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From 8efac3d290a6d2dc558b90c2ed840db1a40b0862 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Fri, 24 Aug 2018 09:40:10 +0200
Subject: [PATCH 0214/2940] drm/amdgpu: use the smaller hole for GART
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Instead of the larger one use the smaller hole in the MC address
space for the GART mappings.
Change-Id: Ibb5d15772105b5fc52010825f85badc7abd4d12c
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
index 8269197df8e0..265ec6807130 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
@@ -132,7 +132,8 @@ void amdgpu_gmc_gart_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc)
mc->gart_size = max(size_bf, size_af);
}
- if (size_bf > size_af)
+ if ((size_bf >= mc->gart_size && size_bf < size_af) ||
+ (size_af < mc->gart_size))
mc->gart_start = 0;
else
mc->gart_start = ALIGN(mc->vram_end + 1, 0x100000000ULL);
--
2.17.1
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