From b69c6a2e11da0a5695b3c0601a53890fee7f7e04 Mon Sep 17 00:00:00 2001
From: bjorn3 <17426603+bjorn3@users.noreply.github.com>
Date: Sat, 20 Dec 2025 22:10:39 +0100
Subject: [PATCH] Add drm MODE_ADD_FB and MODE_RM_FB

---
 redox-ioctl/src/drm.rs            | 16 +++++++++++++++-
 src/header/sys_ioctl/redox/drm.rs |  2 ++
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/redox-ioctl/src/drm.rs b/redox-ioctl/src/drm.rs
index 8cc5749b71..f3a35b212d 100644
--- a/redox-ioctl/src/drm.rs
+++ b/redox-ioctl/src/drm.rs
@@ -1,7 +1,7 @@
 use alloc::vec::Vec;
 use core::{
     cmp,
-    ffi::{c_char, c_int},
+    ffi::{c_char, c_int, c_uint},
     iter, mem, slice,
 };
 
@@ -112,6 +112,7 @@ define_ioctl_data! {
 }
 
 pub const MODE_GET_FB: u64 = 0xAD;
+pub const MODE_ADD_FB: u64 = 0xAE;
 define_ioctl_data! {
     struct drm_mode_fb_cmd, DrmModeFbCmd {
         fb_id: u32,
@@ -124,6 +125,19 @@ define_ioctl_data! {
     }
 }
 
+pub const MODE_RM_FB: u64 = 0xAF;
+define_ioctl_data! {
+    struct standin_for_uint, StandinForUint {
+        inner: c_uint,
+    }
+}
+
+#[repr(transparent)]
+#[allow(non_camel_case_types)]
+pub struct standin_for_uint {
+    pub inner: c_uint,
+}
+
 pub const MODE_CREATE_DUMB: u64 = 0xB2;
 define_ioctl_data! {
     struct drm_mode_create_dumb, DrmModeCreateDumb {
diff --git a/src/header/sys_ioctl/redox/drm.rs b/src/header/sys_ioctl/redox/drm.rs
index 32c208c6b5..4c7fc9ca1f 100644
--- a/src/header/sys_ioctl/redox/drm.rs
+++ b/src/header/sys_ioctl/redox/drm.rs
@@ -98,6 +98,8 @@ pub(super) unsafe fn ioctl(fd: c_int, func: u8, buf: IoctlBuffer) -> Result<c_in
         0xA6 => dev.read_write_ioctl::<drm_mode_get_encoder>(buf, MODE_GET_ENCODER),
         0xA7 => dev.read_write_ioctl::<drm_mode_get_connector>(buf, MODE_GET_CONNECTOR),
         0xAD => dev.read_write_ioctl::<drm_mode_fb_cmd>(buf, MODE_GET_FB),
+        0xAE => dev.read_write_ioctl::<drm_mode_fb_cmd>(buf, MODE_ADD_FB),
+        0xAF => dev.read_write_ioctl::<standin_for_uint>(buf, MODE_RM_FB),
         0xB2 => dev.read_write_ioctl::<drm_mode_create_dumb>(buf, MODE_CREATE_DUMB),
         0xB3 => dev.read_write_ioctl::<drm_mode_map_dumb>(buf, MODE_MAP_DUMB),
         0xB4 => dev.read_write_ioctl::<drm_mode_destroy_dumb>(buf, MODE_DESTROY_DUMB),