diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/2677-drm-amd-powerplay-smu7_hwmgr-replace-blocking-delay-.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/2677-drm-amd-powerplay-smu7_hwmgr-replace-blocking-delay-.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/2677-drm-amd-powerplay-smu7_hwmgr-replace-blocking-delay-.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/2677-drm-amd-powerplay-smu7_hwmgr-replace-blocking-delay-.patch new file mode 100644 index 00000000..9fe1aed5 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/2677-drm-amd-powerplay-smu7_hwmgr-replace-blocking-delay-.patch @@ -0,0 +1,33 @@ +From 96feb7cbc0ff770f549407563e70c73e8be3f74d Mon Sep 17 00:00:00 2001 +From: Yrjan Skrimstad <yrjan@skrimstad.net> +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 <yrjan@skrimstad.net> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + 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 + |