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    Subject[PATCH v3 3/6] drm/dp: Add macro to check max_downspread capability
    Date
    Add a macro to check for the max_downspread capability in
    drm_dp_helper.

    Signed-off-by: Sankeerth Billakanti <quic_sbillaka@quicinc.com>
    ---
    include/drm/drm_dp_helper.h | 6 ++++++
    1 file changed, 6 insertions(+)

    diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
    index afdf7f4..b39e7a0 100644
    --- a/include/drm/drm_dp_helper.h
    +++ b/include/drm/drm_dp_helper.h
    @@ -1784,6 +1784,12 @@ drm_dp_tps3_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
    }

    static inline bool
    +drm_dp_max_downspread(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
    +{
    + return dpcd[DP_MAX_DOWNSPREAD] & DP_MAX_DOWNSPREAD_0_5;
    +}
    +
    +static inline bool
    drm_dp_tps4_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
    {
    return dpcd[DP_DPCD_REV] >= 0x14 &&
    --
    2.7.4
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