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VM3 dgpu passthrough, after probe ivshm, gralloc will deem it as QNX case. Check if the first render node is dGPU and first virtiogpu is ivshm, it is dgpu + ivshm case. The GPU scenario and the drv_kms_ value: 1. iGPU VF + virtio-pci w blob (SRIOV): kms=render 2. iGPU VF + virtio-pci wo blob (redhat): kms(virtio-pci) 3. iGPU VF + virtio-ivshm (QNX): kms(ivshm) 4. iGPU VF + virtio-pci + dGPU (dual gpu): like case 1 5. dGPU passthrough +probe ivshm: ivhm = kms; kms = render 6. dGPU VF + virtio-pci: like case 1 7. iGPU/dGPU BM: kms=render Tracked-On: OAM-124710 Signed-off-by: He, Yue <yue.he@intel.com>
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