[PATCH 03/11] drm/amdgpu/psp: skip loading SDMA/RLCG under SRIOV VF

Xiangliang Yu Xiangliang.Yu at amd.com
Mon Apr 24 06:58:01 UTC 2017


From: Daniel Wang <Daniel.Wang2 at amd.com>

Now GPU hypervisor will load SDMA and RLCG ucode, so skip it
in guest.

Signed-off-by: Daniel Wang <Daniel.Wang2 at amd.com>
Signed-off-by: Xiangliang Yu <Xiangliang.Yu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 1e380fe..ac5e92e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -289,6 +289,12 @@ static int psp_np_fw_load(struct psp_context *psp)
 		if (ucode->ucode_id == AMDGPU_UCODE_ID_SMC &&
 		    psp_smu_reload_quirk(psp))
 			continue;
+		if (amdgpu_sriov_vf(adev) &&
+		   (ucode->ucode_id == AMDGPU_UCODE_ID_SDMA0
+		    || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA1
+		    || ucode->ucode_id == AMDGPU_UCODE_ID_RLC_G))
+			/*skip ucode loading in SRIOV VF */
+			continue;
 
 		ret = psp_prep_cmd_buf(ucode, psp->cmd);
 		if (ret)
-- 
2.7.4



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