diff options
| author | Alvin Lee <alvin.lee2@amd.com> | 2022-08-10 19:39:24 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-08-25 13:34:41 -0400 |
| commit | 594b237b9a07e28d524b35a59dbff5bdc8de6b78 (patch) | |
| tree | 79505b8dec11163878fc7b6f936b44eecb8564ba /drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | |
| parent | b68ea8af4ae005df5ca4f547f22b3824d0fcb3a4 (diff) | |
drm/amd/display: Add interface to track PHY state
[Why]
Sometimes pixel clock needs to remain active after transmitter disable.
[How]
Use update_phy_state to track PHY state after stream
enable/disable and program pixel clock as needed.
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Acked-by: Brian Chang <Brian.Chang@amd.com>
Signed-off-by: Taimur Hassan <Syed.Hassan@amd.com>
Signed-off-by: Alvin Lee <alvin.lee2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index 38a67051d470..801206aed63a 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -1577,8 +1577,12 @@ static enum dc_status apply_single_controller_ctx_to_hw( if (dc_is_dp_signal(pipe_ctx->stream->signal)) dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_CONNECT_DIG_FE_OTG); - if (!stream->dpms_off) - core_link_enable_stream(context, pipe_ctx); + if (!stream->dpms_off) { + if (dc->hwss.update_phy_state) + dc->hwss.update_phy_state(context, pipe_ctx, TX_ON_SYMCLK_ON); + else + core_link_enable_stream(context, pipe_ctx); + } /* DCN3.1 FPGA Workaround * Need to enable HPO DP Stream Encoder before setting OTG master enable. |