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drm/amdgpu: fix sriov reinit late orders
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Use found block to call correct init/resume function on the block.
Set status.hw for resume and init.

Print re-init result again. Change to use dev_info.
Use amdgpu_device_ip_get_ip_block to get target block instead of
loop.

Fixes: 502d763 ("drm/amdgpu: validate resume before function call")
Signed-off-by: Yiqing Yao <YiQing.Yao@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Yiqing Yao authored and Alex Deucher committed Dec 2, 2024
1 parent 274e3f4 commit f3bb57b
Showing 1 changed file with 20 additions and 23 deletions.
43 changes: 20 additions & 23 deletions drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
Original file line number Diff line number Diff line change
Expand Up @@ -3670,9 +3670,11 @@ static int amdgpu_device_ip_reinit_early_sriov(struct amdgpu_device *adev)
continue;

r = block->version->funcs->hw_init(&adev->ip_blocks[i]);
DRM_INFO("RE-INIT-early: %s %s\n", block->version->funcs->name, r?"failed":"succeeded");
if (r)
if (r) {
dev_err(adev->dev, "RE-INIT-early: %s failed\n",
block->version->funcs->name);
return r;
}
block->status.hw = true;
}
}
Expand All @@ -3682,7 +3684,8 @@ static int amdgpu_device_ip_reinit_early_sriov(struct amdgpu_device *adev)

static int amdgpu_device_ip_reinit_late_sriov(struct amdgpu_device *adev)
{
int i, r;
struct amdgpu_ip_block *block;
int i, r = 0;

static enum amd_ip_block_type ip_order[] = {
AMD_IP_BLOCK_TYPE_SMC,
Expand All @@ -3697,34 +3700,28 @@ static int amdgpu_device_ip_reinit_late_sriov(struct amdgpu_device *adev)
};

for (i = 0; i < ARRAY_SIZE(ip_order); i++) {
int j;
struct amdgpu_ip_block *block;

for (j = 0; j < adev->num_ip_blocks; j++) {
block = &adev->ip_blocks[j];
block = amdgpu_device_ip_get_ip_block(adev, ip_order[i]);

if (block->version->type != ip_order[i] ||
!block->status.valid ||
block->status.hw)
continue;
if (!block)
continue;

if (block->status.valid && !block->status.hw) {
if (block->version->type == AMD_IP_BLOCK_TYPE_SMC) {
r = amdgpu_ip_block_resume(&adev->ip_blocks[i]);
if (r)
return r;
r = amdgpu_ip_block_resume(block);
} else {
r = block->version->funcs->hw_init(&adev->ip_blocks[i]);
if (r) {
DRM_ERROR("hw_init of IP block <%s> failed %d\n",
adev->ip_blocks[i].version->funcs->name, r);
return r;
}
block->status.hw = true;
r = block->version->funcs->hw_init(block);
}

if (r) {
dev_err(adev->dev, "RE-INIT-late: %s failed\n",
block->version->funcs->name);
break;
}
block->status.hw = true;
}
}

return 0;
return r;
}

/**
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