Re: PxA27x Display Driver 24BPP support


What exactly LAN is it?


Anurag wrote:
Thankyou for the reply!!!!

Actually the same driver is working fine when we convert 16bpp to 18bpp . The LCD controller has been configured as 18 bpp. The clocks at the LCD controller level seem to fine fine. I tried changing the pixel clock frequency from 13 to 26 mhz it did not help.

Is it possible that i am missing something at the Gwes side when i set 32BPP depth ????

Other peripherals used extensively are Lan, Touch.

Regards,
Anurag

"voidcoder" wrote:

Double check the timings, clocks etc. Also are
there any other peripherals intensively used?
While this may look not related, but what else
do you have on the board?


Anurag wrote:
Hello Voidcoder,

Thankyou for the reply and yes also for forwarding the link.
I have chosen conversion from 32bpp to 18bpp. The conversion seems to have happen well, the desktop can be seen however i see a lot of flickers on the LCD.
I am using TFT QVGA Display.
320 * 240
32 BPP.

Could you help me sort out the issue.

Regards,
Ann



"voidcoder" wrote:

You may want to check the following post by
Mike Calligaro before to start:

http://blogs.msdn.com/windowsmobile/archive/2005/09/07/462187.aspx

My own opinion is that any solution to get 18bpp
mode working on PXA (except of supported by the LCD
controller 8-to-18bpp hardware color lookup)
will lead to a good performance lost...


Anurag wrote:
Hello Everybody,

We are using the available LQ057Q3DC02 Display Driver(WINCE500\PUBLIC\COMMON\OAK\CSP\ARM\INTEL\PXA27X\DISPLAY\PXA27X_LCD).

The driver implementations are for 16 bpp and has no support for 24 BPP i.e., the Gwes supports 24 Bpp support but the existing Driver does not have support for the same.

Our hardware supports 18BPP and we plan to convert the 24bpp to 18bpp.

Could someone guide us how to incorporate the 24 BPP support in the existing display driver.


Thankyou,
Ann

.

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