github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-21 05:18:45 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/i915/selftests: Show the RC6 residency on parking failure

Browse Source 
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
This commit is contained in:
Chris Wilson 2020-01-23 14:57:55 +00:00
parent 0f8f8a6430
commit 423177140e
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/gpu/drm/i915/gt/selftest_rc6.c
View File

@ -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;
}