diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/5583-drm-amd-display-split-dccg-clock-manager-into-asic-f.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/5583-drm-amd-display-split-dccg-clock-manager-into-asic-f.patch | 2952 |
1 files changed, 2952 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/5583-drm-amd-display-split-dccg-clock-manager-into-asic-f.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/5583-drm-amd-display-split-dccg-clock-manager-into-asic-f.patch new file mode 100644 index 00000000..ba779bd8 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/5583-drm-amd-display-split-dccg-clock-manager-into-asic-f.patch @@ -0,0 +1,2952 @@ +From 74fed69c0dc1c52a43b8fb15271ab8a7ee93780f Mon Sep 17 00:00:00 2001 +From: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> +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 <Dmytro.Laktyushkin@amd.com> +Reviewed-by: Charlene Liu <Charlene.Liu@amd.com> +Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> +--- + 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 + |