I ran the codesudo lshw -c display to get the model of my graphics card that I am using. It showed Whistler 6600M series along with my Intel HD Graphics. I have switchable graphics. But my graphics card is HD 6750M. Why would it be shown differently and how to rectify this?
Output of lspci -nnk | grepVGA -A1:
00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd
Generation Core Processor Family Integrated Graphics Controller
[8086:0116] (rev 09) Subsystem: Hewlett-Packard Company Device
[103c:1646]
01:00.0 VGA compatible controller [0300]: Advanced Micro Devices [AMD]
nee ATI Whistler [AMD Radeon HD 6600M Series] [1002:6741] (rev ff)
Kernel driver in use: radeon
The devices are named after what they are in the PCI ID database. Look at the database entry for this device.
On 2013-03-16 it was updated from Whistler [AMD Radeon HD 6600M Series] to Whistler [Radeon HD 6600M/6700M Series] and there have been a ton of updates since.
On my computer it shows Whistler [Radeon HD 6600M/6700M/7600M Series].
Why is this? Well if you look at your /usr/share/hwdata/pci.ids file, you'll see when it was last updated. Why is yours old? Because you're using an older version of Ubuntu, probably. I doubt they'd backport an insignificant package like hwdata. Here's my version for your reference.
$ apt-cache policy hwdata
hwdata:
Installed: 0.234-1
Candidate: 0.234-1
Version table:
*** 0.234-1 0
500 http://archive.ubuntu.com/ubuntu/ raring/main amd64 Packages
100 /var/lib/dpkg/status
What I should really underline is this doesn't matter even a tiny little bit. Hardware lookups should only be being done on the ID (the [1002:6741]) so there's really nothing to worry about. It's just calling it the wrong name.
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