From: Jouni Högander Date: Fri, 17 Apr 2026 10:23:50 +0000 (+0300) Subject: drm/i915/psr: Disable PSR2 on Xiaomi Book Pro 14 2026 as a quirk X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5e79af5db00b2a5f4667aaf16cfe4ecb7759383b;p=thirdparty%2Fkernel%2Flinux.git drm/i915/psr: Disable PSR2 on Xiaomi Book Pro 14 2026 as a quirk Add new quirk (QUIRK_DISABLE_PSR2) for disabling PSR2 as a quirk for problematic setups. Apply this newly added quirk on Xiaomi Book Pro 14 2026. v2: logging adjusted Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/work_items/7677 Signed-off-by: Jouni Högander Acked-by: Jani Nikula Reviewed-by: Mika Kahola Link: https://patch.msgid.link/20260417102350.28328-1-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 63c19958a9e39..d1bae7d32617d 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -695,6 +695,9 @@ static void _psr_init_dpcd(struct intel_dp *intel_dp, struct intel_connector *co connector->dp.psr_caps.sync_latency = intel_dp_get_sink_sync_latency(intel_dp); + if (intel_has_quirk(display, QUIRK_DISABLE_PSR2)) + return; + if (DISPLAY_VER(display) >= 9 && connector->dp.psr_caps.dpcd[0] >= DP_PSR2_WITH_Y_COORD_IS_SUPPORTED) { bool y_req = connector->dp.psr_caps.dpcd[1] & diff --git a/drivers/gpu/drm/i915/display/intel_quirks.c b/drivers/gpu/drm/i915/display/intel_quirks.c index b6e840bffd44d..33245f44c0d50 100644 --- a/drivers/gpu/drm/i915/display/intel_quirks.c +++ b/drivers/gpu/drm/i915/display/intel_quirks.c @@ -94,6 +94,12 @@ static void quirk_disable_edp_panel_replay(struct intel_dp *intel_dp) drm_info(display->drm, "Applying disable Panel Replay quirk\n"); } +static void quirk_disable_psr2(struct intel_display *display) +{ + intel_set_quirk(display, QUIRK_DISABLE_PSR2); + drm_info(display->drm, "PSR2 support not currently available for this setup, applying disable PSR2 quirk\n"); +} + struct intel_quirk { int device; int subsystem_vendor; @@ -250,6 +256,9 @@ static struct intel_quirk intel_quirks[] = { /* Dell XPS 13 7390 2-in-1 */ { 0x8a52, 0x1028, 0x08b0, quirk_edp_limit_rate_hbr2 }, + + /* Xiaomi Book Pro 14 2026 */ + { 0xb081, 0x1d72, 0x2424, quirk_disable_psr2 }, }; static const struct intel_dpcd_quirk intel_dpcd_quirks[] = { diff --git a/drivers/gpu/drm/i915/display/intel_quirks.h b/drivers/gpu/drm/i915/display/intel_quirks.h index 83214eb94b0c4..970a4fe52fafc 100644 --- a/drivers/gpu/drm/i915/display/intel_quirks.h +++ b/drivers/gpu/drm/i915/display/intel_quirks.h @@ -22,6 +22,7 @@ enum intel_quirk_id { QUIRK_FW_SYNC_LEN, QUIRK_EDP_LIMIT_RATE_HBR2, QUIRK_DISABLE_EDP_PANEL_REPLAY, + QUIRK_DISABLE_PSR2, }; void intel_init_quirks(struct intel_display *display);