BSOD'd on PVZ Garden Warfare.

I was playing PVZ Garden Warfare, and decided to quit the game in the lobby, My PC froze for less than a second then bluescreened with the error: BAD_POOL_CALLER. Can anyone help? I read the minidumps on WhoCrashed and here's what they said:

On Sun 29/06/2014 09:29:05 GMT your computer crashed
crash dump file: C:\WINDOWS\Minidump\062914-25937-01.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0x153FA0)
Bugcheck code: 0xC2 (0x7, 0x1200, 0x5030401, 0xFFFFC0018263BD00)
Error: BAD_POOL_CALLER
file path: C:\WINDOWS\system32\ntoskrnl.exe
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: NT Kernel & System
Bug check description: This indicates that the current thread is making a bad pool request.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
The crash took place in the Windows kernel. Possibly this problem is caused by another driver that cannot be identified at this time.



On Sun 29/06/2014 09:29:05 GMT your computer crashed
crash dump file: C:\WINDOWS\memory.dmp
This was probably caused by the following module: atikmdag.sys (atikmdag+0xB62FA)
Bugcheck code: 0xC2 (0x7, 0x1200, 0x5030401, 0xFFFFC0018263BD00)
Error: BAD_POOL_CALLER
file path: C:\WINDOWS\system32\drivers\atikmdag.sys
product: ATI Radeon Family
company: Advanced Micro Devices, Inc.
description: ATI Radeon Kernel Mode Driver
Bug check description: This indicates that the current thread is making a bad pool request.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
A third party driver was identified as the probable root cause of this system error. It is suggested you look for an update for the following driver: atikmdag.sys (ATI Radeon Kernel Mode Driver, Advanced Micro Devices, Inc.).
Google query: Advanced Micro Devices, Inc. BAD_POOL_CALLER