On Thu, 2018-11-29 at 18:25 -0800, José Roberto de Souza wrote:
> eDP spec states 2 different bits to enable sink to trigger a
> interruption when there is a CRC mismatch.
> DP_PSR_CRC_VERIFICATION is for PSR only and
> DP_PSR_IRQ_HPD_WITH_CRC_ERRORS is for PSR2 only.
With PSR short pulse handling implemented, I think we are ready for
this.
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandi...@intel.com>
>
> Cc: Dhinakaran Pandiyan <dhinakaran.pandi...@intel.com>
> Reviewed-by: Rodrigo Vivi <rodrigo.v...@intel.com>
> Signed-off-by: José Roberto de Souza <jose.so...@intel.com>
> ---
> drivers/gpu/drm/i915/intel_psr.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_psr.c
> b/drivers/gpu/drm/i915/intel_psr.c
> index b04472e637c8..77162c469079 100644
> --- a/drivers/gpu/drm/i915/intel_psr.c
> +++ b/drivers/gpu/drm/i915/intel_psr.c
> @@ -394,7 +394,7 @@ static void intel_psr_enable_sink(struct intel_dp
> *intel_dp)
> if (dev_priv->psr.psr2_enabled) {
> drm_dp_dpcd_writeb(&intel_dp->aux,
> DP_RECEIVER_ALPM_CONFIG,
> DP_ALPM_ENABLE);
> - dpcd_val |= DP_PSR_ENABLE_PSR2;
> + dpcd_val |= DP_PSR_ENABLE_PSR2 |
> DP_PSR_IRQ_HPD_WITH_CRC_ERRORS;
> } else {
> if (dev_priv->psr.link_standby)
> dpcd_val |= DP_PSR_MAIN_LINK_ACTIVE;
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