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drm/amdgpu: move WB_FREE to correct place 

WB_FREE should be put after all engines's hw_fini
done, otherwise the invalid wptr/rptr_addr would still
be used by engines which trigger abnormal bugs.

This fixes couple DMAR reading error in host side for SRIOV
after guest kmd is unloaded.

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
hifive-unleashed-5.1
Monk Liu 2018-01-24 12:20:32 +08:00 committed by Alex Deucher
parent ed9324afc0
commit c12aba3acd
1 changed files with 7 additions and 5 deletions
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12
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@ -1459,11 +1459,6 @@ static int amdgpu_device_ip_fini(struct amdgpu_device *adev)
for (i = adev->num_ip_blocks - 1; i >= 0; i--) {
if (!adev->ip_blocks[i].status.hw)
continue;
if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) {
amdgpu_free_static_csa(adev);
amdgpu_device_wb_fini(adev);
amdgpu_device_vram_scratch_fini(adev);
}
if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD &&
adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE) {
@ -1493,6 +1488,13 @@ static int amdgpu_device_ip_fini(struct amdgpu_device *adev)
for (i = adev->num_ip_blocks - 1; i >= 0; i--) {
if (!adev->ip_blocks[i].status.sw)
continue;
if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) {
amdgpu_free_static_csa(adev);
amdgpu_device_wb_fini(adev);
amdgpu_device_vram_scratch_fini(adev);
}
r = adev->ip_blocks[i].version->funcs->sw_fini((void *)adev);
/* XXX handle errors */
if (r) {