drm/i915/psr: s/intel_psr_min_vblank_delay/intel_psr_min_set_context_latency

Rename intel_psr_min_vblank_delay to intel_psr_min_set_context_latency
to reflect that it provides the minimum value for 'Set context
latency'(SCL or Window W2) for PSR/Panel Replay to work correctly across
different platforms.

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://lore.kernel.org/r/20250924141542.3122126-2-ankit.k.nautiyal@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 18b9baa962415681a2fc74d9ea170efee040e54c..679c2a9baaee6277707b2dc1c822697462f9c599 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -2369,7 +2369,7 @@ static int intel_crtc_vblank_delay(const struct intel_crtc_state *crtc_state)
        if (!HAS_DSB(display))
                return 0;
 
-       vblank_delay = max(vblank_delay, intel_psr_min_vblank_delay(crtc_state));
+       vblank_delay = max(vblank_delay, intel_psr_min_set_context_latency(crtc_state));
 
        return vblank_delay;
 }

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 01bf304c705fec437485c34c12c85e43189659d4..49ccd0864c55135bfeb5ad1ace0340592100eb1b 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -2360,12 +2360,12 @@ void intel_psr_trigger_frame_change_event(struct intel_dsb *dsb,
 }
 
 /**
- * intel_psr_min_vblank_delay - Minimum vblank delay needed by PSR
+ * intel_psr_min_set_context_latency - Minimum 'set context latency' lines needed by PSR
  * @crtc_state: the crtc state
  *
- * Return minimum vblank delay needed by PSR.
+ * Return minimum SCL lines/delay needed by PSR.
  */
-int intel_psr_min_vblank_delay(const struct intel_crtc_state *crtc_state)
+int intel_psr_min_set_context_latency(const struct intel_crtc_state *crtc_state)
 {
        struct intel_display *display = to_intel_display(crtc_state);
 

diff --git a/drivers/gpu/drm/i915/display/intel_psr.h b/drivers/gpu/drm/i915/display/intel_psr.h
index 077751aa599f74b8370830bc409e6f97f2372f94..9147996d6c9eee629f60475bbf27759010f1b2aa 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_psr.h
+++ b/drivers/gpu/drm/i915/display/intel_psr.h
@@ -77,7 +77,7 @@ void intel_psr_unlock(const struct intel_crtc_state *crtc_state);
 void intel_psr_trigger_frame_change_event(struct intel_dsb *dsb,
                                          struct intel_atomic_state *state,
                                          struct intel_crtc *crtc);
-int intel_psr_min_vblank_delay(const struct intel_crtc_state *crtc_state);
+int intel_psr_min_set_context_latency(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);