Hi Steve,
On Mon, Nov 3, 2014 at 8:41 PM, Steve Longerbeam
<steve_longerbeam@xxxxxxxxxx> wrote:
> Hi Fabio, which panel? The Hannstar or the 1024x600 Okaya 7"
> panel?
I am using the Hannstar.
>
> I have noticed wrong colors using the Okaya panel as well, and it
> is fixed by switching to "jeida" 24-bit interface in the DT (along with
> 1024x600 res and slightly different timings).
>
> I didn't change to jeida 24-bit for Hannstar in the DT because I am
> assuming 18-bit and "spwg" ordering is correct for Hannstar, but
> maybe I'm wrong. Try switching to jeida 24-bit to see if the colors
> are fixed. If so maybe we need to switch to jeida 24-bit for Hannstar
> as well.
I followed your suggestion and with the change below the Hannstar
display shows the correct colours:
--- a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
@@ -497,8 +497,8 @@
status = "okay";
lvds-channel@1 {
- fsl,data-mapping = "spwg";
- fsl,data-width = <18>;
+ fsl,data-mapping = "jeida";
+ fsl,data-width = <24>;
status = "okay";
display-timings {
Thanks
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