diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/r600.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 094c29dd96e3..c2d1946535ab 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -92,6 +92,43 @@ void r600_gpu_init(struct radeon_device *rdev); void r600_fini(struct radeon_device *rdev); void r600_irq_disable(struct radeon_device *rdev); +void r600_set_power_state(struct radeon_device *rdev) +{ + /* if *_clock_mode are the same, *_power_state are as well */ + if (rdev->pm.requested_clock_mode == rdev->pm.current_clock_mode) + return; + + DRM_INFO("Setting: e: %d m: %d p: %d\n", + rdev->pm.requested_clock_mode->sclk, + rdev->pm.requested_clock_mode->mclk, + rdev->pm.requested_power_state->non_clock_info.pcie_lanes); + + /* set pcie lanes */ + /* TODO */ + + /* set voltage */ + /* TODO */ + + /* set engine clock */ + radeon_sync_with_vblank(rdev); + radeon_pm_debug_check_in_vbl(rdev, false); + radeon_set_engine_clock(rdev, rdev->pm.requested_clock_mode->sclk); + radeon_pm_debug_check_in_vbl(rdev, true); + +#if 0 + /* set memory clock */ + if (rdev->asic->set_memory_clock) { + radeon_sync_with_vblank(rdev); + radeon_pm_debug_check_in_vbl(rdev, false); + radeon_set_memory_clock(rdev, rdev->pm.requested_clock_mode->mclk); + radeon_pm_debug_check_in_vbl(rdev, true); + } +#endif + + rdev->pm.current_power_state = rdev->pm.requested_power_state; + rdev->pm.current_clock_mode = rdev->pm.requested_clock_mode; +} + bool r600_gui_idle(struct radeon_device *rdev) { if (RREG32(GRBM_STATUS) & GUI_ACTIVE) |