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drm/amdgpu: program for resuming preempted ib 

For new submission ib, CE/DE metadata should be programmed to 0;
for partially execution ib, CE/DE metadata should be restored.

Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jack Xiao 2019-01-08 15:28:52 +08:00 committed by Alex Deucher
parent ca1eb73207
commit 43974dacb6
2 changed files with 2 additions and 0 deletions
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1
drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c
View File

@ -47,6 +47,7 @@ int amdgpu_allocate_static_csa(struct amdgpu_device *adev, struct amdgpu_bo **bo
return -ENOMEM;
memset(ptr, 0, size);
adev->virt.csa_cpu_addr = ptr;
return 0;
}

1
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
View File

@ -253,6 +253,7 @@ typedef struct amdgim_vf2pf_info_v2 amdgim_vf2pf_info ;
struct amdgpu_virt {
uint32_t caps;
struct amdgpu_bo *csa_obj;
void *csa_cpu_addr;
bool chained_ib_support;
uint32_t reg_val_offs;
struct amdgpu_irq_src ack_irq;