drm/radeon/kms: add support for DP modesetting
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index b516401..7d03e39 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -343,6 +343,8 @@
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 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);