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authorChristian König <christian.koenig@amd.com>2018-08-24 09:40:10 +0200
committerAlex Deucher <alexander.deucher@amd.com>2018-08-29 12:35:52 -0500
commit5f232bd79b2417450064b78a9b3d398f9cd498ba (patch)
treed8c85e4ec9d747245e3f41489857269c6e48e71a /drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
parentd78c1fa0c9f815fe951fd57001acca3d35262a17 (diff)
drm/amdgpu: use the smaller hole for GART
Instead of the larger one use the smaller hole in the MC address space for the GART mappings. 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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c3
1 files changed, 2 insertions, 1 deletions
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);