Re: [PATCH] drm/i915/panelreplay: Move out psr_init_dpcd() from init_connector()

[Jani Nikula <jani.nikula@linux.intel.com>]

On Thu, 22 Feb 2024, Animesh Manna <animesh.manna@intel.com> wrote:
> Move psr_init_dpcd() from init-connector to connector-detect
> function.

Why?

The commit message *must* *always* answer the question why, unless the
reason is completely and utterly obvious (e.g. don't need to say why
typos need to be fixed).

BR,
Jani.

> Signed-off-by: Animesh Manna <animesh.manna@intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_dp.c  | 3 +++
>  drivers/gpu/drm/i915/display/intel_psr.c | 3 ---
>  2 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
> index 217196196e50..4553e1f5f1fc 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -5709,6 +5709,9 @@ intel_dp_detect(struct drm_connector *connector,
>  		goto out;
>  	}
>  
> +	if (!intel_dp_is_edp(intel_dp))
> +		intel_psr_init_dpcd(intel_dp);
> +
>  	intel_dp_detect_dsc_caps(intel_dp, intel_connector);
>  
>  	intel_dp_configure_mst(intel_dp);
> diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
> index 72cadad09db5..6927785fd6ff 100644
> --- a/drivers/gpu/drm/i915/display/intel_psr.c
> +++ b/drivers/gpu/drm/i915/display/intel_psr.c
> @@ -2883,9 +2883,6 @@ void intel_psr_init(struct intel_dp *intel_dp)
>  	if (!(HAS_PSR(dev_priv) || HAS_DP20(dev_priv)))
>  		return;
>  
> -	if (!intel_dp_is_edp(intel_dp))
> -		intel_psr_init_dpcd(intel_dp);
> -
>  	/*
>  	 * HSW spec explicitly says PSR is tied to port A.
>  	 * BDW+ platforms have a instance of PSR registers per transcoder but

-- 
Jani Nikula, Intel