drm/i915: Log a message when rejecting LRM to OACONTROL

The other paths in the command parser that reject a batch all
log a message indicating the reason. We simply missed this one.

Signed-off-by: Brad Volkin <bradley.d.volkin@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c
index d40f264bd5f0..4c35e2a62689 100644
--- a/drivers/gpu/drm/i915/i915_cmd_parser.c
+++ b/drivers/gpu/drm/i915/i915_cmd_parser.c
@@ -881,8 +881,10 @@ static bool check_cmd(const struct intel_engine_cs *ring,
                  * OACONTROL writes to only MI_LOAD_REGISTER_IMM commands.
                  */
                 if (reg_addr == OACONTROL) {
-                        if (desc->cmd.value == MI_LOAD_REGISTER_MEM)
+                        if (desc->cmd.value == MI_LOAD_REGISTER_MEM) {
+                                DRM_DEBUG_DRIVER("CMD: Rejected LRM to OACONTROL\n");
                                 return false;
+                        }
 
                         if (desc->cmd.value == MI_LOAD_REGISTER_IMM(1))
                                 *oacontrol_set = (cmd[2] != 0);