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drm/amdgpu: validate wait_for_idle before function call

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Before making a function call to wait_for_idle,
validate the function pointer like we do in sw_init.

Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Sunil Khatri
2024-10-09 18:44:52 +05:30
committed by Alex Deucher
parent 502d76308d
commit 780002b654
1 changed files with 6 additions and 3 deletions
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9
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@@ -2240,9 +2240,12 @@ int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
if (!adev->ip_blocks[i].status.valid)
continue;
if (adev->ip_blocks[i].version->type == block_type) {
r = adev->ip_blocks[i].version->funcs->wait_for_idle(&adev->ip_blocks[i]);
if (r)
return r;
if (adev->ip_blocks[i].version->funcs->wait_for_idle) {
r = adev->ip_blocks[i].version->funcs->wait_for_idle(
&adev->ip_blocks[i]);
if (r)
return r;
}
break;
}
}