Allow the UMDs to query the current sclk/mclk
for profiling, etc.
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/radeon/radeon_kms.c | 14 ++++++++++++++
include/uapi/drm/radeon_drm.h | 2 ++
2 files changed, 16 insertions(+)
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index e0a85dc..f15de68 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -547,6 +547,20 @@ 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 66b1131..de7ee21 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;
--
1.8.3.1
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