drm/i915/gt: Fix up clock frequency

Browse source

The bspec lists both the clock frequency and the effective interval. The
interval corresponds to observed behaviour, so adjust the frequency to
match.

v2: Mika rightfully asked if we could measure the clock frequency from a
selftest.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Acked-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200427154554.12736-1-chris@chris-wilson.co.uk

...

This commit is contained in:

Chris Wilson 2020-04-27 16:45:54 +01:00

parent 4243cd5388

commit 6dc0d028f5

4 changed files with 147 additions and 6 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

12

drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c

View file

1

drivers/gpu/drm/i915/gt/selftest_gt_pm.c

View file

139

drivers/gpu/drm/i915/gt/selftest_rps.c

View file

1

drivers/gpu/drm/i915/gt/selftest_rps.h

View file