linux-postmarketos-exynos4: add patch to fix GPU issue (MR 3028)

Fixes/works around issue where some applications using the GPU
would crash with DRM_IOCTL_MODE_CREATE_DUMB failed.

See https://gitlab.com/postmarketOS/pmaports/-/issues/1246

[ci:skip-build] Already built successfuly on CI in MR

device/testing/linux-postmarketos-exynos4/0011-drm-Allow-DRM_IOCTL_MODE_CREATE_DUMB-on-render-nodes.patch

+From afa77e0b9ca9ba36327aa42f8da43aea4b891f29 Mon Sep 17 00:00:00 2001
+From: Newbyte <newbie13xd@gmail.com>
+Date: Thu, 24 Mar 2022 11:25:26 +0100
+Subject: [PATCH] drm: Allow DRM_IOCTL_MODE_CREATE_DUMB on render nodes
+
+Due to a change in Mesa, the render node ends up being picked
+instead of the primary node when using Exynos DRM kmsro. In turn,
+this results in that dumb buffers cannot be allocated with
+DRM_IOCTL_MODE_CREATE_DUMB, so many applications crash. This works
+around that by allowing dumb buffers to be created by render nodes.
+
+Mesa issue: https://gitlab.freedesktop.org/mesa/mesa/-/issues/5510
+---
+ drivers/gpu/drm/drm_ioctl.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
+index 51fcf1298023..eada5e9aac89 100644
+--- a/drivers/gpu/drm/drm_ioctl.c
++++ b/drivers/gpu/drm/drm_ioctl.c
+@@ -672,7 +672,7 @@ static const struct drm_ioctl_desc drm_ioctls[] = {
+ 	DRM_IOCTL_DEF(DRM_IOCTL_MODE_RMFB, drm_mode_rmfb_ioctl, 0),
+ 	DRM_IOCTL_DEF(DRM_IOCTL_MODE_PAGE_FLIP, drm_mode_page_flip_ioctl, DRM_MASTER),
+ 	DRM_IOCTL_DEF(DRM_IOCTL_MODE_DIRTYFB, drm_mode_dirtyfb_ioctl, DRM_MASTER),
+-	DRM_IOCTL_DEF(DRM_IOCTL_MODE_CREATE_DUMB, drm_mode_create_dumb_ioctl, 0),
++	DRM_IOCTL_DEF(DRM_IOCTL_MODE_CREATE_DUMB, drm_mode_create_dumb_ioctl, DRM_RENDER_ALLOW),
+ 	DRM_IOCTL_DEF(DRM_IOCTL_MODE_MAP_DUMB, drm_mode_mmap_dumb_ioctl, 0),
+ 	DRM_IOCTL_DEF(DRM_IOCTL_MODE_DESTROY_DUMB, drm_mode_destroy_dumb_ioctl, 0),
+ 	DRM_IOCTL_DEF(DRM_IOCTL_MODE_OBJ_GETPROPERTIES, drm_mode_obj_get_properties_ioctl, 0),
+-- 
+2.35.1
+

device/testing/linux-postmarketos-exynos4/APKBUILD

@@ -4,7 +4,7 @@
 
 pkgname=linux-postmarketos-exynos4
 pkgver=5.16.2
-pkgrel=1
+pkgrel=2
 pkgdesc="Mainline kernel fork for Samsung Exynos4 devices"
 arch="armv7"
 _carch="arm"
@@ -49,6 +49,7 @@ source="
 	0008-ARM-dts-exynos-i9100-Use-interrupt-for-BCM4330-ho.patch
 	0009-ARM-dts-driver-exynos-n710x-add-panel.patch
 	0010-ARM-dts-exynos-n710x-add-leds.patch
+	0011-drm-Allow-DRM_IOCTL_MODE_CREATE_DUMB-on-render-nodes.patch
 	initramfs.list
 	init
 "
@@ -100,6 +101,7 @@ de87e6a6608165cdc35a03bd10dedef1c12a2a9e1f66f500879c05b287bae7181cc95021a3a2aad6
 4ad139898236dd7035ace862c4a9be2d92351977f2d0c38072434c82f2a7f89c224f9b366fcf44755849788f92ed8cdc019cf6c82453b85d5257bf6737a6bb68  0008-ARM-dts-exynos-i9100-Use-interrupt-for-BCM4330-ho.patch
 054a03b327386b32b516cf7f9fdbf15adba9b3fb6d0d20473493f7e4538202496829443eb18f9a928b4959b1296ee98171d4a19d8fcf58439d4fdb122fbb97ac  0009-ARM-dts-driver-exynos-n710x-add-panel.patch
 63c9e1a1d92e1deb286d6623e116e1cce36bfbae3f9b5db60dc1751573af7477003c7680afe054e7170fee632fd11e38c1bea12ec51299d547557112784f762f  0010-ARM-dts-exynos-n710x-add-leds.patch
+56b08a9b72760f26cdbda9f89875ee4b502dca4d9dd15bf33c8ed1cda82cf75c9588514a378fd2e942a41e52378348cc8e55da303660cce59bf8a12287568daf  0011-drm-Allow-DRM_IOCTL_MODE_CREATE_DUMB-on-render-nodes.patch
 aaff0332b90e1f9f62de1128cace934717336e54ab09de46477369fa808302482d97334e43a85ee8597c1bcab64d3484750103559fea2ce8cd51776156bf7591  initramfs.list
 09f1f214a24300696809727a7b04378887c06ca6f40803ca51a12bf2176a360b2eb8632139d6a0722094e05cb2038bdb04018a1e3d33fc2697674552ade03bee  init
 "