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drm/i915: Add a FIXME about drrs/psr interactions

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Can't review this right now due to lack of DRRS code.

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Vandana Kannan <vandana.kannan@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2014-07-11 10:30:10 -07:00
parent 9a603f48fa
commit 1fcc9d1cf3
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/i915/intel_dp.c
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@ -4104,6 +4104,11 @@ void intel_dp_set_drrs_state(struct drm_device *dev, int refresh_rate)
return;
}
/*
* FIXME: This needs proper synchronization with psr state. But really
* hard to tell without seeing the user of this function of this code.
* Check locking and ordering once that lands.
*/
if (INTEL_INFO(dev)->gen < 8 && intel_edp_is_psr_enabled(dev)) {
DRM_DEBUG_KMS("DRRS is disabled as PSR is enabled\n");
return;