RE: [PATCH 5/5] drm/amdgpu: allocate psp fw private buffer from VRAM for sriov vf

["Liu, Shaoyun" <Shaoyun.Liu@xxxxxxx>]

[AMD Official Use Only]

Please double verify whether this feature apply to all aisc PSP supported  since this is not only apply to ARCTURUS and  ALDEBARAN. 

Shaoyun.liu

-----Original Message-----
From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Zhigang Luo
Sent: Thursday, June 3, 2021 10:13 AM
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: Luo, Zhigang <Zhigang.Luo@xxxxxxx>
Subject: [PATCH 5/5] drm/amdgpu: allocate psp fw private buffer from VRAM for sriov vf

psp added new feature to check fw buffer address for sriov vf. the address range must be in vf fb.

Signed-off-by: Zhigang Luo <zhigang.luo@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 6bd7e39c3e75..7c0f1017a46b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -2320,11 +2320,20 @@ 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 (amdgpu_sriov_vf(adev)) {
+		ret = amdgpu_bo_create_kernel(adev, PSP_1_MEG, PSP_1_MEG,
+						AMDGPU_GEM_DOMAIN_VRAM,
+						&psp->fw_pri_bo,
+						&psp->fw_pri_mc_addr,
+						&psp->fw_pri_buf);
+	} else {
+		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;
 
--
2.17.1

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