diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-06-28 22:02:19 (GMT) |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-07-01 20:09:06 (GMT) |
| commit | 7982128c3d447df27db963af67bc6b8dc7efb1de (patch) | |
| tree | 8f671df217823306b7e469e4df7aff09d3f7a943 | |
| parent | bdf0c4f07d5fbda79569a11116053bed44873c8a (diff) | |
| download | linux-7982128c3d447df27db963af67bc6b8dc7efb1de.tar.xz | |
drm/radeon/dpm: add debugfs support for SI
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/si_dpm.c | 19 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/sid.h | 4 |
4 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c index 5b3a122..a5b244d 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.c +++ b/drivers/gpu/drm/radeon/radeon_asic.c @@ -2282,6 +2282,7 @@ static struct radeon_asic si_asic = { .get_sclk = &ni_dpm_get_sclk, .get_mclk = &ni_dpm_get_mclk, .print_power_state = &ni_dpm_print_power_state, + .debugfs_print_current_performance_level = &si_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 7524edb..6822c7a 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.h +++ b/drivers/gpu/drm/radeon/radeon_asic.h @@ -677,6 +677,8 @@ int si_dpm_set_power_state(struct radeon_device *rdev); void si_dpm_post_set_power_state(struct radeon_device *rdev); void si_dpm_fini(struct radeon_device *rdev); void si_dpm_display_configuration_changed(struct radeon_device *rdev); +void si_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, + struct seq_file *m); /* DCE8 - CIK */ void dce8_bandwidth_update(struct radeon_device *rdev); diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index 6918f07..46e9fc5 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -6385,3 +6385,22 @@ void si_dpm_fini(struct radeon_device *rdev) r600_free_extended_power_table(rdev); } +void si_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, + struct seq_file *m) +{ + struct radeon_ps *rps = rdev->pm.dpm.current_ps; + struct ni_ps *ps = ni_get_ps(rps); + struct rv7xx_pl *pl; + u32 current_index = + (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_INDEX_MASK) >> + CURRENT_STATE_INDEX_SHIFT; + + if (current_index >= ps->performance_level_count) { + seq_printf(m, "invalid dpm profile %d\n", current_index); + } else { + pl = &ps->performance_levels[current_index]; + 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 vddci: %u pcie gen: %u\n", + current_index, pl->sclk, pl->mclk, pl->vddc, pl->vddci, pl->pcie_gen + 1); + } +} diff --git a/drivers/gpu/drm/radeon/sid.h b/drivers/gpu/drm/radeon/sid.h index 299d657..12a20eb 100644 --- a/drivers/gpu/drm/radeon/sid.h +++ b/drivers/gpu/drm/radeon/sid.h @@ -220,6 +220,10 @@ # define GFX_CLK_OFF_ACPI_D3 (1 << 13) # define DYN_LIGHT_SLEEP_EN (1 << 14) +#define TARGET_AND_CURRENT_PROFILE_INDEX 0x798 +# define CURRENT_STATE_INDEX_MASK (0xf << 4) +# define CURRENT_STATE_INDEX_SHIFT 4 + #define CG_FTV 0x7bc #define CG_FFCT_0 0x7c0 |