linux61-tkg: Add patch to allow high priority queue for any app

Taken from https://codeberg.org/Scrumplex/flake

This works around NixOS/nixpkgs#217119 and
flathub/com.valvesoftware.Steam#898

Signed-off-by: Sefa Eyeoglu <contact@scrumplex.net>

linux61-tkg/README.md

@@ -3,3 +3,4 @@
 - OpenRGB.mypatch - Patch to add OpenRGB compatibility for certain i2c controllers - https://gitlab.com/CalcProgrammer1/OpenRGB/-/blob/master/OpenRGB.patch
 - x86_split_lock-Add_sysctl_to_control_the_misery_mode.mypatch - Allows controlling the "misery mode" behavior, for which the default changed with b041b525dab9 ("x86/split_lock: Make life miserable for split lockers"), notably slowing down some windows games runnning through Wine - We are enforcing the behavior to "off" in linux-tkg through kernel command line, but this makes it configurable at runtime -  https://lore.kernel.org/all/20221024200254.635256-1-gpiccoli@igalia.com/
 - BBRv2.mypatch - Add BBRv2 TCP IPv4 algorithm - https://github.com/google/bbr/tree/v2alpha - Imported from https://codeberg.org/pf-kernel/linux
+- cap_sys_nice_begone.mypatch - Allow all applications to request high priority queues in AMDGPU. Allows SteamVR to use Asynchronous Reprojection on Flatpak and NixOS - From https://codeberg.org/Scrumplex/flake

linux61-tkg/cap_sys_nice_begone.mypatch

@@ -0,0 +1,26 @@
+From fe059b4c373639fc5d69067e62de3f2a0e44a037 Mon Sep 17 00:00:00 2001
+From: Sefa Eyeoglu <contact@scrumplex.net>
+Date: Fri, 17 Mar 2023 16:50:57 +0100
+Subject: [PATCH] amdgpu: allow any ctx priority
+
+Signed-off-by: Sefa Eyeoglu <contact@scrumplex.net>
+---
+ drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
+index d2139ac12159..c7f1d36329c8 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
+@@ -107,7 +107,7 @@ static int amdgpu_ctx_priority_permit(struct drm_file *filp,
+ 	if (drm_is_current_master(filp))
+ 		return 0;
+
+-	return -EACCES;
++	return 0;
+ }
+
+ static enum amdgpu_gfx_pipe_priority amdgpu_ctx_prio_to_gfx_pipe_prio(int32_t prio)
+-- 
+2.39.2
+