diff options
| author | Maxime Ripard <mripard@kernel.org> | 2025-03-13 13:00:02 +0100 |
|---|---|---|
| committer | Maxime Ripard <mripard@kernel.org> | 2025-03-20 14:45:48 +0100 |
| commit | 56ae6212417702f7e456007b2afa834810ed10a6 (patch) | |
| tree | 9bca5e44a631c4d696527c03b4df5f3ecd03ec83 /drivers/gpu/drm/drm_atomic_helper.c | |
| parent | e0c358e2edf5906689ecb46053d755fcaf4339f0 (diff) | |
drm/bridge: Add helper to reset bridge pipeline
Let's provide an helper to make it easier for bridge drivers to
power-cycle their bridge.
In order to avoid a circular dependency between that new helper and
drm_atomic_helper_reset_crtc(), this new helper will be in a
drm_bridge_helper.c file to follow the pattern we have for other
objects.
Reviewed-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Simona Vetter <simona.vetter@ffwll.ch>
Tested-by: Herve Codina <herve.codina@bootlin.com>
Co-developed-by: Simona Vetter <simona.vetter@intel.com>
Signed-off-by: Simona Vetter <simona.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250313-bridge-connector-v6-8-511c54a604fb@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/drm_atomic_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_atomic_helper.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 5302ab324898..ee64ca1b1bec 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -3409,6 +3409,9 @@ EXPORT_SYMBOL(drm_atomic_helper_disable_all); * This implies a reset of all active components available between the CRTC and * connectors. * + * A variant of this function exists with + * drm_bridge_helper_reset_crtc(), dedicated to bridges. + * * 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. |