diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/virtual/virtual_stream_encoder.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/virtual/virtual_stream_encoder.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/virtual/virtual_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/virtual/virtual_stream_encoder.c new file mode 100644 index 000000000000..3dc1733eea20 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/virtual/virtual_stream_encoder.c @@ -0,0 +1,136 @@ +/* + * 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 "virtual_stream_encoder.h" + +static void virtual_stream_encoder_dp_set_stream_attribute( + struct stream_encoder *enc, + struct dc_crtc_timing *crtc_timing, + enum dc_color_space output_color_space) {} + +static void virtual_stream_encoder_hdmi_set_stream_attribute( + struct stream_encoder *enc, + struct dc_crtc_timing *crtc_timing, + int actual_pix_clk_khz, + bool enable_audio) {} + +static void virtual_stream_encoder_dvi_set_stream_attribute( + struct stream_encoder *enc, + struct dc_crtc_timing *crtc_timing, + bool is_dual_link) {} + +static void virtual_stream_encoder_set_mst_bandwidth( + struct stream_encoder *enc, + struct fixed31_32 avg_time_slots_per_mtp) {} + +static void virtual_stream_encoder_update_hdmi_info_packets( + struct stream_encoder *enc, + const struct encoder_info_frame *info_frame) {} + +static void virtual_stream_encoder_stop_hdmi_info_packets( + struct stream_encoder *enc) {} + +static void virtual_stream_encoder_set_avmute( + struct stream_encoder *enc, + bool enable) {} +static void virtual_stream_encoder_update_dp_info_packets( + struct stream_encoder *enc, + const struct encoder_info_frame *info_frame) {} + +static void virtual_stream_encoder_stop_dp_info_packets( + struct stream_encoder *enc) {} + +static void virtual_stream_encoder_dp_blank( + struct stream_encoder *enc) {} + +static void virtual_stream_encoder_dp_unblank( + struct stream_encoder *enc, + const struct encoder_unblank_param *param) {} + +static void virtual_audio_mute_control( + struct stream_encoder *enc, + bool mute) {} + +static const struct stream_encoder_funcs virtual_str_enc_funcs = { + .dp_set_stream_attribute = + virtual_stream_encoder_dp_set_stream_attribute, + .hdmi_set_stream_attribute = + virtual_stream_encoder_hdmi_set_stream_attribute, + .dvi_set_stream_attribute = + virtual_stream_encoder_dvi_set_stream_attribute, + .set_mst_bandwidth = + virtual_stream_encoder_set_mst_bandwidth, + .update_hdmi_info_packets = + virtual_stream_encoder_update_hdmi_info_packets, + .stop_hdmi_info_packets = + virtual_stream_encoder_stop_hdmi_info_packets, + .update_dp_info_packets = + virtual_stream_encoder_update_dp_info_packets, + .stop_dp_info_packets = + virtual_stream_encoder_stop_dp_info_packets, + .dp_blank = + virtual_stream_encoder_dp_blank, + .dp_unblank = + virtual_stream_encoder_dp_unblank, + + .audio_mute_control = virtual_audio_mute_control, + .set_avmute = virtual_stream_encoder_set_avmute, +}; + +bool virtual_stream_encoder_construct( + struct stream_encoder *enc, + struct dc_context *ctx, + struct dc_bios *bp) +{ + if (!enc) + return false; + if (!bp) + return false; + + enc->funcs = &virtual_str_enc_funcs; + enc->ctx = ctx; + enc->id = ENGINE_ID_VIRTUAL; + enc->bp = bp; + + return true; +} + +struct stream_encoder *virtual_stream_encoder_create( + struct dc_context *ctx, struct dc_bios *bp) +{ + struct stream_encoder *enc = kzalloc(sizeof(*enc), GFP_KERNEL); + + if (!enc) + return NULL; + + if (virtual_stream_encoder_construct(enc, ctx, bp)) + return enc; + + BREAK_TO_DEBUGGER(); + kfree(enc); + return NULL; +} + |