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| author | Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2023-12-03 14:53:13 +0300 |
|---|---|---|
| committer | Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2023-12-04 16:07:29 +0200 |
| commit | caf525ed45b4960b450cbd4e811d9b247bc2586c (patch) | |
| tree | 4b9aeff87a6ce8786bca357528bc989c82ee7cc7 /drivers/gpu/drm/drm_debugfs.c | |
| parent | 7d9f1b72b29698e3030c2b163522cf4aa91b47e9 (diff) | |
| download | linux-caf525ed45b4960b450cbd4e811d9b247bc2586c.tar.gz linux-caf525ed45b4960b450cbd4e811d9b247bc2586c.tar.bz2 linux-caf525ed45b4960b450cbd4e811d9b247bc2586c.zip | |
drm/encoder: register per-encoder debugfs dir
Each of connectors and CRTCs used by the DRM device provides debugfs
directory, which is used by several standard debugfs files and can
further be extended by the driver. Add such generic debugfs directories
for encoder.
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Acked-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20231203115315.1306124-2-dmitry.baryshkov@linaro.org
Diffstat (limited to 'drivers/gpu/drm/drm_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/drm_debugfs.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c index f291fb4b359f..00406b4f3235 100644 --- a/drivers/gpu/drm/drm_debugfs.c +++ b/drivers/gpu/drm/drm_debugfs.c @@ -589,4 +589,29 @@ void drm_debugfs_crtc_remove(struct drm_crtc *crtc) crtc->debugfs_entry = NULL; } +void drm_debugfs_encoder_add(struct drm_encoder *encoder) +{ + struct drm_minor *minor = encoder->dev->primary; + struct dentry *root; + char *name; + + name = kasprintf(GFP_KERNEL, "encoder-%d", encoder->index); + if (!name) + return; + + root = debugfs_create_dir(name, minor->debugfs_root); + kfree(name); + + encoder->debugfs_entry = root; + + if (encoder->funcs->debugfs_init) + encoder->funcs->debugfs_init(encoder, root); +} + +void drm_debugfs_encoder_remove(struct drm_encoder *encoder) +{ + debugfs_remove_recursive(encoder->debugfs_entry); + encoder->debugfs_entry = NULL; +} + #endif /* CONFIG_DEBUG_FS */ |