On 11/03/2014 06:13 AM, Fabio Estevam wrote:
> On Mon, Nov 3, 2014 at 11:20 AM, Fabio Estevam <festevam@xxxxxxxxx> wrote:
>> On Mon, Nov 3, 2014 at 11:12 AM, Fabio Estevam <festevam@xxxxxxxxx> wrote:
>>> Hi Steve,
>>>
>>> On Fri, Oct 31, 2014 at 10:19 PM, Steve Longerbeam
>>> <slongerbeam@xxxxxxxxx> wrote:
>>>
>>>> Hi Fabio, Yes I forgot to mention that in the cover letter:
>>>>
>>>> git@xxxxxxxxxx:slongerbeam/drm-next.git
>>>>
>>>> Branch is imx-drm-mentor.
>>> Just tried it here. There were some dtb file build issues and I just
>>> removed the dtb's that caused issues from the Makefile.
>>>
>>> Then I ran the kernel and dtb on a imx6q-sabresd, but no HDMI output
>>> could be seen.
>> Sorry, I was using the wrong kernel. HDMI is fine now.
>>
>> Will run some tests now. Thanks
> Some nice improvements that I could notice: now HDMI is detected
> correctly when used together with LVDS.
>
> Also, the LVDS picture does not go away when I remove the HDMI connector.
>
> However, the Linux penguins are appearing with incorrect colours on
> the LVDS panel of my imx6q-sabresd.
Hi Fabio, which panel? The Hannstar or the 1024x600 Okaya 7"
panel?
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.
For reference here are the ldb node settings/timings that work for
the Okaya panel:
&ldb {
status = "okay";
lvds-channel@0 {
fsl,data-mapping = "jeida";
fsl,data-width = <24>;
status = "okay";
display-timings {
native-mode = <&timing0>;
timing0: nit6x_1024x600 {
clock-frequency = <51200000>;
hactive = <1024>;
vactive = <600>;
hback-porch = <220>;
hfront-porch = <40>;
vback-porch = <20>;
vfront-porch = <5>;
hsync-len = <60>;
vsync-len = <10>;
};
};
};
};
Steve
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