Don't register the 'fb' debugfs file, if there is no KMS (and so no
framebuffers).
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
drivers/gpu/drm/msm/msm_debugfs.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/msm_debugfs.c b/drivers/gpu/drm/msm/msm_debugfs.c
index 06fc632fd6f9..04d304eed223 100644
--- a/drivers/gpu/drm/msm/msm_debugfs.c
+++ b/drivers/gpu/drm/msm/msm_debugfs.c
@@ -266,6 +266,9 @@ static int msm_fb_show(struct seq_file *m, void *arg)
static struct drm_info_list msm_debugfs_list[] = {
{"gem", msm_gem_show},
{ "mm", msm_mm_show },
+};
+
+static struct drm_info_list msm_kms_debugfs_list[] = {
{ "fb", msm_fb_show },
};
@@ -314,9 +317,13 @@ void msm_debugfs_init(struct drm_minor *minor)
debugfs_create_file("gpu", S_IRUSR, minor->debugfs_root,
dev, &msm_gpu_fops);
- if (priv->kms)
+ if (priv->kms) {
+ drm_debugfs_create_files(msm_kms_debugfs_list,
+ ARRAY_SIZE(msm_kms_debugfs_list),
+ minor->debugfs_root, minor);
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
