[PATCH v2 2/5] drm/bridge: cdns-mhdp8546: Use drm_dp_enhanced_frame_cap()
From: Dmytro Malovanyi
Date: Thu Oct 29 2026 - 06:23:27 EST
Use the helper instead of checking DP_ENHANCED_FRAME_CAP directly, so
enhanced framing is used for all DPCD r1.2+ sinks as the spec requires.
Compile tested only.
Signed-off-by: Dmytro Malovanyi <dmitrymalovanyy@xxxxxxxxx>
---
drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c
index f47717bd1..8cab9a3e6 100644
--- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c
+++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c
@@ -1375,7 +1375,7 @@ static int cdns_mhdp_link_up(struct cdns_mhdp_device *mhdp)
mhdp->link.rate = drm_dp_bw_code_to_link_rate(dpcd[1]);
mhdp->link.num_lanes = dpcd[2] & DP_MAX_LANE_COUNT_MASK;
- if (dpcd[2] & DP_ENHANCED_FRAME_CAP)
+ if (drm_dp_enhanced_frame_cap(dpcd))
mhdp->link.capabilities |= DP_LINK_CAP_ENHANCED_FRAMING;
dev_dbg(mhdp->dev, "Set sink device power state via DPCD\n");
--
2.50.1 (Apple Git-155)