[PATCH v2 03/11] drm/i915/psr: Set PSR CRC verification bit in sink inside PSR1 block
Dhinakaran Pandiyan
dhinakaran.pandiyan at intel.com
Fri Nov 30 23:54:34 UTC 2018
On Thu, 2018-11-29 at 18:25 -0800, José Roberto de Souza wrote:
> As we have a else block for the 'if (dev_priv->psr.psr2_enabled) {'
> and this bit is only set for PSR1 move it to that block to make it
> more easy to read.
>
> Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan at intel.com>
> Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
> Signed-off-by: José Roberto de Souza <jose.souza at intel.com>
> ---
> drivers/gpu/drm/i915/intel_psr.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_psr.c
> b/drivers/gpu/drm/i915/intel_psr.c
> index 8515f4a6f4f1..b04472e637c8 100644
> --- a/drivers/gpu/drm/i915/intel_psr.c
> +++ b/drivers/gpu/drm/i915/intel_psr.c
> @@ -398,10 +398,11 @@ static void intel_psr_enable_sink(struct
> intel_dp *intel_dp)
> } 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.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);
Do we need this DPCD write? The panel should already be awake by this
point, I think it's worth removing it if there's no regression.
Your change in this patch looks good, so
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan at intel.com>
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