GuC load takes longer sometimes due to GT frequency not ramping up.
Add perf_limit_reasons to the existing warn print to see if frequency
is being throttled.
v2: Review comments (Ashutosh)
Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@xxxxxxxxx>
---
drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c
index 364d0d546ec8..0f79cb658518 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c
@@ -251,9 +251,11 @@ static int guc_wait_ucode(struct intel_guc *guc)
if (ret == 0)
ret = -ENXIO;
} else if (delta_ms > 200) {
- guc_warn(guc, "excessive init time: %lldms! [freq = %dMHz, before = %dMHz, status = 0x%08X, count = %d, ret = %d]\n",
- delta_ms, intel_rps_read_actual_frequency(&uncore->gt->rps),
- before_freq, status, count, ret);
+ guc_warn(guc, "excessive init time: %lldms! [status = 0x%08X, count = %d, ret = %d]\n",
+ delta_ms, status, count, ret);
+ guc_warn(guc, "excessive init time: [freq = %dMHz, before = %dMHz, perf_limit_reasons = 0x%08X]\n",
+ intel_rps_read_actual_frequency(&uncore->gt->rps), before_freq,
+ intel_uncore_read(uncore, intel_gt_perf_limit_reasons_reg(gt)));
} else {
guc_dbg(guc, "init took %lldms, freq = %dMHz, before = %dMHz, status = 0x%08X, count = %d, ret = %d\n",
delta_ms, intel_rps_read_actual_frequency(&uncore->gt->rps),
--
2.38.1
