[PATCH v3 0/3] drm/rockchip: dw_hdmi: Add 4k at 30 support

[Sascha Hauer]

Heiko, Sandy,

Ok to apply these patches?

Sascha

On Wed, Jan 18, 2023 at 02:22:10PM +0100, Sascha Hauer wrote:
> It's been some time since I last sent this series. This version fixes
> a regression Dan Johansen reported. The reason turned out to be simple,
> I used the YUV420 register values instead of the RGB ones.
> 
> I realized that we cannot achieve several modes offered by my monitor
> as these require pixelclocks that are slightly below the standard
> pixelclocks. As these are lower than the standard clock rates the PLL
> driver offers the clk driver falls back to a way lower frequency
> which results in something the monitor can't display, so this series
> now contains a patch to discard these unachievable modes.
> 
> Sascha
> 
> Changes since v2:
> - Use correct register values for mpll_cfg
> - Add patch to discard modes we cannot achieve
> 
> Changes since v1:
> - Allow non standard clock rates only on Synopsys phy as suggested by
>   Robin Murphy
> 
> Sascha Hauer (3):
>   drm/rockchip: dw_hdmi: relax mode_valid hook
>   drm/rockchip: dw_hdmi: Add support for 4k at 30 resolution
>   drm/rockchip: dw_hdmi: discard modes with unachievable pixelclocks
> 
>  drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 40 ++++++++++++++++-----
>  1 file changed, 32 insertions(+), 8 deletions(-)
> 
> -- 
> 2.30.2
> 
> 

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