From 8a4603f9c485aef1679b123ac4ac541fa9b269cf Mon Sep 17 00:00:00 2001
From: Anthony Cowley <acowley@gmail.com>
Date: Sat, 7 Dec 2019 11:06:42 -0500
Subject: [PATCH] linux: fix amdgpu memory mapping with kernel >= 5.3

These configuration options are needed for the ROCm GPU compute stack
on kernels >= 5.3.
---
 pkgs/os-specific/linux/kernel/common-config.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/os-specific/linux/kernel/common-config.nix b/pkgs/os-specific/linux/kernel/common-config.nix
index 8158865ab29..4bd86a70267 100644
--- a/pkgs/os-specific/linux/kernel/common-config.nix
+++ b/pkgs/os-specific/linux/kernel/common-config.nix
@@ -717,6 +717,9 @@ let
 
       # Enable AMD's ROCm GPU compute stack
       HSA_AMD = whenAtLeast "4.20" yes;
+      ZONE_DEVICE = whenAtLeast "5.3" yes;
+      HMM_MIRROR = whenAtLeast "5.3" yes;
+      DRM_AMDGPU_USERPTR = whenAtLeast "5.3" yes;
 
       PREEMPT = no;
       PREEMPT_VOLUNTARY = yes;