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.
v2: Moving the set of DP_PSR_CRC_VERIFICATION to the else block
of 'if (dev_priv->psr.psr2_enabled)' to another patch. (Rodrigo)
Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181204003403.23361-2-jose.souza@intel.com
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 (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);