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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-11-11 20:27:16 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-11-11 21:30:13 +0300 |
| commit | 3c7a44bbbfa7896df0aa08a77a15ddcf21d59498 (patch) | |
| tree | 334792814b1b902bb07f89cbbf603e3d6385ff49 /drivers/gpu/drm/i915/i915_pci.c | |
| parent | 31b61f0ef9af62b6404d8df5dcd2cf58f80c9f53 (diff) | |
| download | linux-3c7a44bbbfa7896df0aa08a77a15ddcf21d59498.tar.xz | |
drm/i915/selftests: Perform some basic cycle counting of MI ops
Some basic information that is useful to know, such as how many cycles
is a MI_NOOP.
v2: Keep volatile pages pinned at all times! (Matthew)
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Anna Karas <anna.karas@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191111172716.23733-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/i915_pci.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_pci.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c index 1bb701d32a5d..da3e9b5752ac 100644 --- a/drivers/gpu/drm/i915/i915_pci.c +++ b/drivers/gpu/drm/i915/i915_pci.c @@ -1003,6 +1003,12 @@ static int i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) return err > 0 ? -ENOTTY : err; } + err = i915_perf_selftests(pdev); + if (err) { + i915_pci_remove(pdev); + return err > 0 ? -ENOTTY : err; + } + return 0; } |