From: Horatio Zhang Hongkun.Zhang@amd.com
[ Upstream commit 23f4a2d29ba57bf88095f817de5809d427fcbe7e ]
The call trace occurs when the amdgpu is removed after the mode1 reset. During mode1 reset, from suspend to resume, there is no need to reinitialize the ta firmware buffer which caused the bo pin_count increase redundantly.
[ 489.885525] Call Trace: [ 489.885525] <TASK> [ 489.885526] amdttm_bo_put+0x34/0x50 [amdttm] [ 489.885529] amdgpu_bo_free_kernel+0xe8/0x130 [amdgpu] [ 489.885620] psp_free_shared_bufs+0xb7/0x150 [amdgpu] [ 489.885720] psp_hw_fini+0xce/0x170 [amdgpu] [ 489.885815] amdgpu_device_fini_hw+0x2ff/0x413 [amdgpu] [ 489.885960] ? blocking_notifier_chain_unregister+0x56/0xb0 [ 489.885962] amdgpu_driver_unload_kms+0x51/0x60 [amdgpu] [ 489.886049] amdgpu_pci_remove+0x5a/0x140 [amdgpu] [ 489.886132] ? __pm_runtime_resume+0x60/0x90 [ 489.886134] pci_device_remove+0x3e/0xb0 [ 489.886135] __device_release_driver+0x1ab/0x2a0 [ 489.886137] driver_detach+0xf3/0x140 [ 489.886138] bus_remove_driver+0x6c/0xf0 [ 489.886140] driver_unregister+0x31/0x60 [ 489.886141] pci_unregister_driver+0x40/0x90 [ 489.886142] amdgpu_exit+0x15/0x451 [amdgpu]
Signed-off-by: Horatio Zhang Hongkun.Zhang@amd.com Signed-off-by: longlyao Longlong.Yao@amd.com Reviewed-by: Guchun Chen guchun.chen@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index 087147f09933a..3b8825a3e2336 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -1695,7 +1695,7 @@ static int psp_hdcp_initialize(struct psp_context *psp) psp->hdcp_context.context.mem_context.shared_mem_size = PSP_HDCP_SHARED_MEM_SIZE; psp->hdcp_context.context.ta_load_type = GFX_CMD_ID_LOAD_TA;
- if (!psp->hdcp_context.context.initialized) { + if (!psp->hdcp_context.context.mem_context.shared_buf) { ret = psp_ta_init_shared_buf(psp, &psp->hdcp_context.context.mem_context); if (ret) return ret; @@ -1762,7 +1762,7 @@ static int psp_dtm_initialize(struct psp_context *psp) psp->dtm_context.context.mem_context.shared_mem_size = PSP_DTM_SHARED_MEM_SIZE; psp->dtm_context.context.ta_load_type = GFX_CMD_ID_LOAD_TA;
- if (!psp->dtm_context.context.initialized) { + if (!psp->dtm_context.context.mem_context.shared_buf) { ret = psp_ta_init_shared_buf(psp, &psp->dtm_context.context.mem_context); if (ret) return ret; @@ -1830,7 +1830,7 @@ static int psp_rap_initialize(struct psp_context *psp) psp->rap_context.context.mem_context.shared_mem_size = PSP_RAP_SHARED_MEM_SIZE; psp->rap_context.context.ta_load_type = GFX_CMD_ID_LOAD_TA;
- if (!psp->rap_context.context.initialized) { + if (!psp->rap_context.context.mem_context.shared_buf) { ret = psp_ta_init_shared_buf(psp, &psp->rap_context.context.mem_context); if (ret) return ret;