drm/radeon/kms: add support for DP modesetting

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 11 insertions, 2 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index b516401c151..7d03e397149 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -343,6 +343,8 @@ struct radeon_connector_atom_dig {
         struct radeon_i2c_chan *dp_i2c_bus;
         u8 dpcd[8];
         u8 dp_sink_type;
+        int dp_clock;
+        int dp_lane_count;
 };
 
 struct radeon_connector {
@@ -366,10 +368,17 @@ struct radeon_framebuffer {
         struct drm_gem_object *obj;
 };
 
-extern int dp_lanes_for_mode_clock(int max_link_bw, int mode_clock);
-extern int dp_link_clock_for_mode_clock(int max_link_bw, int mode_clock);
+extern int radeon_dp_mode_valid_helper(struct radeon_connector *radeon_connector,
+                                       struct drm_display_mode *mode);
+extern void radeon_dp_set_link_config(struct drm_connector *connector,
+                                      struct drm_display_mode *mode);
+extern void dp_link_train(struct drm_encoder *encoder,
+                          struct drm_connector *connector);
 extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
 extern void radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
+extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
+                                           int action, uint8_t lane_num,
+                                           uint8_t lane_set);
 extern int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
                                 uint8_t write_byte, uint8_t *read_byte);