Messages in this thread | | | Date | Wed, 6 Jul 2022 12:48:10 -0700 | Subject | Re: [PATCH v4] drm/msm/dp: make eDP panel as the first connected connector | From | Abhinav Kumar <> |
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On 7/6/2022 12:32 PM, Kuogee Hsieh wrote: > Some userspace presumes that the first connected connector is the main > display, where it's supposed to display e.g. the login screen. For > laptops, this should be the main panel. > > This patch call drm_helper_move_panel_connectors_to_head() after > drm_bridge_connector_init() to make sure eDP stay at head of > connected connector list. This fixes unexpected corruption happen > at eDP panel if eDP is not placed at head of connected connector > list. > > Changes in v2: > -- move drm_helper_move_panel_connectors_to_head() to > dpu_kms_drm_obj_init() > > Changes in v4: > -- move drm_helper_move_panel_connectors_to_head() to msm_drm_init() > > Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com> Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> > --- > drivers/gpu/drm/msm/msm_drv.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c > index 4a3dda2..4d518c2 100644 > --- a/drivers/gpu/drm/msm/msm_drv.c > +++ b/drivers/gpu/drm/msm/msm_drv.c > @@ -419,6 +419,8 @@ static int msm_drm_init(struct device *dev, const struct drm_driver *drv) > } > } > > + drm_helper_move_panel_connectors_to_head(ddev); > + > ddev->mode_config.funcs = &mode_config_funcs; > ddev->mode_config.helper_private = &mode_config_helper_funcs; >
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