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authorIngo Molnar <mingo@kernel.org>2020-01-10 18:52:11 +0100
committerIngo Molnar <mingo@kernel.org>2020-01-10 18:52:11 +0100
commit02df083201272c0c2e061b18d9c20635974abf6d (patch)
tree788321ae7a4867c4c06bd1d070cb98d49d009b76 /drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
parent0679715e714345d273c0e1eb78078535ffc4b2a1 (diff)
parentbef1d88263ff769f15aa0e1515cdcede84e61d15 (diff)
Merge branch 'linus' into efi/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/arcturus_ppt.c')
-rw-r--r--drivers/gpu/drm/amd/powerplay/arcturus_ppt.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
index cc71a1078a7a..472e9fed411a 100644
--- a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
@@ -862,18 +862,21 @@ static int arcturus_get_metrics_table(struct smu_context *smu,
struct smu_table_context *smu_table= &smu->smu_table;
int ret = 0;
+ mutex_lock(&smu->metrics_lock);
if (!smu_table->metrics_time ||
time_after(jiffies, smu_table->metrics_time + HZ / 1000)) {
ret = smu_update_table(smu, SMU_TABLE_SMU_METRICS, 0,
(void *)smu_table->metrics_table, false);
if (ret) {
pr_info("Failed to export SMU metrics table!\n");
+ mutex_unlock(&smu->metrics_lock);
return ret;
}
smu_table->metrics_time = jiffies;
}
memcpy(metrics_table, smu_table->metrics_table, sizeof(SmuMetrics_t));
+ mutex_unlock(&smu->metrics_lock);
return ret;
}