diff options
| author |   Chris Wilson <chris@chris-wilson.co.uk> | 2020-01-23 14:57:55 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-01-24 10:09:56 +0000 |
| commit | 423177140e9fcbd2ee5fef3845d4623f4ec31ed8 (patch) | |
| tree | cf6b7b045518937e5879ed05ac9a1574aca45bb8 | |
| parent | drm/i915/gem: Detect overflow in calculating dumb buffer size (diff) | |
drm/i915/selftests: Show the RC6 residency on parking failure
Include the current RC6 residency counter in the error message, so that
if we fail to park and manually enter RC6 we can see if the counter has
a particularly suspect value (such as 0).
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Andi Shyti <andi.shyti@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200123145755.1420622-1-chris@chris-wilson.co.uk
| -rw-r--r-- | drivers/gpu/drm/i915/gt/selftest_rc6.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/gt/selftest_rc6.c b/drivers/gpu/drm/i915/gt/selftest_rc6.c index 8cc55a0e9e06..5f7e2dcf5686 100644 --- a/drivers/gpu/drm/i915/gt/selftest_rc6.c +++ b/drivers/gpu/drm/i915/gt/selftest_rc6.c @@ -56,9 +56,10 @@ int live_rc6_manual(void *arg) res[1] = intel_rc6_residency_ns(rc6, GEN6_GT_GFX_RC6); if (res[1] == res[0]) { - pr_err("Did not enter RC6! RC6_STATE=%08x, RC6_CONTROL=%08x\n", + pr_err("Did not enter RC6! RC6_STATE=%08x, RC6_CONTROL=%08x, residency=%lld\n", intel_uncore_read_fw(gt->uncore, GEN6_RC_STATE), - intel_uncore_read_fw(gt->uncore, GEN6_RC_CONTROL)); + intel_uncore_read_fw(gt->uncore, GEN6_RC_CONTROL), + res[0]); err = -EINVAL; } |