drm/i915/gt: Use the RPM config register to determine clk frequencies

Browse source

For many configuration details within RC6 and RPS we are programming
intervals for the internal clocks. From gen11, these clocks are
configuration via the RPM_CONFIG and so for convenience, we would like
to convert to/from more natural units (ns).

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Andi Shyti <andi.shyti@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200424162805.25920-2-chris@chris-wilson.co.uk

...

This commit is contained in:

Chris Wilson 2020-04-24 17:28:05 +01:00

parent 555a322429

commit 9c878557b1

11 changed files with 229 additions and 75 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

1

drivers/gpu/drm/i915/Makefile

View file

55

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

View file

3

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

View file

102

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

View file

27

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

View file

3

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

View file

9

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

View file

36

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

View file

7

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

View file

34

drivers/gpu/drm/i915/i915_debugfs.c

View file

25

drivers/gpu/drm/i915/i915_reg.h

View file