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AMD/ATI Pixel Clock Patcher
02-26-2019, 08:17 PM
Post: #911
RE: AMD/ATI Pixel Clock Patcher
(02-24-2019 05:12 PM)ToastyX Wrote:  
(02-23-2019 05:57 PM)D1stRU3T0R Wrote:  I have an FX9830P and RX550 laptop (Acer Nitro 5 AN515-41), and I get alot of BSODS with this error. I tried this patch, but didn't seemed to help. Using latest driver for my CPU IGPU, 19.1.1. (clean flash, latest bios, windows etc)
With what error?

atikmdag.sys + 6b388
dxgkrnl.sys + 3a790
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02-26-2019, 10:35 PM
Post: #912
RE: AMD/ATI Pixel Clock Patcher
(02-26-2019 08:17 PM)D1stRU3T0R Wrote:  atikmdag.sys + 6b388
dxgkrnl.sys + 3a790
That's AMD's graphics driver. The patch isn't for fixing errors. It's to get around certain driver limitations. Frequent driver crashes usually indicate a hardware problem.
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02-27-2019, 11:08 AM
Post: #913
RE: AMD/ATI Pixel Clock Patcher
(02-26-2019 10:35 PM)ToastyX Wrote:  
(02-26-2019 08:17 PM)D1stRU3T0R Wrote:  atikmdag.sys + 6b388
dxgkrnl.sys + 3a790
That's AMD's graphics driver. The patch isn't for fixing errors. It's to get around certain driver limitations. Frequent driver crashes usually indicate a hardware problem.

It's only happening when I OC the dedicated GPU (unnoficial way, extend official overclock limit from MSI afterburner enable wattman for overclock)
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02-27-2019, 02:41 PM
Post: #914
RE: AMD/ATI Pixel Clock Patcher
(02-27-2019 11:08 AM)D1stRU3T0R Wrote:  It's only happening when I OC the dedicated GPU (unnoficial way, extend official overclock limit from MSI afterburner enable wattman for overclock)
Then don't overclock the GPU. Clearly the GPU can't handle it.
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03-03-2019, 02:06 AM (This post was last modified: 03-03-2019 02:20 AM by ssateneth.)
Post: #915
RE: AMD/ATI Pixel Clock Patcher
Can you think of a reason why an nvidia card can drive my LCD panel to 120Hz 1080p and still have integrated panel sound speakers work on both HDMI and displayport, but AMD cards can only do at most 95hz with sound, or 100hz without sound (CVT reduced blanking) on both HDMI and displayport? Is this an issue with driver limitation or some other issue? The issue seems consistent between many makes of AMD cards (280X, 380X, RX480)

This is given identical hardware (PC, monitor, cables, OS, software, etc). Only difference is the video card and associated driver.
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03-03-2019, 02:26 AM
Post: #916
RE: AMD/ATI Pixel Clock Patcher
(03-03-2019 02:06 AM)ssateneth Wrote:  Can you think of a reason why an nvidia card can drive my LCD panel to 120Hz 1080p and still have integrated panel sound speakers work on both HDMI and displayport, but AMD cards can only do at most 95hz with sound, or 100hz without sound (CVT reduced blanking)? Is this an issue with driver limitation or some other issue? The issue seems consistent between many makes of AMD cards (280X, 380X, RX480)
HDMI transmits audio during the blanking periods, so use "LCD native" timing, or add 1920x1080 @ 100/120 Hz in a TV resolutions data block in the extension block to make sure it has enough blanking for the audio. DisplayPort audio is transmitted separately, so the resolution shouldn't matter as long as there is enough bandwidth remaining.
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