Re: [PATCH 13/21] drm: mxsfb: Don't touch AXI clock in IRQ context

2020-03-23 Thread Stefan Agner
On 2020-03-09 20:52, Laurent Pinchart wrote: > The driver attempts agressive power management by enabling and disabling > the AXI clock around register accesses. This results in attempts to > enable and disable the clock in the IRQ handler, which is a no-go as > preparing or unpreparing the clock m

[PATCH 13/21] drm: mxsfb: Don't touch AXI clock in IRQ context

2020-03-09 Thread Laurent Pinchart
The driver attempts agressive power management by enabling and disabling the AXI clock around register accesses. This results in attempts to enable and disable the clock in the IRQ handler, which is a no-go as preparing or unpreparing the clock may sleep. On the other hand, the driver enables the