diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/rv6xx_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/rv6xx_dpm.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/rv6xx_dpm.c b/drivers/gpu/drm/radeon/rv6xx_dpm.c index dde4023..363018c 100644 --- a/drivers/gpu/drm/radeon/rv6xx_dpm.c +++ b/drivers/gpu/drm/radeon/rv6xx_dpm.c @@ -1670,6 +1670,8 @@ int rv6xx_dpm_set_power_state(struct radeon_device *rdev) struct radeon_ps *old_ps = rdev->pm.dpm.current_ps; int ret; + pi->restricted_levels = 0; + rv6xx_set_uvd_clock_before_set_eng_clock(rdev, new_ps, old_ps); rv6xx_clear_vc(rdev); @@ -1756,6 +1758,8 @@ int rv6xx_dpm_set_power_state(struct radeon_device *rdev) rv6xx_set_uvd_clock_after_set_eng_clock(rdev, new_ps, old_ps); + rdev->pm.dpm.forced_level = RADEON_DPM_FORCED_LEVEL_AUTO; + return 0; } @@ -2085,3 +2089,34 @@ u32 rv6xx_dpm_get_mclk(struct radeon_device *rdev, bool low) else return requested_state->high.mclk; } + +int rv6xx_dpm_force_performance_level(struct radeon_device *rdev, + enum radeon_dpm_forced_level level) +{ + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev); + + if (level == RADEON_DPM_FORCED_LEVEL_HIGH) { + pi->restricted_levels = 3; + } else if (level == RADEON_DPM_FORCED_LEVEL_LOW) { + pi->restricted_levels = 2; + } else { + pi->restricted_levels = 0; + } + + rv6xx_clear_vc(rdev); + r600_power_level_enable(rdev, R600_POWER_LEVEL_LOW, true); + r600_set_at(rdev, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF); + r600_wait_for_power_level(rdev, R600_POWER_LEVEL_LOW); + r600_power_level_enable(rdev, R600_POWER_LEVEL_HIGH, false); + r600_power_level_enable(rdev, R600_POWER_LEVEL_MEDIUM, false); + rv6xx_enable_medium(rdev); + rv6xx_enable_high(rdev); + if (pi->restricted_levels == 3) + r600_power_level_enable(rdev, R600_POWER_LEVEL_LOW, false); + rv6xx_program_vc(rdev); + rv6xx_program_at(rdev); + + rdev->pm.dpm.forced_level = level; + + return 0; +} |
