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drm/amdgpu: disable the IP module if early_init returns -ENOENT (v2)

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If we run into a part with a harvest configuration where the entire
IP block is unusable, just disable the IP block.

v2: fix logic as noted by Christian

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2015-07-10 13:59:44 -04:00
parent 5c2327beed
commit 974e6b641f
1 changed files with 7 additions and 2 deletions
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9
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@ -1207,10 +1207,15 @@ static int amdgpu_early_init(struct amdgpu_device *adev)
} else {
if (adev->ip_blocks[i].funcs->early_init) {
r = adev->ip_blocks[i].funcs->early_init((void *)adev);
if (r)
if (r == -ENOENT)
adev->ip_block_enabled[i] = false;
else if (r)
return r;
else
adev->ip_block_enabled[i] = true;
} else {
adev->ip_block_enabled[i] = true;
}
adev->ip_block_enabled[i] = true;
}
}