diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/clk_mgr')
13 files changed, 1285 insertions, 70 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..c0f6a8c7de7d 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/Makefile +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/Makefile @@ -63,7 +63,7 @@ CLK_MGR_DCE120 = dce120_clk_mgr.o AMD_DAL_CLK_MGR_DCE120 = $(addprefix $(AMDDALPATH)/dc/clk_mgr/dce120/,$(CLK_MGR_DCE120)) AMD_DISPLAY_FILES += $(AMD_DAL_CLK_MGR_DCE120) -ifdef CONFIG_DRM_AMD_DC_DCN1_0 +ifdef CONFIG_DRM_AMD_DC_DCN ############################################################################### # DCN10 ############################################################################### @@ -72,9 +72,7 @@ CLK_MGR_DCN10 = rv1_clk_mgr.o rv1_clk_mgr_vbios_smu.o rv2_clk_mgr.o AMD_DAL_CLK_MGR_DCN10 = $(addprefix $(AMDDALPATH)/dc/clk_mgr/dcn10/,$(CLK_MGR_DCN10)) AMD_DISPLAY_FILES += $(AMD_DAL_CLK_MGR_DCN10) -endif -ifdef CONFIG_DRM_AMD_DC_DCN2_0 ############################################################################### # DCN20 ############################################################################### @@ -83,5 +81,19 @@ CLK_MGR_DCN20 = dcn20_clk_mgr.o AMD_DAL_CLK_MGR_DCN20 = $(addprefix $(AMDDALPATH)/dc/clk_mgr/dcn20/,$(CLK_MGR_DCN20)) AMD_DISPLAY_FILES += $(AMD_DAL_CLK_MGR_DCN20) + +############################################################################### +# DCN21 +############################################################################### +CLK_MGR_DCN21 = rn_clk_mgr.o rn_clk_mgr_vbios_smu.o + +# prevent build errors regarding soft-float vs hard-float FP ABI tags +# this code is currently unused on ppc64, as it applies to Renoir APUs only +ifdef CONFIG_PPC64 +CFLAGS_$(AMDDALPATH)/dc/clk_mgr/dcn21/rn_clk_mgr.o := $(call cc-option,-mno-gnu-attribute) endif +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..a78e5c74c79c 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 +37,7 @@ #include "dcn10/rv1_clk_mgr.h" #include "dcn10/rv2_clk_mgr.h" #include "dcn20/dcn20_clk_mgr.h" +#include "dcn21/rn_clk_mgr.h" int clk_mgr_helper_get_active_display_cnt( @@ -62,6 +63,31 @@ int clk_mgr_helper_get_active_display_cnt( return display_count; } +void clk_mgr_exit_optimized_pwr_state(const struct dc *dc, struct clk_mgr *clk_mgr) +{ + struct dc_link *edp_link = get_edp_link(dc); + + if (dc->hwss.exit_optimized_pwr_state) + dc->hwss.exit_optimized_pwr_state(dc, dc->current_state); + + if (edp_link) { + clk_mgr->psr_allow_active_cache = edp_link->psr_allow_active; + dc_link_set_psr_allow_active(edp_link, false, false); + } + +} + +void clk_mgr_optimize_pwr_state(const struct dc *dc, struct clk_mgr *clk_mgr) +{ + struct dc_link *edp_link = get_edp_link(dc); + + if (edp_link) + dc_link_set_psr_allow_active(edp_link, clk_mgr->psr_allow_active_cache, false); + + if (dc->hwss.optimize_pwr_state) + dc->hwss.optimize_pwr_state(dc, dc->current_state); + +} struct clk_mgr *dc_clk_mgr_create(struct dc_context *ctx, struct pp_smu_funcs *pp_smu, struct dccg *dccg) { @@ -106,8 +132,19 @@ struct clk_mgr *dc_clk_mgr_create(struct dc_context *ctx, struct pp_smu_funcs *p dce120_clk_mgr_construct(ctx, clk_mgr); break; -#if defined(CONFIG_DRM_AMD_DC_DCN1_0) +#if defined(CONFIG_DRM_AMD_DC_DCN) case FAMILY_RV: + if (ASICREV_IS_DALI(asic_id.hw_internal_rev) || + ASICREV_IS_POLLOCK(asic_id.hw_internal_rev)) { + /* TEMP: this check has to come before ASICREV_IS_RENOIR */ + /* which also incorrectly returns true for Dali/Pollock*/ + rv2_clk_mgr_construct(ctx, clk_mgr, pp_smu); + break; + } + if (ASICREV_IS_RENOIR(asic_id.hw_internal_rev)) { + rn_clk_mgr_construct(ctx, clk_mgr, pp_smu, dccg); + break; + } if (ASICREV_IS_RAVEN2(asic_id.hw_internal_rev)) { rv2_clk_mgr_construct(ctx, clk_mgr, pp_smu); break; @@ -118,13 +155,11 @@ struct clk_mgr *dc_clk_mgr_create(struct dc_context *ctx, struct pp_smu_funcs *p break; } break; -#endif /* Family RV */ -#if defined(CONFIG_DRM_AMD_DC_DCN2_0) case FAMILY_NV: dcn20_clk_mgr_construct(ctx, clk_mgr, pp_smu, dccg); break; -#endif /* Family NV */ +#endif /* Family RV and NV*/ default: ASSERT(0); /* Unknown Asic */ 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..26db1c5d4e4d 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 @@ -147,7 +147,7 @@ int dce_get_dp_ref_freq_khz(struct clk_mgr *clk_mgr_base) /* Calculate the current DFS clock, in kHz.*/ dp_ref_clk_khz = (DENTIST_DIVIDER_RANGE_SCALE_FACTOR - * clk_mgr->dentist_vco_freq_khz) / target_div; + * clk_mgr->base.dentist_vco_freq_khz) / target_div; return dce_adjust_dp_ref_freq_for_ss(clk_mgr, dp_ref_clk_khz); } @@ -239,7 +239,7 @@ int dce_set_clock( /* Make sure requested clock isn't lower than minimum threshold*/ if (requested_clk_khz > 0) requested_clk_khz = max(requested_clk_khz, - clk_mgr_dce->dentist_vco_freq_khz / 64); + clk_mgr_dce->base.dentist_vco_freq_khz / 64); /* Prepare to program display clock*/ pxl_clk_params.target_pixel_clock_100hz = requested_clk_khz * 10; @@ -273,20 +273,14 @@ 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; - 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; - if (clk_mgr_dce->dentist_vco_freq_khz == 0) - clk_mgr_dce->dentist_vco_freq_khz = 3600000; + clk_mgr_dce->base.dentist_vco_freq_khz = bp->integrated_info->dentist_vco_freq; + if (clk_mgr_dce->base.dentist_vco_freq_khz == 0) { + clk_mgr_dce->base.dentist_vco_freq_khz = bp->fw_info.smu_gpu_pll_output_freq; + if (clk_mgr_dce->base.dentist_vco_freq_khz == 0) + clk_mgr_dce->base.dentist_vco_freq_khz = 3600000; } /*update the maximum display clock for each power state*/ @@ -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/dce110/dce110_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce110/dce110_clk_mgr.c index 5cc3acccda2a..b1e657e137a9 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dce110/dce110_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce110/dce110_clk_mgr.c @@ -98,11 +98,14 @@ uint32_t dce110_get_min_vblank_time_us(const struct dc_state *context) struct dc_stream_state *stream = context->streams[j]; uint32_t vertical_blank_in_pixels = 0; uint32_t vertical_blank_time = 0; + uint32_t vertical_total_min = stream->timing.v_total; + struct dc_crtc_timing_adjust adjust = stream->adjust; + if (adjust.v_total_max != adjust.v_total_min) + vertical_total_min = adjust.v_total_min; vertical_blank_in_pixels = stream->timing.h_total * - (stream->timing.v_total + (vertical_total_min - stream->timing.v_addressable); - vertical_blank_time = vertical_blank_in_pixels * 10000 / stream->timing.pix_clk_100hz; @@ -171,6 +174,10 @@ void dce11_pplib_apply_display_requirements( struct dc_state *context) { struct dm_pp_display_configuration *pp_display_cfg = &context->pp_display_cfg; + int memory_type_multiplier = MEMORY_TYPE_MULTIPLIER_CZ; + + if (dc->bw_vbios && dc->bw_vbios->memory_type == bw_def_hbm) + memory_type_multiplier = MEMORY_TYPE_HBM; pp_display_cfg->all_displays_in_sync = context->bw_ctx.bw.dce.all_displays_in_sync; @@ -183,8 +190,20 @@ void dce11_pplib_apply_display_requirements( pp_display_cfg->cpu_pstate_separation_time = context->bw_ctx.bw.dce.blackout_recovery_time_us; - pp_display_cfg->min_memory_clock_khz = context->bw_ctx.bw.dce.yclk_khz - / MEMORY_TYPE_MULTIPLIER_CZ; + /* + * TODO: determine whether the bandwidth has reached memory's limitation + * , then change minimum memory clock based on real-time bandwidth + * limitation. + */ + if (ASICREV_IS_VEGA20_P(dc->ctx->asic_id.hw_internal_rev) && (context->stream_count >= 2)) { + pp_display_cfg->min_memory_clock_khz = max(pp_display_cfg->min_memory_clock_khz, + (uint32_t) div64_s64( + div64_s64(dc->bw_vbios->high_yclk.value, + memory_type_multiplier), 10000)); + } else { + pp_display_cfg->min_memory_clock_khz = context->bw_ctx.bw.dce.yclk_khz + / memory_type_multiplier; + } pp_display_cfg->min_engine_clock_khz = determine_sclk_from_bounding_box( dc, diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dce112/dce112_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce112/dce112_clk_mgr.c index 7c746ef1e32e..d031bd3d3072 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dce112/dce112_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce112/dce112_clk_mgr.c @@ -72,8 +72,8 @@ int dce112_set_clock(struct clk_mgr *clk_mgr_base, int requested_clk_khz) struct clk_mgr_internal *clk_mgr_dce = TO_CLK_MGR_INTERNAL(clk_mgr_base); struct bp_set_dce_clock_parameters dce_clk_params; struct dc_bios *bp = clk_mgr_base->ctx->dc_bios; - struct dc *core_dc = clk_mgr_base->ctx->dc; - struct dmcu *dmcu = core_dc->res_pool->dmcu; + struct dc *dc = clk_mgr_base->ctx->dc; + struct dmcu *dmcu = dc->res_pool->dmcu; int actual_clock = requested_clk_khz; /* Prepare to program display clock*/ memset(&dce_clk_params, 0, sizeof(dce_clk_params)); @@ -81,7 +81,7 @@ int dce112_set_clock(struct clk_mgr *clk_mgr_base, int requested_clk_khz) /* Make sure requested clock isn't lower than minimum threshold*/ if (requested_clk_khz > 0) requested_clk_khz = max(requested_clk_khz, - clk_mgr_dce->dentist_vco_freq_khz / 62); + clk_mgr_dce->base.dentist_vco_freq_khz / 62); dce_clk_params.target_clock_frequency = requested_clk_khz; dce_clk_params.pll_id = CLOCK_SOURCE_ID_DFS; @@ -110,7 +110,7 @@ int dce112_set_clock(struct clk_mgr *clk_mgr_base, int requested_clk_khz) bp->funcs->set_dce_clock(bp, &dce_clk_params); - if (!IS_FPGA_MAXIMUS_DC(core_dc->ctx->dce_environment)) { + if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) { if (dmcu && dmcu->funcs->is_dmcu_initialized(dmcu)) { if (clk_mgr_dce->dfs_bypass_disp_clk != actual_clock) dmcu->funcs->set_psr_wait_loop(dmcu, @@ -126,8 +126,8 @@ int dce112_set_dispclk(struct clk_mgr_internal *clk_mgr, int requested_clk_khz) { struct bp_set_dce_clock_parameters dce_clk_params; struct dc_bios *bp = clk_mgr->base.ctx->dc_bios; - struct dc *core_dc = clk_mgr->base.ctx->dc; - struct dmcu *dmcu = core_dc->res_pool->dmcu; + struct dc *dc = clk_mgr->base.ctx->dc; + struct dmcu *dmcu = dc->res_pool->dmcu; int actual_clock = requested_clk_khz; /* Prepare to program display clock*/ memset(&dce_clk_params, 0, sizeof(dce_clk_params)); @@ -135,7 +135,7 @@ int dce112_set_dispclk(struct clk_mgr_internal *clk_mgr, int requested_clk_khz) /* Make sure requested clock isn't lower than minimum threshold*/ if (requested_clk_khz > 0) requested_clk_khz = max(requested_clk_khz, - clk_mgr->dentist_vco_freq_khz / 62); + clk_mgr->base.dentist_vco_freq_khz / 62); dce_clk_params.target_clock_frequency = requested_clk_khz; dce_clk_params.pll_id = CLOCK_SOURCE_ID_DFS; @@ -152,7 +152,7 @@ int dce112_set_dispclk(struct clk_mgr_internal *clk_mgr, int requested_clk_khz) clk_mgr->cur_min_clks_state = DM_PP_CLOCKS_STATE_NOMINAL; - if (!IS_FPGA_MAXIMUS_DC(core_dc->ctx->dce_environment)) { + if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) { if (dmcu && dmcu->funcs->is_dmcu_initialized(dmcu)) { if (clk_mgr->dfs_bypass_disp_clk != actual_clock) dmcu->funcs->set_psr_wait_loop(dmcu, 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..3fab9296918a 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; @@ -134,6 +139,9 @@ static void rv1_update_clocks(struct clk_mgr *clk_mgr_base, ASSERT(clk_mgr->pp_smu); + if (dc->work_arounds.skip_clock_update) + return; + pp_smu = &clk_mgr->pp_smu->rv_funcs; display_count = clk_mgr_helper_get_active_display_cnt(dc, context); @@ -232,6 +240,7 @@ 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 +255,6 @@ 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; @@ -261,12 +269,11 @@ void rv1_clk_mgr_construct(struct dc_context *ctx, struct clk_mgr_internal *clk_ clk_mgr->base.dprefclk_khz = 600000; 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 (clk_mgr->dentist_vco_freq_khz == 0) - clk_mgr->dentist_vco_freq_khz = 3600000; + clk_mgr->base.dentist_vco_freq_khz = bp->integrated_info->dentist_vco_freq; + if (bp->fw_info_valid && clk_mgr->base.dentist_vco_freq_khz == 0) { + clk_mgr->base.dentist_vco_freq_khz = bp->fw_info.smu_gpu_pll_output_freq; + if (clk_mgr->base.dentist_vco_freq_khz == 0) + clk_mgr->base.dentist_vco_freq_khz = 3600000; } if (!debug->disable_dfs_bypass && bp->integrated_info) diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr_vbios_smu.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr_vbios_smu.c index 1897e91c8ccb..97b7f32294fd 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr_vbios_smu.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr_vbios_smu.c @@ -88,8 +88,8 @@ int rv1_vbios_smu_send_msg_with_param(struct clk_mgr_internal *clk_mgr, unsigned int rv1_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; + struct dc *dc = clk_mgr->base.ctx->dc; + struct dmcu *dmcu = dc->res_pool->dmcu; /* Unit of SMU msg parameter is Mhz */ actual_dispclk_set_mhz = rv1_vbios_smu_send_msg_with_param( @@ -100,7 +100,7 @@ int rv1_vbios_smu_set_dispclk(struct clk_mgr_internal *clk_mgr, int requested_di /* Actual dispclk set is returned in the parameter register */ actual_dispclk_set_mhz = REG_READ(MP1_SMN_C2PMSG_83) * 1000; - if (!IS_FPGA_MAXIMUS_DC(core_dc->ctx->dce_environment)) { + if (!IS_FPGA_MAXIMUS_DC(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, 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..49ce46b543ea 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 @@ -26,9 +26,8 @@ #include "dccg.h" #include "clk_mgr_internal.h" - -#include "dcn20/dcn20_clk_mgr.h" #include "dce100/dce_clk_mgr.h" +#include "dcn20_clk_mgr.h" #include "reg_helper.h" #include "core_types.h" #include "dm_helpers.h" @@ -102,30 +101,35 @@ uint32_t dentist_get_did_from_divider(int divider) } void dcn20_update_clocks_update_dpp_dto(struct clk_mgr_internal *clk_mgr, - struct dc_state *context) + struct dc_state *context, bool safe_to_lower) { 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; - - if (!context->res_ctx.pipe_ctx[i].plane_state) - continue; + int dpp_inst, dppclk_khz, prev_dppclk_khz; - dpp_inst = context->res_ctx.pipe_ctx[i].plane_res.dpp->inst; + /* Loop index will match dpp->inst if resource exists, + * and we want to avoid dependency on dpp object + */ + dpp_inst = i; 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); + + prev_dppclk_khz = clk_mgr->base.ctx->dc->current_state->res_ctx.pipe_ctx[i].plane_res.bw.dppclk_khz; + + if ((prev_dppclk_khz > dppclk_khz && safe_to_lower) || prev_dppclk_khz < dppclk_khz) { + clk_mgr->dccg->funcs->update_dpp_dto( + clk_mgr->dccg, dpp_inst, dppclk_khz); + } } } void dcn20_update_clocks_update_dentist(struct clk_mgr_internal *clk_mgr) { int dpp_divider = DENTIST_DIVIDER_RANGE_SCALE_FACTOR - * clk_mgr->dentist_vco_freq_khz / clk_mgr->base.clks.dppclk_khz; + * clk_mgr->base.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->base.dentist_vco_freq_khz / clk_mgr->base.clks.dispclk_khz; uint32_t dppclk_wdivider = dentist_get_did_from_divider(dpp_divider); uint32_t dispclk_wdivider = dentist_get_did_from_divider(disp_divider); @@ -153,7 +157,20 @@ void dcn2_update_clocks(struct clk_mgr *clk_mgr_base, 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; + + 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; + + dcn2_read_clocks_from_hw_dentist(clk_mgr_base); + //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 +189,7 @@ 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); @@ -196,6 +214,7 @@ 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); @@ -225,19 +244,22 @@ void dcn2_update_clocks(struct clk_mgr *clk_mgr_base, update_dispclk = true; } - if (dc->config.forced_clocks == false) { + + if (dc->config.forced_clocks == false || (force_reset && safe_to_lower)) { 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_dpp_dto(clk_mgr, context, safe_to_lower); dcn20_update_clocks_update_dentist(clk_mgr); } 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); + // always update dtos unless clock is lowered and not safe to lower + if (new_clocks->dppclk_khz >= dc->current_state->bw_ctx.bw.dcn.clk.dppclk_khz) + dcn20_update_clocks_update_dpp_dto(clk_mgr, context, safe_to_lower); } } + if (update_dispclk && dmcu && dmcu->funcs->is_dmcu_initialized(dmcu)) { /*update dmcu for wait_loop count*/ @@ -250,6 +272,8 @@ void dcn2_update_clocks_fpga(struct clk_mgr *clk_mgr, struct dc_state *context, bool safe_to_lower) { + struct clk_mgr_internal *clk_mgr_int = TO_CLK_MGR_INTERNAL(clk_mgr); + struct dc_clocks *new_clocks = &context->bw_ctx.bw.dcn.clk; /* Min fclk = 1.2GHz since all the extra scemi logic seems to run off of it */ int fclk_adj = new_clocks->fclk_khz > 1200000 ? new_clocks->fclk_khz : 1200000; @@ -287,14 +311,18 @@ void dcn2_update_clocks_fpga(struct clk_mgr *clk_mgr, clk_mgr->clks.dispclk_khz = new_clocks->dispclk_khz; } - /* Both fclk and dppclk ref are run on the same scemi clock so we - * need to keep the same value for both + /* Both fclk and ref_dppclk run on the same scemi clock. + * So take the higher value since the DPP DTO is typically programmed + * such that max dppclk is 1:1 with ref_dppclk. */ if (clk_mgr->clks.fclk_khz > clk_mgr->clks.dppclk_khz) clk_mgr->clks.dppclk_khz = clk_mgr->clks.fclk_khz; if (clk_mgr->clks.dppclk_khz > clk_mgr->clks.fclk_khz) clk_mgr->clks.fclk_khz = clk_mgr->clks.dppclk_khz; + // Both fclk and ref_dppclk run on the same scemi clock. + clk_mgr_int->dccg->ref_dppclk = clk_mgr->clks.fclk_khz; + dm_set_dcn_clocks(clk_mgr->ctx, &clk_mgr->clks); } @@ -303,6 +331,7 @@ 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 +347,82 @@ void dcn2_enable_pme_wa(struct clk_mgr *clk_mgr_base) } } + +void dcn2_read_clocks_from_hw_dentist(struct clk_mgr *clk_mgr_base) +{ + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + uint32_t dispclk_wdivider; + uint32_t dppclk_wdivider; + int disp_divider; + int dpp_divider; + + REG_GET(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_WDIVIDER, &dispclk_wdivider); + REG_GET(DENTIST_DISPCLK_CNTL, DENTIST_DPPCLK_WDIVIDER, &dppclk_wdivider); + + disp_divider = dentist_get_divider_from_did(dispclk_wdivider); + dpp_divider = dentist_get_divider_from_did(dispclk_wdivider); + + if (disp_divider && dpp_divider) { + /* Calculate the current DFS clock, in kHz.*/ + clk_mgr_base->clks.dispclk_khz = (DENTIST_DIVIDER_RANGE_SCALE_FACTOR + * clk_mgr->base.dentist_vco_freq_khz) / disp_divider; + + clk_mgr_base->clks.dppclk_khz = (DENTIST_DIVIDER_RANGE_SCALE_FACTOR + * clk_mgr->base.dentist_vco_freq_khz) / dpp_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) +{ + + 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 bool dcn2_are_clock_states_equal(struct dc_clocks *a, + struct dc_clocks *b) +{ + if (a->dispclk_khz != b->dispclk_khz) + return false; + else if (a->dppclk_khz != b->dppclk_khz) + return false; + else if (a->dcfclk_khz != b->dcfclk_khz) + return false; + else if (a->socclk_khz != b->socclk_khz) + return false; + else if (a->dcfclk_deep_sleep_khz != b->dcfclk_deep_sleep_khz) + return false; + else if (a->phyclk_khz != b->phyclk_khz) + return false; + else if (a->dramclk_khz != b->dramclk_khz) + return false; + else if (a->p_state_change_support != b->p_state_change_support) + return false; + + return true; +} + 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, + .are_clock_states_equal = dcn2_are_clock_states_equal, }; @@ -350,7 +450,7 @@ void dcn20_clk_mgr_construct( if (IS_FPGA_MAXIMUS_DC(ctx->dce_environment)) { dcn2_funcs.update_clocks = dcn2_update_clocks_fpga; - clk_mgr->dentist_vco_freq_khz = 3850000; + clk_mgr->base.dentist_vco_freq_khz = 3850000; } else { /* DFS Slice 2 should be used for DPREFCLK */ @@ -374,15 +474,15 @@ void dcn20_clk_mgr_construct( pll_req = dc_fixpt_mul_int(pll_req, 100000); /* integer part is now VCO frequency in kHz */ - clk_mgr->dentist_vco_freq_khz = dc_fixpt_floor(pll_req); + clk_mgr->base.dentist_vco_freq_khz = dc_fixpt_floor(pll_req); /* 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 = 3850000; + if (clk_mgr->base.dentist_vco_freq_khz == 0) + clk_mgr->base.dentist_vco_freq_khz = 3850000; /* Calculate the DPREFCLK in kHz.*/ clk_mgr->base.dprefclk_khz = (DENTIST_DIVIDER_RANGE_SCALE_FACTOR - * clk_mgr->dentist_vco_freq_khz) / target_div; + * clk_mgr->base.dentist_vco_freq_khz) / target_div; } //Integrated_info table does not exist on dGPU projects so should not be referenced //anywhere in code for dGPUs. 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..0b9c045b0c8e 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 @@ -34,7 +34,7 @@ void dcn2_update_clocks_fpga(struct clk_mgr *clk_mgr, struct dc_state *context, bool safe_to_lower); void dcn20_update_clocks_update_dpp_dto(struct clk_mgr_internal *clk_mgr, - struct dc_state *context); + struct dc_state *context, bool safe_to_lower); void dcn2_init_clocks(struct clk_mgr *clk_mgr); @@ -45,4 +45,14 @@ 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); + +void dcn20_update_clocks_update_dentist(struct clk_mgr_internal *clk_mgr); + +void dcn2_read_clocks_from_hw_dentist(struct clk_mgr *clk_mgr_base); + + #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..9ef3f7b91a1d --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c @@ -0,0 +1,758 @@ +/* + * 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) + + +/* TODO: evaluate how to lower or disable all dcn clocks in screen off case */ +int rn_get_active_display_cnt_wa( + struct dc *dc, + struct dc_state *context) +{ + int i, display_count; + bool tmds_present = false; + + display_count = 0; + for (i = 0; i < context->stream_count; i++) { + const struct dc_stream_state *stream = context->streams[i]; + + if (stream->signal == SIGNAL_TYPE_HDMI_TYPE_A || + stream->signal == SIGNAL_TYPE_DVI_SINGLE_LINK || + stream->signal == SIGNAL_TYPE_DVI_DUAL_LINK) + tmds_present = true; + } + + for (i = 0; i < dc->link_count; i++) { + const struct dc_link *link = dc->links[i]; + + /* + * Only notify active stream or virtual stream. + * Need to notify virtual stream to work around + * headless case. HPD does not fire when system is in + * S0i2. + */ + /* abusing the fact that the dig and phy are coupled to see if the phy is enabled */ + if (link->connector_signal == SIGNAL_TYPE_VIRTUAL || + link->link_enc->funcs->is_dig_enabled(link->link_enc)) + display_count++; + } + + /* WA for hang on HDMI after display off back back on*/ + if (display_count == 0 && tmds_present) + display_count = 1; + + return display_count; +} + +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 dpp_clock_lowered = false; + + struct dmcu *dmcu = clk_mgr_base->ctx->dc->res_pool->dmcu; + + if (dc->work_arounds.skip_clock_update) + return; + + /* + * if it is safe to lower, but we are already in the lower state, we don't have to do anything + * also if safe to lower is false, we just go in the higher state + */ + if (safe_to_lower) { + /* check that we're not already in lower */ + if (clk_mgr_base->clks.pwr_state != DCN_PWR_STATE_LOW_POWER) { + + display_count = rn_get_active_display_cnt_wa(dc, context); + /* if we can go lower, go lower */ + if (display_count == 0) { + rn_vbios_smu_set_dcn_low_power_state(clk_mgr, DCN_PWR_STATE_LOW_POWER); + /* update power state */ + clk_mgr_base->clks.pwr_state = DCN_PWR_STATE_LOW_POWER; + } + } + } else { + /* check that we're not already in D0 */ + if (clk_mgr_base->clks.pwr_state != DCN_PWR_STATE_MISSION_MODE) { + rn_vbios_smu_set_dcn_low_power_state(clk_mgr, DCN_PWR_STATE_MISSION_MODE); + /* update power state */ + clk_mgr_base->clks.pwr_state = DCN_PWR_STATE_MISSION_MODE; + } + } + + 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); + } + + // workaround: Limit dppclk to 100Mhz to avoid lower eDP panel switch to plus 4K monitor underflow. + if (!IS_DIAG_DC(dc->ctx->dce_environment)) { + if (new_clocks->dppclk_khz < 100000) + new_clocks->dppclk_khz = 100000; + } + + 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) { + // increase per DPP DTO before lowering global dppclk + dcn20_update_clocks_update_dpp_dto(clk_mgr, context, safe_to_lower); + rn_vbios_smu_set_dppclk(clk_mgr, clk_mgr_base->clks.dppclk_khz); + } else { + // increase global DPPCLK before lowering per DPP DTO + if (update_dppclk || update_dispclk) + rn_vbios_smu_set_dppclk(clk_mgr, clk_mgr_base->clks.dppclk_khz); + // always update dtos unless clock is lowered and not safe to lower + if (new_clocks->dppclk_khz >= dc->current_state->bw_ctx.bw.dcn.clk.dppclk_khz) + dcn20_update_clocks_update_dpp_dto(clk_mgr, context, safe_to_lower); + } + + 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 * 1000; +} + +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); +} + +void rn_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; + clk_mgr->clks.pwr_state = DCN_PWR_STATE_UNKNOWN; +} + +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 fclk, so leave it as unconstrained */ + 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; + /* dcfclk 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_drain_clk_mhz = 0; + else { + /* add 1 to make it non-overlapping with next lvl */ + ranges->reader_wm_sets[num_valid_sets].min_drain_clk_mhz = bw_params->clk_table.entries[i - 1].dcfclk_mhz + 1; + } + ranges->reader_wm_sets[num_valid_sets].max_drain_clk_mhz = bw_params->clk_table.entries[i].dcfclk_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; + +} + +static void rn_notify_wm_ranges(struct clk_mgr *clk_mgr_base) +{ + struct dc_debug_options *debug = &clk_mgr_base->ctx->dc->debug; + struct pp_smu_wm_range_sets ranges = {0}; + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + struct pp_smu_funcs *pp_smu = clk_mgr->pp_smu; + + if (!debug->disable_pplib_wm_range) { + 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); + } + +} + +static bool rn_are_clock_states_equal(struct dc_clocks *a, + struct dc_clocks *b) +{ + if (a->dispclk_khz != b->dispclk_khz) + return false; + else if (a->dppclk_khz != b->dppclk_khz) + return false; + else if (a->dcfclk_khz != b->dcfclk_khz) + return false; + else if (a->dcfclk_deep_sleep_khz != b->dcfclk_deep_sleep_khz) + return false; + + return true; +} + + +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 = rn_init_clocks, + .enable_pme_wa = rn_enable_pme_wa, + .are_clock_states_equal = rn_are_clock_states_equal, + .notify_wm_ranges = rn_notify_wm_ranges +}; + +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, + }, + +}; + +struct wm_table ddr4_wm_table = { + .entries = { + { + .wm_inst = WM_A, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 11.72, + .sr_exit_time_us = 6.09, + .sr_enter_plus_exit_time_us = 7.14, + .valid = true, + }, + { + .wm_inst = WM_B, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 11.72, + .sr_exit_time_us = 10.12, + .sr_enter_plus_exit_time_us = 11.48, + .valid = true, + }, + { + .wm_inst = WM_C, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 11.72, + .sr_exit_time_us = 10.12, + .sr_enter_plus_exit_time_us = 11.48, + .valid = true, + }, + { + .wm_inst = WM_D, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 11.72, + .sr_exit_time_us = 10.12, + .sr_enter_plus_exit_time_us = 11.48, + .valid = true, + }, + } +}; + +struct wm_table lpddr4_wm_table = { + .entries = { + { + .wm_inst = WM_A, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 11.65333, + .sr_exit_time_us = 5.32, + .sr_enter_plus_exit_time_us = 6.38, + .valid = true, + }, + { + .wm_inst = WM_B, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 11.65333, + .sr_exit_time_us = 9.82, + .sr_enter_plus_exit_time_us = 11.196, + .valid = true, + }, + { + .wm_inst = WM_C, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 11.65333, + .sr_exit_time_us = 9.89, + .sr_enter_plus_exit_time_us = 11.24, + .valid = true, + }, + { + .wm_inst = WM_D, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 11.65333, + .sr_exit_time_us = 9.748, + .sr_enter_plus_exit_time_us = 11.102, + .valid = true, + }, + } +}; + + +static unsigned int find_dcfclk_for_voltage(struct dpm_clocks *clock_table, unsigned int voltage) +{ + int i; + + for (i = 0; i < PP_SMU_NUM_DCFCLK_DPM_LEVELS; i++) { + if (clock_table->DcfClocks[i].Vol == voltage) + return clock_table->DcfClocks[i].Freq; + } + + ASSERT(0); + return 0; +} + +static void rn_clk_mgr_helper_populate_bw_params(struct clk_bw_params *bw_params, struct dpm_clocks *clock_table, struct integrated_info *bios_info) +{ + int i, j = 0; + + j = -1; + + ASSERT(PP_SMU_NUM_FCLK_DPM_LEVELS <= MAX_NUM_DPM_LVL); + + /* Find lowest DPM, FCLK is filled in reverse order*/ + + for (i = PP_SMU_NUM_FCLK_DPM_LEVELS - 1; i >= 0; i--) { + if (clock_table->FClocks[i].Freq != 0) { + j = i; + break; + } + } + + if (j == -1) { + /* clock table is all 0s, just use our own hardcode */ + ASSERT(0); + return; + } + + bw_params->clk_table.num_entries = j + 1; + + for (i = 0; i < bw_params->clk_table.num_entries; i++, j--) { + bw_params->clk_table.entries[i].fclk_mhz = clock_table->FClocks[j].Freq; + bw_params->clk_table.entries[i].memclk_mhz = clock_table->MemClocks[j].Freq; + bw_params->clk_table.entries[i].voltage = clock_table->FClocks[j].Vol; + bw_params->clk_table.entries[i].dcfclk_mhz = find_dcfclk_for_voltage(clock_table, clock_table->FClocks[j].Vol); + } + + bw_params->vram_type = bios_info->memory_type; + bw_params->num_channels = bios_info->ma_channel_number; + + for (i = 0; i < WM_SET_COUNT; i++) { + bw_params->wm_table.entries[i].wm_inst = i; + + if (i >= bw_params->clk_table.num_entries) { + 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 }; + + 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->base.dentist_vco_freq_khz = 3600000; + } else { + struct clk_log_info log_info = {0}; + + /* TODO: Check we get what we expect during bringup */ + clk_mgr->base.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->base.dentist_vco_freq_khz == 0) + clk_mgr->base.dentist_vco_freq_khz = 3600000; + + if (ctx->dc_bios->integrated_info->memory_type == LpDdr4MemType) { + rn_bw_params.wm_table = lpddr4_wm_table; + } else { + rn_bw_params.wm_table = ddr4_wm_table; + } + /* Saved clocks configured at boot for debug purposes */ + rn_dump_clk_registers(&clk_mgr->base.boot_snapshot, &clk_mgr->base, &log_info); + } + + 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.get_dpm_clock_table(&pp_smu->rn_funcs.pp_smu, &clock_table); + if (ctx->dc_bios && ctx->dc_bios->integrated_info) { + rn_clk_mgr_helper_populate_bw_params (clk_mgr->base.bw_params, &clock_table, ctx->dc_bios->integrated_info); + } + } + + if (!IS_FPGA_MAXIMUS_DC(ctx->dce_environment) && clk_mgr->smu_ver >= 0x00371500) { + /* enable powerfeatures when displaycount goes to 0 */ + rn_vbios_smu_enable_48mhz_tmdp_refclk_pwrdwn(clk_mgr, !debug->disable_48mhz_pwrdwn); + } +} + 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..e4322fa5475b --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.h @@ -0,0 +1,41 @@ +/* + * 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__ + +#include "clk_mgr.h" +#include "dm_pp_smu.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..6878aedf1d3e --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c @@ -0,0 +1,198 @@ +/* + * 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) \ + (MP0_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 *dc = clk_mgr->base.ctx->dc; + struct dmcu *dmcu = dc->res_pool->dmcu; + + /* Unit of SMU msg parameter is Mhz */ + actual_dispclk_set_mhz = rn_vbios_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_SetDispclkFreq, + requested_dispclk_khz / 1000); + + if (!IS_FPGA_MAXIMUS_DC(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 < 0x370c00) + 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 < 0x370c00) + 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; + + actual_dppclk_set_mhz = rn_vbios_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_SetDppclkFreq, + requested_dpp_khz / 1000); + + return actual_dppclk_set_mhz * 1000; +} + +void rn_vbios_smu_set_dcn_low_power_state(struct clk_mgr_internal *clk_mgr, enum dcn_pwr_state state) +{ + int disp_count; + + if (state == DCN_PWR_STATE_LOW_POWER) + disp_count = 0; + else + disp_count = 1; + + rn_vbios_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_SetDisplayCount, + disp_count); +} + +void rn_vbios_smu_enable_48mhz_tmdp_refclk_pwrdwn(struct clk_mgr_internal *clk_mgr, bool enable) +{ + rn_vbios_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_EnableTmdp48MHzRefclkPwrDown, + enable); +} + +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..ccc01879c9d4 --- /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_dcn_low_power_state(struct clk_mgr_internal *clk_mgr, int display_count); +void rn_vbios_smu_enable_48mhz_tmdp_refclk_pwrdwn(struct clk_mgr_internal *clk_mgr, bool enable); +void rn_vbios_smu_enable_pme_wa(struct clk_mgr_internal *clk_mgr); + +#endif /* DAL_DC_DCN10_RV1_CLK_MGR_VBIOS_SMU_H_ */ |
