[AMD Official Use Only - AMD Internal Distribution Only]
Hi Greg and Kevin,
Sorry for inconvenience, but this one should be reverted by another backport patch: "drm/amd/display: Solve mst monitors blank out problem after resume"
Thanks, Wayne Lin
-----Original Message----- From: Greg Kroah-Hartman gregkh@linuxfoundation.org Sent: Tuesday, August 13, 2024 10:21 PM To: Kevin Holm kevin@holm.dev Cc: stable@vger.kernel.org; patches@lists.linux.dev; Limonciello, Mario Mario.Limonciello@amd.com; Deucher, Alexander Alexander.Deucher@amd.com; Wu, Hersen hersenxs.wu@amd.com; Lin, Wayne Wayne.Lin@amd.com; Wheeler, Daniel Daniel.Wheeler@amd.com Subject: Re: [PATCH 6.10 257/263] drm/amd/display: Defer handling mst up request in resume
On Tue, Aug 13, 2024 at 02:56:18PM +0200, Kevin Holm wrote:
On 8/12/24 18:04, Greg Kroah-Hartman wrote:
6.10-stable review patch. If anyone has any objections, please let me
know.
This patch seems to cause problems with my external screens not getting a signal after my laptop wakes up from sleep.
The problem occurs on my Lenovo P14s Gen 2 (type 21A0) connected to a lenovo usb-c dock (type 40AS) with two 4k display port screens connected. My Laptop screen wakes up normally, the two external displays are still detected by my system and shown in the kde system
settings, but they show no image.
The problem only occurs after putting my system to sleep, not on first boot.
I didn't do a full git bisect, I only tested the full rc and then a build a kernel with this patch reverted, reverting only this patch solved the
problem.
Is this also an issue in 6.11-rc3?
thanks,
greg k-h