diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c | 117 |
1 files changed, 117 insertions, 0 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 b5e0289d2fe8..6b33117ab5fc 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 @@ -1063,6 +1063,101 @@ static bool dcn31_program_pix_clk( return true; } +static bool dcn401_program_pix_clk( + struct clock_source *clock_source, + struct pixel_clk_params *pix_clk_params, + enum dp_link_encoding encoding, + struct pll_settings *pll_settings) +{ + struct dce110_clk_src *clk_src = TO_DCE110_CLK_SRC(clock_source); + unsigned int inst = pix_clk_params->controller_id - CONTROLLER_ID_D0; + const struct pixel_rate_range_table_entry *e = + look_up_in_video_optimized_rate_tlb(pix_clk_params->requested_pix_clk_100hz / 10); + struct bp_pixel_clock_parameters bp_pc_params = {0}; + enum transmitter_color_depth bp_pc_colour_depth = TRANSMITTER_COLOR_DEPTH_24; + struct dp_dto_params dto_params = { 0 }; + + dto_params.otg_inst = inst; + dto_params.signal = pix_clk_params->signal_type; + + // all but TMDS gets Driver to program DP_DTO without calling VBIOS Command table + if (!dc_is_hdmi_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; + 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; + } else { + dto_params.pixclk_hz = pix_clk_params->requested_pix_clk_100hz * 100; + dto_params.refclk_hz = dtbclk_p_src_clk_khz * 1000; + } + + /* enable DP DTO */ + clock_source->ctx->dc->res_pool->dccg->funcs->set_dp_dto( + clock_source->ctx->dc->res_pool->dccg, + &dto_params); + + } else { + /* disables DP DTO when provided with TMDS signal type */ + clock_source->ctx->dc->res_pool->dccg->funcs->set_dp_dto( + clock_source->ctx->dc->res_pool->dccg, + &dto_params); + + /*ATOMBIOS expects pixel rate adjusted by deep color ratio)*/ + bp_pc_params.controller_id = pix_clk_params->controller_id; + bp_pc_params.pll_id = clock_source->id; + bp_pc_params.target_pixel_clock_100hz = pll_settings->actual_pix_clk_100hz; + bp_pc_params.encoder_object_id = pix_clk_params->encoder_object_id; + bp_pc_params.signal_type = pix_clk_params->signal_type; + + // Make sure we send the correct color depth to DMUB for HDMI + if (pix_clk_params->signal_type == SIGNAL_TYPE_HDMI_TYPE_A) { + switch (pix_clk_params->color_depth) { + case COLOR_DEPTH_888: + bp_pc_colour_depth = TRANSMITTER_COLOR_DEPTH_24; + break; + case COLOR_DEPTH_101010: + bp_pc_colour_depth = TRANSMITTER_COLOR_DEPTH_30; + break; + case COLOR_DEPTH_121212: + bp_pc_colour_depth = TRANSMITTER_COLOR_DEPTH_36; + break; + case COLOR_DEPTH_161616: + bp_pc_colour_depth = TRANSMITTER_COLOR_DEPTH_48; + break; + default: + bp_pc_colour_depth = TRANSMITTER_COLOR_DEPTH_24; + break; + } + bp_pc_params.color_depth = bp_pc_colour_depth; + } + + if (clock_source->id != CLOCK_SOURCE_ID_DP_DTO) { + bp_pc_params.flags.SET_GENLOCK_REF_DIV_SRC = + pll_settings->use_external_clk; + bp_pc_params.flags.SET_XTALIN_REF_SRC = + !pll_settings->use_external_clk; + if (pix_clk_params->flags.SUPPORT_YCBCR420) { + bp_pc_params.flags.SUPPORT_YUV_420 = 1; + } + } + if (clk_src->bios->funcs->set_pixel_clock( + clk_src->bios, &bp_pc_params) != BP_RESULT_OK) + return false; + /* Resync deep color DTO */ + if (clock_source->id != CLOCK_SOURCE_ID_DP_DTO) + dce112_program_pixel_clk_resync(clk_src, + pix_clk_params->signal_type, + pix_clk_params->color_depth, + pix_clk_params->flags.SUPPORT_YCBCR420); + } + + return true; +} + static bool dce110_clock_source_power_down( struct clock_source *clk_src) { @@ -1314,6 +1409,13 @@ static const struct clock_source_funcs dcn31_clk_src_funcs = { .get_pixel_clk_frequency_100hz = get_pixel_clk_frequency_100hz }; +static const struct clock_source_funcs dcn401_clk_src_funcs = { + .cs_power_down = dce110_clock_source_power_down, + .program_pix_clk = dcn401_program_pix_clk, + .get_pix_clk_dividers = dcn3_get_pix_clk_dividers, + .get_pixel_clk_frequency_100hz = get_pixel_clk_frequency_100hz +}; + /*****************************************/ /* Constructor */ /*****************************************/ @@ -1731,6 +1833,21 @@ bool dcn31_clk_src_construct( return ret; } +bool dcn401_clk_src_construct( + struct dce110_clk_src *clk_src, + struct dc_context *ctx, + struct dc_bios *bios, + enum clock_source_id id, + const struct dce110_clk_src_regs *regs, + const struct dce110_clk_src_shift *cs_shift, + const struct dce110_clk_src_mask *cs_mask) +{ + bool ret = dce112_clk_src_construct(clk_src, ctx, bios, id, regs, cs_shift, cs_mask); + + clk_src->base.funcs = &dcn401_clk_src_funcs; + + return ret; +} bool dcn301_clk_src_construct( struct dce110_clk_src *clk_src, struct dc_context *ctx, |