diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-06-28 17:49:02 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-07-01 16:08:57 -0400 |
| commit | bdf0c4f07d5fbda79569a11116053bed44873c8a (patch) | |
| tree | e286da1d681c2033f39eb817be263331250a95e5 /drivers/gpu | |
| parent | 490ab9314bb7f70af227fd905571d6cfc10688fb (diff) | |
| download | linux-next-bdf0c4f07d5fbda79569a11116053bed44873c8a.tar.gz | |
drm/radeon/dpm: add debugfs support for cayman
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/ni_dpm.c | 20 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/nid.h | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_asic.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_asic.h | 2 |
4 files changed, 27 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c index 4712851808a3..8497ca6bb0b1 100644 --- a/drivers/gpu/drm/radeon/ni_dpm.c +++ b/drivers/gpu/drm/radeon/ni_dpm.c @@ -4287,6 +4287,26 @@ void ni_dpm_print_power_state(struct radeon_device *rdev, r600_dpm_print_ps_status(rdev, rps); } +void ni_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\n", + current_index, pl->sclk, pl->mclk, pl->vddc, pl->vddci); + } +} + u32 ni_dpm_get_sclk(struct radeon_device *rdev, bool low) { struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); diff --git a/drivers/gpu/drm/radeon/nid.h b/drivers/gpu/drm/radeon/nid.h index 95693c77351d..fe24a93542ec 100644 --- a/drivers/gpu/drm/radeon/nid.h +++ b/drivers/gpu/drm/radeon/nid.h @@ -618,6 +618,10 @@ # define MRDCKD0_BYPASS (1 << 30) # define MRDCKD1_BYPASS (1 << 31) +#define TARGET_AND_CURRENT_PROFILE_INDEX 0x66c +# define CURRENT_STATE_INDEX_MASK (0xf << 4) +# define CURRENT_STATE_INDEX_SHIFT 4 + #define CG_AT 0x6d4 # define CG_R(x) ((x) << 0) # define CG_R_MASK (0xffff << 0) diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c index 691654740906..5b3a122912f7 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.c +++ b/drivers/gpu/drm/radeon/radeon_asic.c @@ -1936,6 +1936,7 @@ static struct radeon_asic cayman_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 = &ni_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 5904d897586d..7524edb26152 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.h +++ b/drivers/gpu/drm/radeon/radeon_asic.h @@ -613,6 +613,8 @@ u32 ni_dpm_get_sclk(struct radeon_device *rdev, bool low); u32 ni_dpm_get_mclk(struct radeon_device *rdev, bool low); void ni_dpm_print_power_state(struct radeon_device *rdev, struct radeon_ps *ps); +void ni_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, + struct seq_file *m); int trinity_dpm_init(struct radeon_device *rdev); int trinity_dpm_enable(struct radeon_device *rdev); void trinity_dpm_disable(struct radeon_device *rdev); |