1 files changed, 36 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/0994-drm-amdgpu-psp-Fix-to-get-wrong-xgmi-session-id.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/0994-drm-amdgpu-psp-Fix-to-get-wrong-xgmi-session-id.patch
new file mode 100644
index 00000000..e3845958
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/0994-drm-amdgpu-psp-Fix-to-get-wrong-xgmi-session-id.patch
@@ -0,0 +1,36 @@
+From 4cb54df2b7f058ebc7cd4a3a8cc434e12668a82d Mon Sep 17 00:00:00 2001
+From: Xiangliang Yu <Xiangliang.Yu@amd.com>
+Date: Thu, 13 Dec 2018 15:21:49 +0800
+Subject: [PATCH 0994/2940] drm/amdgpu/psp: Fix to get wrong xgmi session id
+
+Driver get session id after loading TA FW and the session id is used
+by driver instances to communicate with TA. PF and VF have different
+session id.
+
+xGMI session id should get from response buffer, correct it.
+
+Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
+Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+Signed-off-by: Chaudhary Amit Kumar <Chaudharyamit.Kumar@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+index f83c8e28dd2f..96b6ddc5f423 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+@@ -153,6 +153,9 @@ psp_cmd_submit_buf(struct psp_context *psp,
+ 			psp->cmd_buf_mem->resp.status, ucode->ucode_id);
+ 	}
+ 
++	/* get xGMI session id from response buffer */
++	cmd->resp.session_id = psp->cmd_buf_mem->resp.session_id;
++
+ 	if (ucode) {
+ 		ucode->tmr_mc_addr_lo = psp->cmd_buf_mem->resp.fw_addr_lo;
+ 		ucode->tmr_mc_addr_hi = psp->cmd_buf_mem->resp.fw_addr_hi;
+-- 
+2.17.1
+