[PATCH v3 17/24] drm/sun4i: Don't change clock bits in DW HDMI PHY driver

Jernej Škrabec jernej.skrabec at siol.net
Fri Jun 29 19:23:51 UTC 2018


Dne četrtek, 28. junij 2018 ob 04:24:02 CEST je Chen-Yu Tsai napisal(a):
> On Mon, Jun 25, 2018 at 8:02 PM, Jernej Skrabec <jernej.skrabec at siol.net> 
wrote:
> > DW HDMI PHY driver and PHY clock driver share same registers. Make sure
> > that DW HDMI PHY setup code doesn't change any clock related bits.
> > During initialization, set PHY PLL parent bit to 0.
> > 
> > Signed-off-by: Jernej Skrabec <jernej.skrabec at siol.net>
> 
> Reviewed-by: Chen-Yu Tsai <wens at csie.org>
> 
> and maybe a fixes tag?

No need for fixes tag here. H3 and H5 HDMI PHYs have only one possible parent 
clock. Without this patch, 0 is always written in parent clock bit, which 
correctly selects first parent.

This is preparation patch for 2 clock parents support.

Best regards,
Jernej





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