Re: [PATCH 09/14] drm/i915/psr: Add helper to check if PR is with link OFF

["Ville Syrjälä" <ville.syrjala@linux.intel.com>]

On Mon, Feb 23, 2026 at 07:14:26PM +0530, Ankit Nautiyal wrote:
> Introduce a helper intel_psr_is_pr_with_link_off() to check if the Panel
> Replay feature needs to be enabled with link off.
> 
> Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_psr.c | 6 ++++++
>  drivers/gpu/drm/i915/display/intel_psr.h | 1 +
>  2 files changed, 7 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
> index 5bea2eda744b..e0e6ddbfaa2d 100644
> --- a/drivers/gpu/drm/i915/display/intel_psr.c
> +++ b/drivers/gpu/drm/i915/display/intel_psr.c
> @@ -4575,3 +4575,9 @@ bool intel_psr_use_trans_push(const struct intel_crtc_state *crtc_state)
>  
>  	return HAS_PSR_TRANS_PUSH_FRAME_CHANGE(display) && crtc_state->has_psr;
>  }
> +
> +bool intel_psr_is_pr_with_link_off(const struct intel_crtc_state *crtc_state)
> +{
> +	return crtc_state->has_panel_replay &&
> +		crtc_state->link_off_after_as_sdp_when_pr_active;

I don't think that flag has anything to do with what you're
trying to determine here.

> +}
> diff --git a/drivers/gpu/drm/i915/display/intel_psr.h b/drivers/gpu/drm/i915/display/intel_psr.h
> index 394b641840b3..6764bcb13f9b 100644
> --- a/drivers/gpu/drm/i915/display/intel_psr.h
> +++ b/drivers/gpu/drm/i915/display/intel_psr.h
> @@ -86,5 +86,6 @@ void intel_psr_compute_config_late(struct intel_dp *intel_dp,
>  				   struct intel_crtc_state *crtc_state);
>  int intel_psr_min_guardband(struct intel_crtc_state *crtc_state);
>  bool intel_psr_use_trans_push(const struct intel_crtc_state *crtc_state);
> +bool intel_psr_is_pr_with_link_off(const struct intel_crtc_state *crtc_state);
>  
>  #endif /* __INTEL_PSR_H__ */
> -- 
> 2.45.2

-- 
Ville Syrjälä
Intel