diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/clk_mgr')
12 files changed, 1301 insertions, 27 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/Makefile b/drivers/gpu/drm/amd/display/dc/clk_mgr/Makefile index c0f6a8c7de7d..6874276bb2a1 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/Makefile +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/Makefile @@ -97,3 +97,13 @@ AMD_DAL_CLK_MGR_DCN21 = $(addprefix $(AMDDALPATH)/dc/clk_mgr/dcn21/,$(CLK_MGR_DC AMD_DISPLAY_FILES += $(AMD_DAL_CLK_MGR_DCN21) endif +ifdef CONFIG_DRM_AMD_DC_DCN3_0 +############################################################################### +# DCN30 +############################################################################### +CLK_MGR_DCN30 = dcn30_clk_mgr.o dcn30_clk_mgr_smu_msg.o + +AMD_DAL_CLK_MGR_DCN30 = $(addprefix $(AMDDALPATH)/dc/clk_mgr/dcn30/,$(CLK_MGR_DCN30)) + +AMD_DISPLAY_FILES += $(AMD_DAL_CLK_MGR_DCN30) +endif diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c index a5c2114e4292..6a345d43028c 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c @@ -38,6 +38,9 @@ #include "dcn10/rv2_clk_mgr.h" #include "dcn20/dcn20_clk_mgr.h" #include "dcn21/rn_clk_mgr.h" +#if defined(CONFIG_DRM_AMD_DC_DCN3_0) +#include "dcn30/dcn30_clk_mgr.h" +#endif int clk_mgr_helper_get_active_display_cnt( @@ -169,6 +172,12 @@ struct clk_mgr *dc_clk_mgr_create(struct dc_context *ctx, struct pp_smu_funcs *p break; case FAMILY_NV: +#if defined(CONFIG_DRM_AMD_DC_DCN3_0) + if (ASICREV_IS_SIENNA_CICHLID_P(asic_id.hw_internal_rev)) { + dcn3_clk_mgr_construct(ctx, clk_mgr, pp_smu, dccg); + break; + } +#endif dcn20_clk_mgr_construct(ctx, clk_mgr, pp_smu, dccg); break; #endif /* Family RV and NV*/ @@ -184,6 +193,16 @@ struct clk_mgr *dc_clk_mgr_create(struct dc_context *ctx, struct pp_smu_funcs *p void dc_destroy_clk_mgr(struct clk_mgr *clk_mgr_base) { struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); +#ifdef CONFIG_DRM_AMD_DC_DCN3_0 + + switch (clk_mgr_base->ctx->asic_id.chip_family) { + case FAMILY_NV: + if (ASICREV_IS_SIENNA_CICHLID_P(clk_mgr_base->ctx->asic_id.hw_internal_rev)) { + dcn3_clk_mgr_destroy(clk_mgr); + break; + } + } +#endif kfree(clk_mgr); } diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr_vbios_smu.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr_vbios_smu.c index c320b7af7d34..dbc7cde00433 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr_vbios_smu.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr_vbios_smu.c @@ -26,6 +26,7 @@ #include "core_types.h" #include "clk_mgr_internal.h" #include "reg_helper.h" +#include <linux/delay.h> #define MAX_INSTANCE 5 #define MAX_SEGMENT 5 @@ -68,10 +69,42 @@ static const struct IP_BASE MP1_BASE = { { { { 0x00016000, 0, 0, 0, 0 } }, #define VBIOSSMC_MSG_SetDispclkFreq 0x4 #define VBIOSSMC_MSG_SetDprefclkFreq 0x5 +#define VBIOSSMC_Status_BUSY 0x0 +#define VBIOSSMC_Result_OK 0x1 +#define VBIOSSMC_Result_Failed 0xFF +#define VBIOSSMC_Result_UnknownCmd 0xFE +#define VBIOSSMC_Result_CmdRejectedPrereq 0xFD +#define VBIOSSMC_Result_CmdRejectedBusy 0xFC + +/* + * Function to be used instead of REG_WAIT macro because the wait ends when + * the register is NOT EQUAL to zero, and because the translation in msg_if.h + * won't work with REG_WAIT. + */ +static uint32_t rv1_smu_wait_for_response(struct clk_mgr_internal *clk_mgr, unsigned int delay_us, unsigned int max_retries) +{ + uint32_t res_val = VBIOSSMC_Status_BUSY; + + do { + res_val = REG_READ(MP1_SMN_C2PMSG_91); + if (res_val != VBIOSSMC_Status_BUSY) + break; + + if (delay_us >= 1000) + msleep(delay_us/1000); + else if (delay_us > 0) + udelay(delay_us); + } while (max_retries--); + + return res_val; +} + int rv1_vbios_smu_send_msg_with_param(struct clk_mgr_internal *clk_mgr, unsigned int msg_id, unsigned int param) { + uint32_t result; + /* First clear response register */ - REG_WRITE(MP1_SMN_C2PMSG_91, 0); + REG_WRITE(MP1_SMN_C2PMSG_91, VBIOSSMC_Status_BUSY); /* Set the parameter register for the SMU message, unit is Mhz */ REG_WRITE(MP1_SMN_C2PMSG_83, param); @@ -79,7 +112,9 @@ int rv1_vbios_smu_send_msg_with_param(struct clk_mgr_internal *clk_mgr, unsigned /* Trigger the message transaction by writing the message ID */ REG_WRITE(MP1_SMN_C2PMSG_67, msg_id); - REG_WAIT(MP1_SMN_C2PMSG_91, CONTENT, 1, 10, 200000); + result = rv1_smu_wait_for_response(clk_mgr, 10, 1000); + + ASSERT(result == VBIOSSMC_Result_OK); /* Actual dispclk set is returned in the parameter register */ return REG_READ(MP1_SMN_C2PMSG_83); diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c index 55d09adbf0d9..f2114bc910bf 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c @@ -184,13 +184,6 @@ void dcn2_update_clocks(struct clk_mgr *clk_mgr_base, pp_smu->set_display_count(&pp_smu->pp_smu, display_count); } - if (should_set_clock(safe_to_lower, new_clocks->phyclk_khz, clk_mgr_base->clks.phyclk_khz)) { - clk_mgr_base->clks.phyclk_khz = new_clocks->phyclk_khz; - if (pp_smu && pp_smu->set_voltage_by_freq) - pp_smu->set_voltage_by_freq(&pp_smu->pp_smu, PP_SMU_NV_PHYCLK, clk_mgr_base->clks.phyclk_khz / 1000); - } - - if (dc->debug.force_min_dcfclk_mhz > 0) new_clocks->dcfclk_khz = (new_clocks->dcfclk_khz > (dc->debug.force_min_dcfclk_mhz * 1000)) ? new_clocks->dcfclk_khz : (dc->debug.force_min_dcfclk_mhz * 1000); @@ -234,20 +227,26 @@ void dcn2_update_clocks(struct clk_mgr *clk_mgr_base, dpp_clock_lowered = true; clk_mgr->base.clks.dppclk_khz = new_clocks->dppclk_khz; - if (pp_smu && pp_smu->set_voltage_by_freq) - pp_smu->set_voltage_by_freq(&pp_smu->pp_smu, PP_SMU_NV_PIXELCLK, clk_mgr_base->clks.dppclk_khz / 1000); - update_dppclk = true; } if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, clk_mgr_base->clks.dispclk_khz)) { clk_mgr_base->clks.dispclk_khz = new_clocks->dispclk_khz; - if (pp_smu && pp_smu->set_voltage_by_freq) - pp_smu->set_voltage_by_freq(&pp_smu->pp_smu, PP_SMU_NV_DISPCLK, clk_mgr_base->clks.dispclk_khz / 1000); update_dispclk = true; } + if (update_dppclk || update_dispclk) { + new_clocks->disp_dpp_voltage_level_khz = new_clocks->dppclk_khz; + + if (update_dispclk) + new_clocks->disp_dpp_voltage_level_khz = new_clocks->dispclk_khz > new_clocks->dppclk_khz ? new_clocks->dispclk_khz : new_clocks->dppclk_khz; + + clk_mgr_base->clks.disp_dpp_voltage_level_khz = new_clocks->disp_dpp_voltage_level_khz; + if (pp_smu && pp_smu->set_voltage_by_freq) + pp_smu->set_voltage_by_freq(&pp_smu->pp_smu, PP_SMU_NV_DISPCLK, clk_mgr_base->clks.disp_dpp_voltage_level_khz / 1000); + } + if (dc->config.forced_clocks == false || (force_reset && safe_to_lower)) { if (dpp_clock_lowered) { // if clock is being lowered, increase DTO before lowering refclk @@ -403,14 +402,14 @@ static bool dcn2_are_clock_states_equal(struct dc_clocks *a, return false; else if (a->dppclk_khz != b->dppclk_khz) return false; + else if (a->disp_dpp_voltage_level_khz != b->disp_dpp_voltage_level_khz) + return false; else if (a->dcfclk_khz != b->dcfclk_khz) return false; else if (a->socclk_khz != b->socclk_khz) return false; else if (a->dcfclk_deep_sleep_khz != b->dcfclk_deep_sleep_khz) return false; - else if (a->phyclk_khz != b->phyclk_khz) - return false; else if (a->dramclk_khz != b->dramclk_khz) return false; else if (a->p_state_change_support != b->p_state_change_support) @@ -419,6 +418,31 @@ static bool dcn2_are_clock_states_equal(struct dc_clocks *a, return true; } +/* Notify clk_mgr of a change in link rate, update phyclk frequency if necessary */ +static void dcn2_notify_link_rate_change(struct clk_mgr *clk_mgr_base, struct dc_link *link) +{ + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + unsigned int i, max_phyclk_req = 0; + struct pp_smu_funcs_nv *pp_smu = NULL; + + if (!clk_mgr->pp_smu || !clk_mgr->pp_smu->nv_funcs.set_voltage_by_freq) + return; + + pp_smu = &clk_mgr->pp_smu->nv_funcs; + + clk_mgr->cur_phyclk_req_table[link->link_index] = link->cur_link_settings.link_rate * LINK_RATE_REF_FREQ_IN_KHZ; + + for (i = 0; i < MAX_PIPES * 2; i++) { + if (clk_mgr->cur_phyclk_req_table[i] > max_phyclk_req) + max_phyclk_req = clk_mgr->cur_phyclk_req_table[i]; + } + + if (max_phyclk_req != clk_mgr_base->clks.phyclk_khz) { + clk_mgr_base->clks.phyclk_khz = max_phyclk_req; + pp_smu->set_voltage_by_freq(&pp_smu->pp_smu, PP_SMU_NV_PHYCLK, clk_mgr_base->clks.phyclk_khz / 1000); + } +} + static struct clk_mgr_funcs dcn2_funcs = { .get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz, .update_clocks = dcn2_update_clocks, @@ -426,6 +450,7 @@ static struct clk_mgr_funcs dcn2_funcs = { .enable_pme_wa = dcn2_enable_pme_wa, .get_clock = dcn2_get_clock, .are_clock_states_equal = dcn2_are_clock_states_equal, + .notify_link_rate_change = dcn2_notify_link_rate_change, }; diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c index 24c5765890fa..c664404a75d4 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c @@ -136,11 +136,6 @@ void rn_update_clocks(struct clk_mgr *clk_mgr_base, } } - if (should_set_clock(safe_to_lower, new_clocks->phyclk_khz, clk_mgr_base->clks.phyclk_khz)) { - clk_mgr_base->clks.phyclk_khz = new_clocks->phyclk_khz; - rn_vbios_smu_set_phyclk(clk_mgr, clk_mgr_base->clks.phyclk_khz); - } - if (should_set_clock(safe_to_lower, new_clocks->dcfclk_khz, clk_mgr_base->clks.dcfclk_khz)) { clk_mgr_base->clks.dcfclk_khz = new_clocks->dcfclk_khz; rn_vbios_smu_set_hard_min_dcfclk(clk_mgr, clk_mgr_base->clks.dcfclk_khz); @@ -153,8 +148,9 @@ void rn_update_clocks(struct clk_mgr *clk_mgr_base, } // workaround: Limit dppclk to 100Mhz to avoid lower eDP panel switch to plus 4K monitor underflow. + // Do not adjust dppclk if dppclk is 0 to avoid unexpected result if (!IS_DIAG_DC(dc->ctx->dce_environment)) { - if (new_clocks->dppclk_khz < 100000) + if (new_clocks->dppclk_khz < 100000 && new_clocks->dppclk_khz > 0) new_clocks->dppclk_khz = 100000; } @@ -495,13 +491,33 @@ static bool rn_are_clock_states_equal(struct dc_clocks *a, } +/* Notify clk_mgr of a change in link rate, update phyclk frequency if necessary */ +static void rn_notify_link_rate_change(struct clk_mgr *clk_mgr_base, struct dc_link *link) +{ + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + unsigned int i, max_phyclk_req = 0; + + clk_mgr->cur_phyclk_req_table[link->link_index] = link->cur_link_settings.link_rate * LINK_RATE_REF_FREQ_IN_KHZ; + + for (i = 0; i < MAX_PIPES * 2; i++) { + if (clk_mgr->cur_phyclk_req_table[i] > max_phyclk_req) + max_phyclk_req = clk_mgr->cur_phyclk_req_table[i]; + } + + if (max_phyclk_req != clk_mgr_base->clks.phyclk_khz) { + clk_mgr_base->clks.phyclk_khz = max_phyclk_req; + rn_vbios_smu_set_phyclk(clk_mgr, clk_mgr_base->clks.phyclk_khz); + } +} + static struct clk_mgr_funcs dcn21_funcs = { .get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz, .update_clocks = rn_update_clocks, .init_clocks = rn_init_clocks, .enable_pme_wa = rn_enable_pme_wa, .are_clock_states_equal = rn_are_clock_states_equal, - .notify_wm_ranges = rn_notify_wm_ranges + .notify_wm_ranges = rn_notify_wm_ranges, + .notify_link_rate_change = rn_notify_link_rate_change, }; static struct clk_bw_params rn_bw_params = { @@ -618,6 +634,42 @@ static struct wm_table lpddr4_wm_table = { } }; +static struct wm_table lpddr4_wm_table_with_disabled_ppt = { + .entries = { + { + .wm_inst = WM_A, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 11.65333, + .sr_exit_time_us = 8.32, + .sr_enter_plus_exit_time_us = 9.38, + .valid = true, + }, + { + .wm_inst = WM_B, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 11.65333, + .sr_exit_time_us = 9.82, + .sr_enter_plus_exit_time_us = 11.196, + .valid = true, + }, + { + .wm_inst = WM_C, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 11.65333, + .sr_exit_time_us = 9.89, + .sr_enter_plus_exit_time_us = 11.24, + .valid = true, + }, + { + .wm_inst = WM_D, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 11.65333, + .sr_exit_time_us = 9.748, + .sr_enter_plus_exit_time_us = 11.102, + .valid = true, + }, + } +}; static unsigned int find_dcfclk_for_voltage(struct dpm_clocks *clock_table, unsigned int voltage) { @@ -722,6 +774,7 @@ void rn_clk_mgr_construct( struct clk_log_info log_info = {0}; clk_mgr->smu_ver = rn_vbios_smu_get_smu_version(clk_mgr); + clk_mgr->periodic_retraining_disabled = rn_vbios_smu_is_periodic_retraining_disabled(clk_mgr); /* SMU Version 55.51.0 and up no longer have an issue * that needs to limit minimum dispclk */ @@ -736,7 +789,11 @@ void rn_clk_mgr_construct( clk_mgr->base.dentist_vco_freq_khz = 3600000; if (ctx->dc_bios->integrated_info->memory_type == LpDdr4MemType) { - rn_bw_params.wm_table = lpddr4_wm_table; + if (clk_mgr->periodic_retraining_disabled) { + rn_bw_params.wm_table = lpddr4_wm_table_with_disabled_ppt; + } else { + rn_bw_params.wm_table = lpddr4_wm_table; + } } else { rn_bw_params.wm_table = ddr4_wm_table; } diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c index 6878aedf1d3e..9a374522e963 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c @@ -26,6 +26,7 @@ #include "core_types.h" #include "clk_mgr_internal.h" #include "reg_helper.h" +#include <linux/delay.h> #include "renoir_ip_offset.h" @@ -51,12 +52,46 @@ #define VBIOSSMC_MSG_GetFclkFrequency 0xB #define VBIOSSMC_MSG_SetDisplayCount 0xC #define VBIOSSMC_MSG_EnableTmdp48MHzRefclkPwrDown 0xD -#define VBIOSSMC_MSG_UpdatePmeRestore 0xE +#define VBIOSSMC_MSG_UpdatePmeRestore 0xE +#define VBIOSSMC_MSG_IsPeriodicRetrainingDisabled 0xF + +#define VBIOSSMC_Status_BUSY 0x0 +#define VBIOSSMC_Result_OK 0x1 +#define VBIOSSMC_Result_Failed 0xFF +#define VBIOSSMC_Result_UnknownCmd 0xFE +#define VBIOSSMC_Result_CmdRejectedPrereq 0xFD +#define VBIOSSMC_Result_CmdRejectedBusy 0xFC + +/* + * Function to be used instead of REG_WAIT macro because the wait ends when + * the register is NOT EQUAL to zero, and because the translation in msg_if.h + * won't work with REG_WAIT. + */ +static uint32_t rn_smu_wait_for_response(struct clk_mgr_internal *clk_mgr, unsigned int delay_us, unsigned int max_retries) +{ + uint32_t res_val = VBIOSSMC_Status_BUSY; + + do { + res_val = REG_READ(MP1_SMN_C2PMSG_91); + if (res_val != VBIOSSMC_Status_BUSY) + break; + + if (delay_us >= 1000) + msleep(delay_us/1000); + else if (delay_us > 0) + udelay(delay_us); + } while (max_retries--); + + return res_val; +} + int rn_vbios_smu_send_msg_with_param(struct clk_mgr_internal *clk_mgr, unsigned int msg_id, unsigned int param) { + uint32_t result; + /* First clear response register */ - REG_WRITE(MP1_SMN_C2PMSG_91, 0); + REG_WRITE(MP1_SMN_C2PMSG_91, VBIOSSMC_Status_BUSY); /* Set the parameter register for the SMU message, unit is Mhz */ REG_WRITE(MP1_SMN_C2PMSG_83, param); @@ -64,7 +99,9 @@ int rn_vbios_smu_send_msg_with_param(struct clk_mgr_internal *clk_mgr, unsigned /* Trigger the message transaction by writing the message ID */ REG_WRITE(MP1_SMN_C2PMSG_67, msg_id); - REG_WAIT(MP1_SMN_C2PMSG_91, CONTENT, 1, 10, 200000); + result = rn_smu_wait_for_response(clk_mgr, 10, 1000); + + ASSERT(result == VBIOSSMC_Result_OK || result == VBIOSSMC_Result_UnknownCmd); /* Actual dispclk set is returned in the parameter register */ return REG_READ(MP1_SMN_C2PMSG_83); @@ -196,3 +233,11 @@ void rn_vbios_smu_enable_pme_wa(struct clk_mgr_internal *clk_mgr) VBIOSSMC_MSG_UpdatePmeRestore, 0); } + +int rn_vbios_smu_is_periodic_retraining_disabled(struct clk_mgr_internal *clk_mgr) +{ + return rn_vbios_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_IsPeriodicRetrainingDisabled, + 0); +} diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.h b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.h index ccc01879c9d4..3e5df27aa96f 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.h +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.h @@ -36,5 +36,6 @@ int rn_vbios_smu_set_dppclk(struct clk_mgr_internal *clk_mgr, int requested_dpp_ void rn_vbios_smu_set_dcn_low_power_state(struct clk_mgr_internal *clk_mgr, int display_count); void rn_vbios_smu_enable_48mhz_tmdp_refclk_pwrdwn(struct clk_mgr_internal *clk_mgr, bool enable); void rn_vbios_smu_enable_pme_wa(struct clk_mgr_internal *clk_mgr); +int rn_vbios_smu_is_periodic_retraining_disabled(struct clk_mgr_internal *clk_mgr); #endif /* DAL_DC_DCN10_RV1_CLK_MGR_VBIOS_SMU_H_ */ diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dalsmc.h b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dalsmc.h new file mode 100644 index 000000000000..5ed03287aaaf --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dalsmc.h @@ -0,0 +1,60 @@ +/* + * Copyright 2020 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 + * + */ + +// TEMPORARY until this exists in the proper location +#ifndef DALSMC_H +#define DALSMC_H + +#define DALSMC_VERSION 0x1 + +// SMU Response Codes: +#define DALSMC_Result_OK 0x1 +#define DALSMC_Result_Failed 0xFF +#define DALSMC_Result_UnknownCmd 0xFE +#define DALSMC_Result_CmdRejectedPrereq 0xFD +#define DALSMC_Result_CmdRejectedBusy 0xFC + + + +// Message Definitions: +#define DALSMC_MSG_TestMessage 0x1 +#define DALSMC_MSG_GetSmuVersion 0x2 +#define DALSMC_MSG_GetDriverIfVersion 0x3 +#define DALSMC_MSG_GetMsgHeaderVersion 0x4 +#define DALSMC_MSG_SetDalDramAddrHigh 0x5 +#define DALSMC_MSG_SetDalDramAddrLow 0x6 +#define DALSMC_MSG_TransferTableSmu2Dram 0x7 +#define DALSMC_MSG_TransferTableDram2Smu 0x8 +#define DALSMC_MSG_SetHardMinByFreq 0x9 +#define DALSMC_MSG_SetHardMaxByFreq 0xA +#define DALSMC_MSG_GetDpmFreqByIndex 0xB +#define DALSMC_MSG_GetDcModeMaxDpmFreq 0xC +#define DALSMC_MSG_SetMinDeepSleepDcefclk 0xD +#define DALSMC_MSG_NumOfDisplays 0xE +#define DALSMC_MSG_SetExternalClientDfCstateAllow 0x10 +#define DALSMC_MSG_BacoAudioD3PME 0x11 +#define DALSMC_Message_Count 0x12 + +#endif diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c new file mode 100644 index 000000000000..d94fdc52be37 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c @@ -0,0 +1,562 @@ +/* + * Copyright 2020 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#include "dccg.h" +#include "clk_mgr_internal.h" + +#include "dcn30_clk_mgr_smu_msg.h" +#include "dcn20/dcn20_clk_mgr.h" +#include "dce100/dce_clk_mgr.h" +#include "reg_helper.h" +#include "core_types.h" +#include "dm_helpers.h" + +#include "atomfirmware.h" + + +#include "sienna_cichlid_ip_offset.h" +#include "dcn/dcn_3_0_0_offset.h" +#include "dcn/dcn_3_0_0_sh_mask.h" + +#include "nbio/nbio_7_4_offset.h" + +#include "dcn/dpcs_3_0_0_offset.h" +#include "dcn/dpcs_3_0_0_sh_mask.h" + +#include "mmhub/mmhub_2_0_0_offset.h" +#include "mmhub/mmhub_2_0_0_sh_mask.h" +/*we don't have clk folder yet*/ +#include "dcn30/dcn30_clk_mgr.h" + +#undef FN +#define FN(reg_name, field_name) \ + clk_mgr->clk_mgr_shift->field_name, clk_mgr->clk_mgr_mask->field_name + +#define REG(reg) \ + (clk_mgr->regs->reg) + +#define BASE_INNER(seg) DCN_BASE__INST0_SEG ## seg + +#define BASE(seg) BASE_INNER(seg) + +#define SR(reg_name)\ + .reg_name = BASE(mm ## reg_name ## _BASE_IDX) + \ + mm ## reg_name + +#undef CLK_SRI +#define CLK_SRI(reg_name, block, inst)\ + .reg_name = mm ## block ## _ ## reg_name + +static const struct clk_mgr_registers clk_mgr_regs = { + CLK_REG_LIST_DCN3() +}; + +static const struct clk_mgr_shift clk_mgr_shift = { + CLK_COMMON_MASK_SH_LIST_DCN20_BASE(__SHIFT) +}; + +static const struct clk_mgr_mask clk_mgr_mask = { + CLK_COMMON_MASK_SH_LIST_DCN20_BASE(_MASK) +}; + + +/* Query SMU for all clock states for a particular clock */ +static void dcn3_init_single_clock(struct clk_mgr_internal *clk_mgr, PPCLK_e clk, unsigned int *entry_0, unsigned int *num_levels) +{ + unsigned int i; + char *entry_i = (char *)entry_0; + uint32_t ret = dcn30_smu_get_dpm_freq_by_index(clk_mgr, clk, 0xFF); + + if (ret & (1 << 31)) + /* fine-grained, only min and max */ + *num_levels = 2; + else + /* discrete, a number of fixed states */ + /* will set num_levels to 0 on failure */ + *num_levels = ret & 0xFF; + + /* if the initial message failed, num_levels will be 0 */ + for (i = 0; i < *num_levels; i++) { + *((unsigned int *)entry_i) = (dcn30_smu_get_dpm_freq_by_index(clk_mgr, clk, i) & 0xFFFF); + entry_i += sizeof(clk_mgr->base.bw_params->clk_table.entries[0]); + } +} + +static void dcn3_build_wm_range_table(struct clk_mgr_internal *clk_mgr) +{ + /* defaults */ + double pstate_latency_us = clk_mgr->base.ctx->dc->dml.soc.dram_clock_change_latency_us; + double sr_exit_time_us = clk_mgr->base.ctx->dc->dml.soc.sr_exit_time_us; + double sr_enter_plus_exit_time_us = clk_mgr->base.ctx->dc->dml.soc.sr_enter_plus_exit_time_us; + uint16_t min_uclk_mhz = clk_mgr->base.bw_params->clk_table.entries[0].memclk_mhz; + + /* Set A - Normal - default values*/ + clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].valid = true; + clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].dml_input.pstate_latency_us = pstate_latency_us; + clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].dml_input.sr_exit_time_us = sr_exit_time_us; + clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].dml_input.sr_enter_plus_exit_time_us = sr_enter_plus_exit_time_us; + clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.wm_type = WATERMARKS_CLOCK_RANGE; + clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.min_dcfclk = 0; + clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.max_dcfclk = 0xFFFF; + clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.min_uclk = min_uclk_mhz; + clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.max_uclk = 0xFFFF; + + /* Set B - Performance - higher minimum clocks */ +// clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].valid = true; +// clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].dml_input.pstate_latency_us = pstate_latency_us; +// clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].dml_input.sr_exit_time_us = sr_exit_time_us; +// clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].dml_input.sr_enter_plus_exit_time_us = sr_enter_plus_exit_time_us; +// clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.wm_type = WATERMARKS_CLOCK_RANGE; +// clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.min_dcfclk = TUNED VALUE; +// clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.max_dcfclk = 0xFFFF; +// clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.min_uclk = TUNED VALUE; +// clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.max_uclk = 0xFFFF; + + /* Set C - Dummy P-State - P-State latency set to "dummy p-state" value */ + clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].valid = true; + clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].dml_input.pstate_latency_us = clk_mgr->base.ctx->dc->dml.soc.dummy_pstate_latency_us; + clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].dml_input.sr_exit_time_us = sr_exit_time_us; + clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].dml_input.sr_enter_plus_exit_time_us = sr_enter_plus_exit_time_us; + clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.wm_type = WATERMARKS_DUMMY_PSTATE; + clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.min_dcfclk = 0; + clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.max_dcfclk = 0xFFFF; + clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.min_uclk = min_uclk_mhz; + clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.max_uclk = 0xFFFF; + +} + +void dcn3_init_clocks(struct clk_mgr *clk_mgr_base) +{ + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + unsigned int num_levels; + + memset(&(clk_mgr_base->clks), 0, sizeof(struct dc_clocks)); + clk_mgr_base->clks.p_state_change_support = true; + clk_mgr_base->clks.prev_p_state_change_support = true; + clk_mgr->smu_present = false; + + if (!clk_mgr_base->bw_params) + return; + + if (!clk_mgr_base->force_smu_not_present && dcn30_smu_get_smu_version(clk_mgr, &clk_mgr->smu_ver)) + clk_mgr->smu_present = true; + + if (!clk_mgr->smu_present) + return; + + // do we fail if these fail? if so, how? do we not care to check? + dcn30_smu_check_driver_if_version(clk_mgr); + dcn30_smu_check_msg_header_version(clk_mgr); + + /* DCFCLK */ + dcn3_init_single_clock(clk_mgr, PPCLK_DCEFCLK, + &clk_mgr_base->bw_params->clk_table.entries[0].dcfclk_mhz, + &num_levels); + + /* DTBCLK */ + dcn3_init_single_clock(clk_mgr, PPCLK_DTBCLK, + &clk_mgr_base->bw_params->clk_table.entries[0].dtbclk_mhz, + &num_levels); + + // DPREFCLK ??? + + /* DISPCLK */ + dcn3_init_single_clock(clk_mgr, PPCLK_DISPCLK, + &clk_mgr_base->bw_params->clk_table.entries[0].dispclk_mhz, + &num_levels); + + /* DPPCLK */ + dcn3_init_single_clock(clk_mgr, PPCLK_PIXCLK, + &clk_mgr_base->bw_params->clk_table.entries[0].dppclk_mhz, + &num_levels); + + /* PHYCLK */ + dcn3_init_single_clock(clk_mgr, PPCLK_PHYCLK, + &clk_mgr_base->bw_params->clk_table.entries[0].phyclk_mhz, + &num_levels); + + /* Get UCLK, update bounding box */ + clk_mgr_base->funcs->get_memclk_states_from_smu(clk_mgr_base); + + /* WM range table */ + dcn3_build_wm_range_table(clk_mgr); +} + +static int dcn30_get_vco_frequency_from_reg(struct clk_mgr_internal *clk_mgr) +{ + /* get FbMult value */ + struct fixed31_32 pll_req; + /* get FbMult value */ + uint32_t pll_req_reg = REG_READ(CLK0_CLK_PLL_REQ); + + /* set up a fixed-point number + * this works because the int part is on the right edge of the register + * and the frac part is on the left edge + */ + pll_req = dc_fixpt_from_int(pll_req_reg & clk_mgr->clk_mgr_mask->FbMult_int); + pll_req.value |= pll_req_reg & clk_mgr->clk_mgr_mask->FbMult_frac; + + /* multiply by REFCLK period */ + pll_req = dc_fixpt_mul_int(pll_req, clk_mgr->dfs_ref_freq_khz); + + return dc_fixpt_floor(pll_req); +} + +static void dcn3_update_clocks(struct clk_mgr *clk_mgr_base, + struct dc_state *context, + bool safe_to_lower) +{ + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + struct dc_clocks *new_clocks = &context->bw_ctx.bw.dcn.clk; + struct dc *dc = clk_mgr_base->ctx->dc; + int display_count; + bool update_dppclk = false; + bool update_dispclk = false; + bool enter_display_off = false; + bool dpp_clock_lowered = false; + struct dmcu *dmcu = clk_mgr_base->ctx->dc->res_pool->dmcu; + bool force_reset = false; + bool update_uclk = false; + + if (dc->work_arounds.skip_clock_update || !clk_mgr->smu_present) + return; + + if (clk_mgr_base->clks.dispclk_khz == 0 || + (dc->debug.force_clock_mode & 0x1)) { + /* this is from resume or boot up, if forced_clock cfg option used, we bypass program dispclk and DPPCLK, but need set them for S3. */ + force_reset = true; + + dcn2_read_clocks_from_hw_dentist(clk_mgr_base); + + /* force_clock_mode 0x1: force reset the clock even it is the same clock as long as it is in Passive level. */ + } + display_count = clk_mgr_helper_get_active_display_cnt(dc, context); + + if (display_count == 0) + enter_display_off = true; + + if (enter_display_off == safe_to_lower) + dcn30_smu_set_num_of_displays(clk_mgr, display_count); + + if (dc->debug.force_min_dcfclk_mhz > 0) + new_clocks->dcfclk_khz = (new_clocks->dcfclk_khz > (dc->debug.force_min_dcfclk_mhz * 1000)) ? + new_clocks->dcfclk_khz : (dc->debug.force_min_dcfclk_mhz * 1000); + + if (should_set_clock(safe_to_lower, new_clocks->dcfclk_khz, clk_mgr_base->clks.dcfclk_khz)) { + clk_mgr_base->clks.dcfclk_khz = new_clocks->dcfclk_khz; + dcn30_smu_set_hard_min_by_freq(clk_mgr, PPCLK_DCEFCLK, clk_mgr_base->clks.dcfclk_khz / 1000); + } + + if (should_set_clock(safe_to_lower, new_clocks->dcfclk_deep_sleep_khz, clk_mgr_base->clks.dcfclk_deep_sleep_khz)) { + clk_mgr_base->clks.dcfclk_deep_sleep_khz = new_clocks->dcfclk_deep_sleep_khz; + dcn30_smu_set_min_deep_sleep_dcef_clk(clk_mgr, clk_mgr_base->clks.dcfclk_deep_sleep_khz / 1000); + } + + if (should_set_clock(safe_to_lower, new_clocks->socclk_khz, clk_mgr_base->clks.socclk_khz)) + /* We don't actually care about socclk, don't notify SMU of hard min */ + clk_mgr_base->clks.socclk_khz = new_clocks->socclk_khz; + + clk_mgr_base->clks.prev_p_state_change_support = clk_mgr_base->clks.p_state_change_support; + if (should_update_pstate_support(safe_to_lower, new_clocks->p_state_change_support, clk_mgr_base->clks.p_state_change_support)) { + clk_mgr_base->clks.p_state_change_support = new_clocks->p_state_change_support; + + /* to disable P-State switching, set UCLK min = max */ + if (!clk_mgr_base->clks.p_state_change_support) + dcn30_smu_set_hard_min_by_freq(clk_mgr, PPCLK_UCLK, + clk_mgr_base->bw_params->clk_table.entries[clk_mgr_base->bw_params->clk_table.num_entries - 1].memclk_mhz); + } + + /* Always update saved value, even if new value not set due to P-State switching unsupported */ + if (should_set_clock(safe_to_lower, new_clocks->dramclk_khz, clk_mgr_base->clks.dramclk_khz)) { + clk_mgr_base->clks.dramclk_khz = new_clocks->dramclk_khz; + update_uclk = true; + } + + /* set UCLK to requested value if P-State switching is supported, or to re-enable P-State switching */ + if (clk_mgr_base->clks.p_state_change_support && + (update_uclk || !clk_mgr_base->clks.prev_p_state_change_support)) + dcn30_smu_set_hard_min_by_freq(clk_mgr, PPCLK_UCLK, clk_mgr_base->clks.dramclk_khz / 1000); + + if (should_set_clock(safe_to_lower, new_clocks->dppclk_khz, clk_mgr_base->clks.dppclk_khz)) { + if (clk_mgr_base->clks.dppclk_khz > new_clocks->dppclk_khz) + dpp_clock_lowered = true; + + clk_mgr_base->clks.dppclk_khz = new_clocks->dppclk_khz; + dcn30_smu_set_hard_min_by_freq(clk_mgr, PPCLK_PIXCLK, clk_mgr_base->clks.dppclk_khz / 1000); + update_dppclk = true; + } + + if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, clk_mgr_base->clks.dispclk_khz)) { + clk_mgr_base->clks.dispclk_khz = new_clocks->dispclk_khz; + dcn30_smu_set_hard_min_by_freq(clk_mgr, PPCLK_DISPCLK, clk_mgr_base->clks.dispclk_khz / 1000); + update_dispclk = true; + } + + if (dc->config.forced_clocks == false || (force_reset && safe_to_lower)) { + if (dpp_clock_lowered) { + /* if clock is being lowered, increase DTO before lowering refclk */ + dcn20_update_clocks_update_dpp_dto(clk_mgr, context, safe_to_lower); + dcn20_update_clocks_update_dentist(clk_mgr); + } else { + /* if clock is being raised, increase refclk before lowering DTO */ + if (update_dppclk || update_dispclk) + dcn20_update_clocks_update_dentist(clk_mgr); + /* always update dtos unless clock is lowered and not safe to lower */ + if (new_clocks->dppclk_khz >= dc->current_state->bw_ctx.bw.dcn.clk.dppclk_khz) + dcn20_update_clocks_update_dpp_dto(clk_mgr, context, safe_to_lower); + } + } + + if (update_dispclk && dmcu && dmcu->funcs->is_dmcu_initialized(dmcu)) + /*update dmcu for wait_loop count*/ + dmcu->funcs->set_psr_wait_loop(dmcu, + clk_mgr_base->clks.dispclk_khz / 1000 / 7); +} + + +static void dcn3_notify_wm_ranges(struct clk_mgr *clk_mgr_base) +{ + unsigned int i; + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + WatermarksExternal_t *table = (WatermarksExternal_t *) clk_mgr->wm_range_table; + + if (!clk_mgr->smu_present) + return; + + if (!table) + // should log failure + return; + + memset(table, 0, sizeof(*table)); + + /* collect valid ranges, place in pmfw table */ + for (i = 0; i < WM_SET_COUNT; i++) + if (clk_mgr->base.bw_params->wm_table.nv_entries[i].valid) { + table->Watermarks.WatermarkRow[WM_DCEFCLK][i].MinClock = clk_mgr->base.bw_params->wm_table.nv_entries[i].pmfw_breakdown.min_dcfclk; + table->Watermarks.WatermarkRow[WM_DCEFCLK][i].MaxClock = clk_mgr->base.bw_params->wm_table.nv_entries[i].pmfw_breakdown.max_dcfclk; + table->Watermarks.WatermarkRow[WM_DCEFCLK][i].MinUclk = clk_mgr->base.bw_params->wm_table.nv_entries[i].pmfw_breakdown.min_uclk; + table->Watermarks.WatermarkRow[WM_DCEFCLK][i].MaxUclk = clk_mgr->base.bw_params->wm_table.nv_entries[i].pmfw_breakdown.max_uclk; + table->Watermarks.WatermarkRow[WM_DCEFCLK][i].WmSetting = i; + table->Watermarks.WatermarkRow[WM_DCEFCLK][i].Flags = clk_mgr->base.bw_params->wm_table.nv_entries[i].pmfw_breakdown.wm_type; + } + + dcn30_smu_set_dram_addr_high(clk_mgr, clk_mgr->wm_range_table_addr >> 32); + dcn30_smu_set_dram_addr_low(clk_mgr, clk_mgr->wm_range_table_addr & 0xFFFFFFFF); + dcn30_smu_transfer_wm_table_dram_2_smu(clk_mgr); +} + +/* Set min memclk to minimum, either constrained by the current mode or DPM0 */ +static void dcn3_set_hard_min_memclk(struct clk_mgr *clk_mgr_base, bool current_mode) +{ + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + + if (!clk_mgr->smu_present) + return; + + if (current_mode) + dcn30_smu_set_hard_min_by_freq(clk_mgr, PPCLK_UCLK, + clk_mgr_base->clks.dramclk_khz / 1000); + else + dcn30_smu_set_hard_min_by_freq(clk_mgr, PPCLK_UCLK, + clk_mgr_base->bw_params->clk_table.entries[0].memclk_mhz); +} + +/* Set max memclk to highest DPM value */ +static void dcn3_set_hard_max_memclk(struct clk_mgr *clk_mgr_base) +{ + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + + if (!clk_mgr->smu_present) + return; + + dcn30_smu_set_hard_max_by_freq(clk_mgr, PPCLK_UCLK, + clk_mgr_base->bw_params->clk_table.entries[clk_mgr_base->bw_params->clk_table.num_entries - 1].memclk_mhz); +} + +/* Get current memclk states, update bounding box */ +static void dcn3_get_memclk_states_from_smu(struct clk_mgr *clk_mgr_base) +{ + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + unsigned int num_levels; + + if (!clk_mgr->smu_present) + return; + + /* Refresh memclk states */ + dcn3_init_single_clock(clk_mgr, PPCLK_UCLK, + &clk_mgr_base->bw_params->clk_table.entries[0].memclk_mhz, + &num_levels); + clk_mgr_base->bw_params->clk_table.num_entries = num_levels ? num_levels : 1; + + /* Refresh bounding box */ + clk_mgr_base->ctx->dc->res_pool->funcs->update_bw_bounding_box( + clk_mgr->base.ctx->dc, clk_mgr_base->bw_params); +} + +static bool dcn3_are_clock_states_equal(struct dc_clocks *a, + struct dc_clocks *b) +{ + if (a->dispclk_khz != b->dispclk_khz) + return false; + else if (a->dppclk_khz != b->dppclk_khz) + return false; + else if (a->dcfclk_khz != b->dcfclk_khz) + return false; + else if (a->dcfclk_deep_sleep_khz != b->dcfclk_deep_sleep_khz) + return false; + else if (a->dramclk_khz != b->dramclk_khz) + return false; + else if (a->p_state_change_support != b->p_state_change_support) + return false; + + return true; +} + +static void dcn3_enable_pme_wa(struct clk_mgr *clk_mgr_base) +{ + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + + if (!clk_mgr->smu_present) + return; + + dcn30_smu_set_pme_workaround(clk_mgr); +} + +/* Notify clk_mgr of a change in link rate, update phyclk frequency if necessary */ +static void dcn30_notify_link_rate_change(struct clk_mgr *clk_mgr_base, struct dc_link *link) +{ + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + unsigned int i, max_phyclk_req = clk_mgr_base->bw_params->clk_table.entries[0].phyclk_mhz * 1000; + + if (!clk_mgr->smu_present) + return; + + clk_mgr->cur_phyclk_req_table[link->link_index] = link->cur_link_settings.link_rate * LINK_RATE_REF_FREQ_IN_KHZ; + + for (i = 0; i < MAX_PIPES * 2; i++) { + if (clk_mgr->cur_phyclk_req_table[i] > max_phyclk_req) + max_phyclk_req = clk_mgr->cur_phyclk_req_table[i]; + } + + if (max_phyclk_req != clk_mgr_base->clks.phyclk_khz) { + clk_mgr_base->clks.phyclk_khz = max_phyclk_req; + dcn30_smu_set_hard_min_by_freq(clk_mgr, PPCLK_PHYCLK, clk_mgr_base->clks.phyclk_khz / 1000); + } +} + +static struct clk_mgr_funcs dcn3_funcs = { + .get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz, + .update_clocks = dcn3_update_clocks, + .init_clocks = dcn3_init_clocks, + .notify_wm_ranges = dcn3_notify_wm_ranges, + .set_hard_min_memclk = dcn3_set_hard_min_memclk, + .set_hard_max_memclk = dcn3_set_hard_max_memclk, + .get_memclk_states_from_smu = dcn3_get_memclk_states_from_smu, + .are_clock_states_equal = dcn3_are_clock_states_equal, + .enable_pme_wa = dcn3_enable_pme_wa, + .notify_link_rate_change = dcn30_notify_link_rate_change, +}; + +static void dcn3_init_clocks_fpga(struct clk_mgr *clk_mgr) +{ + dcn2_init_clocks(clk_mgr); + +/* TODO: Implement the functions and remove the ifndef guard */ +} + +static struct clk_mgr_funcs dcn3_fpga_funcs = { + .get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz, + .update_clocks = dcn2_update_clocks_fpga, + .init_clocks = dcn3_init_clocks_fpga, +}; + +/*todo for dcn30 for clk register offset*/ +void dcn3_clk_mgr_construct( + struct dc_context *ctx, + struct clk_mgr_internal *clk_mgr, + struct pp_smu_funcs *pp_smu, + struct dccg *dccg) +{ + clk_mgr->base.ctx = ctx; + clk_mgr->base.funcs = &dcn3_funcs; + clk_mgr->regs = &clk_mgr_regs; + clk_mgr->clk_mgr_shift = &clk_mgr_shift; + clk_mgr->clk_mgr_mask = &clk_mgr_mask; + + clk_mgr->dccg = dccg; + clk_mgr->dfs_bypass_disp_clk = 0; + + clk_mgr->dprefclk_ss_percentage = 0; + clk_mgr->dprefclk_ss_divider = 1000; + clk_mgr->ss_on_dprefclk = false; + clk_mgr->dfs_ref_freq_khz = 100000; + + clk_mgr->base.dprefclk_khz = 730000; // 700 MHz planned if VCO is 3.85 GHz, will be retrieved + + if (IS_FPGA_MAXIMUS_DC(ctx->dce_environment)) { + clk_mgr->base.funcs = &dcn3_fpga_funcs; + clk_mgr->base.dentist_vco_freq_khz = 3650000; + + } else { + struct clk_state_registers_and_bypass s = { 0 }; + + /* integer part is now VCO frequency in kHz */ + clk_mgr->base.dentist_vco_freq_khz = dcn30_get_vco_frequency_from_reg(clk_mgr); + + /* in case we don't get a value from the register, use default */ + if (clk_mgr->base.dentist_vco_freq_khz == 0) + clk_mgr->base.dentist_vco_freq_khz = 3650000; + /* Convert dprefclk units from MHz to KHz */ + /* Value already divided by 10, some resolution lost */ + + /*TODO: uncomment assert once dcn3_dump_clk_registers is implemented */ + //ASSERT(s.dprefclk != 0); + if (s.dprefclk != 0) + clk_mgr->base.dprefclk_khz = s.dprefclk * 1000; + } + + clk_mgr->dfs_bypass_enabled = false; + + clk_mgr->smu_present = false; + + dce_clock_read_ss_info(clk_mgr); + + clk_mgr->base.bw_params = kzalloc(sizeof(*clk_mgr->base.bw_params), GFP_KERNEL); + + /* need physical address of table to give to PMFW */ + clk_mgr->wm_range_table = dm_helpers_allocate_gpu_mem(clk_mgr->base.ctx, + DC_MEM_ALLOC_TYPE_GART, sizeof(WatermarksExternal_t), + &clk_mgr->wm_range_table_addr); +} + +void dcn3_clk_mgr_destroy(struct clk_mgr_internal *clk_mgr) +{ + if (clk_mgr->base.bw_params) + kfree(clk_mgr->base.bw_params); + + if (clk_mgr->wm_range_table) + dm_helpers_free_gpu_mem(clk_mgr->base.ctx, DC_MEM_ALLOC_TYPE_GART, + clk_mgr->wm_range_table); +} diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.h b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.h new file mode 100644 index 000000000000..dd4a0bd72458 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.h @@ -0,0 +1,38 @@ +/* + * Copyright 2020 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 __DCN30_CLK_MGR_H__ +#define __DCN30_CLK_MGR_H__ + +void dcn3_init_clocks(struct clk_mgr *clk_mgr_base); + +void dcn3_clk_mgr_construct(struct dc_context *ctx, + struct clk_mgr_internal *clk_mgr, + struct pp_smu_funcs *pp_smu, + struct dccg *dccg); + +void dcn3_clk_mgr_destroy(struct clk_mgr_internal *clk_mgr); + +#endif //__DCN30_CLK_MGR_H__ diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr_smu_msg.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr_smu_msg.c new file mode 100644 index 000000000000..7ee3ec5a8af8 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr_smu_msg.c @@ -0,0 +1,314 @@ +/* + * Copyright 2020 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 <linux/delay.h> +#include "dcn30_clk_mgr_smu_msg.h" + +#include "clk_mgr_internal.h" +#include "reg_helper.h" +#include "dalsmc.h" + +#define mmDAL_MSG_REG 0x1628A +#define mmDAL_ARG_REG 0x16273 +#define mmDAL_RESP_REG 0x16274 + +#define REG(reg_name) \ + mm ## reg_name + +#include "logger_types.h" +#undef DC_LOGGER +#define DC_LOGGER \ + CTX->logger +#define smu_print(str, ...) {DC_LOG_SMU(str, ##__VA_ARGS__); } + + +/* + * Function to be used instead of REG_WAIT macro because the wait ends when + * the register is NOT EQUAL to zero, and because the translation in msg_if.h + * won't work with REG_WAIT. + */ +static uint32_t dcn30_smu_wait_for_response(struct clk_mgr_internal *clk_mgr, unsigned int delay_us, unsigned int max_retries) +{ + uint32_t reg = 0; + + do { + reg = REG_READ(DAL_RESP_REG); + if (reg) + break; + + if (delay_us >= 1000) + msleep(delay_us/1000); + else if (delay_us > 0) + udelay(delay_us); + } while (max_retries--); + + /* handle DALSMC_Result_CmdRejectedBusy? */ + + /* Log? */ + + return reg; +} + +static bool dcn30_smu_send_msg_with_param(struct clk_mgr_internal *clk_mgr, uint32_t msg_id, uint32_t param_in, uint32_t *param_out) +{ + /* Wait for response register to be ready */ + dcn30_smu_wait_for_response(clk_mgr, 10, 200000); + + /* Clear response register */ + REG_WRITE(DAL_RESP_REG, 0); + + /* Set the parameter register for the SMU message */ + REG_WRITE(DAL_ARG_REG, param_in); + + /* Trigger the message transaction by writing the message ID */ + REG_WRITE(DAL_MSG_REG, msg_id); + + /* Wait for response */ + if (dcn30_smu_wait_for_response(clk_mgr, 10, 200000) == DALSMC_Result_OK) { + if (param_out) + *param_out = REG_READ(DAL_ARG_REG); + + return true; + } + + return false; +} + +/* Test message should return input + 1 */ +bool dcn30_smu_test_message(struct clk_mgr_internal *clk_mgr, uint32_t input) +{ + uint32_t response = 0; + + smu_print("SMU Test message: %d\n", input); + + if (dcn30_smu_send_msg_with_param(clk_mgr, + DALSMC_MSG_TestMessage, input, &response)) + if (response == input + 1) + return true; + + return false; +} + +bool dcn30_smu_get_smu_version(struct clk_mgr_internal *clk_mgr, unsigned int *version) +{ + smu_print("SMU Get SMU version\n"); + + if (dcn30_smu_send_msg_with_param(clk_mgr, + DALSMC_MSG_GetSmuVersion, 0, version)) { + + smu_print("SMU version: %d\n", *version); + + return true; + } + + return false; +} + +/* Message output should match SMU11_DRIVER_IF_VERSION in smu11_driver_if.h */ +bool dcn30_smu_check_driver_if_version(struct clk_mgr_internal *clk_mgr) +{ + uint32_t response = 0; + + smu_print("SMU Check driver if version\n"); + + if (dcn30_smu_send_msg_with_param(clk_mgr, + DALSMC_MSG_GetDriverIfVersion, 0, &response)) { + + smu_print("SMU driver if version: %d\n", response); + + if (response == SMU11_DRIVER_IF_VERSION) + return true; + } + + return false; +} + +/* Message output should match DALSMC_VERSION in dalsmc.h */ +bool dcn30_smu_check_msg_header_version(struct clk_mgr_internal *clk_mgr) +{ + uint32_t response = 0; + + smu_print("SMU Check msg header version\n"); + + if (dcn30_smu_send_msg_with_param(clk_mgr, + DALSMC_MSG_GetMsgHeaderVersion, 0, &response)) { + + smu_print("SMU msg header version: %d\n", response); + + if (response == DALSMC_VERSION) + return true; + } + + return false; +} + +void dcn30_smu_set_dram_addr_high(struct clk_mgr_internal *clk_mgr, uint32_t addr_high) +{ + smu_print("SMU Set DRAM addr high: %d\n", addr_high); + + dcn30_smu_send_msg_with_param(clk_mgr, + DALSMC_MSG_SetDalDramAddrHigh, addr_high, NULL); +} + +void dcn30_smu_set_dram_addr_low(struct clk_mgr_internal *clk_mgr, uint32_t addr_low) +{ + smu_print("SMU Set DRAM addr low: %d\n", addr_low); + + dcn30_smu_send_msg_with_param(clk_mgr, + DALSMC_MSG_SetDalDramAddrLow, addr_low, NULL); +} + +void dcn30_smu_transfer_wm_table_smu_2_dram(struct clk_mgr_internal *clk_mgr) +{ + smu_print("SMU Transfer WM table SMU 2 DRAM\n"); + + dcn30_smu_send_msg_with_param(clk_mgr, + DALSMC_MSG_TransferTableSmu2Dram, TABLE_WATERMARKS, NULL); +} + +void dcn30_smu_transfer_wm_table_dram_2_smu(struct clk_mgr_internal *clk_mgr) +{ + smu_print("SMU Transfer WM table DRAM 2 SMU\n"); + + dcn30_smu_send_msg_with_param(clk_mgr, + DALSMC_MSG_TransferTableDram2Smu, TABLE_WATERMARKS, NULL); +} + +/* Returns the actual frequency that was set in MHz, 0 on failure */ +unsigned int dcn30_smu_set_hard_min_by_freq(struct clk_mgr_internal *clk_mgr, PPCLK_e clk, uint16_t freq_mhz) +{ + uint32_t response = 0; + + /* bits 23:16 for clock type, lower 16 bits for frequency in MHz */ + uint32_t param = (clk << 16) | freq_mhz; + + smu_print("SMU Set hard min by freq: clk = %d, freq_mhz = %d MHz\n", clk, freq_mhz); + + dcn30_smu_send_msg_with_param(clk_mgr, + DALSMC_MSG_SetHardMinByFreq, param, &response); + + smu_print("SMU Frequency set = %d MHz\n", response); + + return response; +} + +/* Returns the actual frequency that was set in MHz, 0 on failure */ +unsigned int dcn30_smu_set_hard_max_by_freq(struct clk_mgr_internal *clk_mgr, PPCLK_e clk, uint16_t freq_mhz) +{ + uint32_t response = 0; + + /* bits 23:16 for clock type, lower 16 bits for frequency in MHz */ + uint32_t param = (clk << 16) | freq_mhz; + + smu_print("SMU Set hard max by freq: clk = %d, freq_mhz = %d MHz\n", clk, freq_mhz); + + dcn30_smu_send_msg_with_param(clk_mgr, + DALSMC_MSG_SetHardMaxByFreq, param, &response); + + smu_print("SMU Frequency set = %d MHz\n", response); + + return response; +} + +/* + * Frequency in MHz returned in lower 16 bits for valid DPM level + * + * Call with dpm_level = 0xFF to query features, return value will be: + * Bits 7:0 - number of DPM levels + * Bit 28 - 1 = auto DPM on + * Bit 29 - 1 = sweep DPM on + * Bit 30 - 1 = forced DPM on + * Bit 31 - 0 = discrete, 1 = fine-grained + * + * With fine-grained DPM, only min and max frequencies will be reported + * + * Returns 0 on failure + */ +unsigned int dcn30_smu_get_dpm_freq_by_index(struct clk_mgr_internal *clk_mgr, PPCLK_e clk, uint8_t dpm_level) +{ + uint32_t response = 0; + + /* bits 23:16 for clock type, lower 8 bits for DPM level */ + uint32_t param = (clk << 16) | dpm_level; + + smu_print("SMU Get dpm freq by index: clk = %d, dpm_level = %d\n", clk, dpm_level); + + dcn30_smu_send_msg_with_param(clk_mgr, + DALSMC_MSG_GetDpmFreqByIndex, param, &response); + + smu_print("SMU dpm freq: %d MHz\n", response); + + return response; +} + +/* Returns the max DPM frequency in DC mode in MHz, 0 on failure */ +unsigned int dcn30_smu_get_dc_mode_max_dpm_freq(struct clk_mgr_internal *clk_mgr, PPCLK_e clk) +{ + uint32_t response = 0; + + /* bits 23:16 for clock type */ + uint32_t param = clk << 16; + + smu_print("SMU Get DC mode max DPM freq: clk = %d\n", clk); + + dcn30_smu_send_msg_with_param(clk_mgr, + DALSMC_MSG_GetDcModeMaxDpmFreq, param, &response); + + smu_print("SMU DC mode max DMP freq: %d MHz\n", response); + + return response; +} + +void dcn30_smu_set_min_deep_sleep_dcef_clk(struct clk_mgr_internal *clk_mgr, uint32_t freq_mhz) +{ + smu_print("SMU Set min deep sleep dcef clk: freq_mhz = %d MHz\n", freq_mhz); + + dcn30_smu_send_msg_with_param(clk_mgr, + DALSMC_MSG_SetMinDeepSleepDcefclk, freq_mhz, NULL); +} + +void dcn30_smu_set_num_of_displays(struct clk_mgr_internal *clk_mgr, uint32_t num_displays) +{ + smu_print("SMU Set num of displays: num_displays = %d\n", num_displays); + + dcn30_smu_send_msg_with_param(clk_mgr, + DALSMC_MSG_NumOfDisplays, num_displays, NULL); +} + +void dcn30_smu_set_external_client_df_cstate_allow(struct clk_mgr_internal *clk_mgr, bool enable) +{ + smu_print("SMU Set external client df cstate allow: enable = %d\n", enable); + + dcn30_smu_send_msg_with_param(clk_mgr, + DALSMC_MSG_SetExternalClientDfCstateAllow, enable ? 1 : 0, NULL); +} + +void dcn30_smu_set_pme_workaround(struct clk_mgr_internal *clk_mgr) +{ + smu_print("SMU Set PME workaround\n"); + + dcn30_smu_send_msg_with_param(clk_mgr, + DALSMC_MSG_BacoAudioD3PME, 0, NULL); +} diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr_smu_msg.h b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr_smu_msg.h new file mode 100644 index 000000000000..236f20ec90d4 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr_smu_msg.h @@ -0,0 +1,108 @@ +/* + * Copyright 2020 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#ifndef DAL_DC_DCN30_CLK_MGR_SMU_MSG_H_ +#define DAL_DC_DCN30_CLK_MGR_SMU_MSG_H_ + +#include "core_types.h" + +#define SMU11_DRIVER_IF_VERSION 0x1F + +typedef enum { + PPCLK_GFXCLK = 0, + PPCLK_SOCCLK, + PPCLK_UCLK, + PPCLK_FCLK, + PPCLK_DCLK_0, + PPCLK_VCLK_0, + PPCLK_DCLK_1, + PPCLK_VCLK_1, + PPCLK_DCEFCLK, + PPCLK_DISPCLK, + PPCLK_PIXCLK, + PPCLK_PHYCLK, + PPCLK_DTBCLK, + PPCLK_COUNT, +} PPCLK_e; + +typedef struct { + uint16_t MinClock; // This is either DCEFCLK or SOCCLK (in MHz) + uint16_t MaxClock; // This is either DCEFCLK or SOCCLK (in MHz) + uint16_t MinUclk; + uint16_t MaxUclk; + + uint8_t WmSetting; + uint8_t Flags; + uint8_t Padding[2]; + +} WatermarkRowGeneric_t; + +#define NUM_WM_RANGES 4 + +typedef enum { + WM_SOCCLK = 0, + WM_DCEFCLK, + WM_COUNT, +} WM_CLOCK_e; + +typedef enum { + WATERMARKS_CLOCK_RANGE = 0, + WATERMARKS_DUMMY_PSTATE, + WATERMARKS_COUNT, +} WATERMARKS_FLAGS_e; + +typedef struct { + // Watermarks + WatermarkRowGeneric_t WatermarkRow[WM_COUNT][NUM_WM_RANGES]; +} Watermarks_t; + +typedef struct { + Watermarks_t Watermarks; + + uint32_t MmHubPadding[8]; // SMU internal use +} WatermarksExternal_t; + +#define TABLE_WATERMARKS 1 + +struct clk_mgr_internal; + +bool dcn30_smu_test_message(struct clk_mgr_internal *clk_mgr, uint32_t input); +bool dcn30_smu_get_smu_version(struct clk_mgr_internal *clk_mgr, unsigned int *version); +bool dcn30_smu_check_driver_if_version(struct clk_mgr_internal *clk_mgr); +bool dcn30_smu_check_msg_header_version(struct clk_mgr_internal *clk_mgr); +void dcn30_smu_set_dram_addr_high(struct clk_mgr_internal *clk_mgr, uint32_t addr_high); +void dcn30_smu_set_dram_addr_low(struct clk_mgr_internal *clk_mgr, uint32_t addr_low); +void dcn30_smu_transfer_wm_table_smu_2_dram(struct clk_mgr_internal *clk_mgr); +void dcn30_smu_transfer_wm_table_dram_2_smu(struct clk_mgr_internal *clk_mgr); +unsigned int dcn30_smu_set_hard_min_by_freq(struct clk_mgr_internal *clk_mgr, PPCLK_e clk, uint16_t freq_mhz); +unsigned int dcn30_smu_set_hard_max_by_freq(struct clk_mgr_internal *clk_mgr, PPCLK_e clk, uint16_t freq_mhz); +unsigned int dcn30_smu_get_dpm_freq_by_index(struct clk_mgr_internal *clk_mgr, PPCLK_e clk, uint8_t dpm_level); +unsigned int dcn30_smu_get_dc_mode_max_dpm_freq(struct clk_mgr_internal *clk_mgr, PPCLK_e clk); +void dcn30_smu_set_min_deep_sleep_dcef_clk(struct clk_mgr_internal *clk_mgr, uint32_t freq_mhz); +void dcn30_smu_set_num_of_displays(struct clk_mgr_internal *clk_mgr, uint32_t num_displays); +void dcn30_smu_set_external_client_df_cstate_allow(struct clk_mgr_internal *clk_mgr, bool enable); +void dcn30_smu_set_pme_workaround(struct clk_mgr_internal *clk_mgr); + +#endif /* DAL_DC_DCN30_CLK_MGR_SMU_MSG_H_ */ |