[U-Boot] [PATCH v2 01/11] videomodes: Add pixelclock_khz and refresh fields to ctfb_res_modes

Anatolij Gustschin agust at denx.de
Thu Jan 8 15:26:01 CET 2015


On Fri, 19 Dec 2014 18:10:31 +0100
Hans de Goede <hdegoede at redhat.com> wrote:

> Add pixelclock_khz and refresh fields to ctfb_res_modes:
> 
> 1) pixelclocks are usually referred to in hz, not picoseconds, and e.g
> pll-s are also typically programmed in hz, not ps. Converting between the
> 2 leads to rounding differences, add a pixelclock_khz field to directly
> store the *exact* pixelclock for a mode, so that drivers do not need to
> resort to rounding tricks to try and guess the exact pixelclock;
> 
> 2) The video-mode environment variable, as parsed by video_get_video_mode
> also contains the vertical refresh rate, add a refresh field, so that
> the refresh-rate can be matched when parsing the video-mode environment
> variable.
> 
> Signed-off-by: Hans de Goede <hdegoede at redhat.com>

Acked-by: Anatolij Gustschin <agust at denx.de>


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