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| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2016-11-29 22:56:30 +0200 |
|---|---|---|
| committer | Sean Paul <seanpaul@chromium.org> | 2016-12-01 10:05:53 -0500 |
| commit | 949f08862d662f17b9d2929c6afb2d4e8f5d50cb (patch) | |
| tree | af689aba55858b8933860832055dafc7c76864ab /drivers/gpu/drm/drm_probe_helper.c | |
| parent | 87291e5dbae94da1ddd3966272e0d7d6dc7232f1 (diff) | |
| download | linux-0-day-949f08862d662f17b9d2929c6afb2d4e8f5d50cb.tar.gz linux-0-day-949f08862d662f17b9d2929c6afb2d4e8f5d50cb.tar.xz | |
drm: Make the connector .detect() callback optional
Many drivers (21 to be exact) create connectors that are always
connected (for instance to an LVDS or DSI panel). Instead of forcing
them to implement a dummy .detect() handler, make the callback optional
and consider the connector as always connected in that case.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Jyri Sarha <jsarha@ti.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Vincent Abriou <vincent.abriou@st.com>
Acked-by: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
[seanpaul fixed small conflict in rcar-du/rcar_du_lvdscon.c]
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/drm_probe_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_probe_helper.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c index f6b64d7d3528d..078d9703a4fe3 100644 --- a/drivers/gpu/drm/drm_probe_helper.c +++ b/drivers/gpu/drm/drm_probe_helper.c @@ -152,6 +152,14 @@ void drm_kms_helper_poll_enable_locked(struct drm_device *dev) } EXPORT_SYMBOL(drm_kms_helper_poll_enable_locked); +static enum drm_connector_status +drm_connector_detect(struct drm_connector *connector, bool force) +{ + return connector->funcs->detect ? + connector->funcs->detect(connector, force) : + connector_status_connected; +} + /** * drm_helper_probe_single_connector_modes - get complete set of display modes * @connector: connector to probe @@ -239,7 +247,7 @@ int drm_helper_probe_single_connector_modes(struct drm_connector *connector, if (connector->funcs->force) connector->funcs->force(connector); } else { - connector->status = connector->funcs->detect(connector, true); + connector->status = drm_connector_detect(connector, true); } /* @@ -405,7 +413,7 @@ static void output_poll_execute(struct work_struct *work) repoll = true; - connector->status = connector->funcs->detect(connector, false); + connector->status = drm_connector_detect(connector, false); if (old_status != connector->status) { const char *old, *new; @@ -565,7 +573,7 @@ bool drm_helper_hpd_irq_event(struct drm_device *dev) old_status = connector->status; - connector->status = connector->funcs->detect(connector, false); + connector->status = drm_connector_detect(connector, false); DRM_DEBUG_KMS("[CONNECTOR:%d:%s] status updated from %s to %s\n", connector->base.id, connector->name, |