Ubuntu 16.10 recentemente instalado no meu Lenovo Ideapad Y700, que inclui Intel HD Graphics e um dedicado AMD R9 M375. Em detalhes do sistema, ele lista apenas os gráficos da Intel, no entanto, quando executo lshw -c video , obtenho esse resultado:
*-display
description: Display controller
product: Venus XTX [Radeon HD 8890M / R9 M275X/M375X]
vendor: Advanced Micro Devices, Inc. [AMD/ATI]
physical id: 0
bus info: pci@0000:01:00.0
version: 81
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi bus_master cap_list rom
configuration: driver=radeon latency=0
resources: irq:128 memory:80000000-8fffffff memory:a1000000-a103ffff ioport:4000(size=256) memory:a1040000-a105ffff
*-display
description: VGA compatible controller
product: HD Graphics 530
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 06
width: 64 bits
clock: 33MHz
capabilities: pciexpress msi pm vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: irq:127 memory:a0000000-a0ffffff memory:90000000-9fffffff ioport:5000(size=64) memory:c0000-dffff
o que exatamente isso significa? Como faço para alternar entre os dois gpus?