From: Christian König <christian.koe...@amd.com>
Instead of relying on the sysvm_size to be the same as the module parameter.
Signed-off-by: Christian König <christian.koe...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 9240357..72dd83e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -1097,6 +1097,7 @@ static struct ttm_bo_driver amdgpu_bo_driver = {
int amdgpu_ttm_init(struct amdgpu_device *adev)
{
+ uint64_t gtt_size;
int r;
r = amdgpu_ttm_global_init(adev);
@@ -1143,14 +1144,19 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
}
DRM_INFO("amdgpu: %uM of VRAM memory ready\n",
(unsigned) (adev->mc.real_vram_size / (1024 * 1024)));
- r = ttm_bo_init_mm(&adev->mman.bdev, TTM_PL_TT,
- adev->mc.sysvm_size >> PAGE_SHIFT);
+
+ if (amdgpu_gart_size == -1)
+ gtt_size = max((AMDGPU_DEFAULT_GTT_SIZE_MB << 20),
+ adev->mc.mc_vram_size);
+ else
+ gtt_size = (uint64_t)amdgpu_gart_size << 20;
+ r = ttm_bo_init_mm(&adev->mman.bdev, TTM_PL_TT, gtt_size >> PAGE_SHIFT);
if (r) {
DRM_ERROR("Failed initializing GTT heap.\n");
return r;
}
DRM_INFO("amdgpu: %uM of GTT memory ready.\n",
- (unsigned)(adev->mc.sysvm_size / (1024 * 1024)));
+ (unsigned)(gtt_size / (1024 * 1024)));
adev->gds.mem.total_size = adev->gds.mem.total_size << AMDGPU_GDS_SHIFT;
adev->gds.mem.gfx_partition_size = adev->gds.mem.gfx_partition_size <<
AMDGPU_GDS_SHIFT;
--
2.7.4
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