| Message ID | 20210210083338.100068-2-khaled.almahallawy@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [RFC,1/2] drm/dp: Make number of AUX retries configurable by display drivers. | expand |
diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux.c b/drivers/gpu/drm/i915/display/intel_dp_aux.c index eaebf123310a..73d711a94000 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_aux.c +++ b/drivers/gpu/drm/i915/display/intel_dp_aux.c @@ -688,5 +688,7 @@ void intel_dp_aux_init(struct intel_dp *intel_dp) encoder->base.name); intel_dp->aux.transfer = intel_dp_aux_transfer; + /* Follow DP specs*/ + intel_dp->aux.num_retries = 7; cpu_latency_qos_add_request(&intel_dp->pm_qos, PM_QOS_DEFAULT_VALUE); }
Given that intel_dp_aux_xfer retries 5 times, so configure drm_dpcd_access to retry only 7 times, which means the max number of retries for i915 = 7 * 5 = 35 times. Signed-off-by: Khaled Almahallawy <khaled.almahallawy@intel.com> --- drivers/gpu/drm/i915/display/intel_dp_aux.c | 2 ++ 1 file changed, 2 insertions(+)