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 | 95 |
1 files changed, 50 insertions, 45 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 0aa2cda60890..439dcf3b596c 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 @@ -41,8 +41,9 @@ #define CTX \ clk_src->base.ctx -#define DC_LOGGER \ - calc_pll_cs->ctx->logger + +#define DC_LOGGER_INIT() + #undef FN #define FN(reg_name, field_name) \ clk_src->cs_shift->field_name, clk_src->cs_mask->field_name @@ -132,7 +133,7 @@ static bool calculate_fb_and_fractional_fb_divider( uint64_t feedback_divider; feedback_divider = - (uint64_t)(target_pix_clk_khz * ref_divider * post_divider); + (uint64_t)target_pix_clk_khz * ref_divider * post_divider; feedback_divider *= 10; /* additional factor, since we divide by 10 afterwards */ feedback_divider *= (uint64_t)(calc_pll_cs->fract_fb_divider_factor); @@ -144,8 +145,8 @@ static bool calculate_fb_and_fractional_fb_divider( * of fractional feedback decimal point and the fractional FB Divider precision * is 2 then the equation becomes (ullfeedbackDivider + 5*100) / (10*100))*/ - feedback_divider += (uint64_t) - (5 * calc_pll_cs->fract_fb_divider_precision_factor); + feedback_divider += 5ULL * + calc_pll_cs->fract_fb_divider_precision_factor; feedback_divider = div_u64(feedback_divider, calc_pll_cs->fract_fb_divider_precision_factor * 10); @@ -202,8 +203,8 @@ static bool calc_fb_divider_checking_tolerance( &fract_feedback_divider); /*Actual calculated value*/ - actual_calc_clk_khz = (uint64_t)(feedback_divider * - calc_pll_cs->fract_fb_divider_factor) + + actual_calc_clk_khz = (uint64_t)feedback_divider * + calc_pll_cs->fract_fb_divider_factor + fract_feedback_divider; actual_calc_clk_khz *= calc_pll_cs->ref_freq_khz; actual_calc_clk_khz = @@ -467,7 +468,7 @@ static uint32_t dce110_get_pix_clk_dividers_helper ( { uint32_t field = 0; uint32_t pll_calc_error = MAX_PLL_CALC_ERROR; - struct calc_pll_clock_source *calc_pll_cs = &clk_src->calc_pll; + DC_LOGGER_INIT(); /* Check if reference clock is external (not pcie/xtalin) * HW Dce80 spec: * 00 - PCIE_REFCLK, 01 - XTALIN, 02 - GENERICA, 03 - GENERICB @@ -557,8 +558,8 @@ static uint32_t dce110_get_pix_clk_dividers( struct pll_settings *pll_settings) { struct dce110_clk_src *clk_src = TO_DCE110_CLK_SRC(cs); - struct calc_pll_clock_source *calc_pll_cs = &clk_src->calc_pll; uint32_t pll_calc_error = MAX_PLL_CALC_ERROR; + DC_LOGGER_INIT(); if (pix_clk_params == NULL || pll_settings == NULL || pix_clk_params->requested_pix_clk == 0) { @@ -589,8 +590,9 @@ static uint32_t dce110_get_pix_clk_dividers( 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) +#ifdef CONFIG_X86 case DCN_VERSION_1_0: #endif @@ -655,12 +657,12 @@ static uint32_t dce110_get_d_to_pixel_rate_in_hz( return 0; } - pix_rate = dal_fixed31_32_from_int(clk_src->ref_freq_khz); - pix_rate = dal_fixed31_32_mul_int(pix_rate, 1000); - pix_rate = dal_fixed31_32_mul_int(pix_rate, phase); - pix_rate = dal_fixed31_32_div_int(pix_rate, modulo); + 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); - return dal_fixed31_32_round(pix_rate); + return dc_fixpt_round(pix_rate); } else { return dce110_get_dp_pixel_rate_from_combo_phy_pll(cs, pix_clk_params, pll_settings); } @@ -709,12 +711,12 @@ static bool calculate_ss( const struct spread_spectrum_data *ss_data, struct delta_sigma_data *ds_data) { - struct fixed32_32 fb_div; - struct fixed32_32 ss_amount; - struct fixed32_32 ss_nslip_amount; - struct fixed32_32 ss_ds_frac_amount; - struct fixed32_32 ss_step_size; - struct fixed32_32 modulation_time; + struct fixed31_32 fb_div; + struct fixed31_32 ss_amount; + struct fixed31_32 ss_nslip_amount; + struct fixed31_32 ss_ds_frac_amount; + struct fixed31_32 ss_step_size; + struct fixed31_32 modulation_time; if (ds_data == NULL) return false; @@ -729,42 +731,42 @@ static bool calculate_ss( /* compute SS_AMOUNT_FBDIV & SS_AMOUNT_NFRAC_SLIP & SS_AMOUNT_DSFRAC*/ /* 6 decimal point support in fractional feedback divider */ - fb_div = dal_fixed32_32_from_fraction( + fb_div = dc_fixpt_from_fraction( pll_settings->fract_feedback_divider, 1000000); - fb_div = dal_fixed32_32_add_int(fb_div, pll_settings->feedback_divider); + fb_div = dc_fixpt_add_int(fb_div, pll_settings->feedback_divider); ds_data->ds_frac_amount = 0; /*spreadSpectrumPercentage is in the unit of .01%, * so have to divided by 100 * 100*/ - ss_amount = dal_fixed32_32_mul( - fb_div, dal_fixed32_32_from_fraction(ss_data->percentage, + ss_amount = dc_fixpt_mul( + fb_div, dc_fixpt_from_fraction(ss_data->percentage, 100 * ss_data->percentage_divider)); - ds_data->feedback_amount = dal_fixed32_32_floor(ss_amount); + ds_data->feedback_amount = dc_fixpt_floor(ss_amount); - ss_nslip_amount = dal_fixed32_32_sub(ss_amount, - dal_fixed32_32_from_int(ds_data->feedback_amount)); - ss_nslip_amount = dal_fixed32_32_mul_int(ss_nslip_amount, 10); - ds_data->nfrac_amount = dal_fixed32_32_floor(ss_nslip_amount); + ss_nslip_amount = dc_fixpt_sub(ss_amount, + dc_fixpt_from_int(ds_data->feedback_amount)); + ss_nslip_amount = dc_fixpt_mul_int(ss_nslip_amount, 10); + ds_data->nfrac_amount = dc_fixpt_floor(ss_nslip_amount); - ss_ds_frac_amount = dal_fixed32_32_sub(ss_nslip_amount, - dal_fixed32_32_from_int(ds_data->nfrac_amount)); - ss_ds_frac_amount = dal_fixed32_32_mul_int(ss_ds_frac_amount, 65536); - ds_data->ds_frac_amount = dal_fixed32_32_floor(ss_ds_frac_amount); + ss_ds_frac_amount = dc_fixpt_sub(ss_nslip_amount, + dc_fixpt_from_int(ds_data->nfrac_amount)); + ss_ds_frac_amount = dc_fixpt_mul_int(ss_ds_frac_amount, 65536); + ds_data->ds_frac_amount = dc_fixpt_floor(ss_ds_frac_amount); /* compute SS_STEP_SIZE_DSFRAC */ - modulation_time = dal_fixed32_32_from_fraction( + modulation_time = dc_fixpt_from_fraction( pll_settings->reference_freq * 1000, pll_settings->reference_divider * ss_data->modulation_freq_hz); if (ss_data->flags.CENTER_SPREAD) - modulation_time = dal_fixed32_32_div_int(modulation_time, 4); + modulation_time = dc_fixpt_div_int(modulation_time, 4); else - modulation_time = dal_fixed32_32_div_int(modulation_time, 2); + modulation_time = dc_fixpt_div_int(modulation_time, 2); - ss_step_size = dal_fixed32_32_div(ss_amount, modulation_time); + ss_step_size = dc_fixpt_div(ss_amount, modulation_time); /* SS_STEP_SIZE_DSFRAC_DEC = Int(SS_STEP_SIZE * 2 ^ 16 * 10)*/ - ss_step_size = dal_fixed32_32_mul_int(ss_step_size, 65536 * 10); - ds_data->ds_frac_size = dal_fixed32_32_floor(ss_step_size); + ss_step_size = dc_fixpt_mul_int(ss_step_size, 65536 * 10); + ds_data->ds_frac_size = dc_fixpt_floor(ss_step_size); return true; } @@ -907,7 +909,7 @@ 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}; -#if defined(CONFIG_DRM_AMD_DC_DCN1_0) +#ifdef CONFIG_X86 if (IS_FPGA_MAXIMUS_DC(clock_source->ctx->dce_environment)) { unsigned int inst = pix_clk_params->controller_id - CONTROLLER_ID_D0; unsigned dp_dto_ref_kHz = 700000; @@ -978,8 +980,9 @@ static bool dce110_program_pix_clk( break; case DCE_VERSION_11_2: + case DCE_VERSION_11_22: case DCE_VERSION_12_0: -#if defined(CONFIG_DRM_AMD_DC_DCN1_0) +#ifdef CONFIG_X86 case DCN_VERSION_1_0: #endif @@ -1054,7 +1057,7 @@ static void get_ss_info_from_atombios( struct spread_spectrum_info *ss_info_cur; struct spread_spectrum_data *ss_data_cur; uint32_t i; - struct calc_pll_clock_source *calc_pll_cs = &clk_src->calc_pll; + DC_LOGGER_INIT(); if (ss_entries_num == NULL) { DC_LOG_SYNC( "Invalid entry !!!\n"); @@ -1076,13 +1079,15 @@ static void get_ss_info_from_atombios( if (*ss_entries_num == 0) return; - ss_info = kzalloc(sizeof(struct spread_spectrum_info) * (*ss_entries_num), + ss_info = kcalloc(*ss_entries_num, + sizeof(struct spread_spectrum_info), GFP_KERNEL); ss_info_cur = ss_info; if (ss_info == NULL) return; - ss_data = kzalloc(sizeof(struct spread_spectrum_data) * (*ss_entries_num), + ss_data = kcalloc(*ss_entries_num, + sizeof(struct spread_spectrum_data), GFP_KERNEL); if (ss_data == NULL) goto out_free_info; |