How to discover what video card and video driver your laptop is using

$ lshw -c video
WARNING: you should run this program as super-user.
*-display UNCLAIMED
description: VGA compatible controller
product: GF108M [GeForce GT 630M]
vendor: NVIDIA Corporation
physical id: 0
bus info: pci@0000:01:00.0
version: a1
width: 64 bits
clock: 33MHz
capabilities: vga_controller bus_master cap_list
configuration: latency=0
resources: memory:f0000000-f0ffffff memory:c0000000-cfffffff memory:d0000000-d1ffffff ioport:3000(size=128) memory:f1000000-f107ffff
*-display
description: VGA compatible controller
product: 3rd Gen Core processor Graphics Controller
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 09
width: 64 bits
clock: 33MHz
capabilities: vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: irq:44 memory:f1400000-f17fffff memory:e0000000-efffffff ioport:4000(size=64)
WARNING: output may be incomplete or inaccurate, you should run this program as super-user.

$ lsmod | grep i915
i915 784116 3
drm_kms_helper 55071 1 i915
drm 303102 4 i915,drm_kms_helper
i2c_algo_bit 13413 1 i915
video 19476 1 i915

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