpu.h
+++ b/include/uapi/linux/nvgpu.h
@@ -164,6 +164,8 @@ struct nvgpu_gpu_zbc_query_table_args {
 #define NVGPU_GPU_FLAGS_SUPPORT_USER_SYNCPOINT          (1ULL << 28)
 /* Railgating (powering the GPU off completely) is supported and enabled */
 #define NVGPU_GPU_FLAGS_CAN_RAILGATE                    (1ULL << 29)
+/* Usermode submit is available */
+#define NVGPU_GPU_FLAGS_SUPPORT_USERMODE_SUBMIT         (1ULL << 30)
 /* SM LRF ECC is enabled */
 #define NVGPU_GPU_FLAGS_ECC_ENABLED_SM_LRF      (1ULL << 60)
 /* SM SHM ECC is enabled */