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Commit 5c363a86 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/radeon: add INFO query for current sclk/mclk 



Allow the UMDs to query the current sclk/mclk
for profiling, etc.

Tested-by: default avatarMarek Olšák <marek.olsak@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 9b23bad0

drivers/gpu/drm/radeon/radeon_kms.c

+14 −0
Original line number Diff line number Diff line
@@ -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;

include/uapi/drm/radeon_drm.h

+2 −0
Original line number Diff line number Diff line
@@ -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;