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))
+++ /dev/null
-/*
- * 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_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 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 if (did < DENTIST_BASE_DID_4) {
- return DENTIST_DIVIDER_RANGE_3_START + DENTIST_DIVIDER_RANGE_3_STEP
- * (did - DENTIST_BASE_DID_3);
- } else {
- return DENTIST_DIVIDER_RANGE_4_START + DENTIST_DIVIDER_RANGE_4_STEP
- * (did - DENTIST_BASE_DID_4);
- }
-}
-
-/* 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_DRM_AMD_DC_DCN1_0
-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_DRM_AMD_DC_DCN1_0
-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;
-}
+++ /dev/null
-/*
- * 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_DRM_AMD_DC_DCN1_0
-struct dccg *dcn1_dccg_create(struct dc_context *ctx);
-#endif
-
-void dce_dccg_destroy(struct dccg **dccg);
-
-#endif /* _DCE_CLOCKS_H_ */
--- /dev/null
+/*
+ * 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 if (did < DENTIST_BASE_DID_4) {
+ return DENTIST_DIVIDER_RANGE_3_START + DENTIST_DIVIDER_RANGE_3_STEP
+ * (did - DENTIST_BASE_DID_3);
+ } else {
+ return DENTIST_DIVIDER_RANGE_4_START + DENTIST_DIVIDER_RANGE_4_STEP
+ * (did - DENTIST_BASE_DID_4);
+ }
+}
+
+/* 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;
+}
--- /dev/null
+/*
+ * 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_ */
* Authors: AMD
*
*/
-#include "../dce/dce_clocks.h"
+#include "../dce/dce_dccg.h"
#include "dm_services.h"
#include "link_encoder.h"
#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"
*
*/
-#include "../dce/dce_clocks.h"
+#include "../dce/dce_dccg.h"
#include "dm_services.h"
#include "link_encoder.h"
#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"
*
*/
-#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"
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
--- /dev/null
+/*
+ * 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;
+}
--- /dev/null
+/*
+ * 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__
#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"
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"
#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;
--- /dev/null
+/*
+ * 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__ */
+++ /dev/null
-/*
- * 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__ */
projects / mirror_ubuntu-kernels.git / commitdiff