[AMD Official Use Only]
Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
Regards,
Hawking
-----Original Message-----
From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Tao Zhou
Sent: Friday, October 15, 2021 15:28
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx; Zhang, Hawking <Hawking.Zhang@xxxxxxx>; Clements, John <John.Clements@xxxxxxx>; Yang, Stanley <Stanley.Yang@xxxxxxx>
Cc: Zhou1, Tao <Tao.Zhou1@xxxxxxx>
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@xxxxxxx>
---
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
