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.
Cc: dri-devel at lists.freedesktop.org
Cc: Jani Nikula <jani.nikula at linux.intel.com>
Cc: Daniel Vetter <daniel.vetter at intel.com>
Cc: Ville Syrjala <ville.syrjala at linux.intel.com>
Cc: Chris Wilson <chris at chris-wilson.co.uk>
Signed-off-by: Manasi Navare <manasi.d.navare at intel.com>
---
drivers/gpu/drm/i915/intel_dp.c | 16 ++++++++++++++++
drivers/gpu/drm/i915/intel_drv.h | 2 ++
2 files changed, 18 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 3c2293b..795897c 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -4673,6 +4673,22 @@ 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;
+ int ret = 0;
+
+ ret = drm_object_property_set_value(&connector->base,
+
dev->mode_config.link_status_property,
+ val);
+ if (ret)
+ return ret;
+
+ return ret;
+}
+
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 7dda79d..f6fe05a 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1397,6 +1397,8 @@ 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);
--
1.9.1
