diff options
| author | Dave Airlie <airlied@redhat.com> | 2015-10-01 16:28:25 +1000 |
|---|---|---|
| committer | Sasha Levin <alexander.levin@verizon.com> | 2016-11-25 22:57:02 -0500 |
| commit | e5c6bbbcc7be9106e744c36b88d0464a8a3c2a16 (patch) | |
| tree | 39b3d6ac649e6202c579834e2fc9f1eb95dc87ed | |
| parent | dadd5803301f1175861c3cf42aa8385fd71537a9 (diff) | |
drm/dp/mst: add some defines for logical/physical ports
[ Upstream commit ccf03d6995fa4b784f5b987726ba98f4859bf326 ]
This just removes the magic number.
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
| -rw-r--r-- | drivers/gpu/drm/drm_dp_mst_topology.c | 2 | ||||
| -rw-r--r-- | include/drm/drm_dp_helper.h | 4 |
2 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index ec54c21bae3d..e22a22baf511 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -1156,7 +1156,7 @@ 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); } } diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h index 523f04c90dea..cede0a45b9c0 100644 --- a/include/drm/drm_dp_helper.h +++ b/include/drm/drm_dp_helper.h @@ -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); |