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From e8942889cbc0289d287842f8aa23612ec3ed2ff5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Sun, 7 Jan 2018 10:18:57 +0100
Subject: [PATCH 3133/4131] drm/amdgpu: fix 64bit BAR detection
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Windows added by the BIOS are not marked as 64bit because they are
usually not changeable anyway.
This fixes large BAR support on my new Ryzen build system.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index f4e0868..26343af 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -626,7 +626,7 @@ int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev)
root = root->parent;
pci_bus_for_each_resource(root, res, i) {
- if (res && res->flags & IORESOURCE_MEM_64 &&
+ if (res && res->flags & (IORESOURCE_MEM | IORESOURCE_MEM_64) &&
res->start > 0x100000000ull)
break;
}
--
2.7.4
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