Support XPS 16 Panel Replay workaround

pkgbuilds/linux-ptl/0028-drm-i915-psr-exit-Panel-Replay-for-ALPM-lag.patch

@@ -1,21 +1,22 @@
 From 9126525701cdf19e6c3d2caf8a6ece559f99a99e Mon Sep 17 00:00:00 2001
 From: Gaggery Tsai <gaggery.tsai@intel.com>
 Date: Mon, 10 Aug 2026 22:45:00 -0500
-Subject: [PATCH] drm/i915/psr: restore DA14260 Panel Replay with ALPM lag
+Subject: [PATCH] drm/i915/psr: restore XPS 14/16 Panel Replay with ALPM lag
  workaround
 
 Panel Replay ALPM AUX-less wake/sleep cycling cannot resume selective
-updates at frame rate on the LGD OLED panel in the Dell XPS 14 DA14260.
+updates at frame rate on the LGD OLED panels in the Dell XPS 14 DA14260
-Upstream avoids the visible lag by disabling Panel Replay for the exact
+and XPS 16 DA16260. Upstream avoids the visible lag on the XPS 14 by
-Dell 1028:0db9 and LGD 00:22:b9 match, which also removes the idle power
+disabling Panel Replay for the exact Dell 1028:0db9 and LGD 00:22:b9
-savings.
+match, which also removes the idle power savings. The XPS 16 has the
+same sink OUI under Dell subsystem 1028:0dba and exhibits the same lag.
 
-Replace only that exact disable entry with a hardware-scoped workaround.
+Replace the XPS 14 disable entry and add an exact XPS 16 match for the
-Exit Panel Replay for relevant frontbuffer activity and re-enter it after
+hardware-scoped workaround. Exit Panel Replay for relevant frontbuffer
-50 ms of idle time. Use a dedicated delayed work item integrated under
+activity and re-enter it after 50 ms of idle time. Use a dedicated
-the existing PSR mutex and frontbuffer busy-bit tracking; block normal
+delayed work item integrated under the existing PSR mutex and frontbuffer
-immediate re-entry while it is armed, wait for sink idle, and cancel it
+busy-bit tracking; block normal immediate re-entry while it is armed,
-on invalidate, pause, and disable.
+wait for sink idle, and cancel it on invalidate, pause, and disable.
 
 Other panels retain upstream behavior.
 
@@ -24,9 +25,9 @@ Signed-off-by: Gaggery Tsai <gaggery.tsai@intel.com>
 ---
  .../drm/i915/display/intel_display_types.h    |  1 +
  drivers/gpu/drm/i915/display/intel_psr.c      | 65 ++++++++++++++++++-
- drivers/gpu/drm/i915/display/intel_quirks.c   |  9 +--
+ drivers/gpu/drm/i915/display/intel_quirks.c   | 15 +++--
  drivers/gpu/drm/i915/display/intel_quirks.h   |  1 +
- 4 files changed, 71 insertions(+), 5 deletions(-)
+ 4 files changed, 77 insertions(+), 5 deletions(-)
 
 diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
 index 2e6a857..51ae4ed 100644
@@ -194,13 +195,19 @@ index 883f297..7c772a9 100644
  }
  
  struct intel_quirk {
-@@ -267,7 +268,7 @@ static const struct intel_dpcd_quirk intel_dpcd_quirks[] = {
+@@ -267,7 +268,13 @@ static const struct intel_dpcd_quirk intel_dpcd_quirks[] = {
  		.subsystem_vendor = 0x1028,
  		.subsystem_device = 0x0db9,
  		.sink_oui = SINK_OUI(0x00, 0x22, 0xb9),
 -		.hook = quirk_disable_edp_panel_replay,
 +		.hook = quirk_panel_replay_alpm_cursor_lag,
  	},
++	{
++		.subsystem_vendor = 0x1028,
++		.subsystem_device = 0x0dba,
++		.sink_oui = SINK_OUI(0x00, 0x22, 0xb9),
++		.hook = quirk_panel_replay_alpm_cursor_lag,
++	},
  };
  
 diff --git a/drivers/gpu/drm/i915/display/intel_quirks.h b/drivers/gpu/drm/i915/display/intel_quirks.h

pkgbuilds/linux-ptl/PKGBUILD

@@ -3,7 +3,7 @@
 
 pkgbase=linux-ptl
 pkgver=7.1.8.arch1
-pkgrel=1
+pkgrel=2
 pkgdesc='Linux for Panther Lake with Panel Replay power and OLED VRR fixes'
 url='https://github.com/archlinux/linux'
 arch=(
@@ -55,7 +55,7 @@ b2sums=('84b59e5572d91f5ea1bb603aa7691851bd9549e1bf18a6bec8e27eb8a6e2de2e33da2ad
         '308952977c15ac3ad976ff1d99d0d186814d4b03e1c8512fc3a4c0ac1ecce3f74be8f3900a7fd286492d4f930bedc089674bf713a278fa80c35413e0e6339f97'
         'SKIP'
         'e672cd8d1f48756cf1062f84b83b4f676504cc6b44496511816a670435e00ccc22720fcbc36d013fd9b393389b955de5ec90715429ddbdcea860e1be80ab13fd'
-        '5ebe470414df104da9b9b20076369df0fd853ee50800926125c73641aad79dae8f52ab57ff793d9644d4f7834195d17e356567914d7a074b315f9de4924d4836'
+        '82b976261ed6f9c9ab4e30466eb91c74e94d38b489628d2de5b9974a0406a38bdec493112b84ed9f4b917662c871e70b1ea1c626d467eda245eaf7bfd973848b'
         'ed167ad347e83f072316b0d980ad192d97d0c4a69f6d1841a96089aa17caa0e57cb785214ed9297290f034420b5d0838dc75f84c7e9a9459eb49fd9dc22f3a3e')
 b2sums_x86_64=('b10d80423aa3eb65e2046bf5b1998f9a7bdbc97494c6881881f50ffcdb5fe2e242782f59dbb6402cd77ce64b988dbf295fd9fa54f20180c76fbe88b82e1dbc9d')
 
@@ -65,7 +65,7 @@ sha256sums=('ff01dcb449279d5b4cfccdb01fee639cf5ff1803f1749a77844dd33915422c49'
             '351cfb04db323bf5dd55ae8ce626650d20ba61441d202cadd8e198c6b9ef8f36'
             'SKIP'
             '150f059eaf36580f9ca8eff4f917d8c3ee4eb5493507cbc29ce8e91b3ec56a93'
-            '82f3b6548b8badb9ec9ccc504c3d5d3ebdcb5f89837d5c48048ff8678f92dd61'
+            '4a1f12817a985361c7497965b7474efb5dd8dcc36d47d04d1bb98fd1941b5901'
             '1a0bebfba76248bbda67f8812278835de71754412369454ce60f4dde0bd81916')
 
 export KBUILD_BUILD_HOST=archlinux