Apply amdgpu_gfxoff_quirk to Atari VCS to eliminate gpu timeouts.

PKGBUILD/linux/021-gfxoff-atari-vcs.patch

@@ -0,0 +1,12 @@
+diff -rupN linux-6.9.2.orig/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c linux-6.9.2/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+--- linux-6.9.2.orig/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c	2024-05-28 09:44:01.917077876 +0000
++++ linux-6.9.2/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c	2024-05-28 10:01:04.504799814 +0000
+@@ -1170,6 +1170,8 @@ static const struct amdgpu_gfxoff_quirk
+ 	{ 0x1002, 0x15dd, 0x103c, 0x83e7, 0xd3 },
+ 	/* GFXOFF is unstable on C6 parts with a VBIOS 113-RAVEN-114 */
+ 	{ 0x1002, 0x15dd, 0x1002, 0x15dd, 0xc6 },
++	/* GFXOFF is unstable on 91 (Atari VCS) with 113-RAVEN2-117 */
++	{ 0x1002, 0x15D8, 0x1002, 0x15D8, 0x91 },
+ 	/* Apple MacBook Pro (15-inch, 2019) Radeon Pro Vega 20 4 GB */
+ 	{ 0x1002, 0x69af, 0x106b, 0x019a, 0xc0 },
+ 	{ 0, 0, 0, 0, 0 },

PKGBUILD/linux/PKGBUILD

@@ -7,7 +7,7 @@
 
 pkgbase=linux               # Build stock -ARCH kernel
 pkgver=6.9.2
-pkgrel=1
+pkgrel=2
 pkgdesc="Linux Stable"
 arch=(x86_64)
 url="https://kernel.org/"
@@ -49,6 +49,7 @@ source=(
   '014-aw87xxx-suspend-resume.patch'
   '015-bmi260-driver.patch'
   '020-enable-overdrive.patch'
+  '021-gfxoff-atari-vcs.patch'
   '030-color-management-props.patch'
   '099-platform-drivers.patch'
 
@@ -72,6 +73,7 @@ sha256sums=('SKIP'
             '9e6a5380f754d20d251153e7c937583e684377a4955f8c2496f728dddfaea218'
             '4e41f289e187de9a80776898901b093b950f7de15f0094270d53ccd16a80cc67'
             'e503ba1484972990eb06eae6dbdb231628d00c3f96744f51f4054abb29dfd060'
+            'cc5e550a0e4825d587cae38a9ce4c686494b0d4ea54e00ca65b79f2371cca7d0'
             '79e4a2da142c761d3e3da12f709b4707c158cd3c6510e4c191d57db3025f2d1e'
             'f1cf80786eddf2a9a16b6774e2dc315377d4635171ca18faebe73745882f593d'
 )