drm/radeon/kms/ni: fix packet2 handling for VM IB parser

Packet2 is only one dword.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c
index f7442e62c03f..8e8cd85e5c00 100644
--- a/drivers/gpu/drm/radeon/evergreen_cs.c
+++ b/drivers/gpu/drm/radeon/evergreen_cs.c
@@ -1793,10 +1793,12 @@ int evergreen_ib_parse(struct radeon_device *rdev, struct radeon_ib *ib)
                         ret = -EINVAL;
                         break;
                 case PACKET_TYPE2:
+                        idx += 1;
                         break;
                 case PACKET_TYPE3:
                         pkt.opcode = CP_PACKET3_GET_OPCODE(ib->ptr[idx]);
                         ret = evergreen_vm_packet3_check(rdev, ib->ptr, &pkt);
+                        idx += pkt.count + 2;
                         break;
                 default:
                         dev_err(rdev->dev, "Unknown packet type %d !\n", pkt.type);
@@ -1805,7 +1807,6 @@ int evergreen_ib_parse(struct radeon_device *rdev, struct radeon_ib *ib)
                 }
                 if (ret)
                         break;
-                idx += pkt.count + 2;
         } while (idx < ib->length_dw);
 
         return ret;