Re: [U-Boot] [PATCH] video: ipu_disp: Fix clock polarity logic

Thanks Fabio,

On 10/29/2013 10:46 AM, Fabio Estevam wrote:

Currently the HDMI splash screen image quality on mx6solo does not show a very stable image.

By comparing the IPU driver from U-boot with the one from FSL 4.1.0 BSP, we can see that there is an inverted logic for setting the DI_GEN_POL_CLK bit.

From FSL BSP [1] we have:

if (!sig.clk_pol) di_gen |= DI_GEN_POLARITY_DISP_CLK;

Applying the same logic into U-boot fixes the HDMI image stability.

It's odd that this doesn't appear to change things for the i.MX6DQ, but it works on either one, so

Tested-by: Eric Nelson eric.nelson@boundarydevices.com Acked-by: Eric Nelson eric.nelson@boundarydevices.com