From: jsg <jsg@openbsd.org>
Date: Wed, 13 Sep 2023 12:51:49 +0000 (+0000)
Subject: drm/amdgpu: avoid integer overflow warning in amdgpu_device_resize_fb_bar()
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=7e1de2c27bddcb819d19103e92ce1ed3e4e9c300;p=openbsd

drm/amdgpu: avoid integer overflow warning in amdgpu_device_resize_fb_bar()

From Arnd Bergmann
fd28ce30b525bccba4504499de625085a6def1c6 in linux-6.1.y/6.1.53
822130b5e8834ab30ad410cf19a582e5014b9a85 in mainline linux
---

diff --git a/sys/dev/pci/drm/amd/amdgpu/amdgpu_device.c b/sys/dev/pci/drm/amd/amdgpu/amdgpu_device.c
index 8bad65c85d4..803e2d9dc72 100644
--- a/sys/dev/pci/drm/amd/amdgpu/amdgpu_device.c
+++ b/sys/dev/pci/drm/amd/amdgpu/amdgpu_device.c
@@ -1229,6 +1229,9 @@ int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev)
 	u16 cmd;
 	int r;
 
+	if (!IS_ENABLED(CONFIG_PHYS_ADDR_T_64BIT))
+		return 0;
+
 	/* Bypass for VF */
 	if (amdgpu_sriov_vf(adev))
 		return 0;