diff options
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/drm_atomic_helper.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_crtc_helper.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_plane_helper.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_probe_helper.c | 3 |
4 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 74a5fc4deef6..ab275499d2a3 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -52,6 +52,12 @@ * drm_atomic_helper_disable_plane(), drm_atomic_helper_disable_plane() and the * various functions to implement set_property callbacks. New drivers must not * implement these functions themselves but must use the provided helpers. + * + * The atomic helper uses the same function table structures as all other + * modesetting helpers. See the documentation for struct &drm_crtc_helper_funcs, + * struct &drm_encoder_helper_funcs and struct &drm_connector_helper_funcs. It + * also shares the struct &drm_plane_helper_funcs function table with the plane + * helpers. */ static void drm_atomic_helper_plane_changed(struct drm_atomic_state *state, diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index 10d0989db273..5dc92b66e07e 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -62,6 +62,11 @@ * converting to the plane helpers). New drivers must not use these functions * but need to implement the atomic interface instead, potentially using the * atomic helpers for that. + * + * These legacy modeset helpers use the same function table structures as + * all other modesetting helpers. See the documentation for struct + * &drm_crtc_helper_funcs, struct &drm_encoder_helper_funcs and struct + * &drm_connector_helper_funcs. */ MODULE_AUTHOR("David Airlie, Jesse Barnes"); MODULE_DESCRIPTION("DRM KMS helper"); diff --git a/drivers/gpu/drm/drm_plane_helper.c b/drivers/gpu/drm/drm_plane_helper.c index a6983d41920d..8455e996dd9c 100644 --- a/drivers/gpu/drm/drm_plane_helper.c +++ b/drivers/gpu/drm/drm_plane_helper.c @@ -57,6 +57,10 @@ * by the atomic helpers. * * Again drivers are strongly urged to switch to the new interfaces. + * + * The plane helpers share the function table structures with other helpers, + * specifically also the atomic helpers. See struct &drm_plane_helper_funcs for + * the details. */ /* diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c index eee3b6f38cfb..b59acad83644 100644 --- a/drivers/gpu/drm/drm_probe_helper.c +++ b/drivers/gpu/drm/drm_probe_helper.c @@ -53,6 +53,9 @@ * This helper library can be used independently of the modeset helper library. * Drivers can also overwrite different parts e.g. use their own hotplug * handling code to avoid probing unrelated outputs. + * + * The probe helpers share the function table structures with other display + * helper libraries. See struct &drm_connector_helper_funcs for the details. */ static bool drm_kms_helper_poll = true; |