drm/amdkfd: Initialize SDMA activity counter to 0

To prevent reporting erroneous SDMA usage, initialize SDMA
activity counter to 0 before using.

Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
index 40695d5..ddd192e 100644 (file)
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
@@ -270,6 +270,7 @@ static ssize_t kfd_procfs_show(struct kobject *kobj, struct attribute *attr,
                                        kfd_sdma_activity_worker);
 
                sdma_activity_work_handler.pdd = pdd;
+               sdma_activity_work_handler.sdma_activity_counter = 0;
 
                schedule_work(&sdma_activity_work_handler.sdma_activity_work);