[PATCH] drm/amdgpu: skip fw pri bo alloc for SRIOV
Yintian Tao
yttao at amd.com
Thu May 16 11:53:38 UTC 2019
PSP fw primary buffer is not used under SRIOV.
Therefore, we don't need to allocate memory for it.
v2: remove superfluous check for amdgpu_bo_free_kernel().
Signed-off-by: Yintian Tao <yttao at amd.com>
Signed-off-by: Monk Liu <Monk.Liu at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 17 ++++++++++-------
1 file changed, 10 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index c567a55..af9835c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -905,13 +905,16 @@ static int psp_load_fw(struct amdgpu_device *adev)
if (!psp->cmd)
return -ENOMEM;
- ret = amdgpu_bo_create_kernel(adev, PSP_1_MEG, PSP_1_MEG,
- AMDGPU_GEM_DOMAIN_GTT,
- &psp->fw_pri_bo,
- &psp->fw_pri_mc_addr,
- &psp->fw_pri_buf);
- if (ret)
- goto failed;
+ /* this fw pri bo is not used under SRIOV */
+ if (!amdgpu_sriov_vf(psp->adev)) {
+ ret = amdgpu_bo_create_kernel(adev, PSP_1_MEG, PSP_1_MEG,
+ AMDGPU_GEM_DOMAIN_GTT,
+ &psp->fw_pri_bo,
+ &psp->fw_pri_mc_addr,
+ &psp->fw_pri_buf);
+ if (ret)
+ goto failed;
+ }
ret = amdgpu_bo_create_kernel(adev, PSP_FENCE_BUFFER_SIZE, PAGE_SIZE,
AMDGPU_GEM_DOMAIN_VRAM,
--
2.7.4
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