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. What machine is this? I've seen very few gma500 devices with UEFI. > > > > > -Patrik > > > > > --- > > > Changes v2 -> v3: > > > - select EFI_FB instead of depending on it > > > Changes v1 -> v2: > > > - use depends instead of select > > > --- > > > drivers/gpu/drm/gma500/Kconfig | 2 ++ > > > 1 file changed, 2 insertions(+) > > > > > > diff --git a/drivers/gpu/drm/gma500/Kconfig b/drivers/gpu/drm/gma500/Kconfig > > > index 0cff20265f97..a422fa84d53b 100644 > > > --- a/drivers/gpu/drm/gma500/Kconfig > > > +++ b/drivers/gpu/drm/gma500/Kconfig > > > @@ -2,11 +2,13 @@ > > > config DRM_GMA500 > > > tristate "Intel GMA500/600/3600/3650 KMS Framebuffer" > > > depends on DRM && PCI && X86 && MMU > > > + depends on FB > > > select DRM_KMS_HELPER > > > # GMA500 depends on ACPI_VIDEO when ACPI is enabled, just like i915 > > > select ACPI_VIDEO if ACPI > > > select BACKLIGHT_CLASS_DEVICE if ACPI > > > select INPUT if ACPI > > > + select FB_EFI if EFI > > > help > > > Say yes for an experimental 2D KMS framebuffer driver for the > > > Intel GMA500 (Poulsbo), Intel GMA600 (Moorestown/Oak Trail) and > > > -- > > > 2.25.1 > > >
