On Mon, May 27, 2024 at 10:32 AM Mario Limonciello <mario.limonciello@xxxxxxx> wrote: > > If the lid on a laptop is closed when eDP connectors are populated > then it remains enabled when the initial framebuffer configuration > is built. > > When creating the initial framebuffer configuration detect the ACPI > lid status and if it's closed disable any eDP connectors. > > Suggested-by: Alex Deucher <alexander.deucher@xxxxxxx> > Reported-by: Chris Bainbridge <chris.bainbridge@xxxxxxxxx> > Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3349 > Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx> > --- > drivers/gpu/drm/drm_client_modeset.c | 23 +++++++++++++++++++++++ > 1 file changed, 23 insertions(+) > > diff --git a/drivers/gpu/drm/drm_client_modeset.c b/drivers/gpu/drm/drm_client_modeset.c > index 31af5cf37a09..b76438c31761 100644 > --- a/drivers/gpu/drm/drm_client_modeset.c > +++ b/drivers/gpu/drm/drm_client_modeset.c > @@ -8,6 +8,7 @@ > */ > > #include "drm/drm_modeset_lock.h" > +#include <acpi/button.h> > #include <linux/module.h> > #include <linux/mutex.h> > #include <linux/slab.h> > @@ -257,6 +258,27 @@ static void drm_client_connectors_enabled(struct drm_connector **connectors, > enabled[i] = drm_connector_enabled(connectors[i], false); > } > > +static void drm_client_match_edp_lid(struct drm_device *dev, > + struct drm_connector **connectors, > + unsigned int connector_count, > + bool *enabled) > +{ > + int i; > + > + for (i = 0; i < connector_count; i++) { > + struct drm_connector *connector = connectors[i]; > + > + if (connector->connector_type != DRM_MODE_CONNECTOR_eDP || !enabled[i]) Might want to check for LVDS here as well since a lot of laptops used LVDS prior to eDP. Alex > + continue; > + > + if (!acpi_lid_open()) { > + drm_dbg_kms(dev, "[CONNECTOR:%d:%s] lid is closed, disabling\n", > + connector->base.id, connector->name); > + enabled[i] = false; > + } > + } > +} > + > static bool drm_client_target_cloned(struct drm_device *dev, > struct drm_connector **connectors, > unsigned int connector_count, > @@ -844,6 +866,7 @@ int drm_client_modeset_probe(struct drm_client_dev *client, unsigned int width, > memset(crtcs, 0, connector_count * sizeof(*crtcs)); > memset(offsets, 0, connector_count * sizeof(*offsets)); > > + drm_client_match_edp_lid(dev, connectors, connector_count, enabled); > if (!drm_client_target_cloned(dev, connectors, connector_count, modes, > offsets, enabled, width, height) && > !drm_client_target_preferred(dev, connectors, connector_count, modes, > -- > 2.43.0 >
