DP connector will be disconnected after chvt to another console
for 10 minutes or more on valleyview platform VTC1010.
Signed-off-by: Quanxian Wang <quanxian.w...@intel.com>
---
drivers/gpu/drm/i915/intel_dp.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 2688f6d..0d127a5 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2942,6 +2942,7 @@ intel_dp_check_link_status(struct intel_dp *intel_dp)
static enum drm_connector_status
intel_dp_detect_dpcd(struct intel_dp *intel_dp)
{
+ struct drm_device *dev = intel_dp_to_dev(intel_dp);
uint8_t *dpcd = intel_dp->dpcd;
uint8_t type;
@@ -2953,7 +2954,8 @@ intel_dp_detect_dpcd(struct intel_dp *intel_dp)
return connector_status_connected;
/* If we're HPD-aware, SINK_COUNT changes dynamically */
- if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11 &&
+ if (!IS_VALLEYVIEW(dev) &&
+ intel_dp->dpcd[DP_DPCD_REV] >= 0x11 &&
intel_dp->downstream_ports[0] & DP_DS_PORT_HPD) {
uint8_t reg;
if (!intel_dp_aux_native_read_retry(intel_dp, DP_SINK_COUNT,
--
1.8.1.2
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