AnsweredAssumed Answered

display_data lost on IMX53?

Question asked by Wouter Vanhauwaert on Feb 15, 2013
Latest reply on Feb 27, 2013 by Wouter Vanhauwaert
Branched to a new discussion

We are outputting as RGB24 on the displayport.

However, we see that some LSB's gets lost (actually, not really lost, but getting replaced some of the MSB's)

With walking 1's, it looks like (measured with the scope)

I'm using the linux 2.6.35 kernel from release 9.11 (git). Anyone has any clue?

 

R:

bit0 : 0x20 -> should be 0x01

bit1: 0x40 -> should be 0x02

bit2: 0x80 -> should be 0x04

bit3: 0x08

bit4: 0x10

bit5: 0x20

bit6: 0x40

bit7: 0x80

 

G:

bit0 : 0x40-> should be 0x01

bit1: 0x80 -> should be 0x02

bit2: 0x04

bit3: 0x08

bit4: 0x10

bit5: 0x20

bit6: 0x40

bit7: 0x80

 

B:

bit0 : 0x20 -> should be 0x01

bit1: 0x40 -> should be 0x02

bit2: 0x80 -> should be 0x04

bit3: 0x08

bit4: 0x10

bit5: 0x20

bit6: 0x40

bit7: 0x80


Outcomes