diff options
author | Rex Zhu <Rex.Zhu@amd.com> | 2016-05-10 15:37:00 +0800 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2016-05-13 14:26:42 -0400 |
commit | 8b41e7a03a306d93276f91c1dae39dc51a1af58d (patch) | |
tree | 3e3ca3b306e7628a686067bec8170da2a523e6a2 /drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c | |
parent | 2dcbffad94f3c2f85cc2c433dad382a741e91dc4 (diff) | |
download | op-kernel-dev-8b41e7a03a306d93276f91c1dae39dc51a1af58d.zip op-kernel-dev-8b41e7a03a306d93276f91c1dae39dc51a1af58d.tar.gz |
drm/amd/powerplay: move asic unrelated function to hwmgr.c.
It's generic and used by multiple asics.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c')
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c index 7d69ed6..1c48917 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c @@ -30,6 +30,9 @@ #include "pppcielanes.h" #include "pp_debug.h" #include "ppatomctrl.h" +#include "ppsmc.h" + +#define VOLTAGE_SCALE 4 extern int cz_hwmgr_init(struct pp_hwmgr *hwmgr); extern int tonga_hwmgr_init(struct pp_hwmgr *hwmgr); @@ -566,3 +569,38 @@ uint32_t phm_get_lowest_enabled_level(struct pp_hwmgr *hwmgr, uint32_t mask) return level; } + +void phm_apply_dal_min_voltage_request(struct pp_hwmgr *hwmgr) +{ + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)hwmgr->pptable; + struct phm_clock_voltage_dependency_table *table = + table_info->vddc_dep_on_dal_pwrl; + struct phm_ppt_v1_clock_voltage_dependency_table *vddc_table; + enum PP_DAL_POWERLEVEL dal_power_level = hwmgr->dal_power_level; + uint32_t req_vddc = 0, req_volt, i; + + if (!table || table->count <= 0 + || dal_power_level < PP_DAL_POWERLEVEL_ULTRALOW + || dal_power_level > PP_DAL_POWERLEVEL_PERFORMANCE) + return; + + for (i = 0; i < table->count; i++) { + if (dal_power_level == table->entries[i].clk) { + req_vddc = table->entries[i].v; + break; + } + } + + vddc_table = table_info->vdd_dep_on_sclk; + for (i = 0; i < vddc_table->count; i++) { + if (req_vddc <= vddc_table->entries[i].vddc) { + req_volt = (((uint32_t)vddc_table->entries[i].vddc) * VOLTAGE_SCALE); + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_VddC_Request, req_volt); + return; + } + } + printk(KERN_ERR "DAL requested level can not" + " found a available voltage in VDDC DPM Table \n"); +} |