drm/vmwgfx: Print message when command verifier returns with error
Whenever command verifier function returns with an error, print a debug
message using VMW_DEBUG_USER. This will make sure failing commands can
be easily tracked for debugging purpose.
Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index 9362670..9df3343 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -3287,8 +3287,11 @@ static int vmw_cmd_check(struct vmw_private *dev_priv,
goto out_new;
ret = entry->func(dev_priv, sw_context, header);
- if (unlikely(ret != 0))
- goto out_invalid;
+ if (unlikely(ret != 0)) {
+ VMW_DEBUG_USER("SVGA3D command: %d failed with error %d\n",
+ cmd_id + SVGA_3D_CMD_BASE, ret);
+ return ret;
+ }
return 0;
out_invalid: