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drm/amd/dc: Add link output control for DPIA

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[Why]
To support specific sequencing requirements for DPIA link output

[How]
Implement the dpia_link_hwss structure and define the necessary
control function pointers. The initialization order is
aligned with the core link_hwss definition to ensure consistency

Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: Lincheng Ku <LinCheng.Ku@amd.com>
Signed-off-by: Chuanyu Tseng <chuanyu.tseng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lincheng Ku 2026-03-18 03:58:35 +08:00 committed by Alex Deucher
parent 5efcf63aa6
commit 096bff6706
1 changed files with 11 additions and 7 deletions
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18
drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dpia.c
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@ -145,13 +145,9 @@ static void disable_dpia_link_output(struct dc_link *link,
}
static const struct link_hwss dpia_link_hwss = {
.setup_stream_encoder = setup_dio_stream_encoder,
.reset_stream_encoder = reset_dio_stream_encoder,
.setup_stream_attribute = setup_dio_stream_attribute,
.disable_link_output = disable_dpia_link_output,
.setup_audio_output = setup_dio_audio_output,
.enable_audio_packet = enable_dio_audio_packet,
.disable_audio_packet = disable_dio_audio_packet,
/* Ensure initialization order matches the declaration in link_hwss.h
* for strict compiler compliance and consistency across HWSS implementations
*/
.ext = {
.set_throttled_vcp_size = set_dio_throttled_vcp_size,
.enable_dp_link_output = enable_dpia_link_output,
@ -159,6 +155,14 @@ static const struct link_hwss dpia_link_hwss = {
.set_dp_lane_settings = set_dio_dpia_lane_settings,
.update_stream_allocation_table = update_dpia_stream_allocation_table,
},
.setup_stream_encoder = setup_dio_stream_encoder,
.reset_stream_encoder = reset_dio_stream_encoder,
.setup_stream_attribute = setup_dio_stream_attribute,
.disable_link_output = disable_dpia_link_output,
.setup_audio_output = setup_dio_audio_output,
.enable_audio_packet = enable_dio_audio_packet,
.disable_audio_packet = disable_dio_audio_packet,
};
bool can_use_dpia_link_hwss(const struct dc_link *link,