> > Which processor are you using? For 2430 case it can be 0xFF and 0xC0, > for 3430 the FIFO size extends to 0x3FF and 0x3C0 (default values). > > > > What is the make of LCD? Have we used this before on any OMAP boards? > > > > What is the DDR frequency? > > > > Regards, > > Khasim > > > > I am using 2430 custom board. > > Yes my lcd works fine in QVGA resolution > > DDR is at 110Mhz(L3 clock) > > The interesting thing is that IRQ error messages increases with the > pixel clock ie, only lower pixel clocks( 5Mhz ,6 Mhz etc) are seems to > be stable on my board. > > > I have seen issues in using 640x480 resolution for TVOUT on 2430 processor, Generally it is adviced to use VRFB in rotation 0 mode to get good DDR bandwidth. This helps in overcoming the flicker due to bandwidth issues. You can refer to TI's code for DDR usage. But the issue is it uses consistent memory of size (2048 * bpp * height). Regards, Khasim -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
