[PATCH v2 0/2] drm/rockchip: dw_hdmi: Add 4k at 30 support

Sascha Hauer s.hauer at pengutronix.de
Wed Sep 28 08:37:55 UTC 2022


On Tue, Sep 27, 2022 at 07:53:54PM +0200, Dan Johansen wrote:
> 
> Den 26.09.2022 kl. 12.30 skrev Michael Riesch:
> > Hi Sascha,
> > 
> > On 9/26/22 10:04, Sascha Hauer wrote:
> > > This series adds support for 4k at 30 to the rockchip HDMI controller. This
> > > has been tested on a rk3568 rock3a board. It should be possible to add
> > > 4k at 60 support the same way, but it doesn't work for me, so let's add
> > > 4k at 30 as a first step.
> > > 														     Sascha
> > > 
> > > Changes since v1:
> > > - Allow non standard clock rates only on Synopsys phy as suggested by
> > >    Robin Murphy
> > > 
> > > Sascha Hauer (2):
> > >    drm/rockchip: dw_hdmi: relax mode_valid hook
> > >    drm/rockchip: dw_hdmi: Add support for 4k at 30 resolution
> > > 
> > >   drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 34 ++++++++++++++++-----
> > >   1 file changed, 27 insertions(+), 7 deletions(-)
> > Thanks for the v2! On a RK3568 EVB1 with a HP 27f 4k monitor
> > 
> > Tested-by: Michael Riesch <michael.riesch at wolfvision.net>
> 
> Sadly this still doesn't give my display out on my 2k monitor. Not even just
> 1080p picture like the old current implementation does.

By "like the old current implementation" you mean that this patchset
introduces a regression for you?

Sascha

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