[PATCH 0/4] Fix DP busy wait and defer disabling overlay plane

[Dan MacDonald]

Having another quick search now had revealed the Hummingboard Edge,
which has 2GB RAM and M.2, although I've not found a UK reseller yet.

That seems like it could be another good choice?

On Mon, Apr 24, 2017 at 10:18 AM, Dan MacDonald <allcoms at gmail.com> wrote:
> Hi Phillip
>
> Do you think there is any hope for us getting the GPU to work on my
> Element14 SABRE Lite or is it a lost cause, with it being such a rare
> board combined with my lack of of kernel dev skills and limited dev
> time for this? I'm sure I'll find a non-GPU dependent use for the SL
> if that is the case but its a shame as its the main reason I bought
> it, in the hope of finally getting an ARM device with FLOSS drivers.
> When I bought it I thought it I was under te mistaken impression it
> would be exactly the same board as the Boundary devices SBC of the
> same, which is a pretty reasonable chance to take I thought.
>
> It seems to me that the best iMX6/Vivante SBCs that I could
> potentially afford are the Wandboard Quad, the CuBox-i2eXw or the
> Hummingboard i2eX? Is there anything better choice for someone who
> really wants an (e)SATA port?
>
> Does anyone on this list own any of these devices and can you confirm
> they work with etnavivdrm and Armada?
>
> Thanks
>
> On Mon, Apr 10, 2017 at 6:54 PM, Dan MacDonald <allcoms at gmail.com> wrote:
>> Hi Philipp
>>
>> Is there any more info regarding my display probs that you need from me?
>>
>> Are you working on or do you plan to create another revision of this patch?
>>
>> I am presuming I'm the only person on this list who owns the Element14
>> version of the SABRE Lite?
>>
>> Thanks
>>
>> On Wed, Apr 5, 2017 at 3:18 PM, Dan MacDonald <allcoms at gmail.com> wrote:
>>> Hi Phillipp
>>>
>>> My SL was attached to a 27" UHD Acer S277HK Monitor.
>>>
>>> I can disable those for the next patch but I get the impression thats
>>> not the only issue here as I've gone from being able to get a picture
>>> (but not the right res) in 4.10 to not getting any HDMI signal at all
>>> with this patch.
>>>
>>> Those flip errors have to be another bad sign, right?
>>>
>>> Thanks
>>>
>>> On Wed, Apr 5, 2017 at 2:51 PM, Philipp Zabel <p.zabel at pengutronix.de> wrote:
>>>> On Tue, 2017-04-04 at 19:25 +0100, Dan MacDonald wrote:
>>>>> It took just under 11 hours to build the Arch 4.11 armv7h kernel on my
>>>>> SL. The good news is that the patch both applied and built OK this
>>>>> time, and the kernel package installed fine. What didn't seem right is
>>>>> that boot pauses for a minute or so on these lines:
>>>>>
>>>>> [ 4.458572] panel-simple panel-lcd: panel-lcd supply power not found,
>>>>> using dummy regulator
>>>>> [ 4.467736] panel-simple panel-lvds0: panel-lvds0 supply power not
>>>>> found, using dummy regulator
>>>>
>>>> I have no idea where that delay comes from, but do you have the Okaya
>>>> RS800480T-7x0GP parallel panel or the Hannstar HSD100PXN1 LVDS panel
>>>> that are described in imx6qdl-sabrelite.dtsi connected to the SABRE Lite
>>>> board? If not, could you try disabling them or the one that you don't
>>>> have:
>>>>
>>>> ----------8<----------
>>>> diff --git a/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi b/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi
>>>> index 84131794e97b6..c291c2821345f 100644
>>>> --- a/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi
>>>> +++ b/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi
>>>> @@ -159,7 +159,7 @@
>>>>                 brightness-levels = <0 4 8 16 32 64 128 255>;
>>>>                 default-brightness-level = <7>;
>>>>                 power-supply = <&reg_3p3v>;
>>>> -               status = "okay";
>>>> +               status = "disabled";
>>>>         };
>>>>
>>>>         backlight_lvds: backlight-lvds {
>>>> @@ -168,7 +168,7 @@
>>>>                 brightness-levels = <0 4 8 16 32 64 128 255>;
>>>>                 default-brightness-level = <7>;
>>>>                 power-supply = <&reg_3p3v>;
>>>> -               status = "okay";
>>>> +               status = "disabled";
>>>>         };
>>>>
>>>>         lcd_display: display at di0 {
>>>> @@ -178,7 +178,7 @@
>>>>                 interface-pix-fmt = "bgr666";
>>>>                 pinctrl-names = "default";
>>>>                 pinctrl-0 = <&pinctrl_j15>;
>>>> -               status = "okay";
>>>> +               status = "disabled";
>>>>
>>>>                 port at 0 {
>>>>                         reg = <0>;
>>>> @@ -200,6 +200,7 @@
>>>>         panel-lcd {
>>>>                 compatible = "okaya,rs800480t-7x0gp";
>>>>                 backlight = <&backlight_lcd>;
>>>> +               status = "disabled";
>>>>
>>>>                 port {
>>>>                         lcd_panel_in: endpoint {
>>>> @@ -211,6 +212,7 @@
>>>>         panel-lvds0 {
>>>>                 compatible = "hannstar,hsd100pxn1";
>>>>                 backlight = <&backlight_lvds>;
>>>> +               status = "disabled";
>>>>
>>>>                 port {
>>>>                         panel_in: endpoint {
>>>> ---------->8----------
>>>>
>>>> regards
>>>> Philipp
>>>>
>>>>