minigbm: fix uninitialized variable error

To fix the maybe uninitialized error we assign plane_type a starting
The number zero corresponds to DRM_PLANE_TYPE_OVERLAY, so instead we
initialize plane_type to UINT64_MAX.

Bug: chromium:968030
Change-Id: I4fe119c1491926227151742041a73207971f56f0
Commit-Ready: ChromeOS CL Exonerator Bot <>
Tested-by: St├ęphane Marchesin <>
Legacy-Commit-Queue: Commit Bot <>
Reviewed-by: Gurchetan Singh <>
1 file changed