HDMI Display issue in iMX6DP

charleshuang — Thu, 06 Oct 2022 03:09:01 GMT

Hi NXP Team

Our platform is follow IMX6DP demoboad.

In HDMI, our panel will be show noise signal. (Picture)

The log message in dmesg&fbi.txt

Do you have any idea to fixed the display issue?

About ipu log

root@imx6q-dms-ba16:~# dmesg | grep ipu
imx-ipuv3 2400000.ipu: IPU DMFC NORMAL mode: 1(0~1), 5B(4,5), 5F(6,7)
imx-ipuv3 2800000.ipu: IPU DMFC NORMAL mode: 1(0~1), 5B(4,5), 5F(6,7)
imx-ipuv3 2400000.ipu: IPU DMFC DP HIGH RESOLUTION: 1(0,1), 5B(2~5), 5F(6,7)
root@imx6q-dms-ba16:~# dmesg | grep pre
L2C-310 ID prefetch enabled, offset 16 lines
DMA: preallocated 256 KiB pool for atomic coherent allocations
imx-pre 21c8000.pre: driver probed
imx-pre 21c9000.pre: driver probed
imx-pre 21ca000.pre: driver probed
imx-pre 21cb000.pre: driver probed
pci 0000:00:00.0: reg 0x38: [mem 0x00000000-0x0000ffff pref]
pci 0000:01:00.0: reg 0x30: [mem 0x00000000-0x000fffff pref]
pci 0000:00:00.0: BAR 9: assigned [mem 0x01300000-0x013fffff pref]
pci 0000:00:00.0: BAR 6: assigned [mem 0x01400000-0x0140ffff pref]
pci 0000:01:00.0: BAR 6: assigned [mem 0x01300000-0x013fffff pref]
pci 0000:00:00.0: bridge window [mem 0x01300000-0x013fffff pref]
imx-pre 21c8000.pre: timeout waiting for PRE to run out of problematic window for shadow update
imx-pre 21c8000.pre: timeout waiting for PRE to run out of problematic window for shadow update
imx-pre 21c8000.pre: timeout waiting for PRE to run out of problematic window for shadow update

topic HDMI Display issue in iMX6DP in i.MX Processors

HDMI Display issue in iMX6DP