[AMD Official Use Only]
Reviewed-by: Hawking Zhang <hawking.zh...@amd.com>
Regards,
Hawking
-----Original Message-----
From: amd-gfx <amd-gfx-boun...@lists.freedesktop.org> On Behalf Of Tao Zhou
Sent: Friday, October 15, 2021 15:28
To: amd-gfx@lists.freedesktop.org; Zhang, Hawking <hawking.zh...@amd.com>;
Clements, John <john.cleme...@amd.com>; Yang, Stanley <stanley.y...@amd.com>
Cc: Zhou1, Tao <tao.zh...@amd.com>
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.zh...@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 2bfe0682e0e6..88274c254c76 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
--
2.17.1
