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

[Ankit Nautiyal <ankit.k.nautiyal@intel.com>]

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;
+}
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