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Bug#911133: Graphical installer

On Thu, 2018-10-18 at 23:43 -0700, Vagrant Cascadian wrote:
> On 2018-10-18, Ben Hutchings wrote:
> > On Thu, 2018-10-18 at 19:48 +0200, Marcin Juszkiewicz wrote:
> > For current AMD chips the only native driver is amdgpu; for older chips
> > it's radeon.  Both of them will need some firmware just to light up the
> > display.
> > 
> > > - nouveau
> There is a tegra laptop that uses nouveau, though I think it was armhf,
> not arm64 (not sure if this bug is specifically about arm64).

On Tegra chips, nouveau seems to be used for rendering only.  The
display controller is driven by tegra-drm, which we already include in
the installer (for both arm64 and armhf).

> There are at least two arm64 laptops, but as far as I know they both
> currently just support simplefb, though I'm not sure what needs to
> change in debian-installer to support them; just tried the pinebook
> earlier today without much luck getting d-i running on the tty displayed
> on the LCD.

Can you check whether u-boot is updating the simple-framebuffer device
tree node?  There should be a
/proc/device-tree/chosen/framebuffer@<address> directory containing
status, width, height, etc.  That would help to isolate the problem to
either u-boot or the kernel.


Ben Hutchings
If at first you don't succeed, you're doing about average.

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