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drm/amdgpu: use the smaller hole for GART

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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>
This commit is contained in:
Christian König
2018-08-24 09:40:10 +02:00
committed by Alex Deucher
parent d78c1fa0c9
commit 5f232bd79b
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
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@@ -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);