Merge tag 'drm-intel-fixes-2026-03-05' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-fixes

- Fix for #7284: Lenovo T14 G7 display not refreshing

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patch.msgid.link/aakz17Jx3Ye9Vqci@jlahtine-mobl

Author: airlied

drivers/gpu/drm/i915/display/intel_psr.c

@@ -1307,9 +1307,14 @@ static bool psr2_granularity_check(struct intel_crtc_state *crtc_state,
 	u16 sink_y_granularity = crtc_state->has_panel_replay ?
 		connector->dp.panel_replay_caps.su_y_granularity :
 		connector->dp.psr_caps.su_y_granularity;
-	u16 sink_w_granularity =  crtc_state->has_panel_replay ?
-		connector->dp.panel_replay_caps.su_w_granularity :
-		connector->dp.psr_caps.su_w_granularity;
+	u16 sink_w_granularity;
+
+	if (crtc_state->has_panel_replay)
+		sink_w_granularity = connector->dp.panel_replay_caps.su_w_granularity ==
+			DP_PANEL_REPLAY_FULL_LINE_GRANULARITY ?
+			crtc_hdisplay : connector->dp.panel_replay_caps.su_w_granularity;
+	else
+		sink_w_granularity = connector->dp.psr_caps.su_w_granularity;
 
 	/* PSR2 HW only send full lines so we only need to validate the width */
 	if (crtc_hdisplay % sink_w_granularity)

include/drm/display/drm_dp.h

@@ -571,6 +571,8 @@
 # define DP_PANEL_REPLAY_LINK_OFF_SUPPORTED_IN_PR_AFTER_ADAPTIVE_SYNC_SDP	(1 << 7)
 
 #define DP_PANEL_REPLAY_CAP_X_GRANULARITY		0xb2
+# define DP_PANEL_REPLAY_FULL_LINE_GRANULARITY		0xffff
+
 #define DP_PANEL_REPLAY_CAP_Y_GRANULARITY		0xb4
 
 /* Link Configuration */