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The existing quirk entry only matches the LG Display panel with DPCD sink OUI 00:22:b9. Another variant of the same laptop (subsystem 1028:0dba) uses an LG Display 0x07C5 panel with sink OUI 00:aa:01, which is not matched, so eDP Panel Replay stays enabled and the panel hits a persistent PANEL-REPLAY Link CRC error, dropping the internal display to ~5 fps. Add a quirk entry for OUI 00:aa:01 so this variant also gets eDP Panel Replay disabled. Confirmed xe.enable_panel_replay=0 resolves the issue. Fixes: cb8d155b0806 ("drm/i915/psr: Disable Panel Replay on Dell XPS 16 DA16260 as a quirk") Signed-off-by: Thierry Cantin-Demers Tested-by: Thierry Cantin-Demers --- drivers/gpu/drm/i915/display/intel_quirks.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_quirks.c b/drivers/gpu/drm/i915/display/intel_quirks.c index 33245f44c0d5..e452235832fe 100644 --- a/drivers/gpu/drm/i915/display/intel_quirks.c +++ b/drivers/gpu/drm/i915/display/intel_quirks.c @@ -286,6 +286,14 @@ static const struct intel_dpcd_quirk intel_dpcd_quirks[] = { .sink_oui = SINK_OUI(0x00, 0x22, 0xb9), .hook = quirk_disable_edp_panel_replay, }, + /* Dell XPS 16 DA16260 (LG Display 0x07C5, OUI 00:aa:01) */ + { + .device = DEVICE_ID_ANY, + .subsystem_vendor = 0x1028, + .subsystem_device = 0x0dba, + .sink_oui = SINK_OUI(0x00, 0xaa, 0x01), + .hook = quirk_disable_edp_panel_replay, + }, }; void intel_init_quirks(struct intel_display *display) -- 2.55.0