[PATCH 11/13] drm/msm: only register 'kms' debug file if KMS is used

[Dmitry Baryshkov]

There is little point in having the empty debugfs file which always
returns -ENODEV. Change this file to be created only if KMS is actually
used.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
---
 drivers/gpu/drm/msm/msm_debugfs.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/msm/msm_debugfs.c b/drivers/gpu/drm/msm/msm_debugfs.c
index a0a936f80ae3..06fc632fd6f9 100644
--- a/drivers/gpu/drm/msm/msm_debugfs.c
+++ b/drivers/gpu/drm/msm/msm_debugfs.c
@@ -314,8 +314,9 @@ void msm_debugfs_init(struct drm_minor *minor)
 	debugfs_create_file("gpu", S_IRUSR, minor->debugfs_root,
 		dev, &msm_gpu_fops);
 
-	debugfs_create_file("kms", S_IRUSR, minor->debugfs_root,
-		dev, &msm_kms_fops);
+	if (priv->kms)
+		debugfs_create_file("kms", S_IRUSR, minor->debugfs_root,
+				    dev, &msm_kms_fops);
 
 	debugfs_create_u32("hangcheck_period_ms", 0600, minor->debugfs_root,
 		&priv->hangcheck_period);
-- 
2.39.2