Re: [PATCH v21 0/8] Initial support Cadence MHDP8501(HDMI/DP) for i.MX8MQ

From: Krzysztof Kozlowski

Date: Wed Apr 08 2026 - 02:38:50 EST


On Tue, Apr 07, 2026 at 02:31:24PM +0000, Laurentiu Palcu wrote:
> From: Sandor Yu <Sandor.yu@xxxxxxx>
>
> Hi,
>
> Since Sandor left NXP some time back, I'll be taking over this patchset
> and continue the upstreaming process from where he left off.
>
> The patchset adds initial support for Cadence MHDP8501(HDMI/DP) DRM bridge
> and Cadence HDP-TX PHY(HDMI/DP) for Freescale i.MX8MQ.
>
> I addressed all remaining reviewers' comments from v20 but I'm not sure
> whether Alexander's issue is still present. Alexander, let me know if
> you're still experiencing a black screen with this patch-set and I'll
> try to address it in the next revision.
>
> --
> Changes in v21:
> - Dropped "phy: Add HDMI configuration options" patch because it was
> already merged separately;
> - Rebased to latest linux-next (7.0-rc6) and fixed all issues
> introduced by API changes in DRM;
> - Addressed Maxime's comment on patch #5 and used debugfs file instead
> of sysfs for printing firmware version;
> - Addressed all Dmitry's comments: handled the
> cdns_mhdp_mailbox_send_recv_multi() error, removed the RGB 10bit
> unused code, added a dts property in order to get the bridge type (I
> couldn't find another way to do it...);
> - Dropped Krzysztof's r-b tag for patch #4 (which is now patch #3)
> since I added a new property;

Whych property? You really are not supposed to add new properties at
v21. This means your binding was incomplete while being discussed for
~20 revisions.

Best regards,
Krzysztof