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| author | Alex Deucher <alexander.deucher@amd.com> | 2014-09-30 10:34:39 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2015-03-19 12:26:30 -0400 |
| commit | 296deb7167b960d935025de770f3e3c6c2998fbd (patch) | |
| tree | e6acca20c0fb3b84a73b88c4c968c94734885d80 /drivers/gpu | |
| parent | d0a04d3b2ee87e9b74d0283f6af577e6d7763703 (diff) | |
| download | linux-296deb7167b960d935025de770f3e3c6c2998fbd.tar.bz2 | |
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')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_asic.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_asic.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/rv770_dpm.c | 44 |
3 files changed, 50 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c index 0e3f7d493c13..0794cbd886b4 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.c +++ b/drivers/gpu/drm/radeon/radeon_asic.c @@ -1278,6 +1278,8 @@ static struct radeon_asic rv770_asic = { .debugfs_print_current_performance_level = &rv770_dpm_debugfs_print_current_performance_level, .force_performance_level = &rv770_dpm_force_performance_level, .vblank_too_short = &rv770_dpm_vblank_too_short, + .get_current_sclk = &rv770_dpm_get_current_sclk, + .get_current_mclk = &rv770_dpm_get_current_mclk, }, .pflip = { .page_flip = &rv770_page_flip, @@ -1395,6 +1397,8 @@ static struct radeon_asic evergreen_asic = { .debugfs_print_current_performance_level = &rv770_dpm_debugfs_print_current_performance_level, .force_performance_level = &rv770_dpm_force_performance_level, .vblank_too_short = &cypress_dpm_vblank_too_short, + .get_current_sclk = &rv770_dpm_get_current_sclk, + .get_current_mclk = &rv770_dpm_get_current_mclk, }, .pflip = { .page_flip = &evergreen_page_flip, diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h index 7ae66c0b3bea..ceac66ac79fd 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.h +++ b/drivers/gpu/drm/radeon/radeon_asic.h @@ -492,6 +492,8 @@ void rv770_dpm_debugfs_print_current_performance_level(struct radeon_device *rde int rv770_dpm_force_performance_level(struct radeon_device *rdev, enum radeon_dpm_forced_level level); bool rv770_dpm_vblank_too_short(struct radeon_device *rdev); +u32 rv770_dpm_get_current_sclk(struct radeon_device *rdev); +u32 rv770_dpm_get_current_mclk(struct radeon_device *rdev); /* * evergreen 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; |