From: Evan Quan evan.quan@amd.com
[ Upstream commit 690cdc2635849db8b782dbbcabfb1c7519c84fa1 ]
Fulfill Polaris get_clock_by_type_with_latency().
Signed-off-by: Evan Quan evan.quan@amd.com Acked-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Sasha Levin sashal@kernel.org --- .../drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c | 67 +++++++++++++++++++ 1 file changed, 67 insertions(+)
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c index 35629140fc7a..c5223a9e0d89 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c @@ -4771,6 +4771,72 @@ static int smu7_get_clock_by_type(struct pp_hwmgr *hwmgr, enum amd_pp_clock_type return 0; }
+static int smu7_get_sclks_with_latency(struct pp_hwmgr *hwmgr, + struct pp_clock_levels_with_latency *clocks) +{ + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)hwmgr->pptable; + struct phm_ppt_v1_clock_voltage_dependency_table *dep_sclk_table = + table_info->vdd_dep_on_sclk; + int i; + + clocks->num_levels = 0; + for (i = 0; i < dep_sclk_table->count; i++) { + if (dep_sclk_table->entries[i].clk) { + clocks->data[clocks->num_levels].clocks_in_khz = + dep_sclk_table->entries[i].clk * 10; + clocks->num_levels++; + } + } + + return 0; +} + +static int smu7_get_mclks_with_latency(struct pp_hwmgr *hwmgr, + struct pp_clock_levels_with_latency *clocks) +{ + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)hwmgr->pptable; + struct phm_ppt_v1_clock_voltage_dependency_table *dep_mclk_table = + table_info->vdd_dep_on_mclk; + int i; + + clocks->num_levels = 0; + for (i = 0; i < dep_mclk_table->count; i++) { + if (dep_mclk_table->entries[i].clk) { + clocks->data[clocks->num_levels].clocks_in_khz = + dep_mclk_table->entries[i].clk * 10; + clocks->data[clocks->num_levels].latency_in_us = + smu7_get_mem_latency(hwmgr, dep_mclk_table->entries[i].clk); + clocks->num_levels++; + } + } + + return 0; +} + +static int smu7_get_clock_by_type_with_latency(struct pp_hwmgr *hwmgr, + enum amd_pp_clock_type type, + struct pp_clock_levels_with_latency *clocks) +{ + if (!(hwmgr->chip_id >= CHIP_POLARIS10 && + hwmgr->chip_id <= CHIP_VEGAM)) + return -EINVAL; + + switch (type) { + case amd_pp_sys_clock: + smu7_get_sclks_with_latency(hwmgr, clocks); + break; + case amd_pp_mem_clock: + smu7_get_mclks_with_latency(hwmgr, clocks); + break; + default: + return -EINVAL; + } + + return 0; +} + static int smu7_notify_cac_buffer_info(struct pp_hwmgr *hwmgr, uint32_t virtual_addr_low, uint32_t virtual_addr_hi, @@ -5188,6 +5254,7 @@ static const struct pp_hwmgr_func smu7_hwmgr_funcs = { .get_mclk_od = smu7_get_mclk_od, .set_mclk_od = smu7_set_mclk_od, .get_clock_by_type = smu7_get_clock_by_type, + .get_clock_by_type_with_latency = smu7_get_clock_by_type_with_latency, .read_sensor = smu7_read_sensor, .dynamic_state_management_disable = smu7_disable_dpm_tasks, .avfs_control = smu7_avfs_control,