On 1/28/20 10:11 AM, Patrick Delaunay wrote: > From: Antonio Borneo <antonio.bor...@st.com> > > LTDC modifies the clock frequency to adapt it to the display. Such > frequency change is not detected by the FDCAN driver that instead > cache the value at probe and pretend to use it later. > > Keep the LTDC alone on PLL4_Q by moving the FDCAN to PLL4_R.
Now this looks like a grisly workaround. Can you fix the LTDC driver to do something sane on boards which didn't update bootloader yet ?