From: Paulo Zanoni <paulo.r.zan...@intel.com>
We already have the same check on intel_enable_ddi. This patch
prevents "unclaimed register" messages when the power well is
disabled.
Signed-off-by: Paulo Zanoni <paulo.r.zan...@intel.com>
---
drivers/gpu/drm/i915/intel_ddi.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 56bb7cb..cd2f519 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -1347,9 +1347,12 @@ static void intel_disable_ddi(struct intel_encoder
*intel_encoder)
ironlake_edp_backlight_off(intel_dp);
}
- tmp = I915_READ(HSW_AUD_PIN_ELD_CP_VLD);
- tmp &= ~((AUDIO_OUTPUT_ENABLE_A | AUDIO_ELD_VALID_A) << (pipe * 4));
- I915_WRITE(HSW_AUD_PIN_ELD_CP_VLD, tmp);
+ if (intel_crtc->eld_vld) {
+ tmp = I915_READ(HSW_AUD_PIN_ELD_CP_VLD);
+ tmp &= ~((AUDIO_OUTPUT_ENABLE_A | AUDIO_ELD_VALID_A) <<
+ (pipe * 4));
+ I915_WRITE(HSW_AUD_PIN_ELD_CP_VLD, tmp);
+ }
}
int intel_ddi_get_cdclk_freq(struct drm_i915_private *dev_priv)
--
1.7.10.4
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