diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/clk_mgr')
10 files changed, 1038 insertions, 54 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/Makefile b/drivers/gpu/drm/amd/display/dc/clk_mgr/Makefile index 003c27767e9c..b864869cc7e3 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/Makefile +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/Makefile @@ -85,3 +85,13 @@ AMD_DAL_CLK_MGR_DCN20 = $(addprefix $(AMDDALPATH)/dc/clk_mgr/dcn20/,$(CLK_MGR_DC AMD_DISPLAY_FILES += $(AMD_DAL_CLK_MGR_DCN20) endif +ifdef CONFIG_DRM_AMD_DC_DCN2_1 +############################################################################### +# DCN21 +############################################################################### +CLK_MGR_DCN21 = rn_clk_mgr.o rn_clk_mgr_vbios_smu.o + +AMD_DAL_CLK_MGR_DCN21 = $(addprefix $(AMDDALPATH)/dc/clk_mgr/dcn21/,$(CLK_MGR_DCN21)) + +AMD_DISPLAY_FILES += $(AMD_DAL_CLK_MGR_DCN21) +endif diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c index 6b8fc5cbabb8..c43797bea413 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c @@ -37,6 +37,9 @@ #include "dcn10/rv1_clk_mgr.h" #include "dcn10/rv2_clk_mgr.h" #include "dcn20/dcn20_clk_mgr.h" +#if defined(CONFIG_DRM_AMD_DC_DCN2_1) +#include "dcn21/rn_clk_mgr.h" +#endif int clk_mgr_helper_get_active_display_cnt( @@ -108,6 +111,12 @@ struct clk_mgr *dc_clk_mgr_create(struct dc_context *ctx, struct pp_smu_funcs *p #if defined(CONFIG_DRM_AMD_DC_DCN1_0) case FAMILY_RV: +#if defined(CONFIG_DRM_AMD_DC_DCN2_1) + if (ASICREV_IS_RENOIR(asic_id.hw_internal_rev)) { + rn_clk_mgr_construct(ctx, clk_mgr, pp_smu, dccg); + break; + } +#endif /* DCN2_1 */ if (ASICREV_IS_RAVEN2(asic_id.hw_internal_rev)) { rv2_clk_mgr_construct(ctx, clk_mgr, pp_smu); break; diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dce100/dce_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce100/dce_clk_mgr.c index 814450fefffa..c5c8c4901eed 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dce100/dce_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce100/dce_clk_mgr.c @@ -273,18 +273,12 @@ static void dce_clock_read_integrated_info(struct clk_mgr_internal *clk_mgr_dce) { struct dc_debug_options *debug = &clk_mgr_dce->base.ctx->dc->debug; struct dc_bios *bp = clk_mgr_dce->base.ctx->dc_bios; - struct integrated_info info = { { { 0 } } }; - struct dc_firmware_info fw_info = { { 0 } }; int i; if (bp->integrated_info) - info = *bp->integrated_info; - - clk_mgr_dce->dentist_vco_freq_khz = info.dentist_vco_freq; + clk_mgr_dce->dentist_vco_freq_khz = bp->integrated_info->dentist_vco_freq; if (clk_mgr_dce->dentist_vco_freq_khz == 0) { - bp->funcs->get_firmware_info(bp, &fw_info); - clk_mgr_dce->dentist_vco_freq_khz = - fw_info.smu_gpu_pll_output_freq; + clk_mgr_dce->dentist_vco_freq_khz = bp->fw_info.smu_gpu_pll_output_freq; if (clk_mgr_dce->dentist_vco_freq_khz == 0) clk_mgr_dce->dentist_vco_freq_khz = 3600000; } @@ -317,9 +311,10 @@ static void dce_clock_read_integrated_info(struct clk_mgr_internal *clk_mgr_dce) /*Do not allow bad VBIOS/SBIOS to override with invalid values, * check for > 100MHz*/ - if (info.disp_clk_voltage[i].max_supported_clk >= 100000) - clk_mgr_dce->max_clks_by_state[clk_state].display_clk_khz = - info.disp_clk_voltage[i].max_supported_clk; + if (bp->integrated_info) + if (bp->integrated_info->disp_clk_voltage[i].max_supported_clk >= 100000) + clk_mgr_dce->max_clks_by_state[clk_state].display_clk_khz = + bp->integrated_info->disp_clk_voltage[i].max_supported_clk; } if (!debug->disable_dfs_bypass && bp->integrated_info) diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr.c index caf8a4a4e442..47f529ce280a 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr.c @@ -34,6 +34,11 @@ #include "rv1_clk_mgr_vbios_smu.h" #include "rv1_clk_mgr_clk.h" +void rv1_init_clocks(struct clk_mgr *clk_mgr) +{ + memset(&(clk_mgr->clks), 0, sizeof(struct dc_clocks)); +} + static int rv1_determine_dppclk_threshold(struct clk_mgr_internal *clk_mgr, struct dc_clocks *new_clocks) { bool request_dpp_div = new_clocks->dispclk_khz > new_clocks->dppclk_khz; @@ -232,6 +237,7 @@ static void rv1_enable_pme_wa(struct clk_mgr *clk_mgr_base) } static struct clk_mgr_funcs rv1_clk_funcs = { + .init_clocks = rv1_init_clocks, .get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz, .update_clocks = rv1_update_clocks, .enable_pme_wa = rv1_enable_pme_wa, @@ -246,7 +252,6 @@ void rv1_clk_mgr_construct(struct dc_context *ctx, struct clk_mgr_internal *clk_ { struct dc_debug_options *debug = &ctx->dc->debug; struct dc_bios *bp = ctx->dc_bios; - struct dc_firmware_info fw_info = { { 0 } }; clk_mgr->base.ctx = ctx; clk_mgr->pp_smu = pp_smu; @@ -262,9 +267,8 @@ void rv1_clk_mgr_construct(struct dc_context *ctx, struct clk_mgr_internal *clk_ if (bp->integrated_info) clk_mgr->dentist_vco_freq_khz = bp->integrated_info->dentist_vco_freq; - if (clk_mgr->dentist_vco_freq_khz == 0) { - bp->funcs->get_firmware_info(bp, &fw_info); - clk_mgr->dentist_vco_freq_khz = fw_info.smu_gpu_pll_output_freq; + if (bp->fw_info_valid && clk_mgr->dentist_vco_freq_khz == 0) { + clk_mgr->dentist_vco_freq_khz = bp->fw_info.smu_gpu_pll_output_freq; if (clk_mgr->dentist_vco_freq_khz == 0) clk_mgr->dentist_vco_freq_khz = 3600000; } diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c index 50bfb5921de0..3e8ac303bd52 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c @@ -26,8 +26,6 @@ #include "dccg.h" #include "clk_mgr_internal.h" - -#include "dcn20/dcn20_clk_mgr.h" #include "dce100/dce_clk_mgr.h" #include "reg_helper.h" #include "core_types.h" @@ -106,7 +104,6 @@ void dcn20_update_clocks_update_dpp_dto(struct clk_mgr_internal *clk_mgr, { int i; - clk_mgr->dccg->ref_dppclk = clk_mgr->base.clks.dppclk_khz; for (i = 0; i < clk_mgr->base.ctx->dc->res_pool->pipe_count; i++) { int dpp_inst, dppclk_khz; @@ -116,28 +113,75 @@ void dcn20_update_clocks_update_dpp_dto(struct clk_mgr_internal *clk_mgr, dpp_inst = context->res_ctx.pipe_ctx[i].plane_res.dpp->inst; dppclk_khz = context->res_ctx.pipe_ctx[i].plane_res.bw.dppclk_khz; clk_mgr->dccg->funcs->update_dpp_dto( - clk_mgr->dccg, dpp_inst, dppclk_khz); + clk_mgr->dccg, dpp_inst, dppclk_khz, false); } } -void dcn20_update_clocks_update_dentist(struct clk_mgr_internal *clk_mgr) +static void update_global_dpp_clk(struct clk_mgr_internal *clk_mgr, unsigned int khz) { int dpp_divider = DENTIST_DIVIDER_RANGE_SCALE_FACTOR - * clk_mgr->dentist_vco_freq_khz / clk_mgr->base.clks.dppclk_khz; - int disp_divider = DENTIST_DIVIDER_RANGE_SCALE_FACTOR - * clk_mgr->dentist_vco_freq_khz / clk_mgr->base.clks.dispclk_khz; + * clk_mgr->dentist_vco_freq_khz / khz; uint32_t dppclk_wdivider = dentist_get_did_from_divider(dpp_divider); - uint32_t dispclk_wdivider = dentist_get_did_from_divider(disp_divider); REG_UPDATE(DENTIST_DISPCLK_CNTL, - DENTIST_DISPCLK_WDIVIDER, dispclk_wdivider); -// REG_WAIT(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_CHG_DONE, 1, 5, 100); - REG_UPDATE(DENTIST_DISPCLK_CNTL, DENTIST_DPPCLK_WDIVIDER, dppclk_wdivider); REG_WAIT(DENTIST_DISPCLK_CNTL, DENTIST_DPPCLK_CHG_DONE, 1, 5, 100); } +static void update_display_clk(struct clk_mgr_internal *clk_mgr, unsigned int khz) +{ + int disp_divider = DENTIST_DIVIDER_RANGE_SCALE_FACTOR + * clk_mgr->dentist_vco_freq_khz / khz; + + uint32_t dispclk_wdivider = dentist_get_did_from_divider(disp_divider); + + REG_UPDATE(DENTIST_DISPCLK_CNTL, + DENTIST_DISPCLK_WDIVIDER, dispclk_wdivider); +} + +static void request_voltage_and_program_disp_clk(struct clk_mgr *clk_mgr_base, unsigned int khz) +{ + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + struct dc *dc = clk_mgr_base->ctx->dc; + struct pp_smu_funcs_nv *pp_smu = NULL; + bool going_up = clk_mgr->base.clks.dispclk_khz < khz; + + if (dc->res_pool->pp_smu) + pp_smu = &dc->res_pool->pp_smu->nv_funcs; + + clk_mgr->base.clks.dispclk_khz = khz; + + if (going_up && pp_smu && pp_smu->set_voltage_by_freq) + pp_smu->set_voltage_by_freq(&pp_smu->pp_smu, PP_SMU_NV_DISPCLK, clk_mgr_base->clks.dispclk_khz / 1000); + + update_display_clk(clk_mgr, khz); + + if (!going_up && pp_smu && pp_smu->set_voltage_by_freq) + pp_smu->set_voltage_by_freq(&pp_smu->pp_smu, PP_SMU_NV_DISPCLK, clk_mgr_base->clks.dispclk_khz / 1000); +} + +static void request_voltage_and_program_global_dpp_clk(struct clk_mgr *clk_mgr_base, unsigned int khz) +{ + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + struct dc *dc = clk_mgr_base->ctx->dc; + struct pp_smu_funcs_nv *pp_smu = NULL; + bool going_up = clk_mgr->base.clks.dppclk_khz < khz; + + if (dc->res_pool->pp_smu) + pp_smu = &dc->res_pool->pp_smu->nv_funcs; + + clk_mgr->base.clks.dppclk_khz = khz; + clk_mgr->dccg->ref_dppclk = khz; + + if (going_up && pp_smu && pp_smu->set_voltage_by_freq) + pp_smu->set_voltage_by_freq(&pp_smu->pp_smu, PP_SMU_NV_PIXELCLK, clk_mgr_base->clks.dppclk_khz / 1000); + + update_global_dpp_clk(clk_mgr, khz); + + if (!going_up && pp_smu && pp_smu->set_voltage_by_freq) + pp_smu->set_voltage_by_freq(&pp_smu->pp_smu, PP_SMU_NV_PIXELCLK, clk_mgr_base->clks.dppclk_khz / 1000); +} void dcn2_update_clocks(struct clk_mgr *clk_mgr_base, struct dc_state *context, @@ -148,12 +192,21 @@ void dcn2_update_clocks(struct clk_mgr *clk_mgr_base, struct dc *dc = clk_mgr_base->ctx->dc; struct pp_smu_funcs_nv *pp_smu = NULL; int display_count; - bool update_dppclk = false; bool update_dispclk = false; bool enter_display_off = false; - bool dpp_clock_lowered = false; struct dmcu *dmcu = clk_mgr_base->ctx->dc->res_pool->dmcu; + bool force_reset = false; + int i; + if (dc->work_arounds.skip_clock_update) + return; + + if (clk_mgr_base->clks.dispclk_khz == 0 || + dc->debug.force_clock_mode & 0x1) { + //this is from resume or boot up, if forced_clock cfg option used, we bypass program dispclk and DPPCLK, but need set them for S3. + force_reset = true; + //force_clock_mode 0x1: force reset the clock even it is the same clock as long as it is in Passive level. + } display_count = clk_mgr_helper_get_active_display_cnt(dc, context); if (dc->res_pool->pp_smu) pp_smu = &dc->res_pool->pp_smu->nv_funcs; @@ -172,6 +225,7 @@ void dcn2_update_clocks(struct clk_mgr *clk_mgr_base, pp_smu->set_voltage_by_freq(&pp_smu->pp_smu, PP_SMU_NV_PHYCLK, clk_mgr_base->clks.phyclk_khz / 1000); } + if (dc->debug.force_min_dcfclk_mhz > 0) new_clocks->dcfclk_khz = (new_clocks->dcfclk_khz > (dc->debug.force_min_dcfclk_mhz * 1000)) ? new_clocks->dcfclk_khz : (dc->debug.force_min_dcfclk_mhz * 1000); @@ -196,10 +250,13 @@ void dcn2_update_clocks(struct clk_mgr *clk_mgr_base, } if (should_update_pstate_support(safe_to_lower, new_clocks->p_state_change_support, clk_mgr_base->clks.p_state_change_support)) { + clk_mgr_base->clks.prev_p_state_change_support = clk_mgr_base->clks.p_state_change_support; + clk_mgr_base->clks.p_state_change_support = new_clocks->p_state_change_support; if (pp_smu && pp_smu->set_pstate_handshake_support) pp_smu->set_pstate_handshake_support(&pp_smu->pp_smu, clk_mgr_base->clks.p_state_change_support); } + clk_mgr_base->clks.prev_p_state_change_support = clk_mgr_base->clks.p_state_change_support; if (should_set_clock(safe_to_lower, new_clocks->dramclk_khz, clk_mgr_base->clks.dramclk_khz)) { clk_mgr_base->clks.dramclk_khz = new_clocks->dramclk_khz; @@ -207,35 +264,48 @@ void dcn2_update_clocks(struct clk_mgr *clk_mgr_base, pp_smu->set_hard_min_uclk_by_freq(&pp_smu->pp_smu, clk_mgr_base->clks.dramclk_khz / 1000); } - if (should_set_clock(safe_to_lower, new_clocks->dppclk_khz, clk_mgr->base.clks.dppclk_khz)) { - if (clk_mgr->base.clks.dppclk_khz > new_clocks->dppclk_khz) - dpp_clock_lowered = true; - clk_mgr->base.clks.dppclk_khz = new_clocks->dppclk_khz; + if (dc->config.forced_clocks == false) { + // First update display clock + if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, clk_mgr_base->clks.dispclk_khz)) + request_voltage_and_program_disp_clk(clk_mgr_base, new_clocks->dispclk_khz); - if (pp_smu && pp_smu->set_voltage_by_freq) - pp_smu->set_voltage_by_freq(&pp_smu->pp_smu, PP_SMU_NV_PIXELCLK, clk_mgr_base->clks.dppclk_khz / 1000); + // Updating DPP clock requires some more logic + if (!safe_to_lower) { + // For pre-programming, we need to make sure any DPP clock that will go up has to go up - update_dppclk = true; - } + // First raise the global reference if needed + if (new_clocks->dppclk_khz > clk_mgr_base->clks.dppclk_khz) + request_voltage_and_program_global_dpp_clk(clk_mgr_base, new_clocks->dppclk_khz); - if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, clk_mgr_base->clks.dispclk_khz)) { - clk_mgr_base->clks.dispclk_khz = new_clocks->dispclk_khz; - if (pp_smu && pp_smu->set_voltage_by_freq) - pp_smu->set_voltage_by_freq(&pp_smu->pp_smu, PP_SMU_NV_DISPCLK, clk_mgr_base->clks.dispclk_khz / 1000); + // Then raise any dividers that need raising + for (i = 0; i < clk_mgr->base.ctx->dc->res_pool->pipe_count; i++) { + int dpp_inst, dppclk_khz; - update_dispclk = true; - } - if (dc->config.forced_clocks == false) { - if (dpp_clock_lowered) { - // if clock is being lowered, increase DTO before lowering refclk - dcn20_update_clocks_update_dpp_dto(clk_mgr, context); - dcn20_update_clocks_update_dentist(clk_mgr); + if (!context->res_ctx.pipe_ctx[i].plane_state) + continue; + + dpp_inst = context->res_ctx.pipe_ctx[i].plane_res.dpp->inst; + dppclk_khz = context->res_ctx.pipe_ctx[i].plane_res.bw.dppclk_khz; + + clk_mgr->dccg->funcs->update_dpp_dto(clk_mgr->dccg, dpp_inst, dppclk_khz, true); + } } else { - // if clock is being raised, increase refclk before lowering DTO - if (update_dppclk || update_dispclk) - dcn20_update_clocks_update_dentist(clk_mgr); - if (update_dppclk) - dcn20_update_clocks_update_dpp_dto(clk_mgr, context); + // For post-programming, we can lower ref clk if needed, and unconditionally set all the DTOs + + if (new_clocks->dppclk_khz < clk_mgr_base->clks.dppclk_khz) + request_voltage_and_program_global_dpp_clk(clk_mgr_base, new_clocks->dppclk_khz); + + for (i = 0; i < clk_mgr->base.ctx->dc->res_pool->pipe_count; i++) { + int dpp_inst, dppclk_khz; + + if (!context->res_ctx.pipe_ctx[i].plane_state) + continue; + + dpp_inst = context->res_ctx.pipe_ctx[i].plane_res.dpp->inst; + dppclk_khz = context->res_ctx.pipe_ctx[i].plane_res.bw.dppclk_khz; + + clk_mgr->dccg->funcs->update_dpp_dto(clk_mgr->dccg, dpp_inst, dppclk_khz, false); + } } } if (update_dispclk && @@ -303,6 +373,7 @@ void dcn2_init_clocks(struct clk_mgr *clk_mgr) memset(&(clk_mgr->clks), 0, sizeof(struct dc_clocks)); // Assumption is that boot state always supports pstate clk_mgr->clks.p_state_change_support = true; + clk_mgr->clks.prev_p_state_change_support = true; } void dcn2_enable_pme_wa(struct clk_mgr *clk_mgr_base) @@ -318,11 +389,32 @@ void dcn2_enable_pme_wa(struct clk_mgr *clk_mgr_base) } } +void dcn2_get_clock(struct clk_mgr *clk_mgr, + struct dc_state *context, + enum dc_clock_type clock_type, + struct dc_clock_config *clock_cfg) +{ + + if (clock_type == DC_CLOCK_TYPE_DISPCLK) { + clock_cfg->max_clock_khz = context->bw_ctx.bw.dcn.clk.max_supported_dispclk_khz; + clock_cfg->min_clock_khz = DCN_MINIMUM_DISPCLK_Khz; + clock_cfg->current_clock_khz = clk_mgr->clks.dispclk_khz; + clock_cfg->bw_requirequired_clock_khz = context->bw_ctx.bw.dcn.clk.bw_dispclk_khz; + } + if (clock_type == DC_CLOCK_TYPE_DPPCLK) { + clock_cfg->max_clock_khz = context->bw_ctx.bw.dcn.clk.max_supported_dppclk_khz; + clock_cfg->min_clock_khz = DCN_MINIMUM_DPPCLK_Khz; + clock_cfg->current_clock_khz = clk_mgr->clks.dppclk_khz; + clock_cfg->bw_requirequired_clock_khz = context->bw_ctx.bw.dcn.clk.bw_dppclk_khz; + } +} + static struct clk_mgr_funcs dcn2_funcs = { .get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz, .update_clocks = dcn2_update_clocks, .init_clocks = dcn2_init_clocks, - .enable_pme_wa = dcn2_enable_pme_wa + .enable_pme_wa = dcn2_enable_pme_wa, + .get_clock = dcn2_get_clock, }; diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.h b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.h index 5661a5a89847..ac31a9787305 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.h +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.h @@ -45,4 +45,9 @@ void dcn20_clk_mgr_construct(struct dc_context *ctx, uint32_t dentist_get_did_from_divider(int divider); +void dcn2_get_clock(struct clk_mgr *clk_mgr, + struct dc_state *context, + enum dc_clock_type clock_type, + struct dc_clock_config *clock_cfg); + #endif //__DCN20_CLK_MGR_H__ diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c new file mode 100644 index 000000000000..787f94d815f4 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c @@ -0,0 +1,590 @@ +/* + * Copyright 2018 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#include "dccg.h" +#include "clk_mgr_internal.h" + + +#include "dcn20/dcn20_clk_mgr.h" +#include "rn_clk_mgr.h" + + +#include "dce100/dce_clk_mgr.h" +#include "rn_clk_mgr_vbios_smu.h" +#include "reg_helper.h" +#include "core_types.h" +#include "dm_helpers.h" + +#include "atomfirmware.h" +#include "clk/clk_10_0_2_offset.h" +#include "clk/clk_10_0_2_sh_mask.h" +#include "renoir_ip_offset.h" + + +/* Constants */ + +#define LPDDR_MEM_RETRAIN_LATENCY 4.977 /* Number obtained from LPDDR4 Training Counter Requirement doc */ + +/* Macros */ + +#define REG(reg_name) \ + (CLK_BASE.instance[0].segment[mm ## reg_name ## _BASE_IDX] + mm ## reg_name) + +void rn_update_clocks(struct clk_mgr *clk_mgr_base, + struct dc_state *context, + bool safe_to_lower) +{ + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + struct dc_clocks *new_clocks = &context->bw_ctx.bw.dcn.clk; + struct dc *dc = clk_mgr_base->ctx->dc; + int display_count; + bool update_dppclk = false; + bool update_dispclk = false; + bool enter_display_off = false; + bool dpp_clock_lowered = false; + struct dmcu *dmcu = clk_mgr_base->ctx->dc->res_pool->dmcu; + + display_count = clk_mgr_helper_get_active_display_cnt(dc, context); + + if (display_count == 0) + enter_display_off = true; + + if (enter_display_off == safe_to_lower) { + rn_vbios_smu_set_display_count(clk_mgr, display_count); + } + + if (should_set_clock(safe_to_lower, new_clocks->phyclk_khz, clk_mgr_base->clks.phyclk_khz)) { + clk_mgr_base->clks.phyclk_khz = new_clocks->phyclk_khz; + rn_vbios_smu_set_phyclk(clk_mgr, clk_mgr_base->clks.phyclk_khz); + } + + if (should_set_clock(safe_to_lower, new_clocks->dcfclk_khz, clk_mgr_base->clks.dcfclk_khz)) { + clk_mgr_base->clks.dcfclk_khz = new_clocks->dcfclk_khz; + rn_vbios_smu_set_hard_min_dcfclk(clk_mgr, clk_mgr_base->clks.dcfclk_khz); + } + + if (should_set_clock(safe_to_lower, + new_clocks->dcfclk_deep_sleep_khz, clk_mgr_base->clks.dcfclk_deep_sleep_khz)) { + clk_mgr_base->clks.dcfclk_deep_sleep_khz = new_clocks->dcfclk_deep_sleep_khz; + rn_vbios_smu_set_min_deep_sleep_dcfclk(clk_mgr, clk_mgr_base->clks.dcfclk_deep_sleep_khz); + } + + if (should_set_clock(safe_to_lower, new_clocks->dppclk_khz, clk_mgr->base.clks.dppclk_khz)) { + if (clk_mgr->base.clks.dppclk_khz > new_clocks->dppclk_khz) + dpp_clock_lowered = true; + clk_mgr_base->clks.dppclk_khz = new_clocks->dppclk_khz; + update_dppclk = true; + } + + if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, clk_mgr_base->clks.dispclk_khz)) { + clk_mgr_base->clks.dispclk_khz = new_clocks->dispclk_khz; + rn_vbios_smu_set_dispclk(clk_mgr, clk_mgr_base->clks.dispclk_khz); + + update_dispclk = true; + } + + if (dpp_clock_lowered) { + // if clock is being lowered, increase DTO before lowering refclk + dcn20_update_clocks_update_dpp_dto(clk_mgr, context); + rn_vbios_smu_set_dppclk(clk_mgr, clk_mgr_base->clks.dppclk_khz); + } else { + // if clock is being raised, increase refclk before lowering DTO + if (update_dppclk || update_dispclk) + rn_vbios_smu_set_dppclk(clk_mgr, clk_mgr_base->clks.dppclk_khz); + if (update_dppclk) + dcn20_update_clocks_update_dpp_dto(clk_mgr, context); + } + + if (update_dispclk && + dmcu && dmcu->funcs->is_dmcu_initialized(dmcu)) { + /*update dmcu for wait_loop count*/ + dmcu->funcs->set_psr_wait_loop(dmcu, + clk_mgr_base->clks.dispclk_khz / 1000 / 7); + } +} + + +static int get_vco_frequency_from_reg(struct clk_mgr_internal *clk_mgr) +{ + /* get FbMult value */ + struct fixed31_32 pll_req; + unsigned int fbmult_frac_val = 0; + unsigned int fbmult_int_val = 0; + + + /* + * Register value of fbmult is in 8.16 format, we are converting to 31.32 + * to leverage the fix point operations available in driver + */ + + REG_GET(CLK1_CLK_PLL_REQ, FbMult_frac, &fbmult_frac_val); /* 16 bit fractional part*/ + REG_GET(CLK1_CLK_PLL_REQ, FbMult_int, &fbmult_int_val); /* 8 bit integer part */ + + pll_req = dc_fixpt_from_int(fbmult_int_val); + + /* + * since fractional part is only 16 bit in register definition but is 32 bit + * in our fix point definiton, need to shift left by 16 to obtain correct value + */ + pll_req.value |= fbmult_frac_val << 16; + + /* multiply by REFCLK period */ + pll_req = dc_fixpt_mul_int(pll_req, clk_mgr->dfs_ref_freq_khz); + + /* integer part is now VCO frequency in kHz */ + return dc_fixpt_floor(pll_req); +} + +static void rn_dump_clk_registers_internal(struct rn_clk_internal *internal, struct clk_mgr *clk_mgr_base) +{ + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + + internal->CLK1_CLK3_CURRENT_CNT = REG_READ(CLK1_CLK3_CURRENT_CNT); + internal->CLK1_CLK3_BYPASS_CNTL = REG_READ(CLK1_CLK3_BYPASS_CNTL); + + internal->CLK1_CLK3_DS_CNTL = REG_READ(CLK1_CLK3_DS_CNTL); //dcf deep sleep divider + internal->CLK1_CLK3_ALLOW_DS = REG_READ(CLK1_CLK3_ALLOW_DS); + + internal->CLK1_CLK1_CURRENT_CNT = REG_READ(CLK1_CLK1_CURRENT_CNT); + internal->CLK1_CLK1_BYPASS_CNTL = REG_READ(CLK1_CLK1_BYPASS_CNTL); + + internal->CLK1_CLK2_CURRENT_CNT = REG_READ(CLK1_CLK2_CURRENT_CNT); + internal->CLK1_CLK2_BYPASS_CNTL = REG_READ(CLK1_CLK2_BYPASS_CNTL); + + internal->CLK1_CLK0_CURRENT_CNT = REG_READ(CLK1_CLK0_CURRENT_CNT); + internal->CLK1_CLK0_BYPASS_CNTL = REG_READ(CLK1_CLK0_BYPASS_CNTL); +} + +/* This function collect raw clk register values */ +static void rn_dump_clk_registers(struct clk_state_registers_and_bypass *regs_and_bypass, + struct clk_mgr *clk_mgr_base, struct clk_log_info *log_info) +{ + struct rn_clk_internal internal = {0}; + char *bypass_clks[5] = {"0x0 DFS", "0x1 REFCLK", "0x2 ERROR", "0x3 400 FCH", "0x4 600 FCH"}; + unsigned int chars_printed = 0; + unsigned int remaining_buffer = log_info->bufSize; + + rn_dump_clk_registers_internal(&internal, clk_mgr_base); + + regs_and_bypass->dcfclk = internal.CLK1_CLK3_CURRENT_CNT / 10; + regs_and_bypass->dcf_deep_sleep_divider = internal.CLK1_CLK3_DS_CNTL / 10; + regs_and_bypass->dcf_deep_sleep_allow = internal.CLK1_CLK3_ALLOW_DS; + regs_and_bypass->dprefclk = internal.CLK1_CLK2_CURRENT_CNT / 10; + regs_and_bypass->dispclk = internal.CLK1_CLK0_CURRENT_CNT / 10; + regs_and_bypass->dppclk = internal.CLK1_CLK1_CURRENT_CNT / 10; + + regs_and_bypass->dppclk_bypass = internal.CLK1_CLK1_BYPASS_CNTL & 0x0007; + if (regs_and_bypass->dppclk_bypass < 0 || regs_and_bypass->dppclk_bypass > 4) + regs_and_bypass->dppclk_bypass = 0; + regs_and_bypass->dcfclk_bypass = internal.CLK1_CLK3_BYPASS_CNTL & 0x0007; + if (regs_and_bypass->dcfclk_bypass < 0 || regs_and_bypass->dcfclk_bypass > 4) + regs_and_bypass->dcfclk_bypass = 0; + regs_and_bypass->dispclk_bypass = internal.CLK1_CLK0_BYPASS_CNTL & 0x0007; + if (regs_and_bypass->dispclk_bypass < 0 || regs_and_bypass->dispclk_bypass > 4) + regs_and_bypass->dispclk_bypass = 0; + regs_and_bypass->dprefclk_bypass = internal.CLK1_CLK2_BYPASS_CNTL & 0x0007; + if (regs_and_bypass->dprefclk_bypass < 0 || regs_and_bypass->dprefclk_bypass > 4) + regs_and_bypass->dprefclk_bypass = 0; + + if (log_info->enabled) { + chars_printed = snprintf_count(log_info->pBuf, remaining_buffer, "clk_type,clk_value,deepsleep_cntl,deepsleep_allow,bypass\n"); + remaining_buffer -= chars_printed; + *log_info->sum_chars_printed += chars_printed; + log_info->pBuf += chars_printed; + + chars_printed = snprintf_count(log_info->pBuf, remaining_buffer, "dcfclk,%d,%d,%d,%s\n", + regs_and_bypass->dcfclk, + regs_and_bypass->dcf_deep_sleep_divider, + regs_and_bypass->dcf_deep_sleep_allow, + bypass_clks[(int) regs_and_bypass->dcfclk_bypass]); + remaining_buffer -= chars_printed; + *log_info->sum_chars_printed += chars_printed; + log_info->pBuf += chars_printed; + + chars_printed = snprintf_count(log_info->pBuf, remaining_buffer, "dprefclk,%d,N/A,N/A,%s\n", + regs_and_bypass->dprefclk, + bypass_clks[(int) regs_and_bypass->dprefclk_bypass]); + remaining_buffer -= chars_printed; + *log_info->sum_chars_printed += chars_printed; + log_info->pBuf += chars_printed; + + chars_printed = snprintf_count(log_info->pBuf, remaining_buffer, "dispclk,%d,N/A,N/A,%s\n", + regs_and_bypass->dispclk, + bypass_clks[(int) regs_and_bypass->dispclk_bypass]); + remaining_buffer -= chars_printed; + *log_info->sum_chars_printed += chars_printed; + log_info->pBuf += chars_printed; + + //split + chars_printed = snprintf_count(log_info->pBuf, remaining_buffer, "SPLIT\n"); + remaining_buffer -= chars_printed; + *log_info->sum_chars_printed += chars_printed; + log_info->pBuf += chars_printed; + + // REGISTER VALUES + chars_printed = snprintf_count(log_info->pBuf, remaining_buffer, "reg_name,value,clk_type\n"); + remaining_buffer -= chars_printed; + *log_info->sum_chars_printed += chars_printed; + log_info->pBuf += chars_printed; + + chars_printed = snprintf_count(log_info->pBuf, remaining_buffer, "CLK1_CLK3_CURRENT_CNT,%d,dcfclk\n", + internal.CLK1_CLK3_CURRENT_CNT); + remaining_buffer -= chars_printed; + *log_info->sum_chars_printed += chars_printed; + log_info->pBuf += chars_printed; + + chars_printed = snprintf_count(log_info->pBuf, remaining_buffer, "CLK1_CLK3_DS_CNTL,%d,dcf_deep_sleep_divider\n", + internal.CLK1_CLK3_DS_CNTL); + remaining_buffer -= chars_printed; + *log_info->sum_chars_printed += chars_printed; + log_info->pBuf += chars_printed; + + chars_printed = snprintf_count(log_info->pBuf, remaining_buffer, "CLK1_CLK3_ALLOW_DS,%d,dcf_deep_sleep_allow\n", + internal.CLK1_CLK3_ALLOW_DS); + remaining_buffer -= chars_printed; + *log_info->sum_chars_printed += chars_printed; + log_info->pBuf += chars_printed; + + chars_printed = snprintf_count(log_info->pBuf, remaining_buffer, "CLK1_CLK2_CURRENT_CNT,%d,dprefclk\n", + internal.CLK1_CLK2_CURRENT_CNT); + remaining_buffer -= chars_printed; + *log_info->sum_chars_printed += chars_printed; + log_info->pBuf += chars_printed; + + chars_printed = snprintf_count(log_info->pBuf, remaining_buffer, "CLK1_CLK0_CURRENT_CNT,%d,dispclk\n", + internal.CLK1_CLK0_CURRENT_CNT); + remaining_buffer -= chars_printed; + *log_info->sum_chars_printed += chars_printed; + log_info->pBuf += chars_printed; + + chars_printed = snprintf_count(log_info->pBuf, remaining_buffer, "CLK1_CLK1_CURRENT_CNT,%d,dppclk\n", + internal.CLK1_CLK1_CURRENT_CNT); + remaining_buffer -= chars_printed; + *log_info->sum_chars_printed += chars_printed; + log_info->pBuf += chars_printed; + + chars_printed = snprintf_count(log_info->pBuf, remaining_buffer, "CLK1_CLK3_BYPASS_CNTL,%d,dcfclk_bypass\n", + internal.CLK1_CLK3_BYPASS_CNTL); + remaining_buffer -= chars_printed; + *log_info->sum_chars_printed += chars_printed; + log_info->pBuf += chars_printed; + + chars_printed = snprintf_count(log_info->pBuf, remaining_buffer, "CLK1_CLK2_BYPASS_CNTL,%d,dprefclk_bypass\n", + internal.CLK1_CLK2_BYPASS_CNTL); + remaining_buffer -= chars_printed; + *log_info->sum_chars_printed += chars_printed; + log_info->pBuf += chars_printed; + + chars_printed = snprintf_count(log_info->pBuf, remaining_buffer, "CLK1_CLK0_BYPASS_CNTL,%d,dispclk_bypass\n", + internal.CLK1_CLK0_BYPASS_CNTL); + remaining_buffer -= chars_printed; + *log_info->sum_chars_printed += chars_printed; + log_info->pBuf += chars_printed; + + chars_printed = snprintf_count(log_info->pBuf, remaining_buffer, "CLK1_CLK1_BYPASS_CNTL,%d,dppclk_bypass\n", + internal.CLK1_CLK1_BYPASS_CNTL); + remaining_buffer -= chars_printed; + *log_info->sum_chars_printed += chars_printed; + log_info->pBuf += chars_printed; + } +} + +/* This function produce translated logical clk state values*/ +void rn_get_clk_states(struct clk_mgr *clk_mgr_base, struct clk_states *s) +{ + struct clk_state_registers_and_bypass sb = { 0 }; + struct clk_log_info log_info = { 0 }; + + rn_dump_clk_registers(&sb, clk_mgr_base, &log_info); + + s->dprefclk_khz = sb.dprefclk; +} + +void rn_enable_pme_wa(struct clk_mgr *clk_mgr_base) +{ + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + + rn_vbios_smu_enable_pme_wa(clk_mgr); +} + +static struct clk_mgr_funcs dcn21_funcs = { + .get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz, + .update_clocks = rn_update_clocks, + .init_clocks = dcn2_init_clocks, + .enable_pme_wa = rn_enable_pme_wa, + /* .dump_clk_registers = rn_dump_clk_registers */ +}; + +struct clk_bw_params rn_bw_params = { + .vram_type = Ddr4MemType, + .num_channels = 1, + .clk_table = { + .entries = { + { + .voltage = 0, + .dcfclk_mhz = 400, + .fclk_mhz = 400, + .memclk_mhz = 800, + .socclk_mhz = 0, + }, + { + .voltage = 0, + .dcfclk_mhz = 483, + .fclk_mhz = 800, + .memclk_mhz = 1600, + .socclk_mhz = 0, + }, + { + .voltage = 0, + .dcfclk_mhz = 602, + .fclk_mhz = 1067, + .memclk_mhz = 1067, + .socclk_mhz = 0, + }, + { + .voltage = 0, + .dcfclk_mhz = 738, + .fclk_mhz = 1333, + .memclk_mhz = 1600, + .socclk_mhz = 0, + }, + }, + + .num_entries = 4, + }, + + .wm_table = { + .entries = { + { + .wm_inst = WM_A, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 23.84, + .valid = true, + }, + { + .wm_inst = WM_B, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 23.84, + .valid = true, + }, + { + .wm_inst = WM_C, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 23.84, + .valid = true, + }, + { + .wm_inst = WM_D, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 23.84, + .valid = true, + }, + }, + } +}; + +void build_watermark_ranges(struct clk_bw_params *bw_params, struct pp_smu_wm_range_sets *ranges) +{ + int i, num_valid_sets; + + num_valid_sets = 0; + + for (i = 0; i < WM_SET_COUNT; i++) { + /* skip empty entries, the smu array has no holes*/ + if (!bw_params->wm_table.entries[i].valid) + continue; + + ranges->reader_wm_sets[num_valid_sets].wm_inst = bw_params->wm_table.entries[i].wm_inst; + ranges->reader_wm_sets[num_valid_sets].wm_type = bw_params->wm_table.entries[i].wm_type;; + /* We will not select WM based on dcfclk, so leave it as unconstrained */ + ranges->reader_wm_sets[num_valid_sets].min_drain_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MIN; + ranges->reader_wm_sets[num_valid_sets].max_drain_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX; + /* fclk wil be used to select WM*/ + + if (ranges->reader_wm_sets[num_valid_sets].wm_type == WM_TYPE_PSTATE_CHG) { + if (i == 0) + ranges->reader_wm_sets[num_valid_sets].min_fill_clk_mhz = 0; + else { + /* add 1 to make it non-overlapping with next lvl */ + ranges->reader_wm_sets[num_valid_sets].min_fill_clk_mhz = bw_params->clk_table.entries[i - 1].fclk_mhz + 1; + } + ranges->reader_wm_sets[num_valid_sets].max_fill_clk_mhz = bw_params->clk_table.entries[i].fclk_mhz; + + } else { + /* unconstrained for memory retraining */ + ranges->reader_wm_sets[num_valid_sets].min_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MIN; + ranges->reader_wm_sets[num_valid_sets].max_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX; + + /* Modify previous watermark range to cover up to max */ + ranges->reader_wm_sets[num_valid_sets - 1].max_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX; + } + num_valid_sets++; + } + + ASSERT(num_valid_sets != 0); /* Must have at least one set of valid watermarks */ + ranges->num_reader_wm_sets = num_valid_sets; + + /* modify the min and max to make sure we cover the whole range*/ + ranges->reader_wm_sets[0].min_drain_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MIN; + ranges->reader_wm_sets[0].min_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MIN; + ranges->reader_wm_sets[ranges->num_reader_wm_sets - 1].max_drain_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX; + ranges->reader_wm_sets[ranges->num_reader_wm_sets - 1].max_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX; + + /* This is for writeback only, does not matter currently as no writeback support*/ + ranges->num_writer_wm_sets = 1; + ranges->writer_wm_sets[0].wm_inst = WM_A; + ranges->writer_wm_sets[0].min_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MIN; + ranges->writer_wm_sets[0].max_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX; + ranges->writer_wm_sets[0].min_drain_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MIN; + ranges->writer_wm_sets[0].max_drain_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX; + +} + +void clk_mgr_helper_populate_bw_params(struct clk_bw_params *bw_params, struct dpm_clocks *clock_table, struct hw_asic_id *asic_id) +{ + int i; + + ASSERT(PP_SMU_NUM_FCLK_DPM_LEVELS <= MAX_NUM_DPM_LVL); + + for (i = 0; i < PP_SMU_NUM_FCLK_DPM_LEVELS; i++) { + if (clock_table->FClocks[i].Freq == 0) + break; + + bw_params->clk_table.entries[i].dcfclk_mhz = clock_table->DcfClocks[i].Freq; + bw_params->clk_table.entries[i].fclk_mhz = clock_table->FClocks[i].Freq; + bw_params->clk_table.entries[i].memclk_mhz = clock_table->MemClocks[i].Freq; + bw_params->clk_table.entries[i].socclk_mhz = clock_table->SocClocks[i].Freq; + bw_params->clk_table.entries[i].voltage = clock_table->FClocks[i].Vol; + } + bw_params->clk_table.num_entries = i; + + bw_params->vram_type = asic_id->vram_type; + bw_params->num_channels = asic_id->vram_width / DDR4_DRAM_WIDTH; + + for (i = 0; i < WM_SET_COUNT; i++) { + bw_params->wm_table.entries[i].wm_inst = i; + + if (clock_table->FClocks[i].Freq == 0) { + bw_params->wm_table.entries[i].valid = false; + continue; + } + + bw_params->wm_table.entries[i].wm_type = WM_TYPE_PSTATE_CHG; + bw_params->wm_table.entries[i].valid = true; + } + + if (bw_params->vram_type == LpDdr4MemType) { + /* + * WM set D will be re-purposed for memory retraining + */ + bw_params->wm_table.entries[WM_D].pstate_latency_us = LPDDR_MEM_RETRAIN_LATENCY; + bw_params->wm_table.entries[WM_D].wm_inst = WM_D; + bw_params->wm_table.entries[WM_D].wm_type = WM_TYPE_RETRAINING; + bw_params->wm_table.entries[WM_D].valid = true; + } + +} + +void rn_clk_mgr_construct( + struct dc_context *ctx, + struct clk_mgr_internal *clk_mgr, + struct pp_smu_funcs *pp_smu, + struct dccg *dccg) +{ + struct dc_debug_options *debug = &ctx->dc->debug; + struct dpm_clocks clock_table = { 0 }; + struct clk_state_registers_and_bypass s = { 0 }; + + clk_mgr->base.ctx = ctx; + clk_mgr->base.funcs = &dcn21_funcs; + + clk_mgr->pp_smu = pp_smu; + + clk_mgr->dccg = dccg; + clk_mgr->dfs_bypass_disp_clk = 0; + + clk_mgr->dprefclk_ss_percentage = 0; + clk_mgr->dprefclk_ss_divider = 1000; + clk_mgr->ss_on_dprefclk = false; + clk_mgr->dfs_ref_freq_khz = 48000; + + clk_mgr->smu_ver = rn_vbios_smu_get_smu_version(clk_mgr); + + if (IS_FPGA_MAXIMUS_DC(ctx->dce_environment)) { + dcn21_funcs.update_clocks = dcn2_update_clocks_fpga; + clk_mgr->dentist_vco_freq_khz = 3600000; + clk_mgr->base.dprefclk_khz = 600000; + } else { + struct clk_log_info log_info = {0}; + + /* TODO: Check we get what we expect during bringup */ + clk_mgr->dentist_vco_freq_khz = get_vco_frequency_from_reg(clk_mgr); + + /* in case we don't get a value from the register, use default */ + if (clk_mgr->dentist_vco_freq_khz == 0) + clk_mgr->dentist_vco_freq_khz = 3600000; + + rn_dump_clk_registers(&s, &clk_mgr->base, &log_info); + clk_mgr->base.dprefclk_khz = s.dprefclk; + + if (clk_mgr->base.dprefclk_khz != 600000) { + clk_mgr->base.dprefclk_khz = 600000; + ASSERT(1); //TODO: Renoir follow up. + } + + /* in case we don't get a value from the register, use default */ + if (clk_mgr->base.dprefclk_khz == 0) + clk_mgr->base.dprefclk_khz = 600000; + } + + dce_clock_read_ss_info(clk_mgr); + + clk_mgr->base.bw_params = &rn_bw_params; + + if (pp_smu) { + pp_smu->rn_funcs.get_dpm_clock_table(&pp_smu->rn_funcs.pp_smu, &clock_table); + clk_mgr_helper_populate_bw_params(clk_mgr->base.bw_params, &clock_table, &ctx->asic_id); + } + + /* + * Notify SMU which set of WM should be selected for different ranges of fclk + * On Renoir there is a maximumum of 4 DF pstates supported, could be less + * depending on DDR speed and fused maximum fclk. + */ + if (!debug->disable_pplib_wm_range) { + struct pp_smu_wm_range_sets ranges = {0}; + + build_watermark_ranges(clk_mgr->base.bw_params, &ranges); + + /* Notify PP Lib/SMU which Watermarks to use for which clock ranges */ + if (pp_smu && pp_smu->rn_funcs.set_wm_ranges) + pp_smu->rn_funcs.set_wm_ranges(&pp_smu->rn_funcs.pp_smu, &ranges); + } + + /* enable powerfeatures when displaycount goes to 0 */ + if (!debug->disable_48mhz_pwrdwn) + rn_vbios_smu_enable_48mhz_tmdp_refclk_pwrdwn(clk_mgr); +} + diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.h b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.h new file mode 100644 index 000000000000..aadec06fde10 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.h @@ -0,0 +1,39 @@ +/* + * Copyright 2018 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#ifndef __RN_CLK_MGR_H__ +#define __RN_CLK_MGR_H__ + +struct rn_clk_registers { + uint32_t CLK1_CLK0_CURRENT_CNT; /* DPREFCLK */ +}; + + +void rn_clk_mgr_construct(struct dc_context *ctx, + struct clk_mgr_internal *clk_mgr, + struct pp_smu_funcs *pp_smu, + struct dccg *dccg); + +#endif //__RN_CLK_MGR_H__ diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c new file mode 100644 index 000000000000..50984c1811bb --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c @@ -0,0 +1,200 @@ +/* + * Copyright 2012-16 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#include "core_types.h" +#include "clk_mgr_internal.h" +#include "reg_helper.h" + +#include "renoir_ip_offset.h" + +#include "mp/mp_12_0_0_offset.h" +#include "mp/mp_12_0_0_sh_mask.h" + +#define REG(reg_name) \ + (MP1_BASE.instance[0].segment[mm ## reg_name ## _BASE_IDX] + mm ## reg_name) + +#define FN(reg_name, field) \ + FD(reg_name##__##field) + +#define VBIOSSMC_MSG_TestMessage 0x1 +#define VBIOSSMC_MSG_GetSmuVersion 0x2 +#define VBIOSSMC_MSG_PowerUpGfx 0x3 +#define VBIOSSMC_MSG_SetDispclkFreq 0x4 +#define VBIOSSMC_MSG_SetDprefclkFreq 0x5 +#define VBIOSSMC_MSG_PowerDownGfx 0x6 +#define VBIOSSMC_MSG_SetDppclkFreq 0x7 +#define VBIOSSMC_MSG_SetHardMinDcfclkByFreq 0x8 +#define VBIOSSMC_MSG_SetMinDeepSleepDcfclk 0x9 +#define VBIOSSMC_MSG_SetPhyclkVoltageByFreq 0xA +#define VBIOSSMC_MSG_GetFclkFrequency 0xB +#define VBIOSSMC_MSG_SetDisplayCount 0xC +#define VBIOSSMC_MSG_EnableTmdp48MHzRefclkPwrDown 0xD +#define VBIOSSMC_MSG_UpdatePmeRestore 0xE + +int rn_vbios_smu_send_msg_with_param(struct clk_mgr_internal *clk_mgr, unsigned int msg_id, unsigned int param) +{ + /* First clear response register */ + REG_WRITE(MP1_SMN_C2PMSG_91, 0); + + /* Set the parameter register for the SMU message, unit is Mhz */ + REG_WRITE(MP1_SMN_C2PMSG_83, param); + + /* Trigger the message transaction by writing the message ID */ + REG_WRITE(MP1_SMN_C2PMSG_67, msg_id); + + REG_WAIT(MP1_SMN_C2PMSG_91, CONTENT, 1, 10, 200000); + + /* Actual dispclk set is returned in the parameter register */ + return REG_READ(MP1_SMN_C2PMSG_83); +} + +int rn_vbios_smu_get_smu_version(struct clk_mgr_internal *clk_mgr) +{ + return rn_vbios_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_GetSmuVersion, + 0); +} + + +int rn_vbios_smu_set_dispclk(struct clk_mgr_internal *clk_mgr, int requested_dispclk_khz) +{ + int actual_dispclk_set_mhz = -1; + struct dc *core_dc = clk_mgr->base.ctx->dc; + struct dmcu *dmcu = core_dc->res_pool->dmcu; + uint32_t clk = requested_dispclk_khz / 1000; + + if (clk <= 100) + clk = 101; + + /* Unit of SMU msg parameter is Mhz */ + actual_dispclk_set_mhz = rn_vbios_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_SetDispclkFreq, + clk); + + if (!IS_FPGA_MAXIMUS_DC(core_dc->ctx->dce_environment)) { + if (dmcu && dmcu->funcs->is_dmcu_initialized(dmcu)) { + if (clk_mgr->dfs_bypass_disp_clk != actual_dispclk_set_mhz) + dmcu->funcs->set_psr_wait_loop(dmcu, + actual_dispclk_set_mhz / 7); + } + } + + return actual_dispclk_set_mhz * 1000; +} + +int rn_vbios_smu_set_dprefclk(struct clk_mgr_internal *clk_mgr) +{ + int actual_dprefclk_set_mhz = -1; + + actual_dprefclk_set_mhz = rn_vbios_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_SetDprefclkFreq, + clk_mgr->base.dprefclk_khz / 1000); + + /* TODO: add code for programing DP DTO, currently this is down by command table */ + + return actual_dprefclk_set_mhz * 1000; +} + +int rn_vbios_smu_set_hard_min_dcfclk(struct clk_mgr_internal *clk_mgr, int requested_dcfclk_khz) +{ + int actual_dcfclk_set_mhz = -1; + + if (clk_mgr->smu_ver < 0xFFFFFFFF) + return actual_dcfclk_set_mhz; + + actual_dcfclk_set_mhz = rn_vbios_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_SetHardMinDcfclkByFreq, + requested_dcfclk_khz / 1000); + + return actual_dcfclk_set_mhz * 1000; +} + +int rn_vbios_smu_set_min_deep_sleep_dcfclk(struct clk_mgr_internal *clk_mgr, int requested_min_ds_dcfclk_khz) +{ + int actual_min_ds_dcfclk_mhz = -1; + + if (clk_mgr->smu_ver < 0xFFFFFFFF) + return actual_min_ds_dcfclk_mhz; + + actual_min_ds_dcfclk_mhz = rn_vbios_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_SetMinDeepSleepDcfclk, + requested_min_ds_dcfclk_khz / 1000); + + return actual_min_ds_dcfclk_mhz * 1000; +} + +void rn_vbios_smu_set_phyclk(struct clk_mgr_internal *clk_mgr, int requested_phyclk_khz) +{ + rn_vbios_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_SetPhyclkVoltageByFreq, + requested_phyclk_khz / 1000); +} + +int rn_vbios_smu_set_dppclk(struct clk_mgr_internal *clk_mgr, int requested_dpp_khz) +{ + int actual_dppclk_set_mhz = -1; + + uint32_t clk = requested_dpp_khz / 1000; + + if (clk <= 100) + clk = 101; + + actual_dppclk_set_mhz = rn_vbios_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_SetDppclkFreq, + clk); + + return actual_dppclk_set_mhz * 1000; +} + +void rn_vbios_smu_set_display_count(struct clk_mgr_internal *clk_mgr, int display_count) +{ + rn_vbios_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_SetDisplayCount, + display_count); +} + +void rn_vbios_smu_enable_48mhz_tmdp_refclk_pwrdwn(struct clk_mgr_internal *clk_mgr) +{ + rn_vbios_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_EnableTmdp48MHzRefclkPwrDown, + 0); +} + +void rn_vbios_smu_enable_pme_wa(struct clk_mgr_internal *clk_mgr) +{ + rn_vbios_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_UpdatePmeRestore, + 0); +} diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.h b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.h new file mode 100644 index 000000000000..da3a49487c6d --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.h @@ -0,0 +1,40 @@ +/* + * Copyright 2018 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#ifndef DAL_DC_RN_CLK_MGR_VBIOS_SMU_H_ +#define DAL_DC_RN_CLK_MGR_VBIOS_SMU_H_ + +int rn_vbios_smu_get_smu_version(struct clk_mgr_internal *clk_mgr); +int rn_vbios_smu_set_dispclk(struct clk_mgr_internal *clk_mgr, int requested_dispclk_khz); +int rn_vbios_smu_set_dprefclk(struct clk_mgr_internal *clk_mgr); +int rn_vbios_smu_set_hard_min_dcfclk(struct clk_mgr_internal *clk_mgr, int requested_dcfclk_khz); +int rn_vbios_smu_set_min_deep_sleep_dcfclk(struct clk_mgr_internal *clk_mgr, int requested_min_ds_dcfclk_khz); +void rn_vbios_smu_set_phyclk(struct clk_mgr_internal *clk_mgr, int requested_phyclk_khz); +int rn_vbios_smu_set_dppclk(struct clk_mgr_internal *clk_mgr, int requested_dpp_khz); +void rn_vbios_smu_set_display_count(struct clk_mgr_internal *clk_mgr, int display_count); +void rn_vbios_smu_enable_48mhz_tmdp_refclk_pwrdwn(struct clk_mgr_internal *clk_mgr); +void rn_vbios_smu_enable_pme_wa(struct clk_mgr_internal *clk_mgr); + +#endif /* DAL_DC_DCN10_RV1_CLK_MGR_VBIOS_SMU_H_ */ |