Fixes:
CC [M] drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_mst_types.o
drivers/gpu/drm/amd/amdgpu/../powerplay/arcturus_ppt.c: In function
‘arcturus_log_thermal_throttling_event’:
drivers/gpu/drm/amd/amdgpu/../powerplay/arcturus_ppt.c:2223:24: warning:
‘throttler_status’ may be used uninitialized in this function
[-Wmaybe-uninitialized]
2223 | if (throttler_status & logging_label[throttler_idx].feature_mask) {
By assigning an initial value and also checking for errors on the call to
arcturus_get_smu_metrics_data().
(v2): don't set default in arcturus_get_smu_metrics_data()
Signed-off-by: Tom St Denis <tom.stde...@amd.com>
---
drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
index 8b1025dc54fd..f6fe8e0ff977 100644
--- a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
@@ -2208,15 +2208,20 @@ static const struct throttling_logging_label {
};
static void arcturus_log_thermal_throttling_event(struct smu_context *smu)
{
- int throttler_idx, throtting_events = 0, buf_idx = 0;
+ int throttler_idx, throtting_events = 0, buf_idx = 0, ret;
struct amdgpu_device *adev = smu->adev;
- uint32_t throttler_status;
+ uint32_t throttler_status = 0;
char log_buf[256];
- arcturus_get_smu_metrics_data(smu,
+ ret = arcturus_get_smu_metrics_data(smu,
METRICS_THROTTLER_STATUS,
&throttler_status);
+ if (ret) {
+ dev_err(adev->dev, "Could not read from
arcturus_get_smu_metrics_data()\n");
+ return;
+ }
+
memset(log_buf, 0, sizeof(log_buf));
for (throttler_idx = 0; throttler_idx < ARRAY_SIZE(logging_label);
throttler_idx++) {
--
2.26.2
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