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authorJames Morris <[email protected]>2017-12-11 17:01:08 +1100
committerJames Morris <[email protected]>2017-12-11 17:01:08 +1100
commitd21bd6898336a7892914d308d5e0868f0b863571 (patch)
treef5f756c25348b5a6c1ce9ddbaa7d1ecd1bef40b0 /drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c
parent34d8751fd4ffa34e85ee7e85d34168b3f3f62b42 (diff)
parent50c4c4e268a2d7a3e58ebb698ac74da0de40ae36 (diff)
Sync to v4.15-rc3 for security subsystem developers to work against.
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c
index 2812d88a8bdd..b4906d2f30d3 100644
--- a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c
+++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c
@@ -183,6 +183,12 @@ static int xgpu_ai_send_access_requests(struct amdgpu_device *adev,
pr_err("Doesn't get READY_TO_ACCESS_GPU from pf, give up\n");
return r;
}
+ /* Retrieve checksum from mailbox2 */
+ if (req == IDH_REQ_GPU_INIT_ACCESS) {
+ adev->virt.fw_reserve.checksum_key =
+ RREG32_NO_KIQ(SOC15_REG_OFFSET(NBIO, 0,
+ mmBIF_BX_PF0_MAILBOX_MSGBUF_RCV_DW2));
+ }
}
return 0;