From 6608804b3d7f0552a38641b03a4e3aa1852df15b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Wed, 18 May 2016 11:57:29 +0300 Subject: drm/dp: Add drm_dp_psr_setup_time() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add a small helper to parse the PSR setup time from the DPCD PSR capabilities and return the value in microseconds. v2: Don't waste so many bytes on the psr_setup_time_us[] table Cc: Daniel Vetter Reviewed-by: Daniel Vetter Signed-off-by: Ville Syrjälä Signed-off-by: Dave Airlie --- include/drm/drm_dp_helper.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/drm') diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h index 72dee1213268..63b8bd502444 100644 --- a/include/drm/drm_dp_helper.h +++ b/include/drm/drm_dp_helper.h @@ -657,6 +657,8 @@ struct edp_vsc_psr { #define EDP_VSC_PSR_UPDATE_RFB (1<<1) #define EDP_VSC_PSR_CRC_VALUES_VALID (1<<2) +int drm_dp_psr_setup_time(const u8 psr_cap[EDP_PSR_RECEIVER_CAP_SIZE]); + static inline int drm_dp_max_link_rate(const u8 dpcd[DP_RECEIVER_CAP_SIZE]) { -- cgit v1.2.3