gpu: nvgpu: set FB/HSMMU debug mode

Set NV_PFB_HSMMU_PRI_MMU_DEBUG_CTRL and NV_PFB_PRI_MMU_DEBUG_CTRL
in addition to NV_PGRAPH_PRI_GPCS_MMU_DEBUG_CTRL, in
NVGPU_DBG_GPU_IOCTL_SET_CTX_MMU_DEBUG_MODE

Bug 2515097
Bug 2713590

Change-Id: I1763b43e79fac3edb68a35980683d58bfa89519f
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2115785
(cherry picked from commit 8057514a9f7fc5f175e2e0571dfa91d78ebb6410)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2208771
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Kajetan Dutka <kdutka@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Winnie Hsu <whsu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: Kajetan Dutka <kdutka@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/os/linux/ioctl_dbg.c b/drivers/gpu/nvgpu/os/linux/ioctl_dbg.c
index 408bbc64..aeed07ce 100644
--- a/drivers/gpu/nvgpu/os/linux/ioctl_dbg.c
+++ b/drivers/gpu/nvgpu/os/linux/ioctl_dbg.c
@@ -1091,7 +1091,8 @@ static int nvgpu_dbg_gpu_ioctl_set_mmu_debug_mode(
                 return -EINVAL;
         }
 
-        if (g->ops.gr.set_mmu_debug_mode == NULL) {
+        if ((g->ops.fb.set_mmu_debug_mode == NULL) &&
+                (g->ops.gr.set_mmu_debug_mode == NULL)) {
                 return -ENOSYS;
         }