[PATCH 12/13] drm/msm: make fb debugfs file available only in KMS case

Dmitry Baryshkov dmitry.baryshkov at linaro.org
Mon Jul 3 00:37:44 UTC 2023


Don't register the 'fb' debugfs file, if there is no KMS (and so no
framebuffers).

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
---
 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



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