From 296deb7167b960d935025de770f3e3c6c2998fbd Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 30 Sep 2014 10:34:39 -0400 Subject: drm/radeon/rv7xx/eg: implement get_current_sclk/mclk MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Will be used for exposing current clocks via INFO ioctl. Tested-by: Marek Olšák Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/rv770_dpm.c | 44 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) (limited to 'drivers/gpu/drm/radeon/rv770_dpm.c') 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; -- cgit