For PSR2 there is no register to tell HW to keep main link enabled while PSR2 is active, so don't configure sink DPCD with a misleading value.
Cc: Dhinakaran Pandiyan <[email protected]> Cc: Rodrigo Vivi <[email protected]> Signed-off-by: José Roberto de Souza <[email protected]> --- drivers/gpu/drm/i915/intel_psr.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c index f5d27a02eb28..888e348cc1b4 100644 --- a/drivers/gpu/drm/i915/intel_psr.c +++ b/drivers/gpu/drm/i915/intel_psr.c @@ -391,12 +391,14 @@ static void intel_psr_enable_sink(struct intel_dp *intel_dp) drm_dp_dpcd_writeb(&intel_dp->aux, DP_RECEIVER_ALPM_CONFIG, DP_ALPM_ENABLE); dpcd_val |= DP_PSR_ENABLE_PSR2; + } else { + if (dev_priv->psr.link_standby) + dpcd_val |= DP_PSR_MAIN_LINK_ACTIVE; + + if (INTEL_GEN(dev_priv) >= 8) + dpcd_val |= DP_PSR_CRC_VERIFICATION; } - if (dev_priv->psr.link_standby) - dpcd_val |= DP_PSR_MAIN_LINK_ACTIVE; - if (!dev_priv->psr.psr2_enabled && INTEL_GEN(dev_priv) >= 8) - dpcd_val |= DP_PSR_CRC_VERIFICATION; drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG, dpcd_val); drm_dp_dpcd_writeb(&intel_dp->aux, DP_SET_POWER, DP_SET_POWER_D0); -- 2.19.2 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
