diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3980-drm-amd-powerplay-change-metrics-update-period-from-.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3980-drm-amd-powerplay-change-metrics-update-period-from-.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3980-drm-amd-powerplay-change-metrics-update-period-from-.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3980-drm-amd-powerplay-change-metrics-update-period-from-.patch new file mode 100644 index 00000000..68722c7c --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3980-drm-amd-powerplay-change-metrics-update-period-from-.patch @@ -0,0 +1,35 @@ +From dbab4ee5d585c821a15989637aaa87722f1e69d7 Mon Sep 17 00:00:00 2001 +From: Kevin Wang <kevin1.wang@amd.com> +Date: Thu, 26 Sep 2019 16:16:41 +0800 +Subject: [PATCH 3980/4256] drm/amd/powerplay: change metrics update period + from 1ms to 100ms + +v2: +change period from 10ms to 100ms (typo error) + +too high frequence to update mertrics table will cause smu firmware +error,so change mertrics table update period from 1ms to 100ms +(navi10, 12, 14) + +Signed-off-by: Kevin Wang <kevin1.wang@amd.com> +Reviewed-by: Kenneth Feng <kenneth.feng@amd.com> +--- + drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +index 5a34d01f7f7c..f9147655d115 100644 +--- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c ++++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +@@ -547,7 +547,7 @@ static int navi10_get_metrics_table(struct smu_context *smu, + struct smu_table_context *smu_table= &smu->smu_table; + int ret = 0; + +- if (!smu_table->metrics_time || time_after(jiffies, smu_table->metrics_time + HZ / 1000)) { ++ if (!smu_table->metrics_time || time_after(jiffies, smu_table->metrics_time + msecs_to_jiffies(100))) { + ret = smu_update_table(smu, SMU_TABLE_SMU_METRICS, 0, + (void *)smu_table->metrics_table, false); + if (ret) { +-- +2.17.1 + |