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From 961bc89dbda91a4cb039196ddf2b1502c5ff8ad2 Mon Sep 17 00:00:00 2001
From: Qiang Yu <Qiang.Yu@amd.com>
Date: Thu, 11 May 2017 13:16:49 +0800
Subject: [PATCH 0803/4131] drm/amdgpu: [SSG] fix wrong resource calculation
Change-Id: I46a9350db76225462b50b98e580ecb16ff9a5a40
Signed-off-by: Qiang Yu <Qiang.Yu@amd.com>
Reviewed-by: Roger.He <Hongbo.He@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 9512f27..d1cd671 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -1366,7 +1366,7 @@ static int amdgpu_ssg_init(struct amdgpu_device *adev)
res.start = adev->mc.aper_base +
(amdgpu_bo_gpu_offset(adev->direct_gma.dgma_bo) -
adev->mc.vram_start);
- res.end = res.start + amdgpu_bo_size(adev->direct_gma.dgma_bo);
+ res.end = res.start + amdgpu_bo_size(adev->direct_gma.dgma_bo) - 1;
res.name = "DirectGMA";
rc = percpu_ref_init(&adev->ssg.ref, amdgpu_ssg_percpu_release,
--
2.7.4
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