Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
+10
-3
+8
-3
drivers/gpu/drm/i915/display/intel_psr.c
+8
-3
drivers/gpu/drm/i915/display/intel_psr.c
···
1307
1307
u16 sink_y_granularity = crtc_state->has_panel_replay ?
1308
1308
connector->dp.panel_replay_caps.su_y_granularity :
1309
1309
connector->dp.psr_caps.su_y_granularity;
1310
-
u16 sink_w_granularity = crtc_state->has_panel_replay ?
1311
-
connector->dp.panel_replay_caps.su_w_granularity :
1312
-
connector->dp.psr_caps.su_w_granularity;
1310
+
u16 sink_w_granularity;
1311
+
1312
+
if (crtc_state->has_panel_replay)
1313
+
sink_w_granularity = connector->dp.panel_replay_caps.su_w_granularity ==
1314
+
DP_PANEL_REPLAY_FULL_LINE_GRANULARITY ?
1315
+
crtc_hdisplay : connector->dp.panel_replay_caps.su_w_granularity;
1316
+
else
1317
+
sink_w_granularity = connector->dp.psr_caps.su_w_granularity;
1313
1318
1314
1319
/* PSR2 HW only send full lines so we only need to validate the width */
1315
1320
if (crtc_hdisplay % sink_w_granularity)
+2
include/drm/display/drm_dp.h
+2
include/drm/display/drm_dp.h
···
571
571
# define DP_PANEL_REPLAY_LINK_OFF_SUPPORTED_IN_PR_AFTER_ADAPTIVE_SYNC_SDP (1 << 7)
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#define DP_PANEL_REPLAY_CAP_X_GRANULARITY 0xb2
574
+
# define DP_PANEL_REPLAY_FULL_LINE_GRANULARITY 0xffff
575
+
574
576
#define DP_PANEL_REPLAY_CAP_Y_GRANULARITY 0xb4
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578
/* Link Configuration */