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drm/i915: Do not try to enable PSR when Panel doesn't suport it.

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Also do not cache aux info. That info could be related to another panel.

Reviewed-by: Vijay Purushothaman <vijay.a.purushothaman@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Rodrigo Vivi 2014-06-12 10:16:40 -07:00 committed by Daniel Vetter
parent 164872543e
commit 34eb7579dc
1 changed files with 7 additions and 7 deletions
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14
drivers/gpu/drm/i915/intel_dp.c
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@ -1613,11 +1613,9 @@ static void intel_dp_get_config(struct intel_encoder *encoder,
}
}
static bool is_edp_psr(struct drm_device *dev)
static bool is_edp_psr(struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = dev->dev_private;
return dev_priv->psr.sink_support;
return intel_dp->psr_dpcd[0] & DP_PSR_IS_SUPPORTED;
}
static bool intel_edp_is_psr_enabled(struct drm_device *dev)
@ -1821,6 +1819,11 @@ void intel_edp_psr_enable(struct intel_dp *intel_dp)
return;
}
if (!is_edp_psr(intel_dp)) {
DRM_DEBUG_KMS("PSR not supported by this panel\n");
return;
}
/* Setup PSR once */
intel_edp_psr_setup(intel_dp);
@ -1862,9 +1865,6 @@ void intel_edp_psr_update(struct drm_device *dev)
if (encoder->type == INTEL_OUTPUT_EDP) {
intel_dp = enc_to_intel_dp(&encoder->base);
if (!is_edp_psr(dev))
return;
if (!intel_edp_psr_match_conditions(intel_dp))
intel_edp_psr_disable(intel_dp);
else