V3:
Fixed psp fence and memory issues for the asic
using smu v13_0_2 when removing amdgpu device.
[Why]:
1. psp_suspend->psp_free_shared_bufs->
psp_ta_free_shared_buf->
amdgpu_bo_free_kernel->
...->amdgpu_bo_release_notify->
amdgpu_fill_buffer
psp will free vram memory used by psp when psp_suspend
is called. But for the asic using smu v13_0_2, because
psp_suspend is called before adev->shutdown is set to
true when removing the first hive device, amdgpu fill_buffer
will be called, which will cause fence issues when evicting
all vram resources in amdgpu vram mgr_fini.
2. Since psp_hw_fini is not called after calling psp_suspend
and psp_suspend only calls psp_ring_stop, the psp ring memory
will not be released when amdgpu device is removed.
[How]:
1. Set shutdown to true before calling amdgpu_device_gpu_recover,
then amdgpu_fill_buffer will not be called when psp_suspend is
called.
2. Free psp ring memory in psp_sw_fini.
Signed-off-by: YiPeng Chai <YiPeng.Chai@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 5 ++++-
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 1 +
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 5 +++++
3 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index a2614b881128..6df748599688 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -5183,8 +5183,11 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
*/
INIT_LIST_HEAD(&device_list);
if (!amdgpu_sriov_vf(adev) && (adev->gmc.xgmi.num_physical_nodes > 1)) {
- list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head)
+ list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head) {
list_add_tail(&tmp_adev->reset_list, &device_list);
+ if (gpu_reset_for_dev_remove && adev->shutdown)
+ tmp_adev->shutdown = true;
+ }
if (!list_is_first(&adev->reset_list, &device_list))
list_rotate_to_front(&adev->reset_list, &device_list);
device_list_handle = &device_list;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 8933f8f63d13..77dd5a631efd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -2206,6 +2206,7 @@ amdgpu_pci_remove(struct pci_dev *pdev)
if (need_to_reset_gpu) {
struct amdgpu_reset_context reset_context;
+ adev->shutdown = true;
memset(&reset_context, 0, sizeof(reset_context));
reset_context.method = AMD_RESET_METHOD_NONE;
reset_context.reset_req_dev = adev;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 28ca0a94b8a5..0646992c816d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -508,6 +508,11 @@ static int psp_sw_fini(void *handle)
kfree(cmd);
cmd = NULL;
+ if (psp->km_ring.ring_mem)
+ amdgpu_bo_free_kernel(&adev->firmware.rbuf,
+ &psp->km_ring.ring_mem_mc_addr,
+ (void **)&psp->km_ring.ring_mem);
+
amdgpu_bo_free_kernel(&psp->fw_pri_bo,
&psp->fw_pri_mc_addr, &psp->fw_pri_buf);
amdgpu_bo_free_kernel(&psp->fence_buf_bo,
--
2.25.1
