[PATCH v2 0/4] Add HDMI 2.0 support to DW HDMI QP TX

[Chris Morgan]

On Tue, Jan 13, 2026 at 12:40:46AM +0200, Cristian Ciocaltea wrote:
> On 1/13/26 12:26 AM, Cristian Ciocaltea wrote:
> > This patch series provides the missing support for high TMDS clock ratio
> > and scrambling to DW HDMI QP TX library, required for handling HDMI 2.0
> > display modes on RK3576 & RK3588 SoCs.
> > 
> > In order to allow addressing the SCDC status lost on sink disconnects,
> > it adds an atomic variant of the drm_bridge_funcs.detect callback and a
> > new drm_bridge_detect_ctx() helper, which is further used in
> > drm_bridge_connector to switch to ->detect_ctx hook.
> > 
> > Furthermore, it optimizes HPD event handling in dw_hdmi_qp Rockchip
> > platform driver to run the detect cycle on the affected connector only.
> > 
> > Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea at collabora.com>
> > ---
> > Changes in v2:
> > - Collected Tested-by tags from Diederik and Maud
> > - Rebased onto latest drm-misc-next
> > - Ensured the recently introduced 'no-hpd' support for dealing with
> >   unconnected/repurposed/broken HPD pin is limited to HDMI 1.4 rates
> 
> Chris, could you please confirm no-hpd is still functional with this series on
> your Gameforce Ace board when testing with a HDMI 2.0 display?
> 
> Thanks,
> Cristian
> 

I can confirm no-hpd still works with this series, but I don't have an
HDMI 2.0 monitor to test with.

Thank you,
Chris