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| author | Alex Deucher <alexander.deucher@amd.com> | 2013-06-28 10:47:56 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-07-01 16:08:41 -0400 |
| commit | fb70160c5f2ae1b0648801f39138b25990f7ae18 (patch) | |
| tree | df92f421cbef15d34e6c7a57a5651c5884e1895b | |
| parent | bd210d11cd37bee3da729e56288b5b4a038f88bd (diff) | |
| download | blackbird-op-linux-fb70160c5f2ae1b0648801f39138b25990f7ae18.tar.gz blackbird-op-linux-fb70160c5f2ae1b0648801f39138b25990f7ae18.zip | |
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 <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_asic.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_asic.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/sumo_dpm.c | 28 |
3 files changed, 31 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c index a2a34f86434b..6d4304cce83f 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.c +++ b/drivers/gpu/drm/radeon/radeon_asic.c @@ -1638,6 +1638,7 @@ static struct radeon_asic sumo_asic = { .get_sclk = &sumo_dpm_get_sclk, .get_mclk = &sumo_dpm_get_mclk, .print_power_state = &sumo_dpm_print_power_state, + .debugfs_print_current_performance_level = &sumo_dpm_debugfs_print_current_performance_level, }, .pflip = { .pre_page_flip = &evergreen_pre_page_flip, diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h index 39f5d96d7c49..958d30f33066 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.h +++ b/drivers/gpu/drm/radeon/radeon_asic.h @@ -565,6 +565,8 @@ u32 sumo_dpm_get_sclk(struct radeon_device *rdev, bool low); u32 sumo_dpm_get_mclk(struct radeon_device *rdev, bool low); void sumo_dpm_print_power_state(struct radeon_device *rdev, struct radeon_ps *ps); +void sumo_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, + struct seq_file *m); /* * cayman 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; |
