On Mon, Apr 11, 2022 at 3:27 AM Patrik Jakobsson <patrik.r.jakobsson@xxxxxxxxx> wrote: > > On Sun, Apr 10, 2022 at 10:05 PM James Hilliard > <james.hilliard1@xxxxxxxxx> wrote: > > > > On Sun, Apr 10, 2022 at 1:52 PM Patrik Jakobsson > > <patrik.r.jakobsson@xxxxxxxxx> wrote: > > > > > > On Sun, Apr 10, 2022 at 9:40 PM James Hilliard > > > <james.hilliard1@xxxxxxxxx> wrote: > > > > > > > > On Sun, Apr 10, 2022 at 1:36 PM Patrik Jakobsson > > > > <patrik.r.jakobsson@xxxxxxxxx> wrote: > > > > > > > > > > On Sat, Apr 9, 2022 at 6:23 AM James Hilliard <james.hilliard1@xxxxxxxxx> wrote: > > > > > > > > > > > > Select the efi framebuffer if efi is enabled. > > > > > > > > > > > > This appears to be needed for video output to function correctly. > > > > > > > > > > > > Signed-off-by: James Hilliard <james.hilliard1@xxxxxxxxx> > > > > > > > > > > Hi James, > > > > > EFI_FB is its own driver and not needed by gma500 to drive its > > > > > hardware. What makes you think it's required? > > > > > > > > I wasn't getting any HDMI video output without it enabled for some reason, > > > > I assume it is doing some sort of initialization needed by gma500 > > > > during startup. > > > > > > Then it sounds like you might just be using EFI_FB and not gma500. Can > > > you provide the kernel log with drm.debug=0x1f set on kernel > > > command-line. > > > > Seems efifb loads first and then hands off to gma500 > > That is how it normally works but efifb shouldn't change the state of > the currently set mode so shouldn't affect gma500. > From the logs I can see that you have LVDS (internal panel), HDMI and > DP (3 displays in total) connected. This sounds wrong. Your version of > gma500 (Cedarview) doesn't support more than 2 crtcs/pipes. This might > be a problem. Yeah, there's a bug there with the connector status, only DVI-D-1 is actually connected, I have DP-2 and LVDS-1 turned off in weston.