drm/i915/psr: Add intel_psr_use_trans_push to query if TRANS_PUSH is used

This is a preparation to start using trans push as a PSR "Frame Change"
event. It adds intel_psr_use_trans_push placeholder which return false for
now until we have everything in place.

v2:
  - modify commit message
  - add TODO

Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patch.msgid.link/20260127124120.1069026-3-jouni.hogander@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 62208ffc510164a36fd6ff8e7edaadfb63523ea3..b0d72c04db453278105a83cd314169b5d4dc3b9f 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -4562,3 +4562,9 @@ int intel_psr_min_guardband(struct intel_crtc_state *crtc_state)
 
        return psr_min_guardband;
 }
+
+bool intel_psr_use_trans_push(const struct intel_crtc_state *crtc_state)
+{
+       /* TODO: Enable using trans push when everything is in place */
+       return false;
+}

diff --git a/drivers/gpu/drm/i915/display/intel_psr.h b/drivers/gpu/drm/i915/display/intel_psr.h
index b41dc4d44ff298862f913c34ff3272edc94bb9e0..394b641840b39e227074b1e5ab0f2884d0f1f9ec 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_psr.h
+++ b/drivers/gpu/drm/i915/display/intel_psr.h
@@ -85,5 +85,6 @@ bool intel_psr_needs_alpm_aux_less(struct intel_dp *intel_dp,
 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);
 
 #endif /* __INTEL_PSR_H__ */