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Commit ccf03d69 authored by Dave Airlie's avatar Dave Airlie
Browse files

drm/dp/mst: add some defines for logical/physical ports 



This just removes the magic number.

Acked-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 274d8352

drivers/gpu/drm/drm_dp_mst_topology.c

+1 −1
Original line number Diff line number Diff line
@@ -1125,7 +1125,7 @@ static void drm_dp_add_port(struct drm_dp_mst_branch *mstb, 
			drm_dp_put_port(port);

			goto out;

		}

		if (port->port_num >= 8) {

		if (port->port_num >= DP_MST_LOGICAL_PORT_0) {

			port->cached_edid = drm_get_edid(port->connector, &port->aux.ddc);

			drm_mode_connector_set_tile_property(port->connector);

		}

include/drm/drm_dp_helper.h

+4 −0
Original line number Diff line number Diff line
@@ -568,6 +568,10 @@ 
#define MODE_I2C_READ	4

#define MODE_I2C_STOP	8



/* DP 1.2 MST PORTs - Section 2.5.1 v1.2a spec */

#define DP_MST_PHYSICAL_PORT_0 0

#define DP_MST_LOGICAL_PORT_0 8



#define DP_LINK_STATUS_SIZE	   6

bool drm_dp_channel_eq_ok(const u8 link_status[DP_LINK_STATUS_SIZE],

			  int lane_count);