Don't register the 'fb' debugfs file, if there is no KMS (and so no framebuffers). Reviewed-by: Rob Clark <robdclark@xxxxxxxxx> 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