Add debug logging to show RPS frequency configuration when the live_rps_power selftest fails to conserve power at lower frequencies. This helps diagnose frequency scaling issues by showing max_freq, rp0_freq, and max_freq_softlimit values.
Closes: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/13774 Signed-off-by: Sk Anirban <[email protected]> --- drivers/gpu/drm/i915/gt/selftest_rps.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/selftest_rps.c b/drivers/gpu/drm/i915/gt/selftest_rps.c index 73bc91c6ea07..4012213ab1b7 100644 --- a/drivers/gpu/drm/i915/gt/selftest_rps.c +++ b/drivers/gpu/drm/i915/gt/selftest_rps.c @@ -1216,6 +1216,11 @@ int live_rps_power(void *arg) if (11 * min.power > 10 * max.power) { pr_err("%s: did not conserve power when setting lower frequency!\n", engine->name); + pr_debug("%s: RPS Debug - max_freq:%u:%uMHz, rp0_freq:%u:%uMHz, max_freq_softlimit:%u:%uMHz\n", + engine->name, rps->max_freq, intel_gpu_freq(rps, rps->max_freq), + rps->rp0_freq, intel_gpu_freq(rps, rps->rp0_freq), + rps->max_freq_softlimit, intel_gpu_freq(rps, + rps->max_freq_softlimit)); err = -EINVAL; break; } -- 2.43.0
