From 57906249eea2338f9493b081c41fba6213a64051 Mon Sep 17 00:00:00 2001
From: Jake Weinstein <jake@aospa.co>
Date: Fri, 9 Dec 2022 00:35:52 +0900
Subject: [PATCH] dre: Do not balance msm_drm and kgsl_3d0 IRQs

These are critical for display performance and should not be balanced
in order to improve latency and responsiveness.

And also affine them.

Change-Id: If49ecb8757d133a7fad0d7946837b35403e57c2a
---
 extract-files.sh   | 3 +++
 init/init.oplus.rc | 7 +++++++
 2 files changed, 10 insertions(+)

diff --git a/extract-files.sh b/extract-files.sh
index 990fbf2..5b727c7 100755
--- a/extract-files.sh
+++ b/extract-files.sh
@@ -67,6 +67,9 @@ function blob_fixup() {
         odm/lib64/libCOppLceTonemapAPI.so|odm/lib64/libaps_frame_registration.so)
             "${PATCHELF}" --replace-needed "libstdc++.so" "libstdc++_vendor.so" "${2}"
             ;;
+        vendor/etc/msm_irqbalance.conf)
+            sed -i "s/IGNORED_IRQ=19,21,38$/&,209,218/" "${2}"
+            ;;
     esac
 }
 
diff --git a/init/init.oplus.rc b/init/init.oplus.rc
index f320e27..edb1745 100644
--- a/init/init.oplus.rc
+++ b/init/init.oplus.rc
@@ -45,6 +45,13 @@ on property:sys.boot_completed=1
     chmod 0600 /mnt/vendor/persist/data/pfm/licenses/1000-1000-no-exp-1186717196.pfm
     chown system system /mnt/vendor/persist/data/pfm/licenses/1000-1000-no-exp-1186717196.pfm
 
+on property:vendor.post_boot.parsed=1
+    # IRQ Tuning
+    # IRQ 243: msm_drm
+    # IRQ 240: kgsl_3d0_irq
+    write /proc/irq/243/smp_affinity_list 2
+    write /proc/irq/240/smp_affinity_list 1
+
 on property:sys.usb.config=adb && property:sys.usb.configfs=1
     write /config/usb_gadget/g1/idVendor 0x22D9
     write /config/usb_gadget/g1/idProduct 0x2769