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Commit d6d2a188 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/radeon: add INFO query for GPU temperature 



Useful for profiling.

Tested-by: default avatarMarek Olšák <marek.olsak@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent b9729b17

drivers/gpu/drm/radeon/radeon_kms.c

+7 −0
Original line number Diff line number Diff line
@@ -547,6 +547,13 @@ static int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file 
		else

			*value = 1;

		break;

	case RADEON_INFO_CURRENT_GPU_TEMP:

		/* get temperature in millidegrees C */

		if (rdev->asic->pm.get_temperature)

			*value = radeon_get_temperature(rdev);

		else

			*value = 0;

		break;

	default:

		DRM_DEBUG_KMS("Invalid request %d\n", info->request);

		return -EINVAL;

include/uapi/drm/radeon_drm.h

+1 −0
Original line number Diff line number Diff line
@@ -1034,6 +1034,7 @@ struct drm_radeon_cs { 
#define RADEON_INFO_VRAM_USAGE		0x1e

#define RADEON_INFO_GTT_USAGE		0x1f

#define RADEON_INFO_ACTIVE_CU_COUNT	0x20

#define RADEON_INFO_CURRENT_GPU_TEMP	0x21



struct drm_radeon_info {

	uint32_t		request;