[PATCH 1/2] drm/dp: add defines for downstream port types

Alex Deucher alexdeucher at gmail.com
Fri Sep 27 14:20:18 PDT 2013


On Fri, Sep 27, 2013 at 7:48 AM, Jani Nikula <jani.nikula at intel.com> wrote:
> Detailed cap info at address 80h is not available with DPCD ver
> 1.0. Whether such devices exist in the wild I don't know, but there
> should be no harm done in having the defines for downstream port 0 in
> address 05h.
>
> Signed-off-by: Jani Nikula <jani.nikula at intel.com>

Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

> ---
>  include/drm/drm_dp_helper.h |    8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
> index ae8dbfb..83da4eb 100644
> --- a/include/drm/drm_dp_helper.h
> +++ b/include/drm/drm_dp_helper.h
> @@ -77,10 +77,10 @@
>  #define DP_DOWNSTREAMPORT_PRESENT           0x005
>  # define DP_DWN_STRM_PORT_PRESENT           (1 << 0)
>  # define DP_DWN_STRM_PORT_TYPE_MASK         0x06
> -/* 00b = DisplayPort */
> -/* 01b = Analog */
> -/* 10b = TMDS or HDMI */
> -/* 11b = Other */
> +# define DP_DWN_STRM_PORT_TYPE_DP           (0 << 1)
> +# define DP_DWN_STRM_PORT_TYPE_ANALOG       (1 << 1)
> +# define DP_DWN_STRM_PORT_TYPE_TMDS         (2 << 1)
> +# define DP_DWN_STRM_PORT_TYPE_OTHER        (3 << 1)
>  # define DP_FORMAT_CONVERSION               (1 << 3)
>  # define DP_DETAILED_CAP_INFO_AVAILABLE            (1 << 4) /* DPI */
>
> --
> 1.7.9.5
>
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