On Mon, Oct 28, 2024 at 06:08:15AM +0000, Jason-JH Lin (林睿祥) wrote: > On Mon, 2024-10-28 at 06:38 +0100, Greg KH wrote: > > External email : Please do not click links or open attachments until > > you have verified the sender or the content. > > > > > > On Thu, Oct 24, 2024 at 06:30:01PM +0800, Jason-JH.Lin via B4 Relay > > wrote: > > > From: "Jason-JH.Lin" <jason-jh.lin@xxxxxxxxxxxx> > > > > > > This reverts commit ac88a1f41f93499df6f50fd18ea835e6ff4f3200. > > > > > > Reason for revert: > > > 1. The commit [1] does not land on linux-5.15, so this patch does > > > not > > > fix anything. > > > > > > 2. Since the fw_device improvements series [2] does not land on > > > linux-5.15, using device_set_fwnode() causes the panel to flash > > > during > > > bootup. > > > > > > Incorrect link management may lead to incorrect device > > > initialization, > > > affecting firmware node links and consumer relationships. > > > The fwnode setting of panel to the DSI device would cause a DSI > > > initialization error without series[2], so this patch was reverted > > > to > > > avoid using the incomplete fw_devlink functionality. > > > > > > [1] commit 3fb16866b51d ("driver core: fw_devlink: Make cycle > > > detection more robust") > > > [2] Link: > > > https://lore.kernel.org/all/20230207014207.1678715-1-saravanak@xxxxxxxxxx > > > > > > Cc: stable@xxxxxxxxxxxxxxx # 5.15.169 > > > > What about 5.10.y and 5.4.y as well? Aren't those also affected? > > Oh, Yes. > > I'll send v3 for these versions as well. Thank you. > BTW, how can I know what other branches should I revert the patch as > well? Just in case I missed it in another branch. You can look at all the branches to verify if it has been applied or not. There are some tools that do this for you, I use the one I created that can be found at: https://git.sr.ht/~gregkh/linux-stable_commit_tree thanks, greg k-h