From 74fed69c0dc1c52a43b8fb15271ab8a7ee93780f Mon Sep 17 00:00:00 2001 From: Dmytro Laktyushkin Date: Mon, 24 Sep 2018 15:28:00 -0400 Subject: [PATCH 5583/5725] drm/amd/display: split dccg clock manager into asic folders Currently dccg contains code related to every dcn revision in a single file. This change splits out the dcn parts of code into correct folders Change-Id: I603351bdf753312e6b28e09320318d2afe7db852 Signed-off-by: Dmytro Laktyushkin Reviewed-by: Charlene Liu Acked-by: Bhawanpreet Lakha --- drivers/gpu/drm/amd/display/dc/dce/Makefile | 2 +- drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c | 1143 -------------------- drivers/gpu/drm/amd/display/dc/dce/dce_clocks.h | 133 --- drivers/gpu/drm/amd/display/dc/dce/dce_dccg.c | 876 +++++++++++++++ drivers/gpu/drm/amd/display/dc/dce/dce_dccg.h | 165 +++ .../drm/amd/display/dc/dce100/dce100_resource.c | 2 +- .../drm/amd/display/dc/dce110/dce110_resource.c | 2 +- .../drm/amd/display/dc/dce112/dce112_resource.c | 2 +- .../drm/amd/display/dc/dce120/dce120_resource.c | 2 +- .../gpu/drm/amd/display/dc/dce80/dce80_resource.c | 2 +- drivers/gpu/drm/amd/display/dc/dcn10/Makefile | 2 +- drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dccg.c | 278 +++++ drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dccg.h | 37 + .../gpu/drm/amd/display/dc/dcn10/dcn10_resource.c | 2 +- drivers/gpu/drm/amd/display/dc/inc/core_types.h | 2 +- drivers/gpu/drm/amd/display/dc/inc/dcn_calcs.h | 2 +- drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h | 47 + .../gpu/drm/amd/display/dc/inc/hw/display_clock.h | 47 - 18 files changed, 1413 insertions(+), 1333 deletions(-) delete mode 100644 drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c delete mode 100644 drivers/gpu/drm/amd/display/dc/dce/dce_clocks.h create mode 100644 drivers/gpu/drm/amd/display/dc/dce/dce_dccg.c create mode 100644 drivers/gpu/drm/amd/display/dc/dce/dce_dccg.h create mode 100644 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dccg.c create mode 100644 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dccg.h create mode 100644 drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h delete mode 100644 drivers/gpu/drm/amd/display/dc/inc/hw/display_clock.h diff --git a/drivers/gpu/drm/amd/display/dc/dce/Makefile b/drivers/gpu/drm/amd/display/dc/dce/Makefile index 8f7f0e8..f4ce7f5 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/Makefile +++ b/drivers/gpu/drm/amd/display/dc/dce/Makefile @@ -28,7 +28,7 @@ DCE = dce_audio.o dce_stream_encoder.o dce_link_encoder.o dce_hwseq.o \ dce_mem_input.o dce_clock_source.o dce_scl_filters.o dce_transform.o \ -dce_clocks.o dce_opp.o dce_dmcu.o dce_abm.o dce_ipp.o dce_aux.o \ +dce_dccg.o dce_opp.o dce_dmcu.o dce_abm.o dce_ipp.o dce_aux.o \ dce_i2c.o dce_i2c_hw.o dce_i2c_sw.o AMD_DAL_DCE = $(addprefix $(AMDDALPATH)/dc/dce/,$(DCE)) diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c b/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c deleted file mode 100644 index 6f4a10b..0000000 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c +++ /dev/null @@ -1,1143 +0,0 @@ -/* - * 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 "reg_helper.h" -#include "bios_parser_interface.h" -#include "dc.h" -#include "dce_clocks.h" -#include "dmcu.h" -#include "core_types.h" -#include "dal_asic_id.h" - -#define TO_DCE_DCCG(clocks)\ - container_of(clocks, struct dce_dccg, base) - -#define REG(reg) \ - (dccg_dce->regs->reg) - -#undef FN -#define FN(reg_name, field_name) \ - dccg_dce->dccg_shift->field_name, dccg_dce->dccg_mask->field_name - -#define CTX \ - dccg_dce->base.ctx -#define DC_LOGGER \ - dccg->ctx->logger - -/* Max clock values for each state indexed by "enum clocks_state": */ -static const struct state_dependent_clocks dce80_max_clks_by_state[] = { -/* ClocksStateInvalid - should not be used */ -{ .display_clk_khz = 0, .pixel_clk_khz = 0 }, -/* ClocksStateUltraLow - not expected to be used for DCE 8.0 */ -{ .display_clk_khz = 0, .pixel_clk_khz = 0 }, -/* ClocksStateLow */ -{ .display_clk_khz = 352000, .pixel_clk_khz = 330000}, -/* ClocksStateNominal */ -{ .display_clk_khz = 600000, .pixel_clk_khz = 400000 }, -/* ClocksStatePerformance */ -{ .display_clk_khz = 600000, .pixel_clk_khz = 400000 } }; - -static const struct state_dependent_clocks dce110_max_clks_by_state[] = { -/*ClocksStateInvalid - should not be used*/ -{ .display_clk_khz = 0, .pixel_clk_khz = 0 }, -/*ClocksStateUltraLow - currently by HW design team not supposed to be used*/ -{ .display_clk_khz = 352000, .pixel_clk_khz = 330000 }, -/*ClocksStateLow*/ -{ .display_clk_khz = 352000, .pixel_clk_khz = 330000 }, -/*ClocksStateNominal*/ -{ .display_clk_khz = 467000, .pixel_clk_khz = 400000 }, -/*ClocksStatePerformance*/ -{ .display_clk_khz = 643000, .pixel_clk_khz = 400000 } }; - -static const struct state_dependent_clocks dce112_max_clks_by_state[] = { -/*ClocksStateInvalid - should not be used*/ -{ .display_clk_khz = 0, .pixel_clk_khz = 0 }, -/*ClocksStateUltraLow - currently by HW design team not supposed to be used*/ -{ .display_clk_khz = 389189, .pixel_clk_khz = 346672 }, -/*ClocksStateLow*/ -{ .display_clk_khz = 459000, .pixel_clk_khz = 400000 }, -/*ClocksStateNominal*/ -{ .display_clk_khz = 667000, .pixel_clk_khz = 600000 }, -/*ClocksStatePerformance*/ -{ .display_clk_khz = 1132000, .pixel_clk_khz = 600000 } }; - -static const struct state_dependent_clocks dce120_max_clks_by_state[] = { -/*ClocksStateInvalid - should not be used*/ -{ .display_clk_khz = 0, .pixel_clk_khz = 0 }, -/*ClocksStateUltraLow - currently by HW design team not supposed to be used*/ -{ .display_clk_khz = 0, .pixel_clk_khz = 0 }, -/*ClocksStateLow*/ -{ .display_clk_khz = 460000, .pixel_clk_khz = 400000 }, -/*ClocksStateNominal*/ -{ .display_clk_khz = 670000, .pixel_clk_khz = 600000 }, -/*ClocksStatePerformance*/ -{ .display_clk_khz = 1133000, .pixel_clk_khz = 600000 } }; - -/* Starting DID for each range */ -enum dentist_base_divider_id { - DENTIST_BASE_DID_1 = 0x08, - DENTIST_BASE_DID_2 = 0x40, - DENTIST_BASE_DID_3 = 0x60, - DENTIST_MAX_DID = 0x80 -}; - -/* Starting point and step size for each divider range.*/ -enum dentist_divider_range { - DENTIST_DIVIDER_RANGE_1_START = 8, /* 2.00 */ - DENTIST_DIVIDER_RANGE_1_STEP = 1, /* 0.25 */ - DENTIST_DIVIDER_RANGE_2_START = 64, /* 16.00 */ - DENTIST_DIVIDER_RANGE_2_STEP = 2, /* 0.50 */ - DENTIST_DIVIDER_RANGE_3_START = 128, /* 32.00 */ - DENTIST_DIVIDER_RANGE_3_STEP = 4, /* 1.00 */ - DENTIST_DIVIDER_RANGE_SCALE_FACTOR = 4 -}; - -static int dentist_get_divider_from_did(int did) -{ - if (did < DENTIST_BASE_DID_1) - did = DENTIST_BASE_DID_1; - if (did > DENTIST_MAX_DID) - did = DENTIST_MAX_DID; - - if (did < DENTIST_BASE_DID_2) { - return DENTIST_DIVIDER_RANGE_1_START + DENTIST_DIVIDER_RANGE_1_STEP - * (did - DENTIST_BASE_DID_1); - } else if (did < DENTIST_BASE_DID_3) { - return DENTIST_DIVIDER_RANGE_2_START + DENTIST_DIVIDER_RANGE_2_STEP - * (did - DENTIST_BASE_DID_2); - } else { - return DENTIST_DIVIDER_RANGE_3_START + DENTIST_DIVIDER_RANGE_3_STEP - * (did - DENTIST_BASE_DID_3); - } -} - -/* SW will adjust DP REF Clock average value for all purposes - * (DP DTO / DP Audio DTO and DP GTC) - if clock is spread for all cases: - -if SS enabled on DP Ref clock and HW de-spreading enabled with SW - calculations for DS_INCR/DS_MODULO (this is planned to be default case) - -if SS enabled on DP Ref clock and HW de-spreading enabled with HW - calculations (not planned to be used, but average clock should still - be valid) - -if SS enabled on DP Ref clock and HW de-spreading disabled - (should not be case with CIK) then SW should program all rates - generated according to average value (case as with previous ASICs) - */ -static int dccg_adjust_dp_ref_freq_for_ss(struct dce_dccg *dccg_dce, int dp_ref_clk_khz) -{ - if (dccg_dce->ss_on_dprefclk && dccg_dce->dprefclk_ss_divider != 0) { - struct fixed31_32 ss_percentage = dc_fixpt_div_int( - dc_fixpt_from_fraction(dccg_dce->dprefclk_ss_percentage, - dccg_dce->dprefclk_ss_divider), 200); - struct fixed31_32 adj_dp_ref_clk_khz; - - ss_percentage = dc_fixpt_sub(dc_fixpt_one, ss_percentage); - adj_dp_ref_clk_khz = dc_fixpt_mul_int(ss_percentage, dp_ref_clk_khz); - dp_ref_clk_khz = dc_fixpt_floor(adj_dp_ref_clk_khz); - } - return dp_ref_clk_khz; -} - -static int dce_get_dp_ref_freq_khz(struct dccg *dccg) -{ - struct dce_dccg *dccg_dce = TO_DCE_DCCG(dccg); - int dprefclk_wdivider; - int dprefclk_src_sel; - int dp_ref_clk_khz = 600000; - int target_div; - - /* ASSERT DP Reference Clock source is from DFS*/ - REG_GET(DPREFCLK_CNTL, DPREFCLK_SRC_SEL, &dprefclk_src_sel); - ASSERT(dprefclk_src_sel == 0); - - /* Read the mmDENTIST_DISPCLK_CNTL to get the currently - * programmed DID DENTIST_DPREFCLK_WDIVIDER*/ - REG_GET(DENTIST_DISPCLK_CNTL, DENTIST_DPREFCLK_WDIVIDER, &dprefclk_wdivider); - - /* Convert DENTIST_DPREFCLK_WDIVIDERto actual divider*/ - target_div = dentist_get_divider_from_did(dprefclk_wdivider); - - /* Calculate the current DFS clock, in kHz.*/ - dp_ref_clk_khz = (DENTIST_DIVIDER_RANGE_SCALE_FACTOR - * dccg_dce->dentist_vco_freq_khz) / target_div; - - return dccg_adjust_dp_ref_freq_for_ss(dccg_dce, dp_ref_clk_khz); -} - -static int dce12_get_dp_ref_freq_khz(struct dccg *dccg) -{ - struct dce_dccg *dccg_dce = TO_DCE_DCCG(dccg); - - return dccg_adjust_dp_ref_freq_for_ss(dccg_dce, dccg_dce->dprefclk_khz); -} - -/* unit: in_khz before mode set, get pixel clock from context. ASIC register - * may not be programmed yet - */ -static uint32_t get_max_pixel_clock_for_all_paths(struct dc_state *context) -{ - uint32_t max_pix_clk = 0; - int i; - - for (i = 0; i < MAX_PIPES; i++) { - struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i]; - - if (pipe_ctx->stream == NULL) - continue; - - /* do not check under lay */ - if (pipe_ctx->top_pipe) - continue; - - if (pipe_ctx->stream_res.pix_clk_params.requested_pix_clk > max_pix_clk) - max_pix_clk = pipe_ctx->stream_res.pix_clk_params.requested_pix_clk; - - /* raise clock state for HBR3/2 if required. Confirmed with HW DCE/DPCS - * logic for HBR3 still needs Nominal (0.8V) on VDDC rail - */ - if (dc_is_dp_signal(pipe_ctx->stream->signal) && - pipe_ctx->stream_res.pix_clk_params.requested_sym_clk > max_pix_clk) - max_pix_clk = pipe_ctx->stream_res.pix_clk_params.requested_sym_clk; - } - - return max_pix_clk; -} - -static enum dm_pp_clocks_state dce_get_required_clocks_state( - struct dccg *dccg, - struct dc_state *context) -{ - struct dce_dccg *dccg_dce = TO_DCE_DCCG(dccg); - int i; - enum dm_pp_clocks_state low_req_clk; - int max_pix_clk = get_max_pixel_clock_for_all_paths(context); - - /* Iterate from highest supported to lowest valid state, and update - * lowest RequiredState with the lowest state that satisfies - * all required clocks - */ - for (i = dccg_dce->max_clks_state; i >= DM_PP_CLOCKS_STATE_ULTRA_LOW; i--) - if (context->bw.dce.dispclk_khz > - dccg_dce->max_clks_by_state[i].display_clk_khz - || max_pix_clk > - dccg_dce->max_clks_by_state[i].pixel_clk_khz) - break; - - low_req_clk = i + 1; - if (low_req_clk > dccg_dce->max_clks_state) { - /* set max clock state for high phyclock, invalid on exceeding display clock */ - if (dccg_dce->max_clks_by_state[dccg_dce->max_clks_state].display_clk_khz - < context->bw.dce.dispclk_khz) - low_req_clk = DM_PP_CLOCKS_STATE_INVALID; - else - low_req_clk = dccg_dce->max_clks_state; - } - - return low_req_clk; -} - -static int dce_set_clock( - struct dccg *dccg, - int requested_clk_khz) -{ - struct dce_dccg *dccg_dce = TO_DCE_DCCG(dccg); - struct bp_pixel_clock_parameters pxl_clk_params = { 0 }; - struct dc_bios *bp = dccg->ctx->dc_bios; - int actual_clock = requested_clk_khz; - struct dmcu *dmcu = dccg_dce->base.ctx->dc->res_pool->dmcu; - - /* Make sure requested clock isn't lower than minimum threshold*/ - if (requested_clk_khz > 0) - requested_clk_khz = max(requested_clk_khz, - dccg_dce->dentist_vco_freq_khz / 64); - - /* Prepare to program display clock*/ - pxl_clk_params.target_pixel_clock = requested_clk_khz; - pxl_clk_params.pll_id = CLOCK_SOURCE_ID_DFS; - - if (dccg_dce->dfs_bypass_active) - pxl_clk_params.flags.SET_DISPCLK_DFS_BYPASS = true; - - bp->funcs->program_display_engine_pll(bp, &pxl_clk_params); - - if (dccg_dce->dfs_bypass_active) { - /* Cache the fixed display clock*/ - dccg_dce->dfs_bypass_disp_clk = - pxl_clk_params.dfs_bypass_display_clock; - actual_clock = pxl_clk_params.dfs_bypass_display_clock; - } - - /* from power down, we need mark the clock state as ClocksStateNominal - * from HWReset, so when resume we will call pplib voltage regulator.*/ - if (requested_clk_khz == 0) - dccg_dce->cur_min_clks_state = DM_PP_CLOCKS_STATE_NOMINAL; - - dmcu->funcs->set_psr_wait_loop(dmcu, actual_clock / 1000 / 7); - - return actual_clock; -} - -static int dce112_set_clock( - struct dccg *dccg, - int requested_clk_khz) -{ - struct dce_dccg *dccg_dce = TO_DCE_DCCG(dccg); - struct bp_set_dce_clock_parameters dce_clk_params; - struct dc_bios *bp = dccg->ctx->dc_bios; - struct dc *core_dc = dccg->ctx->dc; - struct dmcu *dmcu = core_dc->res_pool->dmcu; - int actual_clock = requested_clk_khz; - /* Prepare to program display clock*/ - memset(&dce_clk_params, 0, sizeof(dce_clk_params)); - - /* Make sure requested clock isn't lower than minimum threshold*/ - if (requested_clk_khz > 0) - requested_clk_khz = max(requested_clk_khz, - dccg_dce->dentist_vco_freq_khz / 62); - - dce_clk_params.target_clock_frequency = requested_clk_khz; - dce_clk_params.pll_id = CLOCK_SOURCE_ID_DFS; - dce_clk_params.clock_type = DCECLOCK_TYPE_DISPLAY_CLOCK; - - bp->funcs->set_dce_clock(bp, &dce_clk_params); - actual_clock = dce_clk_params.target_clock_frequency; - - /* from power down, we need mark the clock state as ClocksStateNominal - * from HWReset, so when resume we will call pplib voltage regulator.*/ - if (requested_clk_khz == 0) - dccg_dce->cur_min_clks_state = DM_PP_CLOCKS_STATE_NOMINAL; - - /*Program DP ref Clock*/ - /*VBIOS will determine DPREFCLK frequency, so we don't set it*/ - dce_clk_params.target_clock_frequency = 0; - dce_clk_params.clock_type = DCECLOCK_TYPE_DPREFCLK; - if (!ASICREV_IS_VEGA20_P(dccg->ctx->asic_id.hw_internal_rev)) - dce_clk_params.flags.USE_GENLOCK_AS_SOURCE_FOR_DPREFCLK = - (dce_clk_params.pll_id == - CLOCK_SOURCE_COMBO_DISPLAY_PLL0); - else - dce_clk_params.flags.USE_GENLOCK_AS_SOURCE_FOR_DPREFCLK = false; - - bp->funcs->set_dce_clock(bp, &dce_clk_params); - - if (!IS_FPGA_MAXIMUS_DC(core_dc->ctx->dce_environment)) { - if (dccg_dce->dfs_bypass_disp_clk != actual_clock) - dmcu->funcs->set_psr_wait_loop(dmcu, - actual_clock / 1000 / 7); - } - - dccg_dce->dfs_bypass_disp_clk = actual_clock; - return actual_clock; -} - -static void dce_clock_read_integrated_info(struct dce_dccg *dccg_dce) -{ - struct dc_debug_options *debug = &dccg_dce->base.ctx->dc->debug; - struct dc_bios *bp = dccg_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; - - dccg_dce->dentist_vco_freq_khz = info.dentist_vco_freq; - if (dccg_dce->dentist_vco_freq_khz == 0) { - bp->funcs->get_firmware_info(bp, &fw_info); - dccg_dce->dentist_vco_freq_khz = - fw_info.smu_gpu_pll_output_freq; - if (dccg_dce->dentist_vco_freq_khz == 0) - dccg_dce->dentist_vco_freq_khz = 3600000; - } - - /*update the maximum display clock for each power state*/ - for (i = 0; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) { - enum dm_pp_clocks_state clk_state = DM_PP_CLOCKS_STATE_INVALID; - - switch (i) { - case 0: - clk_state = DM_PP_CLOCKS_STATE_ULTRA_LOW; - break; - - case 1: - clk_state = DM_PP_CLOCKS_STATE_LOW; - break; - - case 2: - clk_state = DM_PP_CLOCKS_STATE_NOMINAL; - break; - - case 3: - clk_state = DM_PP_CLOCKS_STATE_PERFORMANCE; - break; - - default: - clk_state = DM_PP_CLOCKS_STATE_INVALID; - break; - } - - /*Do not allow bad VBIOS/SBIOS to override with invalid values, - * check for > 100MHz*/ - if (info.disp_clk_voltage[i].max_supported_clk >= 100000) - dccg_dce->max_clks_by_state[clk_state].display_clk_khz = - info.disp_clk_voltage[i].max_supported_clk; - } - - if (!debug->disable_dfs_bypass && bp->integrated_info) - if (bp->integrated_info->gpu_cap_info & DFS_BYPASS_ENABLE) - dccg_dce->dfs_bypass_enabled = true; -} - -static void dce_clock_read_ss_info(struct dce_dccg *dccg_dce) -{ - struct dc_bios *bp = dccg_dce->base.ctx->dc_bios; - int ss_info_num = bp->funcs->get_ss_entry_number( - bp, AS_SIGNAL_TYPE_GPU_PLL); - - if (ss_info_num) { - struct spread_spectrum_info info = { { 0 } }; - enum bp_result result = bp->funcs->get_spread_spectrum_info( - bp, AS_SIGNAL_TYPE_GPU_PLL, 0, &info); - - /* Based on VBIOS, VBIOS will keep entry for GPU PLL SS - * even if SS not enabled and in that case - * SSInfo.spreadSpectrumPercentage !=0 would be sign - * that SS is enabled - */ - if (result == BP_RESULT_OK && - info.spread_spectrum_percentage != 0) { - dccg_dce->ss_on_dprefclk = true; - dccg_dce->dprefclk_ss_divider = info.spread_percentage_divider; - - if (info.type.CENTER_MODE == 0) { - /* TODO: Currently for DP Reference clock we - * need only SS percentage for - * downspread */ - dccg_dce->dprefclk_ss_percentage = - info.spread_spectrum_percentage; - } - - return; - } - - result = bp->funcs->get_spread_spectrum_info( - bp, AS_SIGNAL_TYPE_DISPLAY_PORT, 0, &info); - - /* Based on VBIOS, VBIOS will keep entry for DPREFCLK SS - * even if SS not enabled and in that case - * SSInfo.spreadSpectrumPercentage !=0 would be sign - * that SS is enabled - */ - if (result == BP_RESULT_OK && - info.spread_spectrum_percentage != 0) { - dccg_dce->ss_on_dprefclk = true; - dccg_dce->dprefclk_ss_divider = info.spread_percentage_divider; - - if (info.type.CENTER_MODE == 0) { - /* Currently for DP Reference clock we - * need only SS percentage for - * downspread */ - dccg_dce->dprefclk_ss_percentage = - info.spread_spectrum_percentage; - } - } - } -} - -static inline bool should_set_clock(bool safe_to_lower, int calc_clk, int cur_clk) -{ - return ((safe_to_lower && calc_clk < cur_clk) || calc_clk > cur_clk); -} - -static void dce110_fill_display_configs( - const struct dc_state *context, - struct dm_pp_display_configuration *pp_display_cfg) -{ - int j; - int num_cfgs = 0; - - for (j = 0; j < context->stream_count; j++) { - int k; - - const struct dc_stream_state *stream = context->streams[j]; - struct dm_pp_single_disp_config *cfg = - &pp_display_cfg->disp_configs[num_cfgs]; - const struct pipe_ctx *pipe_ctx = NULL; - - for (k = 0; k < MAX_PIPES; k++) - if (stream == context->res_ctx.pipe_ctx[k].stream) { - pipe_ctx = &context->res_ctx.pipe_ctx[k]; - break; - } - - ASSERT(pipe_ctx != NULL); - - /* only notify active stream */ - if (stream->dpms_off) - continue; - - num_cfgs++; - cfg->signal = pipe_ctx->stream->signal; - cfg->pipe_idx = pipe_ctx->stream_res.tg->inst; - cfg->src_height = stream->src.height; - cfg->src_width = stream->src.width; - cfg->ddi_channel_mapping = - stream->sink->link->ddi_channel_mapping.raw; - cfg->transmitter = - stream->sink->link->link_enc->transmitter; - cfg->link_settings.lane_count = - stream->sink->link->cur_link_settings.lane_count; - cfg->link_settings.link_rate = - stream->sink->link->cur_link_settings.link_rate; - cfg->link_settings.link_spread = - stream->sink->link->cur_link_settings.link_spread; - cfg->sym_clock = stream->phy_pix_clk; - /* Round v_refresh*/ - cfg->v_refresh = stream->timing.pix_clk_khz * 1000; - cfg->v_refresh /= stream->timing.h_total; - cfg->v_refresh = (cfg->v_refresh + stream->timing.v_total / 2) - / stream->timing.v_total; - } - - pp_display_cfg->display_count = num_cfgs; -} - -static uint32_t dce110_get_min_vblank_time_us(const struct dc_state *context) -{ - uint8_t j; - uint32_t min_vertical_blank_time = -1; - - for (j = 0; j < context->stream_count; j++) { - struct dc_stream_state *stream = context->streams[j]; - uint32_t vertical_blank_in_pixels = 0; - uint32_t vertical_blank_time = 0; - - vertical_blank_in_pixels = stream->timing.h_total * - (stream->timing.v_total - - stream->timing.v_addressable); - - vertical_blank_time = vertical_blank_in_pixels - * 1000 / stream->timing.pix_clk_khz; - - if (min_vertical_blank_time > vertical_blank_time) - min_vertical_blank_time = vertical_blank_time; - } - - return min_vertical_blank_time; -} - -static int determine_sclk_from_bounding_box( - const struct dc *dc, - int required_sclk) -{ - int i; - - /* - * Some asics do not give us sclk levels, so we just report the actual - * required sclk - */ - if (dc->sclk_lvls.num_levels == 0) - return required_sclk; - - for (i = 0; i < dc->sclk_lvls.num_levels; i++) { - if (dc->sclk_lvls.clocks_in_khz[i] >= required_sclk) - return dc->sclk_lvls.clocks_in_khz[i]; - } - /* - * even maximum level could not satisfy requirement, this - * is unexpected at this stage, should have been caught at - * validation time - */ - ASSERT(0); - return dc->sclk_lvls.clocks_in_khz[dc->sclk_lvls.num_levels - 1]; -} - -static void dce_pplib_apply_display_requirements( - struct dc *dc, - struct dc_state *context) -{ - struct dm_pp_display_configuration *pp_display_cfg = &context->pp_display_cfg; - - pp_display_cfg->avail_mclk_switch_time_us = dce110_get_min_vblank_time_us(context); - - dce110_fill_display_configs(context, pp_display_cfg); - - if (memcmp(&dc->current_state->pp_display_cfg, pp_display_cfg, sizeof(*pp_display_cfg)) != 0) - dm_pp_apply_display_requirements(dc->ctx, pp_display_cfg); -} - -static void dce11_pplib_apply_display_requirements( - struct dc *dc, - struct dc_state *context) -{ - struct dm_pp_display_configuration *pp_display_cfg = &context->pp_display_cfg; - - pp_display_cfg->all_displays_in_sync = - context->bw.dce.all_displays_in_sync; - pp_display_cfg->nb_pstate_switch_disable = - context->bw.dce.nbp_state_change_enable == false; - pp_display_cfg->cpu_cc6_disable = - context->bw.dce.cpuc_state_change_enable == false; - pp_display_cfg->cpu_pstate_disable = - context->bw.dce.cpup_state_change_enable == false; - pp_display_cfg->cpu_pstate_separation_time = - context->bw.dce.blackout_recovery_time_us; - - pp_display_cfg->min_memory_clock_khz = context->bw.dce.yclk_khz - / MEMORY_TYPE_MULTIPLIER_CZ; - - pp_display_cfg->min_engine_clock_khz = determine_sclk_from_bounding_box( - dc, - context->bw.dce.sclk_khz); - - pp_display_cfg->min_engine_clock_deep_sleep_khz - = context->bw.dce.sclk_deep_sleep_khz; - - pp_display_cfg->avail_mclk_switch_time_us = - dce110_get_min_vblank_time_us(context); - /* TODO: dce11.2*/ - pp_display_cfg->avail_mclk_switch_time_in_disp_active_us = 0; - - pp_display_cfg->disp_clk_khz = dc->res_pool->dccg->clks.dispclk_khz; - - dce110_fill_display_configs(context, pp_display_cfg); - - /* TODO: is this still applicable?*/ - if (pp_display_cfg->display_count == 1) { - const struct dc_crtc_timing *timing = - &context->streams[0]->timing; - - pp_display_cfg->crtc_index = - pp_display_cfg->disp_configs[0].pipe_idx; - pp_display_cfg->line_time_in_us = timing->h_total * 1000 / timing->pix_clk_khz; - } - - if (memcmp(&dc->current_state->pp_display_cfg, pp_display_cfg, sizeof(*pp_display_cfg)) != 0) - dm_pp_apply_display_requirements(dc->ctx, pp_display_cfg); -} - -static void dcn1_pplib_apply_display_requirements( - struct dc *dc, - struct dc_state *context) -{ - struct dm_pp_display_configuration *pp_display_cfg = &context->pp_display_cfg; - - pp_display_cfg->min_engine_clock_khz = dc->res_pool->dccg->clks.dcfclk_khz; - pp_display_cfg->min_memory_clock_khz = dc->res_pool->dccg->clks.fclk_khz; - pp_display_cfg->min_engine_clock_deep_sleep_khz = dc->res_pool->dccg->clks.dcfclk_deep_sleep_khz; - pp_display_cfg->min_dcfc_deep_sleep_clock_khz = dc->res_pool->dccg->clks.dcfclk_deep_sleep_khz; - pp_display_cfg->min_dcfclock_khz = dc->res_pool->dccg->clks.dcfclk_khz; - pp_display_cfg->disp_clk_khz = dc->res_pool->dccg->clks.dispclk_khz; - dce110_fill_display_configs(context, pp_display_cfg); - - if (memcmp(&dc->current_state->pp_display_cfg, pp_display_cfg, sizeof(*pp_display_cfg)) != 0) - dm_pp_apply_display_requirements(dc->ctx, pp_display_cfg); -} - -#ifdef CONFIG_X86 -static int dcn1_determine_dppclk_threshold(struct dccg *dccg, struct dc_clocks *new_clocks) -{ - bool request_dpp_div = new_clocks->dispclk_khz > new_clocks->dppclk_khz; - bool dispclk_increase = new_clocks->dispclk_khz > dccg->clks.dispclk_khz; - int disp_clk_threshold = new_clocks->max_supported_dppclk_khz; - bool cur_dpp_div = dccg->clks.dispclk_khz > dccg->clks.dppclk_khz; - - /* increase clock, looking for div is 0 for current, request div is 1*/ - if (dispclk_increase) { - /* already divided by 2, no need to reach target clk with 2 steps*/ - if (cur_dpp_div) - return new_clocks->dispclk_khz; - - /* request disp clk is lower than maximum supported dpp clk, - * no need to reach target clk with two steps. - */ - if (new_clocks->dispclk_khz <= disp_clk_threshold) - return new_clocks->dispclk_khz; - - /* target dpp clk not request divided by 2, still within threshold */ - if (!request_dpp_div) - return new_clocks->dispclk_khz; - - } else { - /* decrease clock, looking for current dppclk divided by 2, - * request dppclk not divided by 2. - */ - - /* current dpp clk not divided by 2, no need to ramp*/ - if (!cur_dpp_div) - return new_clocks->dispclk_khz; - - /* current disp clk is lower than current maximum dpp clk, - * no need to ramp - */ - if (dccg->clks.dispclk_khz <= disp_clk_threshold) - return new_clocks->dispclk_khz; - - /* request dpp clk need to be divided by 2 */ - if (request_dpp_div) - return new_clocks->dispclk_khz; - } - - return disp_clk_threshold; -} - -static void dcn1_ramp_up_dispclk_with_dpp(struct dccg *dccg, struct dc_clocks *new_clocks) -{ - struct dc *dc = dccg->ctx->dc; - int dispclk_to_dpp_threshold = dcn1_determine_dppclk_threshold(dccg, new_clocks); - bool request_dpp_div = new_clocks->dispclk_khz > new_clocks->dppclk_khz; - int i; - - /* set disp clk to dpp clk threshold */ - dce112_set_clock(dccg, dispclk_to_dpp_threshold); - - /* update request dpp clk division option */ - for (i = 0; i < dc->res_pool->pipe_count; i++) { - struct pipe_ctx *pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i]; - - if (!pipe_ctx->plane_state) - continue; - - pipe_ctx->plane_res.dpp->funcs->dpp_dppclk_control( - pipe_ctx->plane_res.dpp, - request_dpp_div, - true); - } - - /* If target clk not same as dppclk threshold, set to target clock */ - if (dispclk_to_dpp_threshold != new_clocks->dispclk_khz) - dce112_set_clock(dccg, new_clocks->dispclk_khz); - - dccg->clks.dispclk_khz = new_clocks->dispclk_khz; - dccg->clks.dppclk_khz = new_clocks->dppclk_khz; - dccg->clks.max_supported_dppclk_khz = new_clocks->max_supported_dppclk_khz; -} - -static void dcn1_update_clocks(struct dccg *dccg, - struct dc_state *context, - bool safe_to_lower) -{ - struct dc *dc = dccg->ctx->dc; - struct dc_clocks *new_clocks = &context->bw.dcn.clk; - struct pp_smu_display_requirement_rv *smu_req_cur = - &dc->res_pool->pp_smu_req; - struct pp_smu_display_requirement_rv smu_req = *smu_req_cur; - struct pp_smu_funcs_rv *pp_smu = dc->res_pool->pp_smu; - struct dm_pp_clock_for_voltage_req clock_voltage_req = {0}; - bool send_request_to_increase = false; - bool send_request_to_lower = false; - - if (new_clocks->phyclk_khz) - smu_req.display_count = 1; - else - smu_req.display_count = 0; - - if (new_clocks->dispclk_khz > dccg->clks.dispclk_khz - || new_clocks->phyclk_khz > dccg->clks.phyclk_khz - || new_clocks->fclk_khz > dccg->clks.fclk_khz - || new_clocks->dcfclk_khz > dccg->clks.dcfclk_khz) - send_request_to_increase = true; - - if (should_set_clock(safe_to_lower, new_clocks->phyclk_khz, dccg->clks.phyclk_khz)) { - dccg->clks.phyclk_khz = new_clocks->phyclk_khz; - - send_request_to_lower = true; - } - - if (should_set_clock(safe_to_lower, new_clocks->fclk_khz, dccg->clks.fclk_khz)) { - dccg->clks.fclk_khz = new_clocks->fclk_khz; - clock_voltage_req.clk_type = DM_PP_CLOCK_TYPE_FCLK; - clock_voltage_req.clocks_in_khz = new_clocks->fclk_khz; - smu_req.hard_min_fclk_khz = new_clocks->fclk_khz; - - dm_pp_apply_clock_for_voltage_request(dccg->ctx, &clock_voltage_req); - send_request_to_lower = true; - } - - if (should_set_clock(safe_to_lower, new_clocks->dcfclk_khz, dccg->clks.dcfclk_khz)) { - dccg->clks.dcfclk_khz = new_clocks->dcfclk_khz; - smu_req.hard_min_dcefclk_khz = new_clocks->dcfclk_khz; - - send_request_to_lower = true; - } - - if (should_set_clock(safe_to_lower, - new_clocks->dcfclk_deep_sleep_khz, dccg->clks.dcfclk_deep_sleep_khz)) { - dccg->clks.dcfclk_deep_sleep_khz = new_clocks->dcfclk_deep_sleep_khz; - smu_req.min_deep_sleep_dcefclk_mhz = new_clocks->dcfclk_deep_sleep_khz; - - send_request_to_lower = true; - } - - /* make sure dcf clk is before dpp clk to - * make sure we have enough voltage to run dpp clk - */ - if (send_request_to_increase) { - /*use dcfclk to request voltage*/ - clock_voltage_req.clk_type = DM_PP_CLOCK_TYPE_DCFCLK; - clock_voltage_req.clocks_in_khz = dcn_find_dcfclk_suits_all(dc, new_clocks); - dm_pp_apply_clock_for_voltage_request(dccg->ctx, &clock_voltage_req); - if (pp_smu->set_display_requirement) - pp_smu->set_display_requirement(&pp_smu->pp_smu, &smu_req); - dcn1_pplib_apply_display_requirements(dc, context); - } - - /* dcn1 dppclk is tied to dispclk */ - /* program dispclk on = as a w/a for sleep resume clock ramping issues */ - if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, dccg->clks.dispclk_khz) - || new_clocks->dispclk_khz == dccg->clks.dispclk_khz) { - dcn1_ramp_up_dispclk_with_dpp(dccg, new_clocks); - dccg->clks.dispclk_khz = new_clocks->dispclk_khz; - - send_request_to_lower = true; - } - - if (!send_request_to_increase && send_request_to_lower) { - /*use dcfclk to request voltage*/ - clock_voltage_req.clk_type = DM_PP_CLOCK_TYPE_DCFCLK; - clock_voltage_req.clocks_in_khz = dcn_find_dcfclk_suits_all(dc, new_clocks); - dm_pp_apply_clock_for_voltage_request(dccg->ctx, &clock_voltage_req); - if (pp_smu->set_display_requirement) - pp_smu->set_display_requirement(&pp_smu->pp_smu, &smu_req); - dcn1_pplib_apply_display_requirements(dc, context); - } - - - *smu_req_cur = smu_req; -} -#endif - -static void dce_update_clocks(struct dccg *dccg, - struct dc_state *context, - bool safe_to_lower) -{ - struct dce_dccg *dccg_dce = TO_DCE_DCCG(dccg); - struct dm_pp_power_level_change_request level_change_req; - int unpatched_disp_clk = context->bw.dce.dispclk_khz; - - /*TODO: W/A for dal3 linux, investigate why this works */ - if (!dccg_dce->dfs_bypass_active) - context->bw.dce.dispclk_khz = context->bw.dce.dispclk_khz * 115 / 100; - - level_change_req.power_level = dce_get_required_clocks_state(dccg, context); - /* get max clock state from PPLIB */ - if ((level_change_req.power_level < dccg_dce->cur_min_clks_state && safe_to_lower) - || level_change_req.power_level > dccg_dce->cur_min_clks_state) { - if (dm_pp_apply_power_level_change_request(dccg->ctx, &level_change_req)) - dccg_dce->cur_min_clks_state = level_change_req.power_level; - } - - if (should_set_clock(safe_to_lower, context->bw.dce.dispclk_khz, dccg->clks.dispclk_khz)) { - context->bw.dce.dispclk_khz = dce_set_clock(dccg, context->bw.dce.dispclk_khz); - dccg->clks.dispclk_khz = context->bw.dce.dispclk_khz; - } - dce_pplib_apply_display_requirements(dccg->ctx->dc, context); - - context->bw.dce.dispclk_khz = unpatched_disp_clk; -} - -static void dce11_update_clocks(struct dccg *dccg, - struct dc_state *context, - bool safe_to_lower) -{ - struct dce_dccg *dccg_dce = TO_DCE_DCCG(dccg); - struct dm_pp_power_level_change_request level_change_req; - - level_change_req.power_level = dce_get_required_clocks_state(dccg, context); - /* get max clock state from PPLIB */ - if ((level_change_req.power_level < dccg_dce->cur_min_clks_state && safe_to_lower) - || level_change_req.power_level > dccg_dce->cur_min_clks_state) { - if (dm_pp_apply_power_level_change_request(dccg->ctx, &level_change_req)) - dccg_dce->cur_min_clks_state = level_change_req.power_level; - } - - if (should_set_clock(safe_to_lower, context->bw.dce.dispclk_khz, dccg->clks.dispclk_khz)) { - context->bw.dce.dispclk_khz = dce_set_clock(dccg, context->bw.dce.dispclk_khz); - dccg->clks.dispclk_khz = context->bw.dce.dispclk_khz; - } - dce11_pplib_apply_display_requirements(dccg->ctx->dc, context); -} - -static void dce112_update_clocks(struct dccg *dccg, - struct dc_state *context, - bool safe_to_lower) -{ - struct dce_dccg *dccg_dce = TO_DCE_DCCG(dccg); - struct dm_pp_power_level_change_request level_change_req; - - level_change_req.power_level = dce_get_required_clocks_state(dccg, context); - /* get max clock state from PPLIB */ - if ((level_change_req.power_level < dccg_dce->cur_min_clks_state && safe_to_lower) - || level_change_req.power_level > dccg_dce->cur_min_clks_state) { - if (dm_pp_apply_power_level_change_request(dccg->ctx, &level_change_req)) - dccg_dce->cur_min_clks_state = level_change_req.power_level; - } - - if (should_set_clock(safe_to_lower, context->bw.dce.dispclk_khz, dccg->clks.dispclk_khz)) { - context->bw.dce.dispclk_khz = dce112_set_clock(dccg, context->bw.dce.dispclk_khz); - dccg->clks.dispclk_khz = context->bw.dce.dispclk_khz; - } - dce11_pplib_apply_display_requirements(dccg->ctx->dc, context); -} - -static void dce12_update_clocks(struct dccg *dccg, - struct dc_state *context, - bool safe_to_lower) -{ - struct dce_dccg *dccg_dce = TO_DCE_DCCG(dccg); - struct dm_pp_clock_for_voltage_req clock_voltage_req = {0}; - int max_pix_clk = get_max_pixel_clock_for_all_paths(context); - int unpatched_disp_clk = context->bw.dce.dispclk_khz; - - /*TODO: W/A for dal3 linux, investigate why this works */ - if (!dccg_dce->dfs_bypass_active) - context->bw.dce.dispclk_khz = context->bw.dce.dispclk_khz * 115 / 100; - - if (should_set_clock(safe_to_lower, context->bw.dce.dispclk_khz, dccg->clks.dispclk_khz)) { - clock_voltage_req.clk_type = DM_PP_CLOCK_TYPE_DISPLAY_CLK; - clock_voltage_req.clocks_in_khz = context->bw.dce.dispclk_khz; - context->bw.dce.dispclk_khz = dce112_set_clock(dccg, context->bw.dce.dispclk_khz); - dccg->clks.dispclk_khz = context->bw.dce.dispclk_khz; - - dm_pp_apply_clock_for_voltage_request(dccg->ctx, &clock_voltage_req); - } - - if (should_set_clock(safe_to_lower, max_pix_clk, dccg->clks.phyclk_khz)) { - clock_voltage_req.clk_type = DM_PP_CLOCK_TYPE_DISPLAYPHYCLK; - clock_voltage_req.clocks_in_khz = max_pix_clk; - dccg->clks.phyclk_khz = max_pix_clk; - - dm_pp_apply_clock_for_voltage_request(dccg->ctx, &clock_voltage_req); - } - dce11_pplib_apply_display_requirements(dccg->ctx->dc, context); - - context->bw.dce.dispclk_khz = unpatched_disp_clk; -} - -#ifdef CONFIG_DRM_AMD_DC_DCN1_0 -static const struct dccg_funcs dcn1_funcs = { - .get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz, - .update_clocks = dcn1_update_clocks -}; -#endif - -static const struct dccg_funcs dce120_funcs = { - .get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz, - .update_clocks = dce12_update_clocks -}; - -static const struct dccg_funcs dce112_funcs = { - .get_dp_ref_clk_frequency = dce_get_dp_ref_freq_khz, - .update_clocks = dce112_update_clocks -}; - -static const struct dccg_funcs dce110_funcs = { - .get_dp_ref_clk_frequency = dce_get_dp_ref_freq_khz, - .update_clocks = dce11_update_clocks, -}; - -static const struct dccg_funcs dce_funcs = { - .get_dp_ref_clk_frequency = dce_get_dp_ref_freq_khz, - .update_clocks = dce_update_clocks -}; - -static void dce_dccg_construct( - struct dce_dccg *dccg_dce, - struct dc_context *ctx, - const struct dccg_registers *regs, - const struct dccg_shift *clk_shift, - const struct dccg_mask *clk_mask) -{ - struct dccg *base = &dccg_dce->base; - struct dm_pp_static_clock_info static_clk_info = {0}; - - base->ctx = ctx; - base->funcs = &dce_funcs; - - dccg_dce->regs = regs; - dccg_dce->dccg_shift = clk_shift; - dccg_dce->dccg_mask = clk_mask; - - dccg_dce->dfs_bypass_disp_clk = 0; - - dccg_dce->dprefclk_ss_percentage = 0; - dccg_dce->dprefclk_ss_divider = 1000; - dccg_dce->ss_on_dprefclk = false; - - - if (dm_pp_get_static_clocks(ctx, &static_clk_info)) - dccg_dce->max_clks_state = static_clk_info.max_clocks_state; - else - dccg_dce->max_clks_state = DM_PP_CLOCKS_STATE_NOMINAL; - dccg_dce->cur_min_clks_state = DM_PP_CLOCKS_STATE_INVALID; - - dce_clock_read_integrated_info(dccg_dce); - dce_clock_read_ss_info(dccg_dce); -} - -struct dccg *dce_dccg_create( - struct dc_context *ctx, - const struct dccg_registers *regs, - const struct dccg_shift *clk_shift, - const struct dccg_mask *clk_mask) -{ - struct dce_dccg *dccg_dce = kzalloc(sizeof(*dccg_dce), GFP_KERNEL); - - if (dccg_dce == NULL) { - BREAK_TO_DEBUGGER(); - return NULL; - } - - memcpy(dccg_dce->max_clks_by_state, - dce80_max_clks_by_state, - sizeof(dce80_max_clks_by_state)); - - dce_dccg_construct( - dccg_dce, ctx, regs, clk_shift, clk_mask); - - return &dccg_dce->base; -} - -struct dccg *dce110_dccg_create( - struct dc_context *ctx, - const struct dccg_registers *regs, - const struct dccg_shift *clk_shift, - const struct dccg_mask *clk_mask) -{ - struct dce_dccg *dccg_dce = kzalloc(sizeof(*dccg_dce), GFP_KERNEL); - - if (dccg_dce == NULL) { - BREAK_TO_DEBUGGER(); - return NULL; - } - - memcpy(dccg_dce->max_clks_by_state, - dce110_max_clks_by_state, - sizeof(dce110_max_clks_by_state)); - - dce_dccg_construct( - dccg_dce, ctx, regs, clk_shift, clk_mask); - - dccg_dce->base.funcs = &dce110_funcs; - - return &dccg_dce->base; -} - -struct dccg *dce112_dccg_create( - struct dc_context *ctx, - const struct dccg_registers *regs, - const struct dccg_shift *clk_shift, - const struct dccg_mask *clk_mask) -{ - struct dce_dccg *dccg_dce = kzalloc(sizeof(*dccg_dce), GFP_KERNEL); - - if (dccg_dce == NULL) { - BREAK_TO_DEBUGGER(); - return NULL; - } - - memcpy(dccg_dce->max_clks_by_state, - dce112_max_clks_by_state, - sizeof(dce112_max_clks_by_state)); - - dce_dccg_construct( - dccg_dce, ctx, regs, clk_shift, clk_mask); - - dccg_dce->base.funcs = &dce112_funcs; - - return &dccg_dce->base; -} - -struct dccg *dce120_dccg_create(struct dc_context *ctx) -{ - struct dce_dccg *dccg_dce = kzalloc(sizeof(*dccg_dce), GFP_KERNEL); - - if (dccg_dce == NULL) { - BREAK_TO_DEBUGGER(); - return NULL; - } - - memcpy(dccg_dce->max_clks_by_state, - dce120_max_clks_by_state, - sizeof(dce120_max_clks_by_state)); - - dce_dccg_construct( - dccg_dce, ctx, NULL, NULL, NULL); - - dccg_dce->dprefclk_khz = 600000; - dccg_dce->base.funcs = &dce120_funcs; - - return &dccg_dce->base; -} - -#ifdef CONFIG_X86 -struct dccg *dcn1_dccg_create(struct dc_context *ctx) -{ - struct dc_debug_options *debug = &ctx->dc->debug; - struct dc_bios *bp = ctx->dc_bios; - struct dc_firmware_info fw_info = { { 0 } }; - struct dce_dccg *dccg_dce = kzalloc(sizeof(*dccg_dce), GFP_KERNEL); - - if (dccg_dce == NULL) { - BREAK_TO_DEBUGGER(); - return NULL; - } - - dccg_dce->base.ctx = ctx; - dccg_dce->base.funcs = &dcn1_funcs; - - dccg_dce->dfs_bypass_disp_clk = 0; - - dccg_dce->dprefclk_ss_percentage = 0; - dccg_dce->dprefclk_ss_divider = 1000; - dccg_dce->ss_on_dprefclk = false; - - dccg_dce->dprefclk_khz = 600000; - if (bp->integrated_info) - dccg_dce->dentist_vco_freq_khz = bp->integrated_info->dentist_vco_freq; - if (dccg_dce->dentist_vco_freq_khz == 0) { - bp->funcs->get_firmware_info(bp, &fw_info); - dccg_dce->dentist_vco_freq_khz = fw_info.smu_gpu_pll_output_freq; - if (dccg_dce->dentist_vco_freq_khz == 0) - dccg_dce->dentist_vco_freq_khz = 3600000; - } - - if (!debug->disable_dfs_bypass && bp->integrated_info) - if (bp->integrated_info->gpu_cap_info & DFS_BYPASS_ENABLE) - dccg_dce->dfs_bypass_enabled = true; - - dce_clock_read_ss_info(dccg_dce); - - return &dccg_dce->base; -} -#endif - -void dce_dccg_destroy(struct dccg **dccg) -{ - struct dce_dccg *dccg_dce = TO_DCE_DCCG(*dccg); - - kfree(dccg_dce); - *dccg = NULL; -} diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.h b/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.h deleted file mode 100644 index 8f902f2..0000000 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.h +++ /dev/null @@ -1,133 +0,0 @@ -/* - * 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 - * - */ - - -#ifndef _DCE_CLOCKS_H_ -#define _DCE_CLOCKS_H_ - -#include "display_clock.h" - -#define MEMORY_TYPE_MULTIPLIER_CZ 4 - -#define CLK_COMMON_REG_LIST_DCE_BASE() \ - .DPREFCLK_CNTL = mmDPREFCLK_CNTL, \ - .DENTIST_DISPCLK_CNTL = mmDENTIST_DISPCLK_CNTL - -#define CLK_COMMON_REG_LIST_DCN_BASE() \ - SR(DENTIST_DISPCLK_CNTL) - -#define CLK_SF(reg_name, field_name, post_fix)\ - .field_name = reg_name ## __ ## field_name ## post_fix - -#define CLK_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(mask_sh) \ - CLK_SF(DPREFCLK_CNTL, DPREFCLK_SRC_SEL, mask_sh), \ - CLK_SF(DENTIST_DISPCLK_CNTL, DENTIST_DPREFCLK_WDIVIDER, mask_sh) - -#define CLK_COMMON_MASK_SH_LIST_DCN_COMMON_BASE(mask_sh) \ - CLK_SF(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_WDIVIDER, mask_sh),\ - CLK_SF(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_CHG_DONE, mask_sh) - -#define CLK_REG_FIELD_LIST(type) \ - type DPREFCLK_SRC_SEL; \ - type DENTIST_DPREFCLK_WDIVIDER; \ - type DENTIST_DISPCLK_WDIVIDER; \ - type DENTIST_DISPCLK_CHG_DONE; - -struct dccg_shift { - CLK_REG_FIELD_LIST(uint8_t) -}; - -struct dccg_mask { - CLK_REG_FIELD_LIST(uint32_t) -}; - -struct dccg_registers { - uint32_t DPREFCLK_CNTL; - uint32_t DENTIST_DISPCLK_CNTL; -}; - -struct state_dependent_clocks { - int display_clk_khz; - int pixel_clk_khz; -}; - -struct dce_dccg { - struct dccg base; - const struct dccg_registers *regs; - const struct dccg_shift *dccg_shift; - const struct dccg_mask *dccg_mask; - - struct state_dependent_clocks max_clks_by_state[DM_PP_CLOCKS_MAX_STATES]; - - int dentist_vco_freq_khz; - - /* Cache the status of DFS-bypass feature*/ - bool dfs_bypass_enabled; - /* True if the DFS-bypass feature is enabled and active. */ - bool dfs_bypass_active; - /* Cache the display clock returned by VBIOS if DFS-bypass is enabled. - * This is basically "Crystal Frequency In KHz" (XTALIN) frequency */ - int dfs_bypass_disp_clk; - - /* Flag for Enabled SS on DPREFCLK */ - bool ss_on_dprefclk; - /* DPREFCLK SS percentage (if down-spread enabled) */ - int dprefclk_ss_percentage; - /* DPREFCLK SS percentage Divider (100 or 1000) */ - int dprefclk_ss_divider; - int dprefclk_khz; - - enum dm_pp_clocks_state max_clks_state; - enum dm_pp_clocks_state cur_min_clks_state; -}; - - -struct dccg *dce_dccg_create( - struct dc_context *ctx, - const struct dccg_registers *regs, - const struct dccg_shift *clk_shift, - const struct dccg_mask *clk_mask); - -struct dccg *dce110_dccg_create( - struct dc_context *ctx, - const struct dccg_registers *regs, - const struct dccg_shift *clk_shift, - const struct dccg_mask *clk_mask); - -struct dccg *dce112_dccg_create( - struct dc_context *ctx, - const struct dccg_registers *regs, - const struct dccg_shift *clk_shift, - const struct dccg_mask *clk_mask); - -struct dccg *dce120_dccg_create(struct dc_context *ctx); - -#ifdef CONFIG_X86 -struct dccg *dcn1_dccg_create(struct dc_context *ctx); -#endif - -void dce_dccg_destroy(struct dccg **dccg); - -#endif /* _DCE_CLOCKS_H_ */ diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_dccg.c b/drivers/gpu/drm/amd/display/dc/dce/dce_dccg.c new file mode 100644 index 0000000..97c143b --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_dccg.c @@ -0,0 +1,876 @@ +/* + * 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 "dce_dccg.h" + +#include "reg_helper.h" +#include "dmcu.h" +#include "core_types.h" +#include "dal_asic_id.h" + +#define TO_DCE_DCCG(clocks)\ + container_of(clocks, struct dce_dccg, base) + +#define REG(reg) \ + (dccg_dce->regs->reg) + +#undef FN +#define FN(reg_name, field_name) \ + dccg_dce->dccg_shift->field_name, dccg_dce->dccg_mask->field_name + +#define CTX \ + dccg_dce->base.ctx +#define DC_LOGGER \ + dccg->ctx->logger + +/* Max clock values for each state indexed by "enum clocks_state": */ +static const struct state_dependent_clocks dce80_max_clks_by_state[] = { +/* ClocksStateInvalid - should not be used */ +{ .display_clk_khz = 0, .pixel_clk_khz = 0 }, +/* ClocksStateUltraLow - not expected to be used for DCE 8.0 */ +{ .display_clk_khz = 0, .pixel_clk_khz = 0 }, +/* ClocksStateLow */ +{ .display_clk_khz = 352000, .pixel_clk_khz = 330000}, +/* ClocksStateNominal */ +{ .display_clk_khz = 600000, .pixel_clk_khz = 400000 }, +/* ClocksStatePerformance */ +{ .display_clk_khz = 600000, .pixel_clk_khz = 400000 } }; + +static const struct state_dependent_clocks dce110_max_clks_by_state[] = { +/*ClocksStateInvalid - should not be used*/ +{ .display_clk_khz = 0, .pixel_clk_khz = 0 }, +/*ClocksStateUltraLow - currently by HW design team not supposed to be used*/ +{ .display_clk_khz = 352000, .pixel_clk_khz = 330000 }, +/*ClocksStateLow*/ +{ .display_clk_khz = 352000, .pixel_clk_khz = 330000 }, +/*ClocksStateNominal*/ +{ .display_clk_khz = 467000, .pixel_clk_khz = 400000 }, +/*ClocksStatePerformance*/ +{ .display_clk_khz = 643000, .pixel_clk_khz = 400000 } }; + +static const struct state_dependent_clocks dce112_max_clks_by_state[] = { +/*ClocksStateInvalid - should not be used*/ +{ .display_clk_khz = 0, .pixel_clk_khz = 0 }, +/*ClocksStateUltraLow - currently by HW design team not supposed to be used*/ +{ .display_clk_khz = 389189, .pixel_clk_khz = 346672 }, +/*ClocksStateLow*/ +{ .display_clk_khz = 459000, .pixel_clk_khz = 400000 }, +/*ClocksStateNominal*/ +{ .display_clk_khz = 667000, .pixel_clk_khz = 600000 }, +/*ClocksStatePerformance*/ +{ .display_clk_khz = 1132000, .pixel_clk_khz = 600000 } }; + +static const struct state_dependent_clocks dce120_max_clks_by_state[] = { +/*ClocksStateInvalid - should not be used*/ +{ .display_clk_khz = 0, .pixel_clk_khz = 0 }, +/*ClocksStateUltraLow - currently by HW design team not supposed to be used*/ +{ .display_clk_khz = 0, .pixel_clk_khz = 0 }, +/*ClocksStateLow*/ +{ .display_clk_khz = 460000, .pixel_clk_khz = 400000 }, +/*ClocksStateNominal*/ +{ .display_clk_khz = 670000, .pixel_clk_khz = 600000 }, +/*ClocksStatePerformance*/ +{ .display_clk_khz = 1133000, .pixel_clk_khz = 600000 } }; + +static int dentist_get_divider_from_did(int did) +{ + if (did < DENTIST_BASE_DID_1) + did = DENTIST_BASE_DID_1; + if (did > DENTIST_MAX_DID) + did = DENTIST_MAX_DID; + + if (did < DENTIST_BASE_DID_2) { + return DENTIST_DIVIDER_RANGE_1_START + DENTIST_DIVIDER_RANGE_1_STEP + * (did - DENTIST_BASE_DID_1); + } else if (did < DENTIST_BASE_DID_3) { + return DENTIST_DIVIDER_RANGE_2_START + DENTIST_DIVIDER_RANGE_2_STEP + * (did - DENTIST_BASE_DID_2); + } else { + return DENTIST_DIVIDER_RANGE_3_START + DENTIST_DIVIDER_RANGE_3_STEP + * (did - DENTIST_BASE_DID_3); + } +} + +/* SW will adjust DP REF Clock average value for all purposes + * (DP DTO / DP Audio DTO and DP GTC) + if clock is spread for all cases: + -if SS enabled on DP Ref clock and HW de-spreading enabled with SW + calculations for DS_INCR/DS_MODULO (this is planned to be default case) + -if SS enabled on DP Ref clock and HW de-spreading enabled with HW + calculations (not planned to be used, but average clock should still + be valid) + -if SS enabled on DP Ref clock and HW de-spreading disabled + (should not be case with CIK) then SW should program all rates + generated according to average value (case as with previous ASICs) + */ +static int dccg_adjust_dp_ref_freq_for_ss(struct dce_dccg *dccg_dce, int dp_ref_clk_khz) +{ + if (dccg_dce->ss_on_dprefclk && dccg_dce->dprefclk_ss_divider != 0) { + struct fixed31_32 ss_percentage = dc_fixpt_div_int( + dc_fixpt_from_fraction(dccg_dce->dprefclk_ss_percentage, + dccg_dce->dprefclk_ss_divider), 200); + struct fixed31_32 adj_dp_ref_clk_khz; + + ss_percentage = dc_fixpt_sub(dc_fixpt_one, ss_percentage); + adj_dp_ref_clk_khz = dc_fixpt_mul_int(ss_percentage, dp_ref_clk_khz); + dp_ref_clk_khz = dc_fixpt_floor(adj_dp_ref_clk_khz); + } + return dp_ref_clk_khz; +} + +static int dce_get_dp_ref_freq_khz(struct dccg *dccg) +{ + struct dce_dccg *dccg_dce = TO_DCE_DCCG(dccg); + int dprefclk_wdivider; + int dprefclk_src_sel; + int dp_ref_clk_khz = 600000; + int target_div; + + /* ASSERT DP Reference Clock source is from DFS*/ + REG_GET(DPREFCLK_CNTL, DPREFCLK_SRC_SEL, &dprefclk_src_sel); + ASSERT(dprefclk_src_sel == 0); + + /* Read the mmDENTIST_DISPCLK_CNTL to get the currently + * programmed DID DENTIST_DPREFCLK_WDIVIDER*/ + REG_GET(DENTIST_DISPCLK_CNTL, DENTIST_DPREFCLK_WDIVIDER, &dprefclk_wdivider); + + /* Convert DENTIST_DPREFCLK_WDIVIDERto actual divider*/ + target_div = dentist_get_divider_from_did(dprefclk_wdivider); + + /* Calculate the current DFS clock, in kHz.*/ + dp_ref_clk_khz = (DENTIST_DIVIDER_RANGE_SCALE_FACTOR + * dccg_dce->dentist_vco_freq_khz) / target_div; + + return dccg_adjust_dp_ref_freq_for_ss(dccg_dce, dp_ref_clk_khz); +} + +int dce12_get_dp_ref_freq_khz(struct dccg *dccg) +{ + struct dce_dccg *dccg_dce = TO_DCE_DCCG(dccg); + + return dccg_adjust_dp_ref_freq_for_ss(dccg_dce, dccg_dce->dprefclk_khz); +} + +/* unit: in_khz before mode set, get pixel clock from context. ASIC register + * may not be programmed yet + */ +static uint32_t get_max_pixel_clock_for_all_paths(struct dc_state *context) +{ + uint32_t max_pix_clk = 0; + int i; + + for (i = 0; i < MAX_PIPES; i++) { + struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i]; + + if (pipe_ctx->stream == NULL) + continue; + + /* do not check under lay */ + if (pipe_ctx->top_pipe) + continue; + + if (pipe_ctx->stream_res.pix_clk_params.requested_pix_clk > max_pix_clk) + max_pix_clk = pipe_ctx->stream_res.pix_clk_params.requested_pix_clk; + + /* raise clock state for HBR3/2 if required. Confirmed with HW DCE/DPCS + * logic for HBR3 still needs Nominal (0.8V) on VDDC rail + */ + if (dc_is_dp_signal(pipe_ctx->stream->signal) && + pipe_ctx->stream_res.pix_clk_params.requested_sym_clk > max_pix_clk) + max_pix_clk = pipe_ctx->stream_res.pix_clk_params.requested_sym_clk; + } + + return max_pix_clk; +} + +static enum dm_pp_clocks_state dce_get_required_clocks_state( + struct dccg *dccg, + struct dc_state *context) +{ + struct dce_dccg *dccg_dce = TO_DCE_DCCG(dccg); + int i; + enum dm_pp_clocks_state low_req_clk; + int max_pix_clk = get_max_pixel_clock_for_all_paths(context); + + /* Iterate from highest supported to lowest valid state, and update + * lowest RequiredState with the lowest state that satisfies + * all required clocks + */ + for (i = dccg_dce->max_clks_state; i >= DM_PP_CLOCKS_STATE_ULTRA_LOW; i--) + if (context->bw.dce.dispclk_khz > + dccg_dce->max_clks_by_state[i].display_clk_khz + || max_pix_clk > + dccg_dce->max_clks_by_state[i].pixel_clk_khz) + break; + + low_req_clk = i + 1; + if (low_req_clk > dccg_dce->max_clks_state) { + /* set max clock state for high phyclock, invalid on exceeding display clock */ + if (dccg_dce->max_clks_by_state[dccg_dce->max_clks_state].display_clk_khz + < context->bw.dce.dispclk_khz) + low_req_clk = DM_PP_CLOCKS_STATE_INVALID; + else + low_req_clk = dccg_dce->max_clks_state; + } + + return low_req_clk; +} + +static int dce_set_clock( + struct dccg *dccg, + int requested_clk_khz) +{ + struct dce_dccg *dccg_dce = TO_DCE_DCCG(dccg); + struct bp_pixel_clock_parameters pxl_clk_params = { 0 }; + struct dc_bios *bp = dccg->ctx->dc_bios; + int actual_clock = requested_clk_khz; + struct dmcu *dmcu = dccg_dce->base.ctx->dc->res_pool->dmcu; + + /* Make sure requested clock isn't lower than minimum threshold*/ + if (requested_clk_khz > 0) + requested_clk_khz = max(requested_clk_khz, + dccg_dce->dentist_vco_freq_khz / 64); + + /* Prepare to program display clock*/ + pxl_clk_params.target_pixel_clock = requested_clk_khz; + pxl_clk_params.pll_id = CLOCK_SOURCE_ID_DFS; + + if (dccg_dce->dfs_bypass_active) + pxl_clk_params.flags.SET_DISPCLK_DFS_BYPASS = true; + + bp->funcs->program_display_engine_pll(bp, &pxl_clk_params); + + if (dccg_dce->dfs_bypass_active) { + /* Cache the fixed display clock*/ + dccg_dce->dfs_bypass_disp_clk = + pxl_clk_params.dfs_bypass_display_clock; + actual_clock = pxl_clk_params.dfs_bypass_display_clock; + } + + /* from power down, we need mark the clock state as ClocksStateNominal + * from HWReset, so when resume we will call pplib voltage regulator.*/ + if (requested_clk_khz == 0) + dccg_dce->cur_min_clks_state = DM_PP_CLOCKS_STATE_NOMINAL; + + dmcu->funcs->set_psr_wait_loop(dmcu, actual_clock / 1000 / 7); + + return actual_clock; +} + +int dce112_set_clock(struct dccg *dccg, int requested_clk_khz) +{ + struct dce_dccg *dccg_dce = TO_DCE_DCCG(dccg); + struct bp_set_dce_clock_parameters dce_clk_params; + struct dc_bios *bp = dccg->ctx->dc_bios; + struct dc *core_dc = dccg->ctx->dc; + struct dmcu *dmcu = core_dc->res_pool->dmcu; + int actual_clock = requested_clk_khz; + /* Prepare to program display clock*/ + memset(&dce_clk_params, 0, sizeof(dce_clk_params)); + + /* Make sure requested clock isn't lower than minimum threshold*/ + if (requested_clk_khz > 0) + requested_clk_khz = max(requested_clk_khz, + dccg_dce->dentist_vco_freq_khz / 62); + + dce_clk_params.target_clock_frequency = requested_clk_khz; + dce_clk_params.pll_id = CLOCK_SOURCE_ID_DFS; + dce_clk_params.clock_type = DCECLOCK_TYPE_DISPLAY_CLOCK; + + bp->funcs->set_dce_clock(bp, &dce_clk_params); + actual_clock = dce_clk_params.target_clock_frequency; + + /* from power down, we need mark the clock state as ClocksStateNominal + * from HWReset, so when resume we will call pplib voltage regulator.*/ + if (requested_clk_khz == 0) + dccg_dce->cur_min_clks_state = DM_PP_CLOCKS_STATE_NOMINAL; + + /*Program DP ref Clock*/ + /*VBIOS will determine DPREFCLK frequency, so we don't set it*/ + dce_clk_params.target_clock_frequency = 0; + dce_clk_params.clock_type = DCECLOCK_TYPE_DPREFCLK; + if (!ASICREV_IS_VEGA20_P(dccg->ctx->asic_id.hw_internal_rev)) + dce_clk_params.flags.USE_GENLOCK_AS_SOURCE_FOR_DPREFCLK = + (dce_clk_params.pll_id == + CLOCK_SOURCE_COMBO_DISPLAY_PLL0); + else + dce_clk_params.flags.USE_GENLOCK_AS_SOURCE_FOR_DPREFCLK = false; + + bp->funcs->set_dce_clock(bp, &dce_clk_params); + + if (!IS_FPGA_MAXIMUS_DC(core_dc->ctx->dce_environment)) { + if (dccg_dce->dfs_bypass_disp_clk != actual_clock) + dmcu->funcs->set_psr_wait_loop(dmcu, + actual_clock / 1000 / 7); + } + + dccg_dce->dfs_bypass_disp_clk = actual_clock; + return actual_clock; +} + +static void dce_clock_read_integrated_info(struct dce_dccg *dccg_dce) +{ + struct dc_debug_options *debug = &dccg_dce->base.ctx->dc->debug; + struct dc_bios *bp = dccg_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; + + dccg_dce->dentist_vco_freq_khz = info.dentist_vco_freq; + if (dccg_dce->dentist_vco_freq_khz == 0) { + bp->funcs->get_firmware_info(bp, &fw_info); + dccg_dce->dentist_vco_freq_khz = + fw_info.smu_gpu_pll_output_freq; + if (dccg_dce->dentist_vco_freq_khz == 0) + dccg_dce->dentist_vco_freq_khz = 3600000; + } + + /*update the maximum display clock for each power state*/ + for (i = 0; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) { + enum dm_pp_clocks_state clk_state = DM_PP_CLOCKS_STATE_INVALID; + + switch (i) { + case 0: + clk_state = DM_PP_CLOCKS_STATE_ULTRA_LOW; + break; + + case 1: + clk_state = DM_PP_CLOCKS_STATE_LOW; + break; + + case 2: + clk_state = DM_PP_CLOCKS_STATE_NOMINAL; + break; + + case 3: + clk_state = DM_PP_CLOCKS_STATE_PERFORMANCE; + break; + + default: + clk_state = DM_PP_CLOCKS_STATE_INVALID; + break; + } + + /*Do not allow bad VBIOS/SBIOS to override with invalid values, + * check for > 100MHz*/ + if (info.disp_clk_voltage[i].max_supported_clk >= 100000) + dccg_dce->max_clks_by_state[clk_state].display_clk_khz = + info.disp_clk_voltage[i].max_supported_clk; + } + + if (!debug->disable_dfs_bypass && bp->integrated_info) + if (bp->integrated_info->gpu_cap_info & DFS_BYPASS_ENABLE) + dccg_dce->dfs_bypass_enabled = true; +} + +void dce_clock_read_ss_info(struct dce_dccg *dccg_dce) +{ + struct dc_bios *bp = dccg_dce->base.ctx->dc_bios; + int ss_info_num = bp->funcs->get_ss_entry_number( + bp, AS_SIGNAL_TYPE_GPU_PLL); + + if (ss_info_num) { + struct spread_spectrum_info info = { { 0 } }; + enum bp_result result = bp->funcs->get_spread_spectrum_info( + bp, AS_SIGNAL_TYPE_GPU_PLL, 0, &info); + + /* Based on VBIOS, VBIOS will keep entry for GPU PLL SS + * even if SS not enabled and in that case + * SSInfo.spreadSpectrumPercentage !=0 would be sign + * that SS is enabled + */ + if (result == BP_RESULT_OK && + info.spread_spectrum_percentage != 0) { + dccg_dce->ss_on_dprefclk = true; + dccg_dce->dprefclk_ss_divider = info.spread_percentage_divider; + + if (info.type.CENTER_MODE == 0) { + /* TODO: Currently for DP Reference clock we + * need only SS percentage for + * downspread */ + dccg_dce->dprefclk_ss_percentage = + info.spread_spectrum_percentage; + } + + return; + } + + result = bp->funcs->get_spread_spectrum_info( + bp, AS_SIGNAL_TYPE_DISPLAY_PORT, 0, &info); + + /* Based on VBIOS, VBIOS will keep entry for DPREFCLK SS + * even if SS not enabled and in that case + * SSInfo.spreadSpectrumPercentage !=0 would be sign + * that SS is enabled + */ + if (result == BP_RESULT_OK && + info.spread_spectrum_percentage != 0) { + dccg_dce->ss_on_dprefclk = true; + dccg_dce->dprefclk_ss_divider = info.spread_percentage_divider; + + if (info.type.CENTER_MODE == 0) { + /* Currently for DP Reference clock we + * need only SS percentage for + * downspread */ + dccg_dce->dprefclk_ss_percentage = + info.spread_spectrum_percentage; + } + } + } +} + +void dce110_fill_display_configs( + const struct dc_state *context, + struct dm_pp_display_configuration *pp_display_cfg) +{ + int j; + int num_cfgs = 0; + + for (j = 0; j < context->stream_count; j++) { + int k; + + const struct dc_stream_state *stream = context->streams[j]; + struct dm_pp_single_disp_config *cfg = + &pp_display_cfg->disp_configs[num_cfgs]; + const struct pipe_ctx *pipe_ctx = NULL; + + for (k = 0; k < MAX_PIPES; k++) + if (stream == context->res_ctx.pipe_ctx[k].stream) { + pipe_ctx = &context->res_ctx.pipe_ctx[k]; + break; + } + + ASSERT(pipe_ctx != NULL); + + /* only notify active stream */ + if (stream->dpms_off) + continue; + + num_cfgs++; + cfg->signal = pipe_ctx->stream->signal; + cfg->pipe_idx = pipe_ctx->stream_res.tg->inst; + cfg->src_height = stream->src.height; + cfg->src_width = stream->src.width; + cfg->ddi_channel_mapping = + stream->sink->link->ddi_channel_mapping.raw; + cfg->transmitter = + stream->sink->link->link_enc->transmitter; + cfg->link_settings.lane_count = + stream->sink->link->cur_link_settings.lane_count; + cfg->link_settings.link_rate = + stream->sink->link->cur_link_settings.link_rate; + cfg->link_settings.link_spread = + stream->sink->link->cur_link_settings.link_spread; + cfg->sym_clock = stream->phy_pix_clk; + /* Round v_refresh*/ + cfg->v_refresh = stream->timing.pix_clk_khz * 1000; + cfg->v_refresh /= stream->timing.h_total; + cfg->v_refresh = (cfg->v_refresh + stream->timing.v_total / 2) + / stream->timing.v_total; + } + + pp_display_cfg->display_count = num_cfgs; +} + +static uint32_t dce110_get_min_vblank_time_us(const struct dc_state *context) +{ + uint8_t j; + uint32_t min_vertical_blank_time = -1; + + for (j = 0; j < context->stream_count; j++) { + struct dc_stream_state *stream = context->streams[j]; + uint32_t vertical_blank_in_pixels = 0; + uint32_t vertical_blank_time = 0; + + vertical_blank_in_pixels = stream->timing.h_total * + (stream->timing.v_total + - stream->timing.v_addressable); + + vertical_blank_time = vertical_blank_in_pixels + * 1000 / stream->timing.pix_clk_khz; + + if (min_vertical_blank_time > vertical_blank_time) + min_vertical_blank_time = vertical_blank_time; + } + + return min_vertical_blank_time; +} + +static int determine_sclk_from_bounding_box( + const struct dc *dc, + int required_sclk) +{ + int i; + + /* + * Some asics do not give us sclk levels, so we just report the actual + * required sclk + */ + if (dc->sclk_lvls.num_levels == 0) + return required_sclk; + + for (i = 0; i < dc->sclk_lvls.num_levels; i++) { + if (dc->sclk_lvls.clocks_in_khz[i] >= required_sclk) + return dc->sclk_lvls.clocks_in_khz[i]; + } + /* + * even maximum level could not satisfy requirement, this + * is unexpected at this stage, should have been caught at + * validation time + */ + ASSERT(0); + return dc->sclk_lvls.clocks_in_khz[dc->sclk_lvls.num_levels - 1]; +} + +static void dce_pplib_apply_display_requirements( + struct dc *dc, + struct dc_state *context) +{ + struct dm_pp_display_configuration *pp_display_cfg = &context->pp_display_cfg; + + pp_display_cfg->avail_mclk_switch_time_us = dce110_get_min_vblank_time_us(context); + + dce110_fill_display_configs(context, pp_display_cfg); + + if (memcmp(&dc->current_state->pp_display_cfg, pp_display_cfg, sizeof(*pp_display_cfg)) != 0) + dm_pp_apply_display_requirements(dc->ctx, pp_display_cfg); +} + +static void dce11_pplib_apply_display_requirements( + struct dc *dc, + struct dc_state *context) +{ + struct dm_pp_display_configuration *pp_display_cfg = &context->pp_display_cfg; + + pp_display_cfg->all_displays_in_sync = + context->bw.dce.all_displays_in_sync; + pp_display_cfg->nb_pstate_switch_disable = + context->bw.dce.nbp_state_change_enable == false; + pp_display_cfg->cpu_cc6_disable = + context->bw.dce.cpuc_state_change_enable == false; + pp_display_cfg->cpu_pstate_disable = + context->bw.dce.cpup_state_change_enable == false; + pp_display_cfg->cpu_pstate_separation_time = + context->bw.dce.blackout_recovery_time_us; + + pp_display_cfg->min_memory_clock_khz = context->bw.dce.yclk_khz + / MEMORY_TYPE_MULTIPLIER_CZ; + + pp_display_cfg->min_engine_clock_khz = determine_sclk_from_bounding_box( + dc, + context->bw.dce.sclk_khz); + + pp_display_cfg->min_engine_clock_deep_sleep_khz + = context->bw.dce.sclk_deep_sleep_khz; + + pp_display_cfg->avail_mclk_switch_time_us = + dce110_get_min_vblank_time_us(context); + /* TODO: dce11.2*/ + pp_display_cfg->avail_mclk_switch_time_in_disp_active_us = 0; + + pp_display_cfg->disp_clk_khz = dc->res_pool->dccg->clks.dispclk_khz; + + dce110_fill_display_configs(context, pp_display_cfg); + + /* TODO: is this still applicable?*/ + if (pp_display_cfg->display_count == 1) { + const struct dc_crtc_timing *timing = + &context->streams[0]->timing; + + pp_display_cfg->crtc_index = + pp_display_cfg->disp_configs[0].pipe_idx; + pp_display_cfg->line_time_in_us = timing->h_total * 1000 / timing->pix_clk_khz; + } + + if (memcmp(&dc->current_state->pp_display_cfg, pp_display_cfg, sizeof(*pp_display_cfg)) != 0) + dm_pp_apply_display_requirements(dc->ctx, pp_display_cfg); +} + +static void dce_update_clocks(struct dccg *dccg, + struct dc_state *context, + bool safe_to_lower) +{ + struct dce_dccg *dccg_dce = TO_DCE_DCCG(dccg); + struct dm_pp_power_level_change_request level_change_req; + int unpatched_disp_clk = context->bw.dce.dispclk_khz; + + /*TODO: W/A for dal3 linux, investigate why this works */ + if (!dccg_dce->dfs_bypass_active) + context->bw.dce.dispclk_khz = context->bw.dce.dispclk_khz * 115 / 100; + + level_change_req.power_level = dce_get_required_clocks_state(dccg, context); + /* get max clock state from PPLIB */ + if ((level_change_req.power_level < dccg_dce->cur_min_clks_state && safe_to_lower) + || level_change_req.power_level > dccg_dce->cur_min_clks_state) { + if (dm_pp_apply_power_level_change_request(dccg->ctx, &level_change_req)) + dccg_dce->cur_min_clks_state = level_change_req.power_level; + } + + if (should_set_clock(safe_to_lower, context->bw.dce.dispclk_khz, dccg->clks.dispclk_khz)) { + context->bw.dce.dispclk_khz = dce_set_clock(dccg, context->bw.dce.dispclk_khz); + dccg->clks.dispclk_khz = context->bw.dce.dispclk_khz; + } + dce_pplib_apply_display_requirements(dccg->ctx->dc, context); + + context->bw.dce.dispclk_khz = unpatched_disp_clk; +} + +static void dce11_update_clocks(struct dccg *dccg, + struct dc_state *context, + bool safe_to_lower) +{ + struct dce_dccg *dccg_dce = TO_DCE_DCCG(dccg); + struct dm_pp_power_level_change_request level_change_req; + + level_change_req.power_level = dce_get_required_clocks_state(dccg, context); + /* get max clock state from PPLIB */ + if ((level_change_req.power_level < dccg_dce->cur_min_clks_state && safe_to_lower) + || level_change_req.power_level > dccg_dce->cur_min_clks_state) { + if (dm_pp_apply_power_level_change_request(dccg->ctx, &level_change_req)) + dccg_dce->cur_min_clks_state = level_change_req.power_level; + } + + if (should_set_clock(safe_to_lower, context->bw.dce.dispclk_khz, dccg->clks.dispclk_khz)) { + context->bw.dce.dispclk_khz = dce_set_clock(dccg, context->bw.dce.dispclk_khz); + dccg->clks.dispclk_khz = context->bw.dce.dispclk_khz; + } + dce11_pplib_apply_display_requirements(dccg->ctx->dc, context); +} + +static void dce112_update_clocks(struct dccg *dccg, + struct dc_state *context, + bool safe_to_lower) +{ + struct dce_dccg *dccg_dce = TO_DCE_DCCG(dccg); + struct dm_pp_power_level_change_request level_change_req; + + level_change_req.power_level = dce_get_required_clocks_state(dccg, context); + /* get max clock state from PPLIB */ + if ((level_change_req.power_level < dccg_dce->cur_min_clks_state && safe_to_lower) + || level_change_req.power_level > dccg_dce->cur_min_clks_state) { + if (dm_pp_apply_power_level_change_request(dccg->ctx, &level_change_req)) + dccg_dce->cur_min_clks_state = level_change_req.power_level; + } + + if (should_set_clock(safe_to_lower, context->bw.dce.dispclk_khz, dccg->clks.dispclk_khz)) { + context->bw.dce.dispclk_khz = dce112_set_clock(dccg, context->bw.dce.dispclk_khz); + dccg->clks.dispclk_khz = context->bw.dce.dispclk_khz; + } + dce11_pplib_apply_display_requirements(dccg->ctx->dc, context); +} + +static void dce12_update_clocks(struct dccg *dccg, + struct dc_state *context, + bool safe_to_lower) +{ + struct dce_dccg *dccg_dce = TO_DCE_DCCG(dccg); + struct dm_pp_clock_for_voltage_req clock_voltage_req = {0}; + int max_pix_clk = get_max_pixel_clock_for_all_paths(context); + int unpatched_disp_clk = context->bw.dce.dispclk_khz; + + /*TODO: W/A for dal3 linux, investigate why this works */ + if (!dccg_dce->dfs_bypass_active) + context->bw.dce.dispclk_khz = context->bw.dce.dispclk_khz * 115 / 100; + + if (should_set_clock(safe_to_lower, context->bw.dce.dispclk_khz, dccg->clks.dispclk_khz)) { + clock_voltage_req.clk_type = DM_PP_CLOCK_TYPE_DISPLAY_CLK; + clock_voltage_req.clocks_in_khz = context->bw.dce.dispclk_khz; + context->bw.dce.dispclk_khz = dce112_set_clock(dccg, context->bw.dce.dispclk_khz); + dccg->clks.dispclk_khz = context->bw.dce.dispclk_khz; + + dm_pp_apply_clock_for_voltage_request(dccg->ctx, &clock_voltage_req); + } + + if (should_set_clock(safe_to_lower, max_pix_clk, dccg->clks.phyclk_khz)) { + clock_voltage_req.clk_type = DM_PP_CLOCK_TYPE_DISPLAYPHYCLK; + clock_voltage_req.clocks_in_khz = max_pix_clk; + dccg->clks.phyclk_khz = max_pix_clk; + + dm_pp_apply_clock_for_voltage_request(dccg->ctx, &clock_voltage_req); + } + dce11_pplib_apply_display_requirements(dccg->ctx->dc, context); + + context->bw.dce.dispclk_khz = unpatched_disp_clk; +} + +static const struct dccg_funcs dce120_funcs = { + .get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz, + .update_clocks = dce12_update_clocks +}; + +static const struct dccg_funcs dce112_funcs = { + .get_dp_ref_clk_frequency = dce_get_dp_ref_freq_khz, + .update_clocks = dce112_update_clocks +}; + +static const struct dccg_funcs dce110_funcs = { + .get_dp_ref_clk_frequency = dce_get_dp_ref_freq_khz, + .update_clocks = dce11_update_clocks, +}; + +static const struct dccg_funcs dce_funcs = { + .get_dp_ref_clk_frequency = dce_get_dp_ref_freq_khz, + .update_clocks = dce_update_clocks +}; + +static void dce_dccg_construct( + struct dce_dccg *dccg_dce, + struct dc_context *ctx, + const struct dccg_registers *regs, + const struct dccg_shift *clk_shift, + const struct dccg_mask *clk_mask) +{ + struct dccg *base = &dccg_dce->base; + struct dm_pp_static_clock_info static_clk_info = {0}; + + base->ctx = ctx; + base->funcs = &dce_funcs; + + dccg_dce->regs = regs; + dccg_dce->dccg_shift = clk_shift; + dccg_dce->dccg_mask = clk_mask; + + dccg_dce->dfs_bypass_disp_clk = 0; + + dccg_dce->dprefclk_ss_percentage = 0; + dccg_dce->dprefclk_ss_divider = 1000; + dccg_dce->ss_on_dprefclk = false; + + + if (dm_pp_get_static_clocks(ctx, &static_clk_info)) + dccg_dce->max_clks_state = static_clk_info.max_clocks_state; + else + dccg_dce->max_clks_state = DM_PP_CLOCKS_STATE_NOMINAL; + dccg_dce->cur_min_clks_state = DM_PP_CLOCKS_STATE_INVALID; + + dce_clock_read_integrated_info(dccg_dce); + dce_clock_read_ss_info(dccg_dce); +} + +struct dccg *dce_dccg_create( + struct dc_context *ctx, + const struct dccg_registers *regs, + const struct dccg_shift *clk_shift, + const struct dccg_mask *clk_mask) +{ + struct dce_dccg *dccg_dce = kzalloc(sizeof(*dccg_dce), GFP_KERNEL); + + if (dccg_dce == NULL) { + BREAK_TO_DEBUGGER(); + return NULL; + } + + memcpy(dccg_dce->max_clks_by_state, + dce80_max_clks_by_state, + sizeof(dce80_max_clks_by_state)); + + dce_dccg_construct( + dccg_dce, ctx, regs, clk_shift, clk_mask); + + return &dccg_dce->base; +} + +struct dccg *dce110_dccg_create( + struct dc_context *ctx, + const struct dccg_registers *regs, + const struct dccg_shift *clk_shift, + const struct dccg_mask *clk_mask) +{ + struct dce_dccg *dccg_dce = kzalloc(sizeof(*dccg_dce), GFP_KERNEL); + + if (dccg_dce == NULL) { + BREAK_TO_DEBUGGER(); + return NULL; + } + + memcpy(dccg_dce->max_clks_by_state, + dce110_max_clks_by_state, + sizeof(dce110_max_clks_by_state)); + + dce_dccg_construct( + dccg_dce, ctx, regs, clk_shift, clk_mask); + + dccg_dce->base.funcs = &dce110_funcs; + + return &dccg_dce->base; +} + +struct dccg *dce112_dccg_create( + struct dc_context *ctx, + const struct dccg_registers *regs, + const struct dccg_shift *clk_shift, + const struct dccg_mask *clk_mask) +{ + struct dce_dccg *dccg_dce = kzalloc(sizeof(*dccg_dce), GFP_KERNEL); + + if (dccg_dce == NULL) { + BREAK_TO_DEBUGGER(); + return NULL; + } + + memcpy(dccg_dce->max_clks_by_state, + dce112_max_clks_by_state, + sizeof(dce112_max_clks_by_state)); + + dce_dccg_construct( + dccg_dce, ctx, regs, clk_shift, clk_mask); + + dccg_dce->base.funcs = &dce112_funcs; + + return &dccg_dce->base; +} + +struct dccg *dce120_dccg_create(struct dc_context *ctx) +{ + struct dce_dccg *dccg_dce = kzalloc(sizeof(*dccg_dce), GFP_KERNEL); + + if (dccg_dce == NULL) { + BREAK_TO_DEBUGGER(); + return NULL; + } + + memcpy(dccg_dce->max_clks_by_state, + dce120_max_clks_by_state, + sizeof(dce120_max_clks_by_state)); + + dce_dccg_construct( + dccg_dce, ctx, NULL, NULL, NULL); + + dccg_dce->dprefclk_khz = 600000; + dccg_dce->base.funcs = &dce120_funcs; + + return &dccg_dce->base; +} + +void dce_dccg_destroy(struct dccg **dccg) +{ + struct dce_dccg *dccg_dce = TO_DCE_DCCG(*dccg); + + kfree(dccg_dce); + *dccg = NULL; +} diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_dccg.h b/drivers/gpu/drm/amd/display/dc/dce/dce_dccg.h new file mode 100644 index 0000000..786d963 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_dccg.h @@ -0,0 +1,165 @@ +/* + * 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 + * + */ + + +#ifndef _DCE_DCCG_H_ +#define _DCE_DCCG_H_ + +#include "dccg.h" + +#define MEMORY_TYPE_MULTIPLIER_CZ 4 + +#define CLK_COMMON_REG_LIST_DCE_BASE() \ + .DPREFCLK_CNTL = mmDPREFCLK_CNTL, \ + .DENTIST_DISPCLK_CNTL = mmDENTIST_DISPCLK_CNTL + +#define CLK_COMMON_REG_LIST_DCN_BASE() \ + SR(DENTIST_DISPCLK_CNTL) + +#define CLK_SF(reg_name, field_name, post_fix)\ + .field_name = reg_name ## __ ## field_name ## post_fix + +#define CLK_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(mask_sh) \ + CLK_SF(DPREFCLK_CNTL, DPREFCLK_SRC_SEL, mask_sh), \ + CLK_SF(DENTIST_DISPCLK_CNTL, DENTIST_DPREFCLK_WDIVIDER, mask_sh) + +#define CLK_COMMON_MASK_SH_LIST_DCN_COMMON_BASE(mask_sh) \ + CLK_SF(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_WDIVIDER, mask_sh),\ + CLK_SF(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_CHG_DONE, mask_sh) + +#define CLK_REG_FIELD_LIST(type) \ + type DPREFCLK_SRC_SEL; \ + type DENTIST_DPREFCLK_WDIVIDER; \ + type DENTIST_DISPCLK_WDIVIDER; \ + type DENTIST_DISPCLK_CHG_DONE; + +struct dccg_shift { + CLK_REG_FIELD_LIST(uint8_t) +}; + +struct dccg_mask { + CLK_REG_FIELD_LIST(uint32_t) +}; + +struct dccg_registers { + uint32_t DPREFCLK_CNTL; + uint32_t DENTIST_DISPCLK_CNTL; +}; + +struct state_dependent_clocks { + int display_clk_khz; + int pixel_clk_khz; +}; + +struct dce_dccg { + struct dccg base; + const struct dccg_registers *regs; + const struct dccg_shift *dccg_shift; + const struct dccg_mask *dccg_mask; + + struct state_dependent_clocks max_clks_by_state[DM_PP_CLOCKS_MAX_STATES]; + + int dentist_vco_freq_khz; + + /* Cache the status of DFS-bypass feature*/ + bool dfs_bypass_enabled; + /* True if the DFS-bypass feature is enabled and active. */ + bool dfs_bypass_active; + /* Cache the display clock returned by VBIOS if DFS-bypass is enabled. + * This is basically "Crystal Frequency In KHz" (XTALIN) frequency */ + int dfs_bypass_disp_clk; + + /* Flag for Enabled SS on DPREFCLK */ + bool ss_on_dprefclk; + /* DPREFCLK SS percentage (if down-spread enabled) */ + int dprefclk_ss_percentage; + /* DPREFCLK SS percentage Divider (100 or 1000) */ + int dprefclk_ss_divider; + int dprefclk_khz; + + enum dm_pp_clocks_state max_clks_state; + enum dm_pp_clocks_state cur_min_clks_state; +}; + +/* Starting DID for each range */ +enum dentist_base_divider_id { + DENTIST_BASE_DID_1 = 0x08, + DENTIST_BASE_DID_2 = 0x40, + DENTIST_BASE_DID_3 = 0x60, + DENTIST_BASE_DID_4 = 0x7e, + DENTIST_MAX_DID = 0x7f +}; + +/* Starting point and step size for each divider range.*/ +enum dentist_divider_range { + DENTIST_DIVIDER_RANGE_1_START = 8, /* 2.00 */ + DENTIST_DIVIDER_RANGE_1_STEP = 1, /* 0.25 */ + DENTIST_DIVIDER_RANGE_2_START = 64, /* 16.00 */ + DENTIST_DIVIDER_RANGE_2_STEP = 2, /* 0.50 */ + DENTIST_DIVIDER_RANGE_3_START = 128, /* 32.00 */ + DENTIST_DIVIDER_RANGE_3_STEP = 4, /* 1.00 */ + DENTIST_DIVIDER_RANGE_4_START = 248, /* 62.00 */ + DENTIST_DIVIDER_RANGE_4_STEP = 264, /* 66.00 */ + DENTIST_DIVIDER_RANGE_SCALE_FACTOR = 4 +}; + +static inline bool should_set_clock(bool safe_to_lower, int calc_clk, int cur_clk) +{ + return ((safe_to_lower && calc_clk < cur_clk) || calc_clk > cur_clk); +} + +void dce_clock_read_ss_info(struct dce_dccg *dccg_dce); + +int dce12_get_dp_ref_freq_khz(struct dccg *dccg); + +void dce110_fill_display_configs( + const struct dc_state *context, + struct dm_pp_display_configuration *pp_display_cfg); + +int dce112_set_clock(struct dccg *dccg, int requested_clk_khz); + +struct dccg *dce_dccg_create( + struct dc_context *ctx, + const struct dccg_registers *regs, + const struct dccg_shift *clk_shift, + const struct dccg_mask *clk_mask); + +struct dccg *dce110_dccg_create( + struct dc_context *ctx, + const struct dccg_registers *regs, + const struct dccg_shift *clk_shift, + const struct dccg_mask *clk_mask); + +struct dccg *dce112_dccg_create( + struct dc_context *ctx, + const struct dccg_registers *regs, + const struct dccg_shift *clk_shift, + const struct dccg_mask *clk_mask); + +struct dccg *dce120_dccg_create(struct dc_context *ctx); + +void dce_dccg_destroy(struct dccg **dccg); + +#endif /* _DCE_DCCG_H_ */ diff --git a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c index 5d62561..36015f7 100644 --- a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c @@ -22,7 +22,7 @@ * Authors: AMD * */ -#include "../dce/dce_clocks.h" +#include "../dce/dce_dccg.h" #include "dm_services.h" #include "link_encoder.h" diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c index 18f9135..d78b064 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c @@ -31,7 +31,7 @@ #include "resource.h" #include "dce110/dce110_resource.h" -#include "../dce/dce_clocks.h" +#include "../dce/dce_dccg.h" #include "include/irq_service_interface.h" #include "dce/dce_audio.h" #include "dce110/dce110_timing_generator.h" diff --git a/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c b/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c index cc48a87..b3d00d7 100644 --- a/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c @@ -23,7 +23,7 @@ * */ -#include "../dce/dce_clocks.h" +#include "../dce/dce_dccg.h" #include "dm_services.h" #include "link_encoder.h" diff --git a/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c b/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c index da2d50d..512a22d 100644 --- a/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c @@ -32,7 +32,7 @@ #include "include/irq_service_interface.h" #include "dce120_resource.h" -#include "../dce/dce_clocks.h" +#include "../dce/dce_dccg.h" #include "dce112/dce112_resource.h" #include "dce110/dce110_resource.h" diff --git a/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c b/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c index 313141b..1fccb52 100644 --- a/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c @@ -23,7 +23,7 @@ * */ -#include "../dce/dce_clocks.h" +#include "../dce/dce_dccg.h" #include "dce/dce_8_0_d.h" #include "dce/dce_8_0_sh_mask.h" diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/Makefile b/drivers/gpu/drm/amd/display/dc/dcn10/Makefile index 032f872..e13ab66 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/Makefile +++ b/drivers/gpu/drm/amd/display/dc/dcn10/Makefile @@ -24,7 +24,7 @@ DCN10 = dcn10_resource.o dcn10_ipp.o dcn10_hw_sequencer.o dcn10_hw_sequencer_debug.o \ dcn10_dpp.o dcn10_opp.o dcn10_optc.o \ - dcn10_hubp.o dcn10_mpc.o \ + dcn10_hubp.o dcn10_mpc.o dcn10_dccg.o \ dcn10_dpp_dscl.o dcn10_dpp_cm.o dcn10_cm_common.o \ dcn10_hubbub.o dcn10_stream_encoder.o dcn10_link_encoder.o diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dccg.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dccg.c new file mode 100644 index 0000000..abfe82f --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dccg.c @@ -0,0 +1,278 @@ +/* + * 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 "dcn10_dccg.h" + +#include "reg_helper.h" +#include "core_types.h" + +#define TO_DCE_DCCG(clocks)\ + container_of(clocks, struct dce_dccg, base) + +#define REG(reg) \ + (dccg_dce->regs->reg) + +#undef FN +#define FN(reg_name, field_name) \ + dccg_dce->dccg_shift->field_name, dccg_dce->dccg_mask->field_name + +#define CTX \ + dccg_dce->base.ctx +#define DC_LOGGER \ + dccg->ctx->logger + +void dcn1_pplib_apply_display_requirements( + struct dc *dc, + struct dc_state *context) +{ + struct dm_pp_display_configuration *pp_display_cfg = &context->pp_display_cfg; + + pp_display_cfg->min_engine_clock_khz = dc->res_pool->dccg->clks.dcfclk_khz; + pp_display_cfg->min_memory_clock_khz = dc->res_pool->dccg->clks.fclk_khz; + pp_display_cfg->min_engine_clock_deep_sleep_khz = dc->res_pool->dccg->clks.dcfclk_deep_sleep_khz; + pp_display_cfg->min_dcfc_deep_sleep_clock_khz = dc->res_pool->dccg->clks.dcfclk_deep_sleep_khz; + pp_display_cfg->min_dcfclock_khz = dc->res_pool->dccg->clks.dcfclk_khz; + pp_display_cfg->disp_clk_khz = dc->res_pool->dccg->clks.dispclk_khz; + dce110_fill_display_configs(context, pp_display_cfg); + + if (memcmp(&dc->current_state->pp_display_cfg, pp_display_cfg, sizeof(*pp_display_cfg)) != 0) + dm_pp_apply_display_requirements(dc->ctx, pp_display_cfg); +} + +static int dcn1_determine_dppclk_threshold(struct dccg *dccg, struct dc_clocks *new_clocks) +{ + bool request_dpp_div = new_clocks->dispclk_khz > new_clocks->dppclk_khz; + bool dispclk_increase = new_clocks->dispclk_khz > dccg->clks.dispclk_khz; + int disp_clk_threshold = new_clocks->max_supported_dppclk_khz; + bool cur_dpp_div = dccg->clks.dispclk_khz > dccg->clks.dppclk_khz; + + /* increase clock, looking for div is 0 for current, request div is 1*/ + if (dispclk_increase) { + /* already divided by 2, no need to reach target clk with 2 steps*/ + if (cur_dpp_div) + return new_clocks->dispclk_khz; + + /* request disp clk is lower than maximum supported dpp clk, + * no need to reach target clk with two steps. + */ + if (new_clocks->dispclk_khz <= disp_clk_threshold) + return new_clocks->dispclk_khz; + + /* target dpp clk not request divided by 2, still within threshold */ + if (!request_dpp_div) + return new_clocks->dispclk_khz; + + } else { + /* decrease clock, looking for current dppclk divided by 2, + * request dppclk not divided by 2. + */ + + /* current dpp clk not divided by 2, no need to ramp*/ + if (!cur_dpp_div) + return new_clocks->dispclk_khz; + + /* current disp clk is lower than current maximum dpp clk, + * no need to ramp + */ + if (dccg->clks.dispclk_khz <= disp_clk_threshold) + return new_clocks->dispclk_khz; + + /* request dpp clk need to be divided by 2 */ + if (request_dpp_div) + return new_clocks->dispclk_khz; + } + + return disp_clk_threshold; +} + +static void dcn1_ramp_up_dispclk_with_dpp(struct dccg *dccg, struct dc_clocks *new_clocks) +{ + struct dc *dc = dccg->ctx->dc; + int dispclk_to_dpp_threshold = dcn1_determine_dppclk_threshold(dccg, new_clocks); + bool request_dpp_div = new_clocks->dispclk_khz > new_clocks->dppclk_khz; + int i; + + /* set disp clk to dpp clk threshold */ + dce112_set_clock(dccg, dispclk_to_dpp_threshold); + + /* update request dpp clk division option */ + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i]; + + if (!pipe_ctx->plane_state) + continue; + + pipe_ctx->plane_res.dpp->funcs->dpp_dppclk_control( + pipe_ctx->plane_res.dpp, + request_dpp_div, + true); + } + + /* If target clk not same as dppclk threshold, set to target clock */ + if (dispclk_to_dpp_threshold != new_clocks->dispclk_khz) + dce112_set_clock(dccg, new_clocks->dispclk_khz); + + dccg->clks.dispclk_khz = new_clocks->dispclk_khz; + dccg->clks.dppclk_khz = new_clocks->dppclk_khz; + dccg->clks.max_supported_dppclk_khz = new_clocks->max_supported_dppclk_khz; +} + +static void dcn1_update_clocks(struct dccg *dccg, + struct dc_state *context, + bool safe_to_lower) +{ + struct dc *dc = dccg->ctx->dc; + struct dc_clocks *new_clocks = &context->bw.dcn.clk; + struct pp_smu_display_requirement_rv *smu_req_cur = + &dc->res_pool->pp_smu_req; + struct pp_smu_display_requirement_rv smu_req = *smu_req_cur; + struct pp_smu_funcs_rv *pp_smu = dc->res_pool->pp_smu; + struct dm_pp_clock_for_voltage_req clock_voltage_req = {0}; + bool send_request_to_increase = false; + bool send_request_to_lower = false; + + if (new_clocks->phyclk_khz) + smu_req.display_count = 1; + else + smu_req.display_count = 0; + + if (new_clocks->dispclk_khz > dccg->clks.dispclk_khz + || new_clocks->phyclk_khz > dccg->clks.phyclk_khz + || new_clocks->fclk_khz > dccg->clks.fclk_khz + || new_clocks->dcfclk_khz > dccg->clks.dcfclk_khz) + send_request_to_increase = true; + + if (should_set_clock(safe_to_lower, new_clocks->phyclk_khz, dccg->clks.phyclk_khz)) { + dccg->clks.phyclk_khz = new_clocks->phyclk_khz; + + send_request_to_lower = true; + } + + if (should_set_clock(safe_to_lower, new_clocks->fclk_khz, dccg->clks.fclk_khz)) { + dccg->clks.fclk_khz = new_clocks->fclk_khz; + clock_voltage_req.clk_type = DM_PP_CLOCK_TYPE_FCLK; + clock_voltage_req.clocks_in_khz = new_clocks->fclk_khz; + smu_req.hard_min_fclk_khz = new_clocks->fclk_khz; + + dm_pp_apply_clock_for_voltage_request(dccg->ctx, &clock_voltage_req); + send_request_to_lower = true; + } + + if (should_set_clock(safe_to_lower, new_clocks->dcfclk_khz, dccg->clks.dcfclk_khz)) { + dccg->clks.dcfclk_khz = new_clocks->dcfclk_khz; + smu_req.hard_min_dcefclk_khz = new_clocks->dcfclk_khz; + + send_request_to_lower = true; + } + + if (should_set_clock(safe_to_lower, + new_clocks->dcfclk_deep_sleep_khz, dccg->clks.dcfclk_deep_sleep_khz)) { + dccg->clks.dcfclk_deep_sleep_khz = new_clocks->dcfclk_deep_sleep_khz; + smu_req.min_deep_sleep_dcefclk_mhz = new_clocks->dcfclk_deep_sleep_khz; + + send_request_to_lower = true; + } + + /* make sure dcf clk is before dpp clk to + * make sure we have enough voltage to run dpp clk + */ + if (send_request_to_increase) { + /*use dcfclk to request voltage*/ + clock_voltage_req.clk_type = DM_PP_CLOCK_TYPE_DCFCLK; + clock_voltage_req.clocks_in_khz = dcn_find_dcfclk_suits_all(dc, new_clocks); + dm_pp_apply_clock_for_voltage_request(dccg->ctx, &clock_voltage_req); + if (pp_smu->set_display_requirement) + pp_smu->set_display_requirement(&pp_smu->pp_smu, &smu_req); + dcn1_pplib_apply_display_requirements(dc, context); + } + + /* dcn1 dppclk is tied to dispclk */ + /* program dispclk on = as a w/a for sleep resume clock ramping issues */ + if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, dccg->clks.dispclk_khz) + || new_clocks->dispclk_khz == dccg->clks.dispclk_khz) { + dcn1_ramp_up_dispclk_with_dpp(dccg, new_clocks); + dccg->clks.dispclk_khz = new_clocks->dispclk_khz; + + send_request_to_lower = true; + } + + if (!send_request_to_increase && send_request_to_lower) { + /*use dcfclk to request voltage*/ + clock_voltage_req.clk_type = DM_PP_CLOCK_TYPE_DCFCLK; + clock_voltage_req.clocks_in_khz = dcn_find_dcfclk_suits_all(dc, new_clocks); + dm_pp_apply_clock_for_voltage_request(dccg->ctx, &clock_voltage_req); + if (pp_smu->set_display_requirement) + pp_smu->set_display_requirement(&pp_smu->pp_smu, &smu_req); + dcn1_pplib_apply_display_requirements(dc, context); + } + + + *smu_req_cur = smu_req; +} + +static const struct dccg_funcs dcn1_funcs = { + .get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz, + .update_clocks = dcn1_update_clocks +}; + +struct dccg *dcn1_dccg_create(struct dc_context *ctx) +{ + struct dc_debug_options *debug = &ctx->dc->debug; + struct dc_bios *bp = ctx->dc_bios; + struct dc_firmware_info fw_info = { { 0 } }; + struct dce_dccg *dccg_dce = kzalloc(sizeof(*dccg_dce), GFP_KERNEL); + + if (dccg_dce == NULL) { + BREAK_TO_DEBUGGER(); + return NULL; + } + + dccg_dce->base.ctx = ctx; + dccg_dce->base.funcs = &dcn1_funcs; + + dccg_dce->dfs_bypass_disp_clk = 0; + + dccg_dce->dprefclk_ss_percentage = 0; + dccg_dce->dprefclk_ss_divider = 1000; + dccg_dce->ss_on_dprefclk = false; + + dccg_dce->dprefclk_khz = 600000; + if (bp->integrated_info) + dccg_dce->dentist_vco_freq_khz = bp->integrated_info->dentist_vco_freq; + if (dccg_dce->dentist_vco_freq_khz == 0) { + bp->funcs->get_firmware_info(bp, &fw_info); + dccg_dce->dentist_vco_freq_khz = fw_info.smu_gpu_pll_output_freq; + if (dccg_dce->dentist_vco_freq_khz == 0) + dccg_dce->dentist_vco_freq_khz = 3600000; + } + + if (!debug->disable_dfs_bypass && bp->integrated_info) + if (bp->integrated_info->gpu_cap_info & DFS_BYPASS_ENABLE) + dccg_dce->dfs_bypass_enabled = true; + + dce_clock_read_ss_info(dccg_dce); + + return &dccg_dce->base; +} diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dccg.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dccg.h new file mode 100644 index 0000000..7f3dd84 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dccg.h @@ -0,0 +1,37 @@ +/* + * 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 __DCN10_DCCG_H__ +#define __DCN10_DCCG_H__ + +#include "../dce/dce_dccg.h" + +void dcn1_pplib_apply_display_requirements( + struct dc *dc, + struct dc_state *context); + +struct dccg *dcn1_dccg_create(struct dc_context *ctx); + +#endif //__DCN10_DCCG_H__ diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c index 6227db6..55d2d17 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c @@ -40,7 +40,7 @@ #include "dcn10/dcn10_opp.h" #include "dcn10/dcn10_link_encoder.h" #include "dcn10/dcn10_stream_encoder.h" -#include "../dce/dce_clocks.h" +#include "dcn10/dcn10_dccg.h" #include "dce/dce_clock_source.h" #include "dce/dce_audio.h" #include "dce/dce_hwseq.h" diff --git a/drivers/gpu/drm/amd/display/dc/inc/core_types.h b/drivers/gpu/drm/amd/display/dc/inc/core_types.h index 99e2868..d4eaf7f 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/core_types.h +++ b/drivers/gpu/drm/amd/display/dc/inc/core_types.h @@ -82,7 +82,7 @@ void core_link_disable_stream(struct pipe_ctx *pipe_ctx, int option); void core_link_set_avmute(struct pipe_ctx *pipe_ctx, bool enable); /********** DAL Core*********************/ -#include "display_clock.h" +#include "hw/dccg.h" #include "transform.h" #include "dpp.h" diff --git a/drivers/gpu/drm/amd/display/dc/inc/dcn_calcs.h b/drivers/gpu/drm/amd/display/dc/inc/dcn_calcs.h index e688eb9..ac9b4906 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/dcn_calcs.h +++ b/drivers/gpu/drm/amd/display/dc/inc/dcn_calcs.h @@ -31,8 +31,8 @@ #define __DCN_CALCS_H__ #include "bw_fixed.h" -#include "display_clock.h" #include "../dml/display_mode_lib.h" +#include "hw/dccg.h" struct dc; struct dc_state; diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h b/drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h new file mode 100644 index 0000000..6fd923d --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h @@ -0,0 +1,47 @@ +/* + * 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 + * + */ + +#ifndef __DAL_DCCG_H__ +#define __DAL_DCCG_H__ + +#include "dm_services_types.h" +#include "dc.h" + +struct dccg { + struct dc_context *ctx; + const struct dccg_funcs *funcs; + + struct dc_clocks clks; +}; + +struct dccg_funcs { + void (*update_clocks)(struct dccg *dccg, + struct dc_state *context, + bool safe_to_lower); + + int (*get_dp_ref_clk_frequency)(struct dccg *dccg); +}; + +#endif /* __DAL_DCCG_H__ */ diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/display_clock.h b/drivers/gpu/drm/amd/display/dc/inc/hw/display_clock.h deleted file mode 100644 index e1ec42b..0000000 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/display_clock.h +++ /dev/null @@ -1,47 +0,0 @@ -/* - * 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 - * - */ - -#ifndef __DISPLAY_CLOCK_H__ -#define __DISPLAY_CLOCK_H__ - -#include "dm_services_types.h" -#include "dc.h" - -struct dccg { - struct dc_context *ctx; - const struct dccg_funcs *funcs; - - struct dc_clocks clks; -}; - -struct dccg_funcs { - void (*update_clocks)(struct dccg *dccg, - struct dc_state *context, - bool safe_to_lower); - - int (*get_dp_ref_clk_frequency)(struct dccg *dccg); -}; - -#endif /* __DISPLAY_CLOCK_H__ */ -- 2.7.4