I have AMD RADEON graphics in my laptop. As I was using windows 10, I had inbuilt as well as third party softwares for switching between intel and Amd graphics for different applications/games. Is there similar software available for Ubuntu? Even Amd website is not giving proper software for switching for Ubuntu as it was giving Crismon tool on windows.
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All you have to do is add DRI_PRIME=1 before the command of whatever you want to run using your dedicated Radeon GPU, so for example you can run Steam using DRI_PRIME=1 steam, and all of you games should use the Dedicated GPU.
If that does not work, then you might need to install switcheroo-control (I had to do that too) using sudo apt install switcheroo-control. This will also add an option to run using dedicated GPU from the right-click drop down menu in GNOME, so for example you can choose the dedicated GPU for Steam from the application menu > right-click Steam > "Launch using Dedicated Graphics Card":
If your steam games still use the integrated GPU after all of that (which they shouldn't), then you might need to enter DRI_PRIME=1 %command% to each game in their Launch Options. More on that here.
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I don't understand your answer. I'm on Ubuntu 18.04.4 LTS on a HP G72 w/ Intel/Radeon (HD 5430/5450/5470) setup. First, what do you mean by
DRI_PRIME=1? Do you mean it must be added to the command line ? For instancefirefox DRI_PRIME=1? Then, I tried to useswitcheroo-control, but to no avail. I installed it withapt, but nothing changed, no added option in favorite dock (right-side of the screen application icons). Do I need to reboot, change some config file, or anything else ? Thanks for any hint ^-^ – Mutos Jul 12 '20 at 15:14 -
1The command need to be prefixed by
DRI_PRIME=1!!!! For instance, if you want to runglxgearswith the dedicated graphics (AMD or NVidia depending on the machine) instead of the integrated one (usually Intel), type :DRI_PRIME=1 glxgears– Mutos Jul 12 '20 at 15:55 -
1Thanks Tooniis for this answer, I've been trying to use my dGPU for months to no avail and now it works ! However, it took me nearly one hour to figure that DRI_PRIME was a kind of directive to be typed before the command ^-^ – Mutos Jul 12 '20 at 16:02
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@Mutos the example I provided is clear isn't it? Anyway, I edited the answer to make it clearer. – Tooniis Jul 15 '20 at 11:13
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1Hi Tooniis, now it's very clear with the screenshot ^-^ I now have got the "Launch using dedicated graphics card" item on the menus, for instance freeCAD. And of course, I can launch with DRI_PRIME=1 the most important app, that is, the game I'm TCing ^-^ – Mutos Jul 19 '20 at 15:03
