drm/amdgpu: check mmhub_funcs pointer before refering to it

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mmhub callback functions are not initialized for all the ASICs

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Hawking Zhang 2019-08-31 13:18:40 +08:00 • committed by Alex Deucher

parent 17da41bf00

commit 4ce71be67b

1 changed files with 1 additions and 1 deletions

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drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c

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