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| author | Alex Deucher <alexander.deucher@amd.com> | 2014-09-30 18:27:42 +0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2015-03-19 19:26:29 +0300 |
| commit | d0a04d3b2ee87e9b74d0283f6af577e6d7763703 (patch) | |
| tree | c26ebabd78a9e43bacb35a35089b9fb3da76a1ec /drivers/gpu/drm/radeon/rv6xx_dpm.c | |
| parent | 3c94566ce17d03c3601e78071f893ce028d5a696 (diff) | |
| download | linux-d0a04d3b2ee87e9b74d0283f6af577e6d7763703.tar.xz | |
drm/radeon/rv6xx: implement get_current_sclk/mclk
Will be used for exposing current clocks via INFO ioctl.
Tested-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/rv6xx_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/rv6xx_dpm.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/rv6xx_dpm.c b/drivers/gpu/drm/radeon/rv6xx_dpm.c index 6a5c233361e9..97e5a6f1ce58 100644 --- a/drivers/gpu/drm/radeon/rv6xx_dpm.c +++ b/drivers/gpu/drm/radeon/rv6xx_dpm.c @@ -2050,6 +2050,52 @@ void rv6xx_dpm_debugfs_print_current_performance_level(struct radeon_device *rde } } +/* get the current sclk in 10 khz units */ +u32 rv6xx_dpm_get_current_sclk(struct radeon_device *rdev) +{ + 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) { + return 0; + } else { + if (current_index == 0) + pl = &ps->low; + else if (current_index == 1) + pl = &ps->medium; + else /* current_index == 2 */ + pl = &ps->high; + return pl->sclk; + } +} + +/* get the current mclk in 10 khz units */ +u32 rv6xx_dpm_get_current_mclk(struct radeon_device *rdev) +{ + 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) { + return 0; + } else { + if (current_index == 0) + pl = &ps->low; + else if (current_index == 1) + pl = &ps->medium; + else /* current_index == 2 */ + pl = &ps->high; + return pl->mclk; + } +} + void rv6xx_dpm_fini(struct radeon_device *rdev) { int i; |