The proper fix would be to check first if your GPU is stable at the maximum core clock, then remove your GPU's ID from the list like in this patch, and submit your patch to the mailing list for it to be merged upstream. After applying the changes in Afterburner, GPU-Z should show the default active clock and the newly-applied overclock in the Default Clock and GPU Clock fields, respectively. Check GPU-Z to make sure that your GPU is using the new core clock value. This number will mainly affect how fast your graphics are displayed on screen, so it’s important to make sure that this is as high a speed as possible for optimum performance. Bump up the core clock by 10-20MHz, then press the Apply button. Warning: Do this only if you know what you are doing, because you might break your OS, or even damage your hardware.Īnother Warning: You should set max_sclk to the clock frequency set by your machine's OEM or lower, unless you know what you are doing. The GPU Memory Clock Speed is the speed at which the graphics card can read and write data from its memory. However, it includes rebuilding the whole Linux kernel and installing it, which if not done properly, it can cause the OS to break and maybe not even boot up.Īlso it takes a lot of time, as it took almost an hour to compile on my machine, so it is not an ideal solution. I was able to achieve that with the help of this tutorial:Īfter downloading the Linux kernel source, I modified line 2985 of /linux-4.13.0/drivers/gpu/drm/radeon/si_dpm.c from max_sclk = 75000 to max_sclk = 103000, then rebuilt, installed the modified kernel, and rebooted my machine.
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