From 96feb7cbc0ff770f549407563e70c73e8be3f74d Mon Sep 17 00:00:00 2001 From: Yrjan Skrimstad Date: Thu, 30 May 2019 02:08:21 +0200 Subject: [PATCH 2677/2940] drm/amd/powerplay/smu7_hwmgr: replace blocking delay with non-blocking This driver currently contains a repeated 500ms blocking delay call which causes frequent major buffer underruns in PulseAudio. This patch fixes this issue by replacing the blocking delay with a non-blocking sleep call. Signed-off-by: Yrjan Skrimstad Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c index 16591be8b0ca..10d66e3c7a9f 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c @@ -3494,7 +3494,7 @@ static int smu7_get_gpu_power(struct pp_hwmgr *hwmgr, u32 *query) ixSMU_PM_STATUS_95, 0); for (i = 0; i < 10; i++) { - mdelay(500); + msleep(500); smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PmStatusLogSample); tmp = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, -- 2.17.1