[PATCH 05/11] drm/i915/psr: Add interface to check if AUXLess ALPM is needed by PSR

[Jouni Högander]

Currently we spread ugly PSR details into ALPM code to check if AUXLess
ALPM is needed. Prepare to hide these details to PSR code by adding new
interface for checking if AUXLess ALPM is needed.

Signed-off-by: Jouni Högander <jouni.hogander at intel.com>
---
 drivers/gpu/drm/i915/display/intel_psr.c | 14 ++++++++++++++
 drivers/gpu/drm/i915/display/intel_psr.h |  2 ++
 2 files changed, 16 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 2d78d64b8db8d..8d8fe1c34479d 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -4227,3 +4227,17 @@ bool intel_psr_needs_alpm(struct intel_dp *intel_dp, const struct intel_crtc_sta
 	return intel_dp_is_edp(intel_dp) && (crtc_state->has_sel_update ||
 					     crtc_state->has_panel_replay);
 }
+
+/**
+ * intel_psr_needs_alpm_aux_less - Check if PSR needs ALPM AUXLess
+ * @intel_dp: Intel DP
+ * @crtc_state: CRTC status
+ *
+ * This returns true if PSR needs AUXLess ALPM. I.e. if it's Panel Replay in
+ * eDP.
+ */
+bool intel_psr_needs_alpm_aux_less(struct intel_dp *intel_dp,
+				   const struct intel_crtc_state *crtc_state)
+{
+	return intel_dp_is_edp(intel_dp) && crtc_state->has_panel_replay;
+}
diff --git a/drivers/gpu/drm/i915/display/intel_psr.h b/drivers/gpu/drm/i915/display/intel_psr.h
index 73c3fa40844bc..0cf53184f13f9 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.h
+++ b/drivers/gpu/drm/i915/display/intel_psr.h
@@ -77,5 +77,7 @@ int intel_psr_min_vblank_delay(const struct intel_crtc_state *crtc_state);
 void intel_psr_connector_debugfs_add(struct intel_connector *connector);
 void intel_psr_debugfs_register(struct intel_display *display);
 bool intel_psr_needs_alpm(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state);
+bool intel_psr_needs_alpm_aux_less(struct intel_dp *intel_dp,
+				   const struct intel_crtc_state *crtc_state);
 
 #endif /* __INTEL_PSR_H__ */
-- 
2.43.0