Hi
We have a 8-bit parallel bus LCD connected to EIM_A21 (DATA16) to EIM_D27(DATA23). The data to to be sent should be RGB565 but in a 8-bit in two clock clock cycles fashion. I know we should change the microcodes found in ipu_disp.c but I have no clue as of how to do this. We are using Linux 3.14.52.
I tried adding RGB565 to the same if statements for YUYV and added some changes to the _ipu_init_dc_mappings function. but it still does not give me two clock cycles per pixel.
Can someone please help.
Hi Reul
number of IPU clock cycles was available for programming in early IPU
versions, for example in i.MX31 IPU DI Display Access Cycles Count Register (DI_DISP_ACC_CC).
Below example of such microcodes programming
https://community.nxp.com/message/294603#294603
Usually such kind of support can be provided with
Best regards
igor