[PATCH 4/6] drm/amdgpu/psp: Do not load asd for SRIOV

[Liu, Monk]

Reviewed-by: Monk Liu <monk.liu at amd.com>

-----Original Message-----
From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf Of Xiangliang Yu
Sent: Thursday, May 04, 2017 2:37 PM
To: amd-gfx at lists.freedesktop.org
Cc: Wang, Daniel(Xiaowei) <Daniel.Wang2 at amd.com>; Yu, Xiangliang <Xiangliang.Yu at amd.com>
Subject: [PATCH 4/6] drm/amdgpu/psp: Do not load asd for SRIOV

If psp version doesn't match asd version, asd loading will be failed. Add workaround to bypass it for sriov.

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 | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index ac5e92e..5041073 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -230,6 +230,13 @@ static int psp_asd_load(struct psp_context *psp)
 	int ret;
 	struct psp_gfx_cmd_resp *cmd;
 
+	/* If PSP version doesn't match ASD version, asd loading will be failed.
+	 * add workaround to bypass it for sriov now.
+	 * TODO: add version check to make it common
+	 */
+	if (amdgpu_sriov_vf(psp->adev))
+		return 0;
+
 	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
 	if (!cmd)
 		return -ENOMEM;
--
2.7.4

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