[PATCH 2/2] drm/amdkfd: Disable gfxoff for CU occupancy

David Belanger <[email protected]>
Newsgroups org.freedesktop.lists.amd-gfx
Message-ID <[email protected]>
Disable gfxoff while collecting CU occupancy data.

Reported-by: Alex Deucher <[email protected]>
Signed-off-by: David Belanger <[email protected]>
---
 drivers/gpu/drm/amd/amdkfd/kfd_process.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
index 0a7c1900da959..4316cb73b4115 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
@@ -318,8 +318,10 @@ static int kfd_get_cu_occupancy(struct attribute *attr, char *buffer)
 	 * XCCs in the partition.
 	 * For PM4 queues, there is no cooperative dispatch so wave_cnt stay as it is.
 	 */
+	amdgpu_gfx_off_ctrl(dev->adev, false);
 	dev->kfd2kgd->get_cu_occupancy(dev->adev, cu_occupancy,
 			&max_waves_per_cu, ffs(dev->xcc_mask) - 1);
+	amdgpu_gfx_off_ctrl(dev->adev, true);
 
 	for (i = 0; i < AMDGPU_MAX_QUEUES; i++) {
 		if (cu_occupancy[i].wave_cnt != 0 &&
-- 
2.51.1
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