* [PATCH] drm/bridge: sii902x: Enable I/O and core VCC supplies if present
@ 2021-01-15 18:13 Alex G.
2021-01-17 14:14 ` Greg KH
0 siblings, 1 reply; 2+ messages in thread
From: Alex G. @ 2021-01-15 18:13 UTC (permalink / raw)
To: stable
Please consider adding the following fixes to v5.10:
* cc5f7e2fcbe3 drm/bridge: sii902x: Enable I/O and core VCC supplies if
present
* 4c1e054322da dt-bindings: display: sii902x: Add supply bindings
* 91b5e26731c5 drm/bridge: sii902x: Refactor init code into separate
function
The STM32MP discovery board is a popular ARM platform, containing a GPU
and attached display. The display will fail to be initialized if any of
the DRM bridges fail initialization. The sii9022 bridge only worked
correctly if the firmware enabled the power supplies on boot. This was
the case if u-boot was used.
I would like this board to work correctly with v5.10, without needing to
make assumptions about the firmware.
Thanks,
Alex
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] drm/bridge: sii902x: Enable I/O and core VCC supplies if present
2021-01-15 18:13 [PATCH] drm/bridge: sii902x: Enable I/O and core VCC supplies if present Alex G.
@ 2021-01-17 14:14 ` Greg KH
0 siblings, 0 replies; 2+ messages in thread
From: Greg KH @ 2021-01-17 14:14 UTC (permalink / raw)
To: Alex G.; +Cc: stable
On Fri, Jan 15, 2021 at 12:13:28PM -0600, Alex G. wrote:
> Please consider adding the following fixes to v5.10:
>
> * cc5f7e2fcbe3 drm/bridge: sii902x: Enable I/O and core VCC supplies if
> present
> * 4c1e054322da dt-bindings: display: sii902x: Add supply bindings
> * 91b5e26731c5 drm/bridge: sii902x: Refactor init code into separate
> function
>
> The STM32MP discovery board is a popular ARM platform, containing a GPU and
> attached display. The display will fail to be initialized if any of the DRM
> bridges fail initialization. The sii9022 bridge only worked correctly if the
> firmware enabled the power supplies on boot. This was the case if u-boot was
> used.
>
> I would like this board to work correctly with v5.10, without needing to
> make assumptions about the firmware.
All now queued up, thanks.
greg k-h
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-01-15 18:13 [PATCH] drm/bridge: sii902x: Enable I/O and core VCC supplies if present Alex G.
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