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| author | Alex Deucher <alexander.deucher@amd.com> | 2014-09-30 18:34:39 +0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2015-03-19 19:26:30 +0300 |
| commit | 296deb7167b960d935025de770f3e3c6c2998fbd (patch) | |
| tree | e6acca20c0fb3b84a73b88c4c968c94734885d80 /drivers/gpu/drm/radeon/rv770_dpm.c | |
| parent | d0a04d3b2ee87e9b74d0283f6af577e6d7763703 (diff) | |
| download | linux-296deb7167b960d935025de770f3e3c6c2998fbd.tar.xz | |
drm/radeon/rv7xx/eg: 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/rv770_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/rv770_dpm.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c index 306732641b23..b9c770745a7a 100644 --- a/drivers/gpu/drm/radeon/rv770_dpm.c +++ b/drivers/gpu/drm/radeon/rv770_dpm.c @@ -2492,6 +2492,50 @@ void rv770_dpm_debugfs_print_current_performance_level(struct radeon_device *rde } } +u32 rv770_dpm_get_current_sclk(struct radeon_device *rdev) +{ + struct radeon_ps *rps = rdev->pm.dpm.current_ps; + struct rv7xx_ps *ps = rv770_get_ps(rps); + struct rv7xx_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; + } +} + +u32 rv770_dpm_get_current_mclk(struct radeon_device *rdev) +{ + struct radeon_ps *rps = rdev->pm.dpm.current_ps; + struct rv7xx_ps *ps = rv770_get_ps(rps); + struct rv7xx_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 rv770_dpm_fini(struct radeon_device *rdev) { int i; |