On Sat, 29 Oct 2016, Manasi Navare <manasi.d.navare@xxxxxxxxx> wrote:
> This defines a helper function to set the property value.
> This will be used to set the link status to Bad in case
> of link training failures.
>
> v2:
> * Simplify the return value (Jani Nikula)
>
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
> Cc: Daniel Vetter <daniel.vetter@xxxxxxxxx>
> Cc: Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx>
> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Manasi Navare <manasi.d.navare@xxxxxxxxx>
Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_dp.c | 11 +++++++++++
> drivers/gpu/drm/i915/intel_drv.h | 2 ++
> 2 files changed, 13 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> index 1063afe..2b6f51c 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -4640,6 +4640,17 @@ static int intel_dp_get_modes(struct drm_connector *connector)
> return 0;
> }
>
> +int
> +intel_dp_set_link_status_property(struct drm_connector *connector,
> + uint64_t val)
> +{
> + struct drm_device *dev = connector->dev;
> +
> + return drm_object_property_set_value(&connector->base,
> + dev->mode_config.link_status_property,
> + val);
> +}
> +
> static int
> intel_dp_connector_register(struct drm_connector *connector)
> {
> diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> index 2616d92..3cb7481 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -1391,6 +1391,8 @@ u32 skl_plane_stride(const struct drm_framebuffer *fb, int plane,
> bool intel_dp_init(struct drm_device *dev, i915_reg_t output_reg, enum port port);
> bool intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
> struct intel_connector *intel_connector);
> +int intel_dp_set_link_status_property(struct drm_connector *connector,
> + uint64_t val);
> void intel_dp_set_link_params(struct intel_dp *intel_dp,
> int link_rate, uint8_t lane_count,
> bool link_mst);
--
Jani Nikula, Intel Open Source Technology Center
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