From d5c316930fd5196a7263f2bd8b7daf9296ae520b Mon Sep 17 00:00:00 2001 From: Kevin Wang Date: Fri, 10 May 2019 15:29:11 +0800 Subject: [PATCH] drm/amd/powerplay: fix amdgpu_pm_info show gpu load error due to the smu dma/RTOS restriction, the interval of catching smu metric table should be more than 1ms. otherwise it will cause the gpu activity data corruption. Signed-off-by:Kevin Wang Reviewed-by: Kenneth Feng Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c index f9bfcaa73f7e..027742e17300 100644 --- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c @@ -816,6 +816,8 @@ static int navi10_get_current_activity_percent(struct smu_context *smu, if (!value) return -EINVAL; + msleep(1); + ret = smu_update_table(smu, SMU_TABLE_SMU_METRICS, (void *)&metrics, false); if (ret)