$ sudo lshw -C video
*-display
description: VGA compatible controller
product: 4th Gen Core Processor Integrated Graphics Controller
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 06
width: 64 bits
clock: 33MHz
capabilities: msi pm vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: irq:48 memory:f5800000-f5bfffff memory:d0000000-dfffffff
ioport:f000(size=64)
I also have a dedicated GPU (I can't get lshw section for it for some reason),
used with the opensource driver:
VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Mars XTX
[Radeon HD 8790M]
$ uname -a
Linux peci1-Latitude-E6540 3.13.0-65-generic #105-Ubuntu SMP Mon Sep 21
18:50:58 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
This issue didn't happen when I used the fglrx driver for the ATI card.
However, using that driver, I had another problem, so I switched to the
opensource one.
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https://bugs.launchpad.net/bugs/1314059
Title:
Laptop builtin display is black after wakeup, "could not set the
configuration for CRTC 79"
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