drm/i915: Replace pcu_lock with sb_lock

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We now have two locks for sideband access. The general one covering
sideband access across all generation, sb_lock, and a specific one
covering sideband access via the punit on vlv/chv. After lifting the
sb_lock around the punit into the callers, the pcu_lock is now redudant
and can be separated from its other use to regulate RPS (essentially
giving RPS a lock all of its own).

v2: Extract a couple of minor bug fixes.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190426081725.31217-4-chris@chris-wilson.co.uk

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This commit is contained in:

Chris Wilson 2019-04-26 09:17:21 +01:00

parent 337fa6e04d

commit ebb5eb7d73

10 changed files with 81 additions and 168 deletions

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25

drivers/gpu/drm/i915/i915_debugfs.c

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10

drivers/gpu/drm/i915/i915_drv.h

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4

drivers/gpu/drm/i915/i915_irq.c

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32

drivers/gpu/drm/i915/i915_sysfs.c

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28

drivers/gpu/drm/i915/intel_cdclk.c

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6

drivers/gpu/drm/i915/intel_display.c

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2

drivers/gpu/drm/i915/intel_hdcp.c

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136

drivers/gpu/drm/i915/intel_pm.c

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10

drivers/gpu/drm/i915/intel_runtime_pm.c

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4

drivers/gpu/drm/i915/intel_sideband.c

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