On Thu, 2011-03-03 at 15:25 +0530, Raghuveer Murthy wrote: > OMAP4 has 2 LCD channels and corresponding DISPC_DIVISOR1 and DISPC_DIVISOR2 > registers to configure the pixel clock frequency, for the respective LCD > displays. > > There is also DISPC_DIVISOR register, which by default has the ENABLE bit > set to zero, for backward compatibility mode. Hence the logical clock divider of > DISPC_DIVISOR1.LCD, gets used for core func clk configuration. The default value > of DISPC_DIVISOR1.LCD is 4. > > If only the secondary LCD is enabled, at high pixel resolutions the core clk > lags behind the pixel clock, causing stair-step effect (diagonal lines with > tearing) on the display. > > Hence DISPC_DIVISOR.ENABLE is set to 1, and the core functional clock is set > independently and exclusively in DISPC_DIVISOR.LCD. I think this patch set is ok. However, it doesn't apply with the latest master branch from DSS tree, some quite trivial conflicts with dss features. Can you rebase and post it? Also, please send patches to my ti.com address, not iki.fi address. Tomi -- 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
