1) SRIOV guest KMD doesn't care training buffer 2) if we resered training buffer that will overlap with IP discovery reservation because training buffer is at vram_size - 0x8000 and IP discovery is at ()vram_size - 0x10000 => vram_size -1) Signed-off-by: Monk Liu <Monk.Liu@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 665db23..54cfa3a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1859,9 +1859,10 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) *The reserved vram for memory training must be pinned to the specified *place on the VRAM, so reserve it early. */ - r = amdgpu_ttm_training_reserve_vram_init(adev); - if (r) - return r; + if (!amdgpu_sriov_vf(adev)) + r = amdgpu_ttm_training_reserve_vram_init(adev); + if (r) + return r; /* allocate memory as required for VGA * This is used for VGA emulation and pre-OS scanout buffers to -- 2.7.4 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx