[PATCH 0/2] drm/nouveau: add support for 2560x1440 at 56 over HDMI

Hauke Mehrtens hauke at hauke-m.de
Mon Aug 17 11:04:07 PDT 2015


On 08/08/2015 07:01 PM, Hauke Mehrtens wrote:
> These patches are adding support for outputting 2560x1440 at 56 over HDMI. 
> This needs a pixel clock of 225 MHz which was not supported before.
> 
> This was tested in a dual monitor setup with a GF114 (GTX 560 TI) and 
> one HDMI monitor running with 2560x1440 at 56 and one DVI monitor running 
> with 1920x1200 at 60. This still needs testing on other graphics cards and 
> with dual link DVI.
> 
> There is no Maintainers entry for nouveau.
> 
> Hauke Mehrtens (2):
>   drm/nouveau: activate dual link TMDS links only when possible
>   drm/nouveau: increase max pixel clock to 225 MHZ for HDMI
> 
>  drivers/gpu/drm/nouveau/nouveau_connector.c      | 6 ++++--
>  drivers/gpu/drm/nouveau/nv50_display.c           | 8 ++++----
>  drivers/gpu/drm/nouveau/nvkm/engine/disp/gf110.c | 2 +-
>  drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c  | 2 +-
>  4 files changed, 10 insertions(+), 8 deletions(-)
> 


Hi Ben,

Some people in the IRC suggested you should look at these patches.

There are still some parts in the code with something like "if
(pixel_lock > 165MHz)", I haven't changed that because that did not
affected me and I do not know in which situations this gets called.

Hauke


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