diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-06-28 20:01:38 +0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-07-02 00:08:49 +0400 |
| commit | 490ab9314bb7f70af227fd905571d6cfc10688fb (patch) | |
| tree | 0d7fa38773136f88874cdb3f4ed0e94a1ff6efa3 /drivers/gpu/drm/radeon | |
| parent | fb70160c5f2ae1b0648801f39138b25990f7ae18 (diff) | |
| download | linux-490ab9314bb7f70af227fd905571d6cfc10688fb.tar.xz | |
drm/radeon/dpm: add debugfs support for TN
This allows you to look at the current DPM state via
debugfs.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon')
| -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/trinity_dpm.c | 21 |
3 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c index 6d4304cce83f..691654740906 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.c +++ b/drivers/gpu/drm/radeon/radeon_asic.c @@ -2108,6 +2108,7 @@ static struct radeon_asic trinity_asic = { .get_sclk = &trinity_dpm_get_sclk, .get_mclk = &trinity_dpm_get_mclk, .print_power_state = &trinity_dpm_print_power_state, + .debugfs_print_current_performance_level = &trinity_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 958d30f33066..5904d897586d 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.h +++ b/drivers/gpu/drm/radeon/radeon_asic.h @@ -626,6 +626,8 @@ u32 trinity_dpm_get_sclk(struct radeon_device *rdev, bool low); u32 trinity_dpm_get_mclk(struct radeon_device *rdev, bool low); void trinity_dpm_print_power_state(struct radeon_device *rdev, struct radeon_ps *ps); +void trinity_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, + struct seq_file *m); /* DCE6 - SI */ void dce6_bandwidth_update(struct radeon_device *rdev); diff --git a/drivers/gpu/drm/radeon/trinity_dpm.c b/drivers/gpu/drm/radeon/trinity_dpm.c index fce825e112ff..502d9153c4d5 100644 --- a/drivers/gpu/drm/radeon/trinity_dpm.c +++ b/drivers/gpu/drm/radeon/trinity_dpm.c @@ -1855,6 +1855,27 @@ void trinity_dpm_print_power_state(struct radeon_device *rdev, r600_dpm_print_ps_status(rdev, rps); } +void trinity_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, + struct seq_file *m) +{ + struct radeon_ps *rps = rdev->pm.dpm.current_ps; + struct trinity_ps *ps = trinity_get_ps(rps); + struct trinity_pl *pl; + u32 current_index = + (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_MASK) >> + CURRENT_STATE_SHIFT; + + 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, + trinity_convert_voltage_index_to_value(rdev, pl->vddc_index)); + } +} + void trinity_dpm_fini(struct radeon_device *rdev) { int i; |