From c72942c167c1329f0aaa348e764f52e0aac09459 Mon Sep 17 00:00:00 2001
From: Tao Zhou <tao.zhou1@amd.com>
Date: Fri, 15 Oct 2021 14:29:38 +0800
Subject: [PATCH] drm/amdgpu: load PSP RL in resume path
Some registers' access will fail without PSP RL after resume.
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@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 2bfe0682e0e69..88274c254c76f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -2623,6 +2623,12 @@ static int psp_resume(void *handle)
goto failed;
}
+ ret = psp_rl_load(adev);
+ if (ret) {
+ dev_err(adev->dev, "PSP load RL failed!\n");
+ goto failed;
+ }
+
if (adev->gmc.xgmi.num_physical_nodes > 1) {
ret = psp_xgmi_initialize(psp, false, true);
/* Warning the XGMI seesion initialize failure
--
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