[Bug 93826] 2560x1440 @144Hz graphic glitches and bad refresh rate

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93826

--- Comment #69 from withoutaface <mkyahoooo at web.de> ---
(In reply to iuno from comment #59)

> 
> @withoutaface: You have to rebuild your kernel. ...

I rebuild my kernel 4.10.0-22 (ubuntu 17.04) and patched radeon driver 
(atombios_crtc.c)
void radeon_atom_disp_eng_pll_init(struct radeon_device *rdev)
{
        /* always set DCPLL */
rdev->clock.default_dispclk = 62500;
        if (ASIC_IS_DCE6(rdev))
...

144Hz is working fine with this patch. 
(Forcing dpm state high = perfect image / low or auto = bad flickering) 
But Great improvement so far! Thank you.

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