drm/i915: Add readout and state check for pch_pfit.force_thru

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Convert the HSW pch_pfit.force_thru to a proper state variable
with readout and accompanying pipe conf check. Makes the logic
a bit more straightforward, and hopefully prevents some
breakage in the future.

'force_thru' is probably not the best name for this, but I
didn't manage to come up with anything better either, so I
left it alone.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190425162906.5242-2-ville.syrjala@linux.intel.com
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>

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This commit is contained in:

Ville Syrjälä 2019-04-25 19:29:06 +03:00

parent 13b7648b7e

commit dc0c0bfe11

3 changed files with 20 additions and 23 deletions

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12

drivers/gpu/drm/i915/intel_ddi.c

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18

drivers/gpu/drm/i915/intel_display.c

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13

drivers/gpu/drm/i915/intel_pipe_crc.c

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