Commit 69064bbe authored May 30, 2019 by Yrjan Skrimstad Committed by Alex Deucher Jul 05, 2019

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 <yrjan@skrimstad.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent d12c2022

drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -3495,7 +3495,7 @@ 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,

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