On 6/26/2023 8:17 PM, Dixit, Ashutosh wrote:
On Mon, 26 Jun 2023 19:12:18 -0700, Vinay Belgaumkar wrote: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. Signed-off-by: Vinay Belgaumkar <vinay.belgaum...@intel.com> --- drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c | 2 ++ 1 file changed, 2 insertions(+) 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..73911536a8e7 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c @@ -254,6 +254,8 @@ static int guc_wait_ucode(struct intel_guc *guc) 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, "perf limit reasons = 0x%08X\n", + intel_uncore_read(uncore, intel_gt_perf_limit_reasons_reg(gt)));Maybe just add at the end of the previous guc_warn?
Its already too long a line. If I try adding on the next line checkpatch complains about splitting double quotes.
Thanks, Vinay.
} 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
