On 22-10-27, Marek Vasut wrote: > On 10/27/22 10:04, Marco Felsch wrote: > > Hi Marek, > > Hi, > > > On 22-10-26, Marek Vasut wrote: > > > On 7/26/22 11:43, Marco Felsch wrote: > > > > FIFO underruns are seen if a AXI bus master with a higher priority do a > > > > lot of memory access. Increase the burst size to 256B to avoid such > > > > underruns and to improve the memory access efficiency. > > > > > > > > Signed-off-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx> > > > > > > Uh, this fell through the cracks, sorry. > > > > > > Can you please collect my RB, add: > > > > > > Fixes: 9db35bb349a0 ("drm: lcdif: Add support for i.MX8MP LCDIF variant") > > > > > > and send V2 ? > > > > > > btw. the Panic mode seems to work on this IP with 4k displays and HDMI. > > > > Sounds interesting, how did you verified that? > > I plugged in a 4k panel into MX8MP HDMI port and saw this flicker, with the > panic regs programmed correctly, there is no more flicker, see the commit > messages of patch I posted yesterday for details, you were on CC: > > [PATCH] drm: lcdif: Set and enable FIFO Panic threshold Yes, this was later in my inbox.. sorry for the noise. Regards, Marco