On Wed, Jun 1, 2022 at 4:03 AM Peter Robinson <pbrobinson@xxxxxxxxx> wrote:
Runtime PM doesn't seem to work correctly on this driver. On top of
that, commit 8b6864e3e138 ("drm/v3d/v3d_drv: Remove unused static
variable 'v3d_v3d_pm_ops'") hints that it most likely never did as the
driver's PM ops were not hooked-up.
So, in order to support regular operation with V3D on BCM2711 (Raspberry
Pi 4), get rid of the PM code. PM will be reinstated once we figure out
the underlying issues.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@xxxxxxx>
Signed-off-by: Peter Robinson <pbrobinson@xxxxxxxxx>
If I remember right, I had runtime PM working on non-2711 hardware. I never managed to get anyone to help with why 2711's power-on would fail, and rpi just cranked the clock down as low as it would go as the power management solution downstream.
I'm not sure what the right thing to do is, given all that. Just some context.
