[PATCH] ARM: dts: broadcom: rpi: Switch to V3D firmware clock

[Mark Brown]

On Tue, Oct 21, 2025 at 01:09:49PM +0100, Mark Brown wrote:
> On Sun, Oct 05, 2025 at 01:38:16PM +0200, Stefan Wahren wrote:
> > Until commit 919d6924ae9b ("clk: bcm: rpi: Turn firmware clock on/off
> > when preparing/unpreparing") the clk-raspberrypi driver wasn't able
> > to change the state of the V3D clock. Only the clk-bcm2835 was able
> > to do this before. After this commit both drivers were able to work
> > against each other, which could result in a system freeze. One step
> > to avoid this conflict is to switch all V3D consumer to the firmware
> > clock.

> I'm seeing the GPU start to fail probing on the Raspberry Pi 4 in
> today's pending-fixes:

> # # v3d fec00000.gpu: probe with driver v3d failed with error -110
> # not ok 1 +platform:fec00000.gpu 
> 
> which bisects to this commit.  I'm not sure if that's just a preexisting
> issue which is now being properly detected or if it's an actual issue,
> I'm not testing the GPU at all so I couldn't tell you if it was actually
> working.

This issue is now present in mainline.
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