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author | Alex Deucher <alexander.deucher@amd.com> | 2014-09-30 10:50:07 -0400 |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2015-03-19 12:26:33 -0400 |
commit | ca1110bc5b8d796a7266c0b6de6131e1cea0409a (patch) | |
tree | 2dd7a2c840bfa5916af6ef3db8eea420a9e13ef3 | |
parent | 1d633e3a217986c8daedf82e5810e6c149d5e415 (diff) | |
download | linux-ca1110bc5b8d796a7266c0b6de6131e1cea0409a.tar.gz linux-ca1110bc5b8d796a7266c0b6de6131e1cea0409a.tar.bz2 linux-ca1110bc5b8d796a7266c0b6de6131e1cea0409a.zip |
drm/radeon/si: 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>
-rw-r--r-- | drivers/gpu/drm/radeon/radeon_asic.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/radeon/radeon_asic.h | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/radeon/si_dpm.c | 36 |
3 files changed, 40 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c index 8186f4325142..7826493eb587 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.c +++ b/drivers/gpu/drm/radeon/radeon_asic.c @@ -1967,6 +1967,8 @@ static struct radeon_asic si_asic = { .fan_ctrl_get_mode = &si_fan_ctrl_get_mode, .get_fan_speed_percent = &si_fan_ctrl_get_fan_speed_percent, .set_fan_speed_percent = &si_fan_ctrl_set_fan_speed_percent, + .get_current_sclk = &si_dpm_get_current_sclk, + .get_current_mclk = &si_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 df70a7220baf..23ba9d72005c 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.h +++ b/drivers/gpu/drm/radeon/radeon_asic.h @@ -756,6 +756,8 @@ int si_fan_ctrl_set_fan_speed_percent(struct radeon_device *rdev, u32 speed); u32 si_fan_ctrl_get_mode(struct radeon_device *rdev); void si_fan_ctrl_set_mode(struct radeon_device *rdev, u32 mode); +u32 si_dpm_get_current_sclk(struct radeon_device *rdev); +u32 si_dpm_get_current_mclk(struct radeon_device *rdev); /* DCE8 - CIK */ void dce8_bandwidth_update(struct radeon_device *rdev); diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index 7be11651b7e6..b35bccfeef79 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -6993,3 +6993,39 @@ void si_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, current_index, pl->sclk, pl->mclk, pl->vddc, pl->vddci, pl->pcie_gen + 1); } } + +u32 si_dpm_get_current_sclk(struct radeon_device *rdev) +{ + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); + struct radeon_ps *rps = &eg_pi->current_rps; + 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) { + return 0; + } else { + pl = &ps->performance_levels[current_index]; + return pl->sclk; + } +} + +u32 si_dpm_get_current_mclk(struct radeon_device *rdev) +{ + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); + struct radeon_ps *rps = &eg_pi->current_rps; + 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) { + return 0; + } else { + pl = &ps->performance_levels[current_index]; + return pl->mclk; + } +} |