From fb70160c5f2ae1b0648801f39138b25990f7ae18 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Fri, 28 Jun 2013 10:47:56 -0400 Subject: drm/radeon/dpm: add debugfs support for ON/LN This allows you to look at the current DPM state via debugfs. Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/sumo_dpm.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) (limited to 'drivers/gpu/drm/radeon/sumo_dpm.c') diff --git a/drivers/gpu/drm/radeon/sumo_dpm.c b/drivers/gpu/drm/radeon/sumo_dpm.c index 0c3d7526cda5..68fefb916582 100644 --- a/drivers/gpu/drm/radeon/sumo_dpm.c +++ b/drivers/gpu/drm/radeon/sumo_dpm.c @@ -1752,6 +1752,34 @@ void sumo_dpm_print_power_state(struct radeon_device *rdev, r600_dpm_print_ps_status(rdev, rps); } +void sumo_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, + struct seq_file *m) +{ + struct sumo_power_info *pi = sumo_get_pi(rdev); + struct radeon_ps *rps = rdev->pm.dpm.current_ps; + 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; + seq_printf(m, "uvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk); + seq_printf(m, "power level %d sclk: %u vddc: %u\n", + current_index, pl->sclk, + sumo_convert_voltage_index_to_value(rdev, pl->vddc_index)); + } else if (current_index >= ps->num_levels) { + seq_printf(m, "invalid dpm profile %d\n", current_index); + } else { + pl = &ps->levels[current_index]; + seq_printf(m, "uvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk); + seq_printf(m, "power level %d sclk: %u vddc: %u\n", + current_index, pl->sclk, + sumo_convert_voltage_index_to_value(rdev, pl->vddc_index)); + } +} + void sumo_dpm_fini(struct radeon_device *rdev) { int i; -- cgit