Merge #151019: amdgpu-pro: 17.40 -> 21.30

nixos/modules/hardware/video/amdgpu-pro.nix

···
   enabled = elem "amdgpu-pro" drivers;
 
   package = config.boot.kernelPackages.amdgpu-pro;
-  package32 = pkgs.pkgsi686Linux.linuxPackages.amdgpu-pro.override { libsOnly = true; kernel = null; };
+  package32 = pkgs.pkgsi686Linux.linuxPackages.amdgpu-pro.override { kernel = null; };
 
   opengl = config.hardware.opengl;
 
-  kernel = pkgs.linux_4_9.override {
-    extraConfig = ''
-      KALLSYMS_ALL y
-    '';
-  };
-
 in
 
 {
 
   config = mkIf enabled {
 
-    nixpkgs.config.xorg.abiCompat = "1.19";
+    nixpkgs.config.xorg.abiCompat = "1.20";
 
     services.xserver.drivers = singleton
       { name = "amdgpu"; modules = [ package ]; display = true; };
···
     hardware.opengl.package32 = package32;
     hardware.opengl.setLdLibraryPath = true;
 
-    boot.extraModulePackages = [ package ];
+    boot.extraModulePackages = [ package.kmod ];
 
-    boot.kernelPackages =
-      pkgs.recurseIntoAttrs (pkgs.linuxPackagesFor kernel);
-
-    boot.blacklistedKernelModules = [ "radeon" ];
+    boot.kernelPackages = pkgs.linuxKernel.packagesFor
+      (pkgs.linuxKernel.kernels.linux_5_10.override {
+        structuredExtraConfig = {
+          DEVICE_PRIVATE = kernel.yes;
+          KALLSYMS_ALL = kernel.yes;
+        };
+      });
 
-    hardware.firmware = [ package ];
+    hardware.firmware = [ package.fw ];
 
     system.activationScripts.setup-amdgpu-pro = ''
-      mkdir -p /run/lib
-      ln -sfn ${package}/lib ${package.libCompatDir}
-      ln -sfn ${package} /run/amdgpu-pro
-    '' + optionalString opengl.driSupport32Bit ''
-      ln -sfn ${package32}/lib ${package32.libCompatDir}
+      ln -sfn ${package}/opt/amdgpu{,-pro} /run
     '';
 
     system.requiredKernelConfig = with config.lib.kernelConfig; [
+      (isYes "DEVICE_PRIVATE")
       (isYes "KALLSYMS_ALL")
     ];
 
+    boot.initrd.extraUdevRulesCommands = ''
+      cp -v ${package}/etc/udev/rules.d/*.rules $out/
+    '';
+
+    environment.systemPackages =
+      [ package.vulkan ] ++
+      # this isn't really DRI, but we'll reuse this option for now
+      optional config.hardware.opengl.driSupport32Bit package32.vulkan;
+
     environment.etc = {
-      "amd/amdrc".source = package + "/etc/amd/amdrc";
-      "amd/amdapfxx.blb".source = package + "/etc/amd/amdapfxx.blb";
-      "gbm/gbm.conf".source = package + "/etc/gbm/gbm.conf";
+      "modprobe.d/blacklist-radeon.conf".source = package + "/etc/modprobe.d/blacklist-radeon.conf";
+      amd.source = package + "/etc/amd";
     };
 
   };

nixos/modules/services/x11/xserver.nix

···
 
         environment =
           optionalAttrs config.hardware.opengl.setLdLibraryPath
-            { LD_LIBRARY_PATH = pkgs.addOpenGLRunpath.driverLink; }
+            { LD_LIBRARY_PATH = lib.makeLibraryPath [ pkgs.addOpenGLRunpath.driverLink ]; }
           // cfg.displayManager.job.environment;
 
         preStart =

pkgs/os-specific/linux/amdgpu-pro/default.nix

···
-{ lib, stdenv, fetchurl, elfutils
-, xorg, patchelf, openssl, libdrm, udev
-, libxcb, libxshmfence, libepoxy, perl, zlib
-, ncurses
-, libsOnly ? false, kernel ? null
+{ lib
+, stdenv
+, fetchurl
+, elfutils
+, xorg
+, patchelf
+, libxcb
+, libxshmfence
+, perl
+, zlib
+, expat
+, libffi
+, libselinux
+, udev
+, kernel ? null
 }:
 
-assert (!libsOnly) -> kernel != null;
-
 with lib;
 
 let
 
-  kernelDir = if libsOnly then null else kernel.dev;
-
   bitness = if stdenv.is64bit then "64" else "32";
 
   libArch =
···
       "i386-linux-gnu"
     else if stdenv.hostPlatform.system == "x86_64-linux" then
       "x86_64-linux-gnu"
-    else throw "amdgpu-pro is Linux only. Sorry. The build was stopped.";
-
-  libReplaceDir = "/usr/lib/${libArch}";
-
-  ncurses5 = ncurses.override { abiVersion = "5"; };
+    else throw "amdgpu-pro is Linux only. Sorry.";
 
 in stdenv.mkDerivation rec {
 
-  version = "17.40";
+  version = "21.30";
   pname = "amdgpu-pro";
-  build = "${version}-492261";
-
-  libCompatDir = "/run/lib/${libArch}";
-
-  name = pname + "-" + version + (optionalString (!libsOnly) "-${kernelDir.version}");
+  build = "${version}-1290604";
 
   src = fetchurl {
-    url =
-    "https://www2.ati.com/drivers/linux/ubuntu/amdgpu-pro-${build}.tar.xz";
-    sha256 = "1c073lp9cq1rc2mddky2r0j2dv9dd167qj02visz37vwaxbm2r5h";
-    curlOpts = "--referer http://support.amd.com/en-us/kb-articles/Pages/AMD-Radeon-GPU-PRO-Linux-Beta-Driver%e2%80%93Release-Notes.aspx";
+    url = "https://drivers.amd.com/drivers/linux/amdgpu-pro-${build}-ubuntu-20.04.tar.xz";
+    sha256 = "sha256-WECqxjo2WLP3kMWeVyJgYufkvHTzwGaj57yeMGXiQ4I=";
+    curlOpts = "--referer https://www.amd.com/en/support/kb/release-notes/rn-amdgpu-unified-linux-21-30";
   };
 
-  hardeningDisable = [ "pic" "format" ];
-
-  inherit libsOnly;
-
   postUnpack = ''
-    cd $sourceRoot
     mkdir root
-    cd root
-    for deb in ../*_all.deb ../*_i386.deb '' + optionalString stdenv.is64bit "../*_amd64.deb" + ''; do echo $deb; ar p $deb data.tar.xz | tar -xJ; done
-    sourceRoot=.
-  '';
-
-  modulePatches = optionals (!libsOnly) ([
-    ./patches/0001-fix-warnings-for-Werror.patch
-    ./patches/0002-fix-sketchy-int-ptr-warning.patch
-    ./patches/0003-disable-firmware-copy.patch
-  ]);
-
-  patchPhase = optionalString (!libsOnly) ''
-    pushd usr/src/amdgpu-${build}
-    for patch in $modulePatches
+    pushd $sourceRoot
+    for deb in *_all.deb *_${if stdenv.is64bit then "amd64" else "i386"}.deb
     do
-      echo $patch
-      patch -f -p1 < $patch || true
+      ar p $deb data.tar.xz | tar -C ../root -xJ
     done
     popd
+    # if we don't use a short sourceRoot, compilation can fail due to command
+    # line length
+    sourceRoot=root
   '';
 
-  xreallocarray = ./xreallocarray.c;
+  passthru = optionalAttrs (kernel != null) {
+    kmod = stdenv.mkDerivation rec {
+      inherit version src postUnpack;
+      name = "${pname}-${version}-kmod-${kernel.dev.version}";
 
-  preBuild = optionalString (!libsOnly) ''
-    pushd usr/src/amdgpu-${build}
-    makeFlags="$makeFlags M=$(pwd)"
-    patchShebangs pre-build.sh
-    ./pre-build.sh ${kernel.version}
-    popd
-    pushd lib
-    $CC -fPIC -shared -o libhack-xreallocarray.so $xreallocarray
-    strip libhack-xreallocarray.so
-    popd
-  '';
+      postPatch = ''
+        pushd usr/src/amdgpu-*
+        patchShebangs amd/dkms/*.sh
+        substituteInPlace amd/dkms/pre-build.sh --replace "./configure" "./configure --with-linux=${kernel.dev}/lib/modules/${kernel.modDirVersion}/source --with-linux-obj=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
+        popd
+      '';
 
-  modules = [
-    "amd/amdgpu/amdgpu.ko"
-    "amd/amdkcl/amdkcl.ko"
-    "ttm/amdttm.ko"
-  ];
+      preConfigure = ''
+        pushd usr/src/amdgpu-*
+        makeFlags="$makeFlags M=$(pwd)"
+        amd/dkms/pre-build.sh ${kernel.version}
+        popd
+      '';
 
-  postBuild = optionalString (!libsOnly)
-    (concatMapStrings (m: "xz usr/src/amdgpu-${build}/${m}\n") modules);
+      postBuild = ''
+        pushd usr/src/amdgpu-*
+        find -name \*.ko -exec xz {} \;
+        popd
+      '';
+
+      makeFlags = optionalString (kernel != null) "-C ${kernel.dev}/lib/modules/${kernel.modDirVersion}/build modules";
+
+      installPhase = ''
+        runHook preInstall
+
+        pushd usr/src/amdgpu-*
+        find -name \*.ko.xz -exec install -Dm444 {} $out/lib/modules/${kernel.modDirVersion}/kernel/drivers/gpu/drm/{} \;
+        popd
+
+        runHook postInstall
+      '';
+
+      # without this we get a collision with the ttm module from linux
+      meta.priority = 4;
+    };
+
+    fw = stdenv.mkDerivation rec {
+      inherit version src postUnpack;
+      name = "${pname}-${version}-fw";
+
+      installPhase = ''
+        runHook preInstall
+
+        mkdir -p $out/lib
+        cp -r usr/src/amdgpu-*/firmware $out/lib/firmware
 
-  NIX_CFLAGS_COMPILE = "-Werror";
+        runHook postInstall
+      '';
+    };
+  };
 
-  makeFlags = optionalString (!libsOnly)
-    "-C ${kernel.dev}/lib/modules/${kernel.modDirVersion}/build modules";
+  outputs = [ "out" "vulkan" ];
 
   depLibPath = makeLibraryPath [
-    stdenv.cc.cc.lib xorg.libXext xorg.libX11 xorg.libXdamage xorg.libXfixes zlib
-    xorg.libXxf86vm libxcb libxshmfence libepoxy openssl libdrm elfutils udev ncurses5
+    stdenv.cc.cc.lib
+    zlib
+    libxcb
+    libxshmfence
+    elfutils
+    expat
+    libffi
+    libselinux
+    # libudev is not listed in any dependencies, but is loaded dynamically
+    udev
+    xorg.libXext
+    xorg.libX11
+    xorg.libXfixes
+    xorg.libXdamage
+    xorg.libXxf86vm
   ];
 
   installPhase = ''
+    runHook preInstall
+
     mkdir -p $out
 
-    cp -r etc $out/etc
-    cp -r lib $out/lib
+    cp -r usr/lib/${libArch} $out/lib
+    cp -r usr/share $out/share
 
-    pushd usr
-    cp -r lib/${libArch}/* $out/lib
-  '' + optionalString (!libsOnly) ''
-    cp -r src/amdgpu-${build}/firmware $out/lib/firmware
-  '' + ''
-    cp -r share $out/share
+    mkdir -p $out/opt/amdgpu{,-pro}
+    cp -r opt/amdgpu-pro/lib/${libArch} $out/opt/amdgpu-pro/lib
+    cp -r opt/amdgpu/lib/${libArch} $out/opt/amdgpu/lib
+
+    pushd $out/lib
+    ln -s ../opt/amdgpu-pro/lib/libGL.so* .
+    ln -s ../opt/amdgpu-pro/lib/libEGL.so* .
     popd
 
-    pushd opt/amdgpu-pro
-  '' + optionalString (!libsOnly && stdenv.is64bit) ''
-    cp -r bin $out/bin
-  '' + ''
-    cp -r include $out/include
-    cp -r share/* $out/share
-    cp -r lib/${libArch}/* $out/lib
-  '' + optionalString (!libsOnly) ''
-    mv lib/xorg $out/lib/xorg
-  '' + ''
+    # short name to allow replacement below
+    ln -s lib/dri $out/dri
+
+  '' + optionalString (stdenv.is64bit) ''
+    mkdir -p $out/etc
+    pushd etc
+    cp -r modprobe.d udev amd $out/etc
     popd
 
-  '' + optionalString (!libsOnly)
-    (concatMapStrings (m:
-      "install -Dm444 usr/src/amdgpu-${build}/${m}.xz $out/lib/modules/${kernel.modDirVersion}/kernel/drivers/gpu/drm/${m}.xz\n") modules)
-  + ''
-    mv $out/etc/vulkan $out/share
-    interpreter="$(cat $NIX_CC/nix-support/dynamic-linker)"
-    libPath="$out/lib:$out/lib/gbm:$depLibPath"
-  '' + optionalString (!libsOnly && stdenv.is64bit) ''
-    for prog in clinfo modetest vbltest kms-universal-planes kms-steal-crtc modeprint amdgpu_test kmstest proptest; do
-      patchelf --interpreter "$interpreter" --set-rpath "$libPath" "$out/bin/$prog"
-    done
+    cp -r lib/udev/rules.d/* $out/etc/udev/rules.d
+    cp -r opt/amdgpu/lib/xorg $out/lib/xorg
+    cp -r opt/amdgpu-pro/lib/xorg/* $out/lib/xorg
+    cp -r opt/amdgpu/share $out/opt/amdgpu/share
   '' + ''
-    ln -s ${makeLibraryPath [ncurses5]}/libncursesw.so.5 $out/lib/libtinfo.so.5
+
+    mkdir -p $vulkan/share/vulkan/icd.d
+    install opt/amdgpu-pro/etc/vulkan/icd.d/amd_icd${bitness}.json $vulkan/share/vulkan/icd.d
+
+    runHook postInstall
   '';
 
-  # we'll just set the full rpath on everything to avoid having to track down dlopen problems
-  postFixup = assert (stringLength libReplaceDir == stringLength libCompatDir); ''
-    libPath="$out/lib:$out/lib/gbm:$depLibPath"
-    for lib in `find "$out/lib/" -name '*.so*' -type f`; do
-      patchelf --set-rpath "$libPath" "$lib"
-    done
-    for lib in libEGL.so.1 libGL.so.1.2 ${optionalString (!libsOnly) "xorg/modules/extensions/libglx.so"} dri/amdgpu_dri.so libamdocl${bitness}.so; do
-      perl -pi -e 's:${libReplaceDir}:${libCompatDir}:g' "$out/lib/$lib"
-    done
-    for lib in dri/amdgpu_dri.so libdrm_amdgpu.so.1.0.0 libgbm_amdgpu.so.1.0.0 libkms_amdgpu.so.1.0.0 libamdocl${bitness}.so; do
-      perl -pi -e 's:/opt/amdgpu-pro/:/run/amdgpu-pro/:g' "$out/lib/$lib"
-    done
-    substituteInPlace "$out/share/vulkan/icd.d/amd_icd${bitness}.json" --replace "/opt/amdgpu-pro/lib/${libArch}" "$out/lib"
-  '' + optionalString (!libsOnly) ''
-    for lib in drivers/modesetting_drv.so libglamoregl.so; do
-      patchelf --add-needed $out/lib/libhack-xreallocarray.so $out/lib/xorg/modules/$lib
-    done
+  preFixup = (if stdenv.is64bit
+    # this could also be done with LIBGL_DRIVERS_PATH, but it would need to be
+    # set in the user session and for Xorg
+    then ''
+      expr1='s:/opt/amdgpu/lib/x86_64-linux-gnu/dri\0:/run/opengl-driver/lib/dri\0\0\0\0\0\0\0\0\0\0\0:g'
+      expr2='s:/usr/lib/x86_64-linux-gnu/dri[\0\:]:/run/opengl-driver/lib/dri\0\0\0\0:g'
+      perl -pi -e "$expr2" $out/lib/xorg/modules/extensions/libglx.so
+    ''
+    else ''
+      expr1='s:/opt/amdgpu/lib/i386-linux-gnu/dri\0:/run/opengl-driver-32/lib/dri\0\0\0\0\0\0:g'
+      # we replace a different path on 32-bit because it's the only one long
+      # enough to fit the target path :(
+      expr2='s:/usr/lib/i386-linux-gnu/dri[\0\:]:/run/opengl-driver-32/dri\0\0\0:g'
+    '') + ''
+    perl -pi -e "$expr1" \
+      $out/opt/amdgpu/lib/libEGL.so.1.0.0 \
+      $out/opt/amdgpu/lib/libgbm.so.1.0.0 \
+      $out/opt/amdgpu/lib/libGL.so.1.2.0
+
+    perl -pi -e "$expr2" \
+      $out/opt/amdgpu-pro/lib/libEGL.so.1 \
+      $out/opt/amdgpu-pro/lib/libGL.so.1.2 \
+      $out/opt/amdgpu-pro/lib/libGLX_amd.so.0
+
+    find $out -type f -exec perl -pi -e 's:/opt/amdgpu-pro/:/run/amdgpu-pro/:g' {} \;
+    find $out -type f -exec perl -pi -e 's:/opt/amdgpu/:/run/amdgpu/:g' {} \;
+
+    substituteInPlace $vulkan/share/vulkan/icd.d/*.json --replace /opt/amdgpu-pro/lib/${libArch} "$out/opt/amdgpu-pro/lib"
+  '';
+
+  # doing this in post because shrinking breaks things that dynamically load
+  postFixup = ''
+    libPath="$out/opt/amdgpu/lib:$out/opt/amdgpu-pro/lib:$depLibPath"
+    find "$out" -name '*.so*' -type f -exec patchelf --set-rpath "$libPath" {} \;
   '';
 
   buildInputs = [
···
     license = licenses.unfree;
     platforms = platforms.linux;
     maintainers = with maintainers; [ corngood ];
-    # Copied from the nvidia default.nix to prevent a store collision.
-    priority = 4;
   };
 }

pkgs/os-specific/linux/amdgpu-pro/patches/0001-fix-warnings-for-Werror.patch

···
-From 9167d76c435a7c1df7954f0fbe5cc6d083f8ed2f Mon Sep 17 00:00:00 2001
-From: David McFarland <[e-mail]>
-Date: Mon, 6 Feb 2017 22:13:49 -0400
-Subject: [PATCH 1/3] fix warnings for Werror
-
----
- amd/amdgpu/amdgpu_device.c         | 4 ++--
- amd/amdgpu/amdgpu_sa.c             | 2 +-
- amd/display/dc/bios/bios_parser2.c | 8 ++++----
- 3 files changed, 7 insertions(+), 7 deletions(-)
-
-diff --git a/amd/amdgpu/amdgpu_device.c b/amd/amdgpu/amdgpu_device.c
-index fc1c543..186e06d 100644
---- a/amd/amdgpu/amdgpu_device.c
-+++ b/amd/amdgpu/amdgpu_device.c
-@@ -3164,7 +3164,7 @@ void amdgpu_debugfs_cleanup(struct drm_minor *minor)
- 	struct drm_info_node *node, *tmp;
- 
- 	if (!&minor->debugfs_root)
--		return 0;
-+		return;
- 
- 	mutex_lock(&minor->debugfs_lock);
- 	list_for_each_entry_safe(node, tmp,
-@@ -3175,7 +3175,7 @@ void amdgpu_debugfs_cleanup(struct drm_minor *minor)
- 	}
- 	mutex_unlock(&minor->debugfs_lock);
- 
--	return 0;
-+	return;
- }
- #endif
- 
-diff --git a/amd/amdgpu/amdgpu_sa.c b/amd/amdgpu/amdgpu_sa.c
-index 7206b34..8b7123c 100644
---- a/amd/amdgpu/amdgpu_sa.c
-+++ b/amd/amdgpu/amdgpu_sa.c
-@@ -430,7 +430,7 @@ void amdgpu_sa_bo_dump_debug_info(struct amdgpu_sa_manager *sa_manager,
- 		if (i->fence)
- #if defined(BUILD_AS_DKMS)
- 			seq_printf(m, " protected by 0x%08x on context %d",
--					i->fence->seqno, i->fence->context);
-+					i->fence->seqno, (int)i->fence->context);
- #else
- 			seq_printf(m, " protected by 0x%08x on context %llu",
- 				   i->fence->seqno, i->fence->context);
-diff --git a/amd/display/dc/bios/bios_parser2.c b/amd/display/dc/bios/bios_parser2.c
-index 86fce5a..99681c5 100644
---- a/amd/display/dc/bios/bios_parser2.c
-+++ b/amd/display/dc/bios/bios_parser2.c
-@@ -1326,13 +1326,13 @@ static enum bp_result get_embedded_panel_info_v2_1(
- 	info->lcd_timing.misc_info.VERTICAL_CUT_OFF = 0;
- 
- 	info->lcd_timing.misc_info.H_REPLICATION_BY2 =
--		lvds->lcd_timing.miscinfo & ATOM_H_REPLICATIONBY2;
-+		(lvds->lcd_timing.miscinfo & ATOM_H_REPLICATIONBY2) != 0;
- 	info->lcd_timing.misc_info.V_REPLICATION_BY2 =
--		lvds->lcd_timing.miscinfo & ATOM_V_REPLICATIONBY2;
-+		(lvds->lcd_timing.miscinfo & ATOM_V_REPLICATIONBY2) != 0;
- 	info->lcd_timing.misc_info.COMPOSITE_SYNC =
--		lvds->lcd_timing.miscinfo & ATOM_COMPOSITESYNC;
-+		(lvds->lcd_timing.miscinfo & ATOM_COMPOSITESYNC) != 0;
- 	info->lcd_timing.misc_info.INTERLACE =
--		lvds->lcd_timing.miscinfo & ATOM_INTERLACE;
-+		(lvds->lcd_timing.miscinfo & ATOM_INTERLACE) != 0;
- 
- 	/* not provided by VBIOS*/
- 	info->lcd_timing.misc_info.DOUBLE_CLOCK = 0;
--- 
-2.15.1
-

pkgs/os-specific/linux/amdgpu-pro/patches/0002-fix-sketchy-int-ptr-warning.patch

···
-From a07ee5dec35ca24a013a6638543ef5030b2bab40 Mon Sep 17 00:00:00 2001
-From: David McFarland <[e-mail]>
-Date: Tue, 9 Jan 2018 21:45:33 -0400
-Subject: [PATCH 2/3] fix sketchy int->ptr warning
-
----
- amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
-index d0f091b..707815a 100644
---- a/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
-+++ b/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
-@@ -236,7 +236,7 @@ bool dm_helpers_dp_mst_write_payload_allocation_table(
- 		pbn = drm_dp_calc_pbn_mode(clock, bpp);
- 
- 		slots = drm_dp_find_vcpi_slots(mst_mgr, pbn);
--		ret = drm_dp_mst_allocate_vcpi(mst_mgr, mst_port, pbn, slots);
-+		ret = drm_dp_mst_allocate_vcpi(mst_mgr, mst_port, pbn, &slots);
- 
- 		if (!ret)
- 			return false;
--- 
-2.15.1
-

pkgs/os-specific/linux/amdgpu-pro/patches/0003-disable-firmware-copy.patch

···
-From 7a3062acbbabdb29239bbc8c984e62589a88576e Mon Sep 17 00:00:00 2001
-From: David McFarland <[e-mail]>
-Date: Tue, 9 Jan 2018 21:49:55 -0400
-Subject: [PATCH 3/3] disable firmware copy
-
----
- pre-build.sh | 5 -----
- 1 file changed, 5 deletions(-)
-
-diff --git a/pre-build.sh b/pre-build.sh
-index e7b8a32..bad8f25 100755
---- a/pre-build.sh
-+++ b/pre-build.sh
-@@ -38,8 +38,3 @@ find ttm -name '*.c' -exec grep EXPORT_SYMBOL {} + \
-     | sort -u \
-     | awk -F'[()]' '{print "#define "$2" amd"$2" //"$0}'\
-     >> include/rename_symbol.h
--
--FW_DIR="/lib/firmware/$KERNELVER"
--mkdir -p $FW_DIR
--cp -ar /usr/src/amdgpu-17.40-492261/firmware/radeon $FW_DIR
--cp -ar /usr/src/amdgpu-17.40-492261/firmware/amdgpu $FW_DIR
--- 
-2.15.1
-

pkgs/os-specific/linux/amdgpu-pro/xreallocarray.c

···
-#include <malloc.h>
-
-void *xreallocarray(void *ptr, size_t nmemb, size_t size) {
-  return reallocarray(ptr, nmemb, size);
-}

pkgs/top-level/linux-kernels.nix

···
 
     akvcam = callPackage ../os-specific/linux/akvcam { };
 
-    amdgpu-pro = callPackage ../os-specific/linux/amdgpu-pro { };
+    amdgpu-pro = callPackage ../os-specific/linux/amdgpu-pro {
+      libffi = pkgs.libffi.overrideAttrs (orig: rec {
+        version = "3.3";
+        src = fetchurl {
+          url = "https://github.com/libffi/libffi/releases/download/v${version}/${orig.pname}-${version}.tar.gz";
+          sha256 = "0mi0cpf8aa40ljjmzxb7im6dbj45bb0kllcd09xgmp834y9agyvj";
+        };
+      });
+    };
 
     anbox = callPackage ../os-specific/linux/anbox/kmod.nix { };