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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3679-drm-amd-pp-Implement-update_dpm_settings-on-Tonga.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3679-drm-amd-pp-Implement-update_dpm_settings-on-Tonga.patch131
1 files changed, 131 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3679-drm-amd-pp-Implement-update_dpm_settings-on-Tonga.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3679-drm-amd-pp-Implement-update_dpm_settings-on-Tonga.patch
new file mode 100644
index 00000000..95211591
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3679-drm-amd-pp-Implement-update_dpm_settings-on-Tonga.patch
@@ -0,0 +1,131 @@
+From c101f8583722aa3b68a016e227db0a5555cf864b Mon Sep 17 00:00:00 2001
+From: Rex Zhu <Rex.Zhu@amd.com>
+Date: Fri, 23 Feb 2018 16:41:20 +0800
+Subject: [PATCH 3679/4131] drm/amd/pp: Implement update_dpm_settings on Tonga
+
+use SW method to update DPM settings by updating SRAM
+directly on Tonga.
+
+Change-Id: I75e8437240c92ab94506fe0f0bc3eb535a7fd707
+Reviewed-by: Alex Deucher <alexdeucher@amd.com>
+Signed-off-by: Rex Zhu <Rex.Zhu@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 a268b98..86fb770 100644
+--- a/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c
++++ b/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c
+@@ -3277,6 +3277,102 @@ 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,
+@@ -3300,4 +3396,5 @@ const struct pp_smumgr_func tonga_smu_funcs = {
+ .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,
+ };
+--
+2.7.4
+