On Wed, Aug 26, 2015 at 7:33 AM, Jani Nikula <jani.nikula@xxxxxxxxx> wrote:
> Cc: Thierry Reding <thierry.reding@xxxxxxxxx>
> Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
> ---
> include/drm/drm_dp_helper.h | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
> index 499e9f625aef..8c52d0ef1fc9 100644
> --- a/include/drm/drm_dp_helper.h
> +++ b/include/drm/drm_dp_helper.h
> @@ -634,6 +634,13 @@ drm_dp_enhanced_frame_cap(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
> (dpcd[DP_MAX_LANE_COUNT] & DP_ENHANCED_FRAME_CAP);
> }
>
> +static inline bool
> +drm_dp_tps3_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
> +{
> + return dpcd[DP_DPCD_REV] >= 0x12 &&
> + dpcd[DP_MAX_LANE_COUNT] & DP_TPS3_SUPPORTED;
> +}
> +
> /*
> * DisplayPort AUX channel
> */
> --
> 2.1.4
>
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