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.
v3:
* Set connector->link_status in this function
(Jani Nikula)
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 | 12 ++++++++++++
drivers/gpu/drm/i915/intel_drv.h | 2 ++
2 files changed, 14 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 117a714..1f1760f 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -4640,6 +4640,18 @@ 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;
+
+ connector->link_status = val;
+ 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 003afb8..856dd41 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1381,6 +1381,8 @@ 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
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