Re: [PATCH] drm/radeon: set hpd polarity at init time so hotplug detect works

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On Fri, Oct 28, 2011 at 5:52 PM,  <j.glisse@xxxxxxxxx> wrote:
> From: Jerome Glisse <jglisse@xxxxxxxxxx>
>
> Polarity needs to be set accordingly to connector status (connected
> or disconnected). Set it up at module init so first hotplug works
> reliably no matter what is the initial set of connector.
>
> Signed-off-by: Jerome Glisse <jglisse@xxxxxxxxxx>
> cc: stable@xxxxxxxxxx

Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>

> ---
>  drivers/gpu/drm/radeon/radeon_connectors.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
> index dec6cbe..bfdd48b 100644
> --- a/drivers/gpu/drm/radeon/radeon_connectors.c
> +++ b/drivers/gpu/drm/radeon/radeon_connectors.c
> @@ -1789,6 +1789,7 @@ radeon_add_atom_connector(struct drm_device *dev,
>                        connector->polled = DRM_CONNECTOR_POLL_CONNECT;
>        } else
>                connector->polled = DRM_CONNECTOR_POLL_HPD;
> +       radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
>
>        connector->display_info.subpixel_order = subpixel_order;
>        drm_sysfs_connector_add(connector);
> --
> 1.7.6.4
>
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