use SW method to update DPM settings by updating SRAM
directly on Tonga.
Change-Id: I21b1f5caee85587e30ff4d37b040d3ba36b843ee
Signed-off-by: Rex Zhu <rex....@amd.com>
---
.../gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c | 97 ++++++++++++++++++++++
1 file changed, 97 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c
b/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c
index 97404a5..1fe5b77 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c
@@ -3284,6 +3284,102 @@ static int
tonga_populate_requested_graphic_levels(struct pp_hwmgr *hwmgr,
array_size, SMC_RAM_END);
}
+static int tonga_update_dpm_settings(struct pp_hwmgr *hwmgr,
+ void *profile_setting)
+{
+ struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
+ struct tonga_smumgr *smu_data = (struct tonga_smumgr *)
+ (hwmgr->smu_backend);
+ struct profile_mode_setting *setting;
+ struct SMU72_Discrete_GraphicsLevel *levels =
+ smu_data->smc_state_table.GraphicsLevel;
+ uint32_t array = smu_data->smu7_data.dpm_table_start +
+ offsetof(SMU72_Discrete_DpmTable, GraphicsLevel);
+
+ uint32_t mclk_array = smu_data->smu7_data.dpm_table_start +
+ offsetof(SMU72_Discrete_DpmTable, MemoryLevel);
+ struct SMU72_Discrete_MemoryLevel *mclk_levels =
+ smu_data->smc_state_table.MemoryLevel;
+ uint32_t i;
+ uint32_t offset, up_hyst_offset, down_hyst_offset, clk_activity_offset,
tmp;
+
+ if (profile_setting == NULL)
+ return -EINVAL;
+
+ setting = (struct profile_mode_setting *)profile_setting;
+
+ if (setting->bupdate_sclk) {
+ if (!data->sclk_dpm_key_disabled)
+ smum_send_msg_to_smc(hwmgr,
PPSMC_MSG_SCLKDPM_FreezeLevel);
+ for (i = 0; i <
smu_data->smc_state_table.GraphicsDpmLevelCount; i++) {
+ if (levels[i].ActivityLevel !=
+ cpu_to_be16(setting->sclk_activity)) {
+ levels[i].ActivityLevel =
cpu_to_be16(setting->sclk_activity);
+
+ clk_activity_offset = array +
(sizeof(SMU72_Discrete_GraphicsLevel) * i)
+ +
offsetof(SMU72_Discrete_GraphicsLevel, ActivityLevel);
+ offset = clk_activity_offset & ~0x3;
+ tmp =
PP_HOST_TO_SMC_UL(cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC,
offset));
+ tmp = phm_set_field_to_u32(clk_activity_offset,
tmp, levels[i].ActivityLevel, sizeof(uint16_t));
+ cgs_write_ind_register(hwmgr->device,
CGS_IND_REG__SMC, offset, PP_HOST_TO_SMC_UL(tmp));
+
+ }
+ if (levels[i].UpHyst != setting->sclk_up_hyst ||
+ levels[i].DownHyst != setting->sclk_down_hyst) {
+ levels[i].UpHyst = setting->sclk_up_hyst;
+ levels[i].DownHyst = setting->sclk_down_hyst;
+ up_hyst_offset = array +
(sizeof(SMU72_Discrete_GraphicsLevel) * i)
+ +
offsetof(SMU72_Discrete_GraphicsLevel, UpHyst);
+ down_hyst_offset = array +
(sizeof(SMU72_Discrete_GraphicsLevel) * i)
+ +
offsetof(SMU72_Discrete_GraphicsLevel, DownHyst);
+ offset = up_hyst_offset & ~0x3;
+ tmp =
PP_HOST_TO_SMC_UL(cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC,
offset));
+ tmp = phm_set_field_to_u32(up_hyst_offset, tmp,
levels[i].UpHyst, sizeof(uint8_t));
+ tmp = phm_set_field_to_u32(down_hyst_offset,
tmp, levels[i].DownHyst, sizeof(uint8_t));
+ cgs_write_ind_register(hwmgr->device,
CGS_IND_REG__SMC, offset, PP_HOST_TO_SMC_UL(tmp));
+ }
+ }
+ if (!data->sclk_dpm_key_disabled)
+ smum_send_msg_to_smc(hwmgr,
PPSMC_MSG_SCLKDPM_UnfreezeLevel);
+ }
+
+ if (setting->bupdate_mclk) {
+ if (!data->mclk_dpm_key_disabled)
+ smum_send_msg_to_smc(hwmgr,
PPSMC_MSG_MCLKDPM_FreezeLevel);
+ for (i = 0; i < smu_data->smc_state_table.MemoryDpmLevelCount;
i++) {
+ if (mclk_levels[i].ActivityLevel !=
+ cpu_to_be16(setting->mclk_activity)) {
+ mclk_levels[i].ActivityLevel =
cpu_to_be16(setting->mclk_activity);
+
+ clk_activity_offset = mclk_array +
(sizeof(SMU72_Discrete_MemoryLevel) * i)
+ +
offsetof(SMU72_Discrete_MemoryLevel, ActivityLevel);
+ offset = clk_activity_offset & ~0x3;
+ tmp =
PP_HOST_TO_SMC_UL(cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC,
offset));
+ tmp = phm_set_field_to_u32(clk_activity_offset,
tmp, mclk_levels[i].ActivityLevel, sizeof(uint16_t));
+ cgs_write_ind_register(hwmgr->device,
CGS_IND_REG__SMC, offset, PP_HOST_TO_SMC_UL(tmp));
+
+ }
+ if (mclk_levels[i].UpHyst != setting->mclk_up_hyst ||
+ mclk_levels[i].DownHyst !=
setting->mclk_down_hyst) {
+ mclk_levels[i].UpHyst = setting->mclk_up_hyst;
+ mclk_levels[i].DownHyst =
setting->mclk_down_hyst;
+ up_hyst_offset = mclk_array +
(sizeof(SMU72_Discrete_MemoryLevel) * i)
+ +
offsetof(SMU72_Discrete_MemoryLevel, UpHyst);
+ down_hyst_offset = mclk_array +
(sizeof(SMU72_Discrete_MemoryLevel) * i)
+ +
offsetof(SMU72_Discrete_MemoryLevel, DownHyst);
+ offset = up_hyst_offset & ~0x3;
+ tmp =
PP_HOST_TO_SMC_UL(cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC,
offset));
+ tmp = phm_set_field_to_u32(up_hyst_offset, tmp,
mclk_levels[i].UpHyst, sizeof(uint8_t));
+ tmp = phm_set_field_to_u32(down_hyst_offset,
tmp, mclk_levels[i].DownHyst, sizeof(uint8_t));
+ cgs_write_ind_register(hwmgr->device,
CGS_IND_REG__SMC, offset, PP_HOST_TO_SMC_UL(tmp));
+ }
+ }
+ if (!data->mclk_dpm_key_disabled)
+ smum_send_msg_to_smc(hwmgr,
PPSMC_MSG_MCLKDPM_UnfreezeLevel);
+ }
+ return 0;
+}
+
const struct pp_smumgr_func tonga_smu_funcs = {
.smu_init = &tonga_smu_init,
.smu_fini = &smu7_smu_fini,
@@ -3307,4 +3403,5 @@ static int tonga_populate_requested_graphic_levels(struct
pp_hwmgr *hwmgr,
.initialize_mc_reg_table = tonga_initialize_mc_reg_table,
.is_dpm_running = tonga_is_dpm_running,
.populate_requested_graphic_levels =
tonga_populate_requested_graphic_levels,
+ .update_dpm_settings = tonga_update_dpm_settings,
};
--
1.9.1
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