<html><head></head><body><div class="ydp57befc24yahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;"><div id="ydp57befc24yiv0037817779"><div><div style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;" class="ydp57befc24yiv0037817779yahoo-style-wrap"><div dir="ltr">Hi,</div><div dir="ltr">I am getting some issues listed below when waking up from suspend on my laptop.</div><div dir="ltr"><br></div><div dir="ltr"><div>Issues:</div><div>1. After waking up from suspend in my laptop, anytime I open a game, the window is just blank. But it works after reboot or if I don't suspend the system.</div><div dir="ltr">2. The system takes almost 7-8 seconds to wake up in 5.14 or later but it's almost instant in 5.13 .</div><div dir="ltr" data-setdir="false">3. If the laptop is connected with AC and then suspended and woken up, there are no issues. This issue occurs if laptop is running on battery.<br></div><div dir="ltr"><br></div><div dir="ltr">No issues in Kernel 5.13.13 and the issues exist in 5.14 to 5.15.7 . So I bisected the bug with git(https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux).</div><div dir="ltr">first bad commit: [5a7b95fb993ec399c8a685552aa6a8fc995c40bd] i2c: core: support bus regulator controlling in adapter</div><div dir="ltr"><br></div><div dir="ltr" data-setdir="false">I have attached full journalctl output of starting the system, then suspend, then wake up and then running `DRI_PRIME=1 glxgears` (which make my monitor 1fps) and then shutdown. I have also attached lsmod and lspci output.<br></div><div dir="ltr"><br></div><div dir="ltr">Kernel version: Linux version 5.15.7-arch1-1 (linux@archlinux) (gcc (GCC) 11.1.0, GNU ld (GNU Binutils) 2.36.1) #1 SMP PREEMPT Wed, 08 Dec 2021 14:33:16 +0000</div><div dir="ltr"><br></div><div dir="ltr">Device Information:</div><div dir="ltr">Laptop model: Dell Inspiron 15 5567</div><div dir="ltr">GPU 0: Intel HD Graphics 620</div><div dir="ltr">GPU 1: AMD ATI Radeon R7 M445</div><div dir="ltr"><br></div><div dir="ltr">Regards,</div><div dir="ltr">Tareque Md Hanif.<br></div><div> <br></div></div></div></div></div></div></body></html>