diff options
| author | Vinay Belgaumkar <vinay.belgaumkar@intel.com> | 2023-06-27 12:13:36 -0700 |
|---|---|---|
| committer | Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> | 2023-07-06 13:33:26 -0700 |
| commit | a8c94b3964c59408f531ce819f13f0209695db7f (patch) | |
| tree | 5122b097f67bc5ad1c1858e5aa54bb61ee712ab4 | |
| parent | ed6dd32c915de3db0315bfa0283e05a508894b5c (diff) | |
drm/i915/guc: Dump perf_limit_reasons for debug
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@intel.com>
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230627191336.319381-1-vinay.belgaumkar@intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c | 8 |
1 files 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), |