On Sat, 29 Oct 2016, Manasi Navare manasi.d.navare@intel.com 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@lists.freedesktop.org Cc: Jani Nikula jani.nikula@linux.intel.com Cc: Daniel Vetter daniel.vetter@intel.com Cc: Ville Syrjala ville.syrjala@linux.intel.com Cc: Chris Wilson chris@chris-wilson.co.uk Signed-off-by: Manasi Navare manasi.d.navare@intel.com

Reviewed-by: Jani Nikula jani.nikula@intel.com

---

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);