diff options
| author | Dillon Varone <dillon.varone@amd.com> | 2024-03-14 16:21:32 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-05-20 16:20:24 -0400 |
| commit | 7991585b7743fb9b88e8cd2317ce7a87c4f86450 (patch) | |
| tree | 07366113409dfdbd86fd55d6cd683361dd75aed7 /drivers/gpu/drm/amd/display/dc/dce | |
| parent | bea00fab2b0e5359ee88a2b127f15a35cd48872b (diff) | |
drm/amd/display: Modify HPO pixel clock programming to support DPM
Need to select DTBCLK and DPREFCLK as DTBCLK_p source according to
hardware guidance.
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Dillon Varone <dillon.varone@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/dce')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c b/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c index f39700832639..63deb5b60548 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c @@ -1082,11 +1082,11 @@ static bool dcn401_program_pix_clk( // all but TMDS gets Driver to program DP_DTO without calling VBIOS Command table if (!dc_is_tmds_signal(pix_clk_params->signal_type)) { - long long ref_dtbclk_khz = clock_source->ctx->dc->clk_mgr->funcs->get_dtb_ref_clk_frequency(clock_source->ctx->dc->clk_mgr); - long long dprefclk_khz = clock_source->ctx->dc->clk_mgr->dprefclk_khz; long long dtbclk_p_src_clk_khz; - /* if signal is DP132B128B dtbclk_p_src is DTBCLK else DPREFCLK */ - dtbclk_p_src_clk_khz = encoding == DP_128b_132b_ENCODING ? ref_dtbclk_khz : dprefclk_khz; + + dtbclk_p_src_clk_khz = clock_source->ctx->dc->clk_mgr->dprefclk_khz; + dto_params.clk_src = DPREFCLK; + if (e) { dto_params.pixclk_hz = e->target_pixel_rate_khz * e->mult_factor; dto_params.refclk_hz = dtbclk_p_src_clk_khz * e->div_factor; |