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 | 441 |
1 files changed, 207 insertions, 234 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 ca137757a69e..723ce80ed89c 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 @@ -75,6 +75,11 @@ static const struct spread_spectrum_data *get_ss_data_entry( entrys_num = clk_src->hdmi_ss_params_cnt; break; + case SIGNAL_TYPE_LVDS: + ss_parm = clk_src->lvds_ss_params; + entrys_num = clk_src->lvds_ss_params_cnt; + break; + case SIGNAL_TYPE_DISPLAY_PORT: case SIGNAL_TYPE_DISPLAY_PORT_MST: case SIGNAL_TYPE_EDP: @@ -579,115 +584,42 @@ static uint32_t dce110_get_pix_clk_dividers( return 0; } - switch (cs->ctx->dce_version) { - case DCE_VERSION_8_0: - case DCE_VERSION_8_1: - case DCE_VERSION_8_3: - case DCE_VERSION_10_0: - case DCE_VERSION_11_0: - pll_calc_error = - dce110_get_pix_clk_dividers_helper(clk_src, + pll_calc_error = dce110_get_pix_clk_dividers_helper(clk_src, pll_settings, pix_clk_params); - break; - case DCE_VERSION_11_2: - case DCE_VERSION_11_22: - case DCE_VERSION_12_0: -#if defined(CONFIG_DRM_AMD_DC_DCN1_0) - case DCN_VERSION_1_0: -#endif - - dce112_get_pix_clk_dividers_helper(clk_src, - pll_settings, pix_clk_params); - break; - default: - break; - } return pll_calc_error; } -static uint32_t dce110_get_pll_pixel_rate_in_hz( - struct clock_source *cs, - struct pixel_clk_params *pix_clk_params, - struct pll_settings *pll_settings) -{ - uint32_t inst = pix_clk_params->controller_id - CONTROLLER_ID_D0; - struct dc *dc_core = cs->ctx->dc; - struct dc_state *context = dc_core->current_state; - struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[inst]; - - /* This function need separate to different DCE version, before separate, just use pixel clock */ - return pipe_ctx->stream->phy_pix_clk; - -} - -static uint32_t dce110_get_dp_pixel_rate_from_combo_phy_pll( - struct clock_source *cs, - struct pixel_clk_params *pix_clk_params, - struct pll_settings *pll_settings) -{ - uint32_t inst = pix_clk_params->controller_id - CONTROLLER_ID_D0; - struct dc *dc_core = cs->ctx->dc; - struct dc_state *context = dc_core->current_state; - struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[inst]; - - /* This function need separate to different DCE version, before separate, just use pixel clock */ - return pipe_ctx->stream->phy_pix_clk; -} - -static uint32_t dce110_get_d_to_pixel_rate_in_hz( - struct clock_source *cs, - struct pixel_clk_params *pix_clk_params, - struct pll_settings *pll_settings) +static uint32_t dce112_get_pix_clk_dividers( + struct clock_source *cs, + struct pixel_clk_params *pix_clk_params, + struct pll_settings *pll_settings) { - uint32_t inst = pix_clk_params->controller_id - CONTROLLER_ID_D0; struct dce110_clk_src *clk_src = TO_DCE110_CLK_SRC(cs); - int dto_enabled = 0; - struct fixed31_32 pix_rate; - - REG_GET(PIXEL_RATE_CNTL[inst], DP_DTO0_ENABLE, &dto_enabled); - - if (dto_enabled) { - uint32_t phase = 0; - uint32_t modulo = 0; - REG_GET(PHASE[inst], DP_DTO0_PHASE, &phase); - REG_GET(MODULO[inst], DP_DTO0_MODULO, &modulo); + DC_LOGGER_INIT(); - if (modulo == 0) { - return 0; - } + if (pix_clk_params == NULL || pll_settings == NULL + || pix_clk_params->requested_pix_clk == 0) { + DC_LOG_ERROR( + "%s: Invalid parameters!!\n", __func__); + return -1; + } - pix_rate = dc_fixpt_from_int(clk_src->ref_freq_khz); - pix_rate = dc_fixpt_mul_int(pix_rate, 1000); - pix_rate = dc_fixpt_mul_int(pix_rate, phase); - pix_rate = dc_fixpt_div_int(pix_rate, modulo); + memset(pll_settings, 0, sizeof(*pll_settings)); - return dc_fixpt_round(pix_rate); - } else { - return dce110_get_dp_pixel_rate_from_combo_phy_pll(cs, pix_clk_params, pll_settings); + if (cs->id == CLOCK_SOURCE_ID_DP_DTO || + cs->id == CLOCK_SOURCE_ID_EXTERNAL) { + pll_settings->adjusted_pix_clk = clk_src->ext_clk_khz; + pll_settings->calculated_pix_clk = clk_src->ext_clk_khz; + pll_settings->actual_pix_clk = + pix_clk_params->requested_pix_clk; + return -1; } -} -static uint32_t dce110_get_pix_rate_in_hz( - struct clock_source *cs, - struct pixel_clk_params *pix_clk_params, - struct pll_settings *pll_settings) -{ - uint32_t pix_rate = 0; - switch (pix_clk_params->signal_type) { - case SIGNAL_TYPE_DISPLAY_PORT: - case SIGNAL_TYPE_DISPLAY_PORT_MST: - case SIGNAL_TYPE_EDP: - case SIGNAL_TYPE_VIRTUAL: - pix_rate = dce110_get_d_to_pixel_rate_in_hz(cs, pix_clk_params, pll_settings); - break; - case SIGNAL_TYPE_HDMI_TYPE_A: - default: - pix_rate = dce110_get_pll_pixel_rate_in_hz(cs, pix_clk_params, pll_settings); - break; - } + dce112_get_pix_clk_dividers_helper(clk_src, + pll_settings, pix_clk_params); - return pix_rate; + return 0; } static bool disable_spread_spectrum(struct dce110_clk_src *clk_src) @@ -909,6 +841,65 @@ static bool dce110_program_pix_clk( struct dce110_clk_src *clk_src = TO_DCE110_CLK_SRC(clock_source); struct bp_pixel_clock_parameters bp_pc_params = {0}; + /* First disable SS + * ATOMBIOS will enable by default SS on PLL for DP, + * do not disable it here + */ + if (clock_source->id != CLOCK_SOURCE_ID_EXTERNAL && + !dc_is_dp_signal(pix_clk_params->signal_type) && + clock_source->ctx->dce_version <= DCE_VERSION_11_0) + disable_spread_spectrum(clk_src); + + /*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 = pll_settings->actual_pix_clk; + bp_pc_params.encoder_object_id = pix_clk_params->encoder_object_id; + bp_pc_params.signal_type = pix_clk_params->signal_type; + + bp_pc_params.reference_divider = pll_settings->reference_divider; + bp_pc_params.feedback_divider = pll_settings->feedback_divider; + bp_pc_params.fractional_feedback_divider = + pll_settings->fract_feedback_divider; + bp_pc_params.pixel_clock_post_divider = + pll_settings->pix_clk_post_divider; + bp_pc_params.flags.SET_EXTERNAL_REF_DIV_SRC = + pll_settings->use_external_clk; + + if (clk_src->bios->funcs->set_pixel_clock( + clk_src->bios, &bp_pc_params) != BP_RESULT_OK) + return false; + /* Enable SS + * ATOMBIOS will enable by default SS for DP on PLL ( DP ID clock), + * based on HW display PLL team, SS control settings should be programmed + * during PLL Reset, but they do not have effect + * until SS_EN is asserted.*/ + if (clock_source->id != CLOCK_SOURCE_ID_EXTERNAL + && !dc_is_dp_signal(pix_clk_params->signal_type)) { + + if (pix_clk_params->flags.ENABLE_SS) + if (!enable_spread_spectrum(clk_src, + pix_clk_params->signal_type, + pll_settings)) + return false; + + /* Resync deep color DTO */ + dce110_program_pixel_clk_resync(clk_src, + pix_clk_params->signal_type, + pix_clk_params->color_depth); + } + + return true; +} + +static bool dce112_program_pix_clk( + struct clock_source *clock_source, + struct pixel_clk_params *pix_clk_params, + struct pll_settings *pll_settings) +{ + struct dce110_clk_src *clk_src = TO_DCE110_CLK_SRC(clock_source); + struct bp_pixel_clock_parameters bp_pc_params = {0}; + #if defined(CONFIG_DRM_AMD_DC_DCN1_0) if (IS_FPGA_MAXIMUS_DC(clock_source->ctx->dce_environment)) { unsigned int inst = pix_clk_params->controller_id - CONTROLLER_ID_D0; @@ -940,78 +931,29 @@ static bool dce110_program_pix_clk( bp_pc_params.encoder_object_id = pix_clk_params->encoder_object_id; bp_pc_params.signal_type = pix_clk_params->signal_type; - switch (clock_source->ctx->dce_version) { - case DCE_VERSION_8_0: - case DCE_VERSION_8_1: - case DCE_VERSION_8_3: - case DCE_VERSION_10_0: - case DCE_VERSION_11_0: - bp_pc_params.reference_divider = pll_settings->reference_divider; - bp_pc_params.feedback_divider = pll_settings->feedback_divider; - bp_pc_params.fractional_feedback_divider = - pll_settings->fract_feedback_divider; - bp_pc_params.pixel_clock_post_divider = - pll_settings->pix_clk_post_divider; - bp_pc_params.flags.SET_EXTERNAL_REF_DIV_SRC = + if (clock_source->id != CLOCK_SOURCE_ID_DP_DTO) { + bp_pc_params.flags.SET_GENLOCK_REF_DIV_SRC = pll_settings->use_external_clk; - - if (clk_src->bios->funcs->set_pixel_clock( - clk_src->bios, &bp_pc_params) != BP_RESULT_OK) - return false; - /* Enable SS - * ATOMBIOS will enable by default SS for DP on PLL ( DP ID clock), - * based on HW display PLL team, SS control settings should be programmed - * during PLL Reset, but they do not have effect - * until SS_EN is asserted.*/ - if (clock_source->id != CLOCK_SOURCE_ID_EXTERNAL - && !dc_is_dp_signal(pix_clk_params->signal_type)) { - - if (pix_clk_params->flags.ENABLE_SS) - if (!enable_spread_spectrum(clk_src, - pix_clk_params->signal_type, - pll_settings)) - return false; - - /* Resync deep color DTO */ - dce110_program_pixel_clk_resync(clk_src, - pix_clk_params->signal_type, - pix_clk_params->color_depth); + 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; } - - break; - case DCE_VERSION_11_2: - case DCE_VERSION_11_22: - case DCE_VERSION_12_0: -#if defined(CONFIG_DRM_AMD_DC_DCN1_0) - case DCN_VERSION_1_0: -#endif - - 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); - break; - default: - break; } + 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) { @@ -1038,13 +980,19 @@ static bool dce110_clock_source_power_down( /*****************************************/ /* Constructor */ /*****************************************/ + +static const struct clock_source_funcs dce112_clk_src_funcs = { + .cs_power_down = dce110_clock_source_power_down, + .program_pix_clk = dce112_program_pix_clk, + .get_pix_clk_dividers = dce112_get_pix_clk_dividers +}; static const struct clock_source_funcs dce110_clk_src_funcs = { .cs_power_down = dce110_clock_source_power_down, .program_pix_clk = dce110_program_pix_clk, - .get_pix_clk_dividers = dce110_get_pix_clk_dividers, - .get_pix_rate_in_hz = dce110_get_pix_rate_in_hz + .get_pix_clk_dividers = dce110_get_pix_clk_dividers }; + static void get_ss_info_from_atombios( struct dce110_clk_src *clk_src, enum as_signal_type as_signal, @@ -1184,6 +1132,11 @@ static void ss_info_from_atombios_create( AS_SIGNAL_TYPE_DVI, &clk_src->dvi_ss_params, &clk_src->dvi_ss_params_cnt); + get_ss_info_from_atombios( + clk_src, + AS_SIGNAL_TYPE_LVDS, + &clk_src->lvds_ss_params, + &clk_src->lvds_ss_params_cnt); } static bool calc_pll_max_vco_construct( @@ -1295,81 +1248,70 @@ bool dce110_clk_src_construct( clk_src->ext_clk_khz = fw_info.external_clock_source_frequency_for_dp; - switch (clk_src->base.ctx->dce_version) { - case DCE_VERSION_8_0: - case DCE_VERSION_8_1: - case DCE_VERSION_8_3: - case DCE_VERSION_10_0: - case DCE_VERSION_11_0: - - /* structure normally used with PLL ranges from ATOMBIOS; DS on by default */ - calc_pll_cs_init_data.bp = bios; - calc_pll_cs_init_data.min_pix_clk_pll_post_divider = 1; - calc_pll_cs_init_data.max_pix_clk_pll_post_divider = - clk_src->cs_mask->PLL_POST_DIV_PIXCLK; - calc_pll_cs_init_data.min_pll_ref_divider = 1; - calc_pll_cs_init_data.max_pll_ref_divider = clk_src->cs_mask->PLL_REF_DIV; - /* when 0 use minInputPxlClkPLLFrequencyInKHz from firmwareInfo*/ - calc_pll_cs_init_data.min_override_input_pxl_clk_pll_freq_khz = 0; - /* when 0 use maxInputPxlClkPLLFrequencyInKHz from firmwareInfo*/ - calc_pll_cs_init_data.max_override_input_pxl_clk_pll_freq_khz = 0; - /*numberOfFractFBDividerDecimalPoints*/ - calc_pll_cs_init_data.num_fract_fb_divider_decimal_point = - FRACT_FB_DIVIDER_DEC_POINTS_MAX_NUM; - /*number of decimal point to round off for fractional feedback divider value*/ - calc_pll_cs_init_data.num_fract_fb_divider_decimal_point_precision = - FRACT_FB_DIVIDER_DEC_POINTS_MAX_NUM; - calc_pll_cs_init_data.ctx = ctx; - - /*structure for HDMI, no SS or SS% <= 0.06% for 27 MHz Ref clock */ - calc_pll_cs_init_data_hdmi.bp = bios; - calc_pll_cs_init_data_hdmi.min_pix_clk_pll_post_divider = 1; - calc_pll_cs_init_data_hdmi.max_pix_clk_pll_post_divider = - clk_src->cs_mask->PLL_POST_DIV_PIXCLK; - calc_pll_cs_init_data_hdmi.min_pll_ref_divider = 1; - calc_pll_cs_init_data_hdmi.max_pll_ref_divider = clk_src->cs_mask->PLL_REF_DIV; - /* when 0 use minInputPxlClkPLLFrequencyInKHz from firmwareInfo*/ - calc_pll_cs_init_data_hdmi.min_override_input_pxl_clk_pll_freq_khz = 13500; - /* when 0 use maxInputPxlClkPLLFrequencyInKHz from firmwareInfo*/ - calc_pll_cs_init_data_hdmi.max_override_input_pxl_clk_pll_freq_khz = 27000; - /*numberOfFractFBDividerDecimalPoints*/ - calc_pll_cs_init_data_hdmi.num_fract_fb_divider_decimal_point = - FRACT_FB_DIVIDER_DEC_POINTS_MAX_NUM; - /*number of decimal point to round off for fractional feedback divider value*/ - calc_pll_cs_init_data_hdmi.num_fract_fb_divider_decimal_point_precision = - FRACT_FB_DIVIDER_DEC_POINTS_MAX_NUM; - calc_pll_cs_init_data_hdmi.ctx = ctx; - - clk_src->ref_freq_khz = fw_info.pll_info.crystal_frequency; - - if (clk_src->base.id == CLOCK_SOURCE_ID_EXTERNAL) - return true; - - /* PLL only from here on */ - ss_info_from_atombios_create(clk_src); - - if (!calc_pll_max_vco_construct( - &clk_src->calc_pll, - &calc_pll_cs_init_data)) { - ASSERT_CRITICAL(false); - goto unexpected_failure; - } + /* structure normally used with PLL ranges from ATOMBIOS; DS on by default */ + calc_pll_cs_init_data.bp = bios; + calc_pll_cs_init_data.min_pix_clk_pll_post_divider = 1; + calc_pll_cs_init_data.max_pix_clk_pll_post_divider = + clk_src->cs_mask->PLL_POST_DIV_PIXCLK; + calc_pll_cs_init_data.min_pll_ref_divider = 1; + calc_pll_cs_init_data.max_pll_ref_divider = clk_src->cs_mask->PLL_REF_DIV; + /* when 0 use minInputPxlClkPLLFrequencyInKHz from firmwareInfo*/ + calc_pll_cs_init_data.min_override_input_pxl_clk_pll_freq_khz = 0; + /* when 0 use maxInputPxlClkPLLFrequencyInKHz from firmwareInfo*/ + calc_pll_cs_init_data.max_override_input_pxl_clk_pll_freq_khz = 0; + /*numberOfFractFBDividerDecimalPoints*/ + calc_pll_cs_init_data.num_fract_fb_divider_decimal_point = + FRACT_FB_DIVIDER_DEC_POINTS_MAX_NUM; + /*number of decimal point to round off for fractional feedback divider value*/ + calc_pll_cs_init_data.num_fract_fb_divider_decimal_point_precision = + FRACT_FB_DIVIDER_DEC_POINTS_MAX_NUM; + calc_pll_cs_init_data.ctx = ctx; + + /*structure for HDMI, no SS or SS% <= 0.06% for 27 MHz Ref clock */ + calc_pll_cs_init_data_hdmi.bp = bios; + calc_pll_cs_init_data_hdmi.min_pix_clk_pll_post_divider = 1; + calc_pll_cs_init_data_hdmi.max_pix_clk_pll_post_divider = + clk_src->cs_mask->PLL_POST_DIV_PIXCLK; + calc_pll_cs_init_data_hdmi.min_pll_ref_divider = 1; + calc_pll_cs_init_data_hdmi.max_pll_ref_divider = clk_src->cs_mask->PLL_REF_DIV; + /* when 0 use minInputPxlClkPLLFrequencyInKHz from firmwareInfo*/ + calc_pll_cs_init_data_hdmi.min_override_input_pxl_clk_pll_freq_khz = 13500; + /* when 0 use maxInputPxlClkPLLFrequencyInKHz from firmwareInfo*/ + calc_pll_cs_init_data_hdmi.max_override_input_pxl_clk_pll_freq_khz = 27000; + /*numberOfFractFBDividerDecimalPoints*/ + calc_pll_cs_init_data_hdmi.num_fract_fb_divider_decimal_point = + FRACT_FB_DIVIDER_DEC_POINTS_MAX_NUM; + /*number of decimal point to round off for fractional feedback divider value*/ + calc_pll_cs_init_data_hdmi.num_fract_fb_divider_decimal_point_precision = + FRACT_FB_DIVIDER_DEC_POINTS_MAX_NUM; + calc_pll_cs_init_data_hdmi.ctx = ctx; + + clk_src->ref_freq_khz = fw_info.pll_info.crystal_frequency; + + if (clk_src->base.id == CLOCK_SOURCE_ID_EXTERNAL) + return true; + + /* PLL only from here on */ + ss_info_from_atombios_create(clk_src); + + if (!calc_pll_max_vco_construct( + &clk_src->calc_pll, + &calc_pll_cs_init_data)) { + ASSERT_CRITICAL(false); + goto unexpected_failure; + } - calc_pll_cs_init_data_hdmi. - min_override_input_pxl_clk_pll_freq_khz = clk_src->ref_freq_khz/2; - calc_pll_cs_init_data_hdmi. - max_override_input_pxl_clk_pll_freq_khz = clk_src->ref_freq_khz; + calc_pll_cs_init_data_hdmi. + min_override_input_pxl_clk_pll_freq_khz = clk_src->ref_freq_khz/2; + calc_pll_cs_init_data_hdmi. + max_override_input_pxl_clk_pll_freq_khz = clk_src->ref_freq_khz; - if (!calc_pll_max_vco_construct( - &clk_src->calc_pll_hdmi, &calc_pll_cs_init_data_hdmi)) { - ASSERT_CRITICAL(false); - goto unexpected_failure; - } - break; - default: - break; + if (!calc_pll_max_vco_construct( + &clk_src->calc_pll_hdmi, &calc_pll_cs_init_data_hdmi)) { + ASSERT_CRITICAL(false); + goto unexpected_failure; } return true; @@ -1378,3 +1320,34 @@ unexpected_failure: return false; } +bool dce112_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) +{ + struct dc_firmware_info fw_info = { { 0 } }; + + clk_src->base.ctx = ctx; + clk_src->bios = bios; + clk_src->base.id = id; + clk_src->base.funcs = &dce112_clk_src_funcs; + + clk_src->regs = regs; + clk_src->cs_shift = cs_shift; + clk_src->cs_mask = cs_mask; + + if (clk_src->bios->funcs->get_firmware_info( + clk_src->bios, &fw_info) != BP_RESULT_OK) { + ASSERT_CRITICAL(false); + return false; + } + + clk_src->ext_clk_khz = fw_info.external_clock_source_frequency_for_dp; + + return true; +} + |