[PATCH phy-next 15/22] drm: bridge: cdns-mhdp8546: use consumer API for getting PHY bus width

Vladimir Oltean vladimir.oltean at nxp.com
Wed Mar 4 09:57:28 PST 2026


The Cadence MHDP8546 DP bridge driver gets the PHY bus_width attribute
(holding number of lanes) directly, but doing this will no longer be
possible after the definition of struct phy is hidden from consumers.

Use the phy_get_bus_width() API function designed specifically for
consumers.

Signed-off-by: Vladimir Oltean <vladimir.oltean at nxp.com>
---
Cc: Andrzej Hajda <andrzej.hajda at intel.com>
Cc: Neil Armstrong <neil.armstrong at linaro.org>
Cc: Robert Foss <rfoss at kernel.org>
Cc: Laurent Pinchart <Laurent.pinchart at ideasonboard.com>
Cc: Jonas Karlman <jonas at kwiboo.se>
Cc: Jernej Skrabec <jernej.skrabec at gmail.com>
Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
Cc: Maxime Ripard <mripard at kernel.org>
Cc: Thomas Zimmermann <tzimmermann at suse.de>
Cc: David Airlie <airlied at gmail.com>
Cc: Simona Vetter <simona at ffwll.ch>
---
 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 ed7ed82ddb64..e3f8a281f147 100644
--- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c
+++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c
@@ -1304,7 +1304,7 @@ static void cdns_mhdp_fill_host_caps(struct cdns_mhdp_device *mhdp)
 
 	/* Get source capabilities based on PHY attributes */
 
-	mhdp->host.lanes_cnt = mhdp->phy->attrs.bus_width;
+	mhdp->host.lanes_cnt = phy_get_bus_width(mhdp->phy);
 	if (!mhdp->host.lanes_cnt)
 		mhdp->host.lanes_cnt = 4;
 
-- 
2.43.0




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