diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-06-28 18:20:53 (GMT) |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-07-01 20:08:24 (GMT) |
| commit | 242916a5ee55a0ed49a2c74ee4d835fe9d8ca463 (patch) | |
| tree | d10974d8f8b7b979d0cf912ab06d3f46f0fb36e2 /drivers/gpu | |
| parent | 1316b79256062f7a2e66f0833dcb9728ec748805 (diff) | |
| download | linux-242916a5ee55a0ed49a2c74ee4d835fe9d8ca463.tar.xz | |
drm/radeon/dpm: add debugfs support for rv6xx
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')
| -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/rv6xx_dpm.c | 25 |
3 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c index c3df589..58d4cc5 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.c +++ b/drivers/gpu/drm/radeon/radeon_asic.c @@ -1160,6 +1160,7 @@ static struct radeon_asic rv6xx_asic = { .get_sclk = &rv6xx_dpm_get_sclk, .get_mclk = &rv6xx_dpm_get_mclk, .print_power_state = &rv6xx_dpm_print_power_state, + .debugfs_print_current_performance_level = &rv6xx_dpm_debugfs_print_current_performance_level, }, .pflip = { .pre_page_flip = &rs600_pre_page_flip, diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h index 2497d0a..6b1ede1 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.h +++ b/drivers/gpu/drm/radeon/radeon_asic.h @@ -416,6 +416,8 @@ u32 rv6xx_dpm_get_sclk(struct radeon_device *rdev, bool low); u32 rv6xx_dpm_get_mclk(struct radeon_device *rdev, bool low); void rv6xx_dpm_print_power_state(struct radeon_device *rdev, struct radeon_ps *ps); +void rv6xx_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, + struct seq_file *m); /* rs780 dpm */ int rs780_dpm_init(struct radeon_device *rdev); int rs780_dpm_enable(struct radeon_device *rdev); diff --git a/drivers/gpu/drm/radeon/rv6xx_dpm.c b/drivers/gpu/drm/radeon/rv6xx_dpm.c index 0e8b7d9..33705c5 100644 --- a/drivers/gpu/drm/radeon/rv6xx_dpm.c +++ b/drivers/gpu/drm/radeon/rv6xx_dpm.c @@ -2027,6 +2027,31 @@ void rv6xx_dpm_print_power_state(struct radeon_device *rdev, r600_dpm_print_ps_status(rdev, rps); } +void rv6xx_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, + struct seq_file *m) +{ + struct radeon_ps *rps = rdev->pm.dpm.current_ps; + struct rv6xx_ps *ps = rv6xx_get_ps(rps); + struct rv6xx_pl *pl; + u32 current_index = + (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK) >> + CURRENT_PROFILE_INDEX_SHIFT; + + if (current_index > 2) { + seq_printf(m, "invalid dpm profile %d\n", current_index); + } else { + if (current_index == 0) + pl = &ps->low; + else if (current_index == 1) + pl = &ps->medium; + else /* current_index == 2 */ + pl = &ps->high; + seq_printf(m, "uvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk); + seq_printf(m, "power level %d sclk: %u mclk: %u vddc: %u\n", + current_index, pl->sclk, pl->mclk, pl->vddc); + } +} + void rv6xx_dpm_fini(struct radeon_device *rdev) { int i; |