diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c | 562 |
1 files changed, 562 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c new file mode 100644 index 000000000000..fbe878ae1e8c --- /dev/null +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c @@ -0,0 +1,562 @@ +/* + * 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 <linux/string.h> +#include <linux/acpi.h> + +#include <drm/drmP.h> +#include <drm/drm_crtc_helper.h> +#include <drm/amdgpu_drm.h> +#include "dm_services.h" +#include "amdgpu.h" +#include "amdgpu_dm.h" +#include "amdgpu_dm_irq.h" +#include "amdgpu_pm.h" +#include "dm_pp_smu.h" + + +bool dm_pp_apply_display_requirements( + const struct dc_context *ctx, + const struct dm_pp_display_configuration *pp_display_cfg) +{ + struct amdgpu_device *adev = ctx->driver_context; + int i; + + if (adev->pm.dpm_enabled) { + + memset(&adev->pm.pm_display_cfg, 0, + sizeof(adev->pm.pm_display_cfg)); + + adev->pm.pm_display_cfg.cpu_cc6_disable = + pp_display_cfg->cpu_cc6_disable; + + adev->pm.pm_display_cfg.cpu_pstate_disable = + pp_display_cfg->cpu_pstate_disable; + + adev->pm.pm_display_cfg.cpu_pstate_separation_time = + pp_display_cfg->cpu_pstate_separation_time; + + adev->pm.pm_display_cfg.nb_pstate_switch_disable = + pp_display_cfg->nb_pstate_switch_disable; + + adev->pm.pm_display_cfg.num_display = + pp_display_cfg->display_count; + adev->pm.pm_display_cfg.num_path_including_non_display = + pp_display_cfg->display_count; + + adev->pm.pm_display_cfg.min_core_set_clock = + pp_display_cfg->min_engine_clock_khz/10; + adev->pm.pm_display_cfg.min_core_set_clock_in_sr = + pp_display_cfg->min_engine_clock_deep_sleep_khz/10; + adev->pm.pm_display_cfg.min_mem_set_clock = + pp_display_cfg->min_memory_clock_khz/10; + + adev->pm.pm_display_cfg.min_dcef_deep_sleep_set_clk = + pp_display_cfg->min_engine_clock_deep_sleep_khz/10; + adev->pm.pm_display_cfg.min_dcef_set_clk = + pp_display_cfg->min_dcfclock_khz/10; + + adev->pm.pm_display_cfg.multi_monitor_in_sync = + pp_display_cfg->all_displays_in_sync; + adev->pm.pm_display_cfg.min_vblank_time = + pp_display_cfg->avail_mclk_switch_time_us; + + adev->pm.pm_display_cfg.display_clk = + pp_display_cfg->disp_clk_khz/10; + + adev->pm.pm_display_cfg.dce_tolerable_mclk_in_active_latency = + pp_display_cfg->avail_mclk_switch_time_in_disp_active_us; + + adev->pm.pm_display_cfg.crtc_index = pp_display_cfg->crtc_index; + adev->pm.pm_display_cfg.line_time_in_us = + pp_display_cfg->line_time_in_us; + + adev->pm.pm_display_cfg.vrefresh = pp_display_cfg->disp_configs[0].v_refresh; + adev->pm.pm_display_cfg.crossfire_display_index = -1; + adev->pm.pm_display_cfg.min_bus_bandwidth = 0; + + for (i = 0; i < pp_display_cfg->display_count; i++) { + const struct dm_pp_single_disp_config *dc_cfg = + &pp_display_cfg->disp_configs[i]; + adev->pm.pm_display_cfg.displays[i].controller_id = dc_cfg->pipe_idx + 1; + } + + /* TODO: complete implementation of + * pp_display_configuration_change(). + * Follow example of: + * PHM_StoreDALConfigurationData - powerplay\hwmgr\hardwaremanager.c + * PP_IRI_DisplayConfigurationChange - powerplay\eventmgr\iri.c */ + if (adev->powerplay.pp_funcs->display_configuration_change) + adev->powerplay.pp_funcs->display_configuration_change( + adev->powerplay.pp_handle, + &adev->pm.pm_display_cfg); + + /* TODO: replace by a separate call to 'apply display cfg'? */ + amdgpu_pm_compute_clocks(adev); + } + + return true; +} + +static void get_default_clock_levels( + enum dm_pp_clock_type clk_type, + struct dm_pp_clock_levels *clks) +{ + uint32_t disp_clks_in_khz[6] = { + 300000, 400000, 496560, 626090, 685720, 757900 }; + uint32_t sclks_in_khz[6] = { + 300000, 360000, 423530, 514290, 626090, 720000 }; + uint32_t mclks_in_khz[2] = { 333000, 800000 }; + + switch (clk_type) { + case DM_PP_CLOCK_TYPE_DISPLAY_CLK: + clks->num_levels = 6; + memmove(clks->clocks_in_khz, disp_clks_in_khz, + sizeof(disp_clks_in_khz)); + break; + case DM_PP_CLOCK_TYPE_ENGINE_CLK: + clks->num_levels = 6; + memmove(clks->clocks_in_khz, sclks_in_khz, + sizeof(sclks_in_khz)); + break; + case DM_PP_CLOCK_TYPE_MEMORY_CLK: + clks->num_levels = 2; + memmove(clks->clocks_in_khz, mclks_in_khz, + sizeof(mclks_in_khz)); + break; + default: + clks->num_levels = 0; + break; + } +} + +static enum amd_pp_clock_type dc_to_pp_clock_type( + enum dm_pp_clock_type dm_pp_clk_type) +{ + enum amd_pp_clock_type amd_pp_clk_type = 0; + + switch (dm_pp_clk_type) { + case DM_PP_CLOCK_TYPE_DISPLAY_CLK: + amd_pp_clk_type = amd_pp_disp_clock; + break; + case DM_PP_CLOCK_TYPE_ENGINE_CLK: + amd_pp_clk_type = amd_pp_sys_clock; + break; + case DM_PP_CLOCK_TYPE_MEMORY_CLK: + amd_pp_clk_type = amd_pp_mem_clock; + break; + case DM_PP_CLOCK_TYPE_DCEFCLK: + amd_pp_clk_type = amd_pp_dcef_clock; + break; + case DM_PP_CLOCK_TYPE_DCFCLK: + amd_pp_clk_type = amd_pp_dcf_clock; + break; + case DM_PP_CLOCK_TYPE_PIXELCLK: + amd_pp_clk_type = amd_pp_pixel_clock; + break; + case DM_PP_CLOCK_TYPE_FCLK: + amd_pp_clk_type = amd_pp_f_clock; + break; + case DM_PP_CLOCK_TYPE_DISPLAYPHYCLK: + amd_pp_clk_type = amd_pp_phy_clock; + break; + case DM_PP_CLOCK_TYPE_DPPCLK: + amd_pp_clk_type = amd_pp_dpp_clock; + break; + default: + DRM_ERROR("DM_PPLIB: invalid clock type: %d!\n", + dm_pp_clk_type); + break; + } + + return amd_pp_clk_type; +} + +static enum dm_pp_clocks_state pp_to_dc_powerlevel_state( + enum PP_DAL_POWERLEVEL max_clocks_state) +{ + switch (max_clocks_state) { + case PP_DAL_POWERLEVEL_0: + return DM_PP_CLOCKS_DPM_STATE_LEVEL_0; + case PP_DAL_POWERLEVEL_1: + return DM_PP_CLOCKS_DPM_STATE_LEVEL_1; + case PP_DAL_POWERLEVEL_2: + return DM_PP_CLOCKS_DPM_STATE_LEVEL_2; + case PP_DAL_POWERLEVEL_3: + return DM_PP_CLOCKS_DPM_STATE_LEVEL_3; + case PP_DAL_POWERLEVEL_4: + return DM_PP_CLOCKS_DPM_STATE_LEVEL_4; + case PP_DAL_POWERLEVEL_5: + return DM_PP_CLOCKS_DPM_STATE_LEVEL_5; + case PP_DAL_POWERLEVEL_6: + return DM_PP_CLOCKS_DPM_STATE_LEVEL_6; + case PP_DAL_POWERLEVEL_7: + return DM_PP_CLOCKS_DPM_STATE_LEVEL_7; + default: + DRM_ERROR("DM_PPLIB: invalid powerlevel state: %d!\n", + max_clocks_state); + return DM_PP_CLOCKS_STATE_INVALID; + } +} + +static void pp_to_dc_clock_levels( + const struct amd_pp_clocks *pp_clks, + struct dm_pp_clock_levels *dc_clks, + enum dm_pp_clock_type dc_clk_type) +{ + uint32_t i; + + if (pp_clks->count > DM_PP_MAX_CLOCK_LEVELS) { + DRM_INFO("DM_PPLIB: Warning: %s clock: number of levels %d exceeds maximum of %d!\n", + DC_DECODE_PP_CLOCK_TYPE(dc_clk_type), + pp_clks->count, + DM_PP_MAX_CLOCK_LEVELS); + + dc_clks->num_levels = DM_PP_MAX_CLOCK_LEVELS; + } else + dc_clks->num_levels = pp_clks->count; + + DRM_INFO("DM_PPLIB: values for %s clock\n", + DC_DECODE_PP_CLOCK_TYPE(dc_clk_type)); + + for (i = 0; i < dc_clks->num_levels; i++) { + DRM_INFO("DM_PPLIB:\t %d\n", pp_clks->clock[i]); + dc_clks->clocks_in_khz[i] = pp_clks->clock[i]; + } +} + +static void pp_to_dc_clock_levels_with_latency( + const struct pp_clock_levels_with_latency *pp_clks, + struct dm_pp_clock_levels_with_latency *clk_level_info, + enum dm_pp_clock_type dc_clk_type) +{ + uint32_t i; + + if (pp_clks->num_levels > DM_PP_MAX_CLOCK_LEVELS) { + DRM_INFO("DM_PPLIB: Warning: %s clock: number of levels %d exceeds maximum of %d!\n", + DC_DECODE_PP_CLOCK_TYPE(dc_clk_type), + pp_clks->num_levels, + DM_PP_MAX_CLOCK_LEVELS); + + clk_level_info->num_levels = DM_PP_MAX_CLOCK_LEVELS; + } else + clk_level_info->num_levels = pp_clks->num_levels; + + DRM_DEBUG("DM_PPLIB: values for %s clock\n", + DC_DECODE_PP_CLOCK_TYPE(dc_clk_type)); + + for (i = 0; i < clk_level_info->num_levels; i++) { + DRM_DEBUG("DM_PPLIB:\t %d in kHz\n", pp_clks->data[i].clocks_in_khz); + clk_level_info->data[i].clocks_in_khz = pp_clks->data[i].clocks_in_khz; + clk_level_info->data[i].latency_in_us = pp_clks->data[i].latency_in_us; + } +} + +static void pp_to_dc_clock_levels_with_voltage( + const struct pp_clock_levels_with_voltage *pp_clks, + struct dm_pp_clock_levels_with_voltage *clk_level_info, + enum dm_pp_clock_type dc_clk_type) +{ + uint32_t i; + + if (pp_clks->num_levels > DM_PP_MAX_CLOCK_LEVELS) { + DRM_INFO("DM_PPLIB: Warning: %s clock: number of levels %d exceeds maximum of %d!\n", + DC_DECODE_PP_CLOCK_TYPE(dc_clk_type), + pp_clks->num_levels, + DM_PP_MAX_CLOCK_LEVELS); + + clk_level_info->num_levels = DM_PP_MAX_CLOCK_LEVELS; + } else + clk_level_info->num_levels = pp_clks->num_levels; + + DRM_INFO("DM_PPLIB: values for %s clock\n", + DC_DECODE_PP_CLOCK_TYPE(dc_clk_type)); + + for (i = 0; i < clk_level_info->num_levels; i++) { + DRM_INFO("DM_PPLIB:\t %d in kHz\n", pp_clks->data[i].clocks_in_khz); + clk_level_info->data[i].clocks_in_khz = pp_clks->data[i].clocks_in_khz; + clk_level_info->data[i].voltage_in_mv = pp_clks->data[i].voltage_in_mv; + } +} + +bool dm_pp_get_clock_levels_by_type( + const struct dc_context *ctx, + enum dm_pp_clock_type clk_type, + struct dm_pp_clock_levels *dc_clks) +{ + struct amdgpu_device *adev = ctx->driver_context; + void *pp_handle = adev->powerplay.pp_handle; + struct amd_pp_clocks pp_clks = { 0 }; + struct amd_pp_simple_clock_info validation_clks = { 0 }; + uint32_t i; + + if (adev->powerplay.pp_funcs->get_clock_by_type) { + if (adev->powerplay.pp_funcs->get_clock_by_type(pp_handle, + dc_to_pp_clock_type(clk_type), &pp_clks)) { + /* Error in pplib. Provide default values. */ + get_default_clock_levels(clk_type, dc_clks); + return true; + } + } + + pp_to_dc_clock_levels(&pp_clks, dc_clks, clk_type); + + if (adev->powerplay.pp_funcs->get_display_mode_validation_clocks) { + if (adev->powerplay.pp_funcs->get_display_mode_validation_clocks( + pp_handle, &validation_clks)) { + /* Error in pplib. Provide default values. */ + DRM_INFO("DM_PPLIB: Warning: using default validation clocks!\n"); + validation_clks.engine_max_clock = 72000; + validation_clks.memory_max_clock = 80000; + validation_clks.level = 0; + } + } + + DRM_INFO("DM_PPLIB: Validation clocks:\n"); + DRM_INFO("DM_PPLIB: engine_max_clock: %d\n", + validation_clks.engine_max_clock); + DRM_INFO("DM_PPLIB: memory_max_clock: %d\n", + validation_clks.memory_max_clock); + DRM_INFO("DM_PPLIB: level : %d\n", + validation_clks.level); + + /* Translate 10 kHz to kHz. */ + validation_clks.engine_max_clock *= 10; + validation_clks.memory_max_clock *= 10; + + /* Determine the highest non-boosted level from the Validation Clocks */ + if (clk_type == DM_PP_CLOCK_TYPE_ENGINE_CLK) { + for (i = 0; i < dc_clks->num_levels; i++) { + if (dc_clks->clocks_in_khz[i] > validation_clks.engine_max_clock) { + /* This clock is higher the validation clock. + * Than means the previous one is the highest + * non-boosted one. */ + DRM_INFO("DM_PPLIB: reducing engine clock level from %d to %d\n", + dc_clks->num_levels, i); + dc_clks->num_levels = i > 0 ? i : 1; + break; + } + } + } else if (clk_type == DM_PP_CLOCK_TYPE_MEMORY_CLK) { + for (i = 0; i < dc_clks->num_levels; i++) { + if (dc_clks->clocks_in_khz[i] > validation_clks.memory_max_clock) { + DRM_INFO("DM_PPLIB: reducing memory clock level from %d to %d\n", + dc_clks->num_levels, i); + dc_clks->num_levels = i > 0 ? i : 1; + break; + } + } + } + + return true; +} + +bool dm_pp_get_clock_levels_by_type_with_latency( + const struct dc_context *ctx, + enum dm_pp_clock_type clk_type, + struct dm_pp_clock_levels_with_latency *clk_level_info) +{ + struct amdgpu_device *adev = ctx->driver_context; + void *pp_handle = adev->powerplay.pp_handle; + struct pp_clock_levels_with_latency pp_clks = { 0 }; + const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; + + if (!pp_funcs || !pp_funcs->get_clock_by_type_with_latency) + return false; + + if (pp_funcs->get_clock_by_type_with_latency(pp_handle, + dc_to_pp_clock_type(clk_type), + &pp_clks)) + return false; + + pp_to_dc_clock_levels_with_latency(&pp_clks, clk_level_info, clk_type); + + return true; +} + +bool dm_pp_get_clock_levels_by_type_with_voltage( + const struct dc_context *ctx, + enum dm_pp_clock_type clk_type, + struct dm_pp_clock_levels_with_voltage *clk_level_info) +{ + struct amdgpu_device *adev = ctx->driver_context; + void *pp_handle = adev->powerplay.pp_handle; + struct pp_clock_levels_with_voltage pp_clk_info = {0}; + const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; + + if (pp_funcs->get_clock_by_type_with_voltage(pp_handle, + dc_to_pp_clock_type(clk_type), + &pp_clk_info)) + return false; + + pp_to_dc_clock_levels_with_voltage(&pp_clk_info, clk_level_info, clk_type); + + return true; +} + +bool dm_pp_notify_wm_clock_changes( + const struct dc_context *ctx, + struct dm_pp_wm_sets_with_clock_ranges *wm_with_clock_ranges) +{ + /* TODO: to be implemented */ + return false; +} + +bool dm_pp_apply_power_level_change_request( + const struct dc_context *ctx, + struct dm_pp_power_level_change_request *level_change_req) +{ + /* TODO: to be implemented */ + return false; +} + +bool dm_pp_apply_clock_for_voltage_request( + const struct dc_context *ctx, + struct dm_pp_clock_for_voltage_req *clock_for_voltage_req) +{ + struct amdgpu_device *adev = ctx->driver_context; + struct pp_display_clock_request pp_clock_request = {0}; + int ret = 0; + + pp_clock_request.clock_type = dc_to_pp_clock_type(clock_for_voltage_req->clk_type); + pp_clock_request.clock_freq_in_khz = clock_for_voltage_req->clocks_in_khz; + + if (!pp_clock_request.clock_type) + return false; + + if (adev->powerplay.pp_funcs->display_clock_voltage_request) + ret = adev->powerplay.pp_funcs->display_clock_voltage_request( + adev->powerplay.pp_handle, + &pp_clock_request); + if (ret) + return false; + return true; +} + +bool dm_pp_get_static_clocks( + const struct dc_context *ctx, + struct dm_pp_static_clock_info *static_clk_info) +{ + struct amdgpu_device *adev = ctx->driver_context; + struct amd_pp_clock_info pp_clk_info = {0}; + int ret = 0; + + if (adev->powerplay.pp_funcs->get_current_clocks) + ret = adev->powerplay.pp_funcs->get_current_clocks( + adev->powerplay.pp_handle, + &pp_clk_info); + if (ret) + return false; + + static_clk_info->max_clocks_state = pp_to_dc_powerlevel_state(pp_clk_info.max_clocks_state); + static_clk_info->max_mclk_khz = pp_clk_info.max_memory_clock * 10; + static_clk_info->max_sclk_khz = pp_clk_info.max_engine_clock * 10; + + return true; +} + +void pp_rv_set_display_requirement(struct pp_smu *pp, + struct pp_smu_display_requirement_rv *req) +{ + struct dc_context *ctx = pp->ctx; + struct amdgpu_device *adev = ctx->driver_context; + const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; + + if (!pp_funcs || !pp_funcs->display_configuration_changed) + return; + + amdgpu_dpm_display_configuration_changed(adev); +} + +void pp_rv_set_wm_ranges(struct pp_smu *pp, + struct pp_smu_wm_range_sets *ranges) +{ + struct dc_context *ctx = pp->ctx; + struct amdgpu_device *adev = ctx->driver_context; + void *pp_handle = adev->powerplay.pp_handle; + const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; + struct dm_pp_wm_sets_with_clock_ranges_soc15 wm_with_clock_ranges; + struct dm_pp_clock_range_for_dmif_wm_set_soc15 *wm_dce_clocks = wm_with_clock_ranges.wm_dmif_clocks_ranges; + struct dm_pp_clock_range_for_mcif_wm_set_soc15 *wm_soc_clocks = wm_with_clock_ranges.wm_mcif_clocks_ranges; + int32_t i; + + wm_with_clock_ranges.num_wm_dmif_sets = ranges->num_reader_wm_sets; + wm_with_clock_ranges.num_wm_mcif_sets = ranges->num_writer_wm_sets; + + for (i = 0; i < wm_with_clock_ranges.num_wm_dmif_sets; i++) { + if (ranges->reader_wm_sets[i].wm_inst > 3) + wm_dce_clocks[i].wm_set_id = WM_SET_A; + else + wm_dce_clocks[i].wm_set_id = + ranges->reader_wm_sets[i].wm_inst; + wm_dce_clocks[i].wm_max_dcfclk_clk_in_khz = + ranges->reader_wm_sets[i].max_drain_clk_khz; + wm_dce_clocks[i].wm_min_dcfclk_clk_in_khz = + ranges->reader_wm_sets[i].min_drain_clk_khz; + wm_dce_clocks[i].wm_max_mem_clk_in_khz = + ranges->reader_wm_sets[i].max_fill_clk_khz; + wm_dce_clocks[i].wm_min_mem_clk_in_khz = + ranges->reader_wm_sets[i].min_fill_clk_khz; + } + + for (i = 0; i < wm_with_clock_ranges.num_wm_mcif_sets; i++) { + if (ranges->writer_wm_sets[i].wm_inst > 3) + wm_soc_clocks[i].wm_set_id = WM_SET_A; + else + wm_soc_clocks[i].wm_set_id = + ranges->writer_wm_sets[i].wm_inst; + wm_soc_clocks[i].wm_max_socclk_clk_in_khz = + ranges->writer_wm_sets[i].max_fill_clk_khz; + wm_soc_clocks[i].wm_min_socclk_clk_in_khz = + ranges->writer_wm_sets[i].min_fill_clk_khz; + wm_soc_clocks[i].wm_max_mem_clk_in_khz = + ranges->writer_wm_sets[i].max_drain_clk_khz; + wm_soc_clocks[i].wm_min_mem_clk_in_khz = + ranges->writer_wm_sets[i].min_drain_clk_khz; + } + + pp_funcs->set_watermarks_for_clocks_ranges(pp_handle, &wm_with_clock_ranges); +} + +void pp_rv_set_pme_wa_enable(struct pp_smu *pp) +{ + struct dc_context *ctx = pp->ctx; + struct amdgpu_device *adev = ctx->driver_context; + void *pp_handle = adev->powerplay.pp_handle; + const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; + + if (!pp_funcs || !pp_funcs->notify_smu_enable_pwe) + return; + + pp_funcs->notify_smu_enable_pwe(pp_handle); +} + +void dm_pp_get_funcs_rv( + struct dc_context *ctx, + struct pp_smu_funcs_rv *funcs) +{ + funcs->pp_smu.ctx = ctx; + funcs->set_display_requirement = pp_rv_set_display_requirement; + funcs->set_wm_ranges = pp_rv_set_wm_ranges; + funcs->set_pme_wa_enable = pp_rv_set_pme_wa_enable; +} |