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| author | Alex Deucher <alexander.deucher@amd.com> | 2014-09-30 17:33:30 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2015-03-19 17:26:36 +0100 |
| commit | 5c363a860398e2a09e5cff7f4654cf82ed8485e1 (patch) | |
| tree | 4f9ead64d2eaad9495c39b51d752b3d1f3bf233f | |
| parent | drm/radeon/kv: implement get_current_sclk/mclk (diff) | |
| download | linux-5c363a860398e2a09e5cff7f4654cf82ed8485e1.tar.xz linux-5c363a860398e2a09e5cff7f4654cf82ed8485e1.zip | |
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>
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_kms.c | 14 | ||||
| -rw-r--r-- | include/uapi/drm/radeon_drm.h | 2 |
2 files changed, 16 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; diff --git a/include/uapi/drm/radeon_drm.h b/include/uapi/drm/radeon_drm.h index 66b1131bb296..de7ee21efea2 100644 --- a/include/uapi/drm/radeon_drm.h +++ b/include/uapi/drm/radeon_drm.h @@ -1035,6 +1035,8 @@ struct drm_radeon_cs { #define RADEON_INFO_GTT_USAGE 0x1f #define RADEON_INFO_ACTIVE_CU_COUNT 0x20 #define RADEON_INFO_CURRENT_GPU_TEMP 0x21 +#define RADEON_INFO_CURRENT_GPU_SCLK 0x22 +#define RADEON_INFO_CURRENT_GPU_MCLK 0x23 struct drm_radeon_info { uint32_t request; |