Hi Fabio, On Sat, 25 Jan 2020 17:52:56 -0300 Fabio Estevam feste...@gmail.com wrote:
> Hi Anatolij, > > I noticed that after mxsfb has been converted to DM the > lcdif_power_down() function is no longer called. > > This causes issues in the kernel, where the Linux logo sometimes > appears in the incorrect position, for example. I see this issue on a > imx6ul-evk board. > > If I do the same steps of U-Boot lcdif_power_down() inside the mxsfb > driverl I can make the logo to always appear in the correct position, > but in order to avoid regressions when booting existing kernels I > think that lcdif_power_down() still needs to be called when DM_VIDEO > is selected. > > Not sure how to do this cleanly though. > > Any suggestions? We must use DM_FLAG_OS_PREPARE driver flag to tell DM to actually invoke the driver's remove() callback. It will run mxs_remove_common() then and this should fix the problem. I've just sent a patch. -- Anatolij
