# Re: \[PATCH 4/4\] \[resend \#2\] tridentfb: Add DDC support

- From: Tomi Valkeinen \<hidden\>
- Date: 2015-09-02 11:30:21 
- List: linux-fbdev
- Page: https://ratatoskr.run/linux-fbdev/2015/09/4568319
- Thread: https://ratatoskr.run/linux-fbdev/2015/08/4563090/t.md

```text
Hi,

On 24/08/15 22:37, Ondrej Zary wrote:
> Add DDC support for Trident cards.
> 
> Tested on TGUI9440, TGUI9680, 3DImage 9750, Blade3D 9880 and Blade XP.
> 
> Signed-off-by: Ondrej Zary <redacted>
> ---
>  drivers/video/fbdev/Kconfig     |    9 ++
>  drivers/video/fbdev/tridentfb.c |  192 ++++++++++++++++++++++++++++++++++++++-
>  2 files changed, 196 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig
> index 2d98de5..e2531b8 100644
> --- a/drivers/video/fbdev/Kconfig
> +++ b/drivers/video/fbdev/Kconfig
> @@ -1680,6 +1680,15 @@ config FB_TRIDENT
>  	  To compile this driver as a module, choose M here: the
>  	  module will be called tridentfb.
>  
> +config FB_TRIDENT_DDC
> +	bool "DDC for Trident support"
> +	depends on FB_TRIDENT
> +	select FB_DDC
> +	select FB_MODE_HELPERS
> +	default y
> +	help
> +	  Say Y here if you want DDC support for your Trident graphics card.
> +

Why would somebody not want this enabled? Is there some drawback if it's
enabled?

 Tomi

```

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