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authorDave Airlie <airlied@redhat.com>2020-01-02 10:16:04 +1000
committerDave Airlie <airlied@redhat.com>2020-01-02 10:16:04 +1000
commit866bd5eeaf13a8e008fa7b818fb445bacd4dbdb0 (patch)
tree9884aed0fb4a04b342e42858e2d895ef0fae77a5 /drivers/gpu/drm/amd/powerplay/navi10_ppt.c
parente7cbcb16fa416c26e02c181945ba62de580fca7a (diff)
parent969e11529221a6a2a787cb3b63ccf9402f8d2e37 (diff)
Merge tag 'amd-drm-fixes-5.5-2020-01-01' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
amd-drm-fixes-5.5-2020-01-01: amdgpu: - ATPX regression fix - SMU metrics table locking fixes - gfxoff fix for raven - RLC firmware loading stability fix Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexdeucher@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200101151307.5242-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/navi10_ppt.c')
-rw-r--r--drivers/gpu/drm/amd/powerplay/navi10_ppt.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
index 4a14fd1f9fd5..ca62e92e5a4f 100644
--- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
@@ -562,17 +562,20 @@ static int navi10_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 + msecs_to_jiffies(100))) {
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;
}