more than one driver installed, which is active?

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Server HP DL360e Gen8 with RHEL 6.5

Hello

This is a common question for me, I just want to know if it is working or it is dangerous.
When I get a new driver from the HP site, I just used to install it like that : rpm -ivh ******.rpm
In my case, I can see with the option -qa and -qi both versions of the same driver.

How can I find out which driver version is active now for that hardware?
Shall I uninstall first the older driver before installing the newest?

[root@123456 ~]# rpm -qa kmod-hpvsa
kmod-hpvsa-1.2.6-26.rhel6u3.x86_64
kmod-hpvsa-1.2.8-160.rhel6u5.x86_64
[root@123456 ~]# rpm -qi kmod-hpvsa
Name : kmod-hpvsa Relocations: (not relocatable)
Version : 1.2.6 Vendor: Hewlett-Packard Company
Release : 26.rhel6u3 Build Date: Die 16 Jul 2013 21:16:28 CEST
Install Date: Mit 05 Mär 2014 17:51:35 CET Build Host: rhel6u3e-s1.ldev.net
Group : System Environment/Kernel Source RPM: hpvsa-1.2.6-26.rhel6u3.src.rpm
Size : 2770371 License: HP
Signature : (none)
Packager : Hewlett-Packard Company
URL : http://www.hp.com/go/proliantlinux
Summary : hpvsa kernel module(s) for rhel6u3 x86_64 (d877/s869/r8238)
Description :
This package provides the hpvsa kernel modules built for
the Linux kernel 2.6.32-279.el6.x86_64 for the x86_64
family of processors.
Name : kmod-hpvsa Relocations: (not relocatable)
Version : 1.2.8 Vendor: Hewlett-Packard Company
Release : 160.rhel6u5 Build Date: Sam 15 Feb 2014 00:02:33 CET
Install Date: Fre 23 Mai 2014 11:54:50 CEST Build Host: rhel6u5e-s1.ldev.net
Group : System Environment/Kernel Source RPM: hpvsa-1.2.8-160.rhel6u5.src.rpm
Size : 2807939 License: HP
Signature : (none)
Packager : Hewlett-Packard Company
URL : http://www.hp.com/go/proliantlinux
Summary : hpvsa kernel module(s) for rhel6u5 x86_64 (d971/s1020/r10377)
Description :
This package provides the hpvsa kernel modules built for
the Linux kernel 2.6.32-431.el6.x86_64 for the x86_64
family of processors.

HP proprietary driver, source code not available.

Thanks

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