diff options
| author | Herve Codina <herve.codina@bootlin.com> | 2025-02-20 15:04:06 +0100 |
|---|---|---|
| committer | Louis Chauvet <louis.chauvet@bootlin.com> | 2025-02-21 10:57:21 +0100 |
| commit | 60341a6d79aa5e18a9c4ad8d7193e1ec6f8741b0 (patch) | |
| tree | 9e1d90b1aac169c4fa5ae55b3eb656a7a1cc3e9d | |
| parent | 4ce2c7e201c265df1c62a9190a98a98803208b8f (diff) | |
drm/atomic-helper: Add a note in drm_atomic_helper_reset_crtc() kernel-doc
As suggested in [0], add a note indicating that
drm_atomic_helper_reset_crtc() can be a no-op in some cases.
[0]:https://lore.kernel.org/all/Z7XfnPGDYspwG42y@phenom.ffwll.local/
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Simona Vetter <simona.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20250220140406.593314-1-herve.codina@bootlin.com
Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com>
| -rw-r--r-- | drivers/gpu/drm/drm_atomic_helper.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 7a25e70694ba..5302ab324898 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -3409,6 +3409,10 @@ EXPORT_SYMBOL(drm_atomic_helper_disable_all); * This implies a reset of all active components available between the CRTC and * connectors. * + * NOTE: This relies on resetting &drm_crtc_state.connectors_changed. + * For drivers which optimize out unnecessary modesets this will result in + * a no-op commit, achieving nothing. + * * Returns: * 0 on success or a negative error code on failure. */ |