drm/i915/vlv: Update the DSI ULPS entry/exit sequence

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We should keep DEVICE_READY bit set in the ULPS enter sequence. In
exit sequence also we should set DEVICE_READY, but thats causing
blankout for me. Also exit sequence is simplified as per hw team
recommendation.

This should fix -
[drm:intel_dsi_clear_device_ready] *ERROR* DSI LP not going Low

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=80818
Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com>
Tested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

...

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Shobhit Kumar 2014-07-03 16:35:41 +05:30 • committed by Daniel Vetter

parent a799a9780e

commit aceb365ca9

1 changed files with 15 additions and 14 deletions

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drivers/gpu/drm/i915/intel_dsi.c

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