As pointed out by Ville we were using inverted logic here. According to spec: For link standby mode set 170h[1] = 1. For full link disabling set 170h[1] = 0. Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> --- drivers/gpu/drm/i915/intel_dp.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 50381f7..4ecda72 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1661,12 +1661,12 @@ static void intel_edp_psr_enable_sink(struct intel_dp *intel_dp) /* Enable PSR in sink */ if (intel_dp->psr_dpcd[1] & DP_PSR_NO_TRAIN_ON_EXIT) intel_dp_aux_native_write_1(intel_dp, DP_PSR_EN_CFG, - DP_PSR_ENABLE & - ~DP_PSR_MAIN_LINK_ACTIVE); - else - intel_dp_aux_native_write_1(intel_dp, DP_PSR_EN_CFG, DP_PSR_ENABLE | DP_PSR_MAIN_LINK_ACTIVE); + else + intel_dp_aux_native_write_1(intel_dp, DP_PSR_EN_CFG, + DP_PSR_ENABLE & + ~DP_PSR_MAIN_LINK_ACTIVE); /* Setup AUX registers */ I915_WRITE(EDP_PSR_AUX_DATA1(dev), EDP_PSR_DPCD_COMMAND); -- 1.7.11.7 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx