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| author | Alex Deucher <alexander.deucher@amd.com> | 2014-09-30 19:33:30 +0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2015-03-19 19:26:36 +0300 |
| commit | 5c363a860398e2a09e5cff7f4654cf82ed8485e1 (patch) | |
| tree | 4f9ead64d2eaad9495c39b51d752b3d1f3bf233f /drivers/gpu/drm/radeon/radeon_kms.c | |
| parent | 9b23bad03263c5496bac2cbb2c2630cb3b8b38be (diff) | |
| download | linux-5c363a860398e2a09e5cff7f4654cf82ed8485e1.tar.xz | |
drm/radeon: add INFO query for current sclk/mclk
Allow the UMDs to query the current sclk/mclk
for profiling, etc.
Tested-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_kms.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_kms.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 7904887c6cc7..cf7e54e9b0d1 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -554,6 +554,20 @@ static int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file else *value = 0; break; + case RADEON_INFO_CURRENT_GPU_SCLK: + /* get sclk in Mhz */ + if (rdev->pm.dpm_enabled) + *value = radeon_dpm_get_current_sclk(rdev) / 100; + else + *value = rdev->pm.current_sclk / 100; + break; + case RADEON_INFO_CURRENT_GPU_MCLK: + /* get mclk in Mhz */ + if (rdev->pm.dpm_enabled) + *value = radeon_dpm_get_current_mclk(rdev) / 100; + else + *value = rdev->pm.current_mclk / 100; + break; default: DRM_DEBUG_KMS("Invalid request %d\n", info->request); return -EINVAL; |