Custom Resolution Utility (CRU)
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02-26-2014, 12:29 PM
Post: #750
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RE: Custom Resolution Utility (CRU)
(02-26-2014 03:12 AM)ToastyX Wrote:(02-25-2014 10:36 PM)uhufreak Wrote: If one uses the "automatic LCD reduced" timing with the new 14.1 or 14.2 beta drivers, the screen will start to flicker randomly. It's not unplayable but it is very annoying. I found out that the only thing I had to do was to set the timing to manual and everything worked again.Something probably changed in the driver that causes problems if the vertical blanking is too low. What's the lowest vertical total where the problem doesn't appear? I was not able to reproduce the issue with manual timings. Even with the lowest possible values of H. Black porch: 8 H. Blanking: 88 H. Total: 2648 V. Black porch: 1 V. Blanking: 9 V. Total: 1449 H: + V: - (Pixel Clock: 425.91 MHz) applied, the issue still did not appear. Standard: H. Black porch: 80 H. Blanking: 160 H. Total: 2720 V. Black porch: 33 V. Blanking: 41 V. Total: 1481 @ 2560x1440 QNIX QX2710 all testing done at 111Hz. It seems like it's an issue with the LCD reduced option (did not test LCD standard and CRT standard) |
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