On 08/28/2018 12:53 AM, Christian König wrote:
Always try to put the GART away from where VRAM is.
Signed-off-by: Christian König <christian.koe...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
index 265ec6807130..4331a0e25cdc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
@@ -136,7 +136,7 @@ void amdgpu_gmc_gart_location(struct amdgpu_device *adev,
struct amdgpu_gmc *mc)
(size_af < mc->gart_size))
mc->gart_start = 0;
else
- mc->gart_start = ALIGN(mc->vram_end + 1, 0x100000000ULL);
+ mc->gart_start = mc->mc_mask - mc->gart_size + 1;
it seems to break the VCE limitation about 4G alignment?
Jerry
mc->gart_end = mc->gart_start + mc->gart_size - 1;
dev_info(adev->dev, "GART: %lluM 0x%016llX - 0x%016llX\n",
mc->gart_size >> 20, mc->gart_start, mc->gart_end);
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