aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/amd/display/dc/virtual/virtual_link_encoder.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/virtual/virtual_link_encoder.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/virtual/virtual_link_encoder.c123
1 files changed, 123 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/virtual/virtual_link_encoder.c b/drivers/gpu/drm/amd/display/dc/virtual/virtual_link_encoder.c
new file mode 100644
index 000000000000..57a54a7b89e5
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/virtual/virtual_link_encoder.c
@@ -0,0 +1,123 @@
+/*
+ * Copyright 2012-15 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dm_services.h"
+#include "dm_services_types.h"
+
+#include "virtual_link_encoder.h"
+
+static bool virtual_link_encoder_validate_output_with_stream(
+ struct link_encoder *enc,
+ const struct dc_stream_state *stream) { return true; }
+
+static void virtual_link_encoder_hw_init(struct link_encoder *enc) {}
+
+static void virtual_link_encoder_setup(
+ struct link_encoder *enc,
+ enum signal_type signal) {}
+
+static void virtual_link_encoder_enable_tmds_output(
+ struct link_encoder *enc,
+ enum clock_source_id clock_source,
+ enum dc_color_depth color_depth,
+ bool hdmi,
+ bool dual_link,
+ uint32_t pixel_clock) {}
+
+static void virtual_link_encoder_enable_dp_output(
+ struct link_encoder *enc,
+ const struct dc_link_settings *link_settings,
+ enum clock_source_id clock_source) {}
+
+static void virtual_link_encoder_enable_dp_mst_output(
+ struct link_encoder *enc,
+ const struct dc_link_settings *link_settings,
+ enum clock_source_id clock_source) {}
+
+static void virtual_link_encoder_disable_output(
+ struct link_encoder *link_enc,
+ enum signal_type signal) {}
+
+static void virtual_link_encoder_dp_set_lane_settings(
+ struct link_encoder *enc,
+ const struct link_training_settings *link_settings) {}
+
+static void virtual_link_encoder_dp_set_phy_pattern(
+ struct link_encoder *enc,
+ const struct encoder_set_dp_phy_pattern_param *param) {}
+
+static void virtual_link_encoder_update_mst_stream_allocation_table(
+ struct link_encoder *enc,
+ const struct link_mst_stream_allocation_table *table) {}
+
+static void virtual_link_encoder_connect_dig_be_to_fe(
+ struct link_encoder *enc,
+ enum engine_id engine,
+ bool connect) {}
+
+static void virtual_link_encoder_destroy(struct link_encoder **enc)
+{
+ kfree(*enc);
+ *enc = NULL;
+}
+
+
+static const struct link_encoder_funcs virtual_lnk_enc_funcs = {
+ .validate_output_with_stream =
+ virtual_link_encoder_validate_output_with_stream,
+ .hw_init = virtual_link_encoder_hw_init,
+ .setup = virtual_link_encoder_setup,
+ .enable_tmds_output = virtual_link_encoder_enable_tmds_output,
+ .enable_dp_output = virtual_link_encoder_enable_dp_output,
+ .enable_dp_mst_output = virtual_link_encoder_enable_dp_mst_output,
+ .disable_output = virtual_link_encoder_disable_output,
+ .dp_set_lane_settings = virtual_link_encoder_dp_set_lane_settings,
+ .dp_set_phy_pattern = virtual_link_encoder_dp_set_phy_pattern,
+ .update_mst_stream_allocation_table =
+ virtual_link_encoder_update_mst_stream_allocation_table,
+ .connect_dig_be_to_fe = virtual_link_encoder_connect_dig_be_to_fe,
+ .destroy = virtual_link_encoder_destroy
+};
+
+bool virtual_link_encoder_construct(
+ struct link_encoder *enc, const struct encoder_init_data *init_data)
+{
+ enc->funcs = &virtual_lnk_enc_funcs;
+ enc->ctx = init_data->ctx;
+ enc->id = init_data->encoder;
+
+ enc->hpd_source = init_data->hpd_source;
+ enc->connector = init_data->connector;
+
+ enc->transmitter = init_data->transmitter;
+
+ enc->output_signals = SIGNAL_TYPE_VIRTUAL;
+
+ enc->preferred_engine = ENGINE_ID_VIRTUAL;
+
+ return true;
+}
+
+