drm/i915/dp: Track pm_qos per connector

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Since multiple connectors may run intel_dp_aux_xfer conncurrently, a
single global pm_qos does not suffice. (One connector may disable the
dma-latency boost prematurely while the second is still depending on
it.) Instead of a single global pm_qos, track the pm_qos request for
each intel_dp.

v2: Move the pm_qos setup/teardown to intel_dp_aux_init/fini

Fixes: 9ee32fea5f ("drm/i915: irq-drive the dp aux communication")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201230202309.23982-1-chris@chris-wilson.co.uk

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This commit is contained in:

Chris Wilson 2020-12-30 20:23:09 +00:00

parent 021a3ac2a0

commit b3304591f1

4 changed files with 9 additions and 10 deletions

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3

drivers/gpu/drm/i915/display/intel_display_types.h

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8

drivers/gpu/drm/i915/display/intel_dp.c

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5

drivers/gpu/drm/i915/i915_drv.c

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3

drivers/gpu/drm/i915/i915_drv.h

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