On 08/28/2018 03:05 AM, Alex Deucher wrote:
On Mon, Aug 27, 2018 at 12:55 PM Christian König
<ckoenig.leichtzumer...@gmail.com> wrote:
Instead of the larger one use the smaller hole in the MC address
space for the GART mappings.
Signed-off-by: Christian König <christian.koe...@amd.com>
Reviewed-by: Alex Deucher <alexander.deuc...@amd.com>
Reviewed-by: Junwei Zhang <jerry.zh...@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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