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drm/i915: Also disable PSR on Sink when disabling it on Source.

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It is not a bad idea to disable the PSR feature on Sink
when we are disabling on the Source.

v2: Move dpcd write inside mutex protected area as suggested by Sonika.

Cc: Sonika Jindal <sonika.jindal@intel.com>
Suggested-by: Sonika Jindal <sonika.jindal@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Sonika Jindal <sonika.jindal@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Rodrigo Vivi 2015-11-23 14:19:32 -08:00 committed by Daniel Vetter
parent 05eec3c270
commit b6e4d53490
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/i915/intel_psr.c
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@ -524,11 +524,15 @@ void intel_psr_disable(struct intel_dp *intel_dp)
return;
}
/* Disable PSR on Source */
if (HAS_DDI(dev))
hsw_psr_disable(intel_dp);
else
vlv_psr_disable(intel_dp);
/* Disable PSR on Sink */
drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG, 0);
dev_priv->psr.enabled = NULL;
mutex_unlock(&dev_priv->psr.lock);