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drm/radeon: Add implementation of get_current_vddc for Sumo 

Add implementation of get_current_vddc() callback for Sumo.

Signed-off-by: Sandeep Raghuraman <sandy.8925@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Sandeep Raghuraman 2020-10-09 13:16:09 +05:30 committed by Alex Deucher
parent ca22f3beb6
commit c57a8308e2
3 changed files with 22 additions and 0 deletions
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1
drivers/gpu/drm/radeon/radeon_asic.c
View File

@ -1513,6 +1513,7 @@ static struct radeon_asic sumo_asic = {
.force_performance_level = &sumo_dpm_force_performance_level,
.get_current_sclk = &sumo_dpm_get_current_sclk,
.get_current_mclk = &sumo_dpm_get_current_mclk,
.get_current_vddc = &sumo_dpm_get_current_vddc,
},
.pflip = {
.page_flip = &evergreen_page_flip,

1
drivers/gpu/drm/radeon/radeon_asic.h
View File

@ -596,6 +596,7 @@ int sumo_dpm_force_performance_level(struct radeon_device *rdev,
enum radeon_dpm_forced_level level);
u32 sumo_dpm_get_current_sclk(struct radeon_device *rdev);
u32 sumo_dpm_get_current_mclk(struct radeon_device *rdev);
u16 sumo_dpm_get_current_vddc(struct radeon_device *rdev);
/*
* cayman

20
drivers/gpu/drm/radeon/sumo_dpm.c
View File

@ -1865,6 +1865,26 @@ u32 sumo_dpm_get_current_mclk(struct radeon_device *rdev)
return pi->sys_info.bootup_uma_clk;
}
u16 sumo_dpm_get_current_vddc(struct radeon_device *rdev)
{
struct sumo_power_info *pi = sumo_get_pi(rdev);
struct radeon_ps *rps = &pi->current_rps;
struct sumo_ps *ps = sumo_get_ps(rps);
struct sumo_pl *pl;
u32 current_index =
(RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURR_INDEX_MASK) >>
CURR_INDEX_SHIFT;
if (current_index == BOOST_DPM_LEVEL) {
pl = &pi->boost_pl;
} else if (current_index >= ps->num_levels) {
return 0;
} else {
pl = &ps->levels[current_index];
}
return sumo_convert_voltage_index_to_value(rdev, pl->vddc_index);
}
void sumo_dpm_fini(struct radeon_device *rdev)
{
int i;