On Fri, 2012-10-12 at 10:33 +0300, Jani Nikula wrote:
> Backlight is initialized for eDP, but cleaned up only for eDP on DP-D
> port. This leaves behind a dangling backlight interface on module unload on
> machines that have eDP connected to something other than DP-D, and breaks
> the backlight interface for subsequent module reloads. Fix the cleanup, and
> thus module reload on affected machines.
>
> Reported-by: Imre Deak <imre.deak at intel.com>
> Signed-off-by: Jani Nikula <jani.nikula at intel.com>
Can't reproduce the problem with this:
Tested-by: Imre Deak <imre.deak at intel.com>
> ---
> drivers/gpu/drm/i915/intel_dp.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> index fcce392..6dfe5dd 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -2386,8 +2386,9 @@ static void
> intel_dp_destroy(struct drm_connector *connector)
> {
> struct drm_device *dev = connector->dev;
> + struct intel_dp *intel_dp = intel_attached_dp(connector);
>
> - if (intel_dpd_is_edp(dev))
> + if (is_edp(intel_dp))
> intel_panel_destroy_backlight(dev);
>
> drm_sysfs_connector_remove(connector);
