From: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
We call haswell_write_eld at mode_set time, not at crtc_enable time,
so the pipes are stopped, and it doesn't really make sense to wait for
a vblank: it just delays the modeset in 50ms.
v2: - Remove the big comment
- CC Audio developers
Cc: Wang Xingchao <xingchao.wang@xxxxxxxxx>
Cc: Mengdong Lin <mengdong.lin@xxxxxxxxx>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 61621ce..e79dd45 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -6663,7 +6663,6 @@ static void haswell_write_eld(struct drm_connector *connector,
{
struct drm_i915_private *dev_priv = connector->dev->dev_private;
uint8_t *eld = connector->eld;
- struct drm_device *dev = crtc->dev;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
uint32_t eldv;
uint32_t i;
@@ -6685,9 +6684,6 @@ static void haswell_write_eld(struct drm_connector *connector,
tmp |= (AUDIO_OUTPUT_ENABLE_A << (pipe * 4));
I915_WRITE(aud_cntrl_st2, tmp);
- /* Wait for 1 vertical blank */
- intel_wait_for_vblank(dev, pipe);
-
/* Set ELD valid state */
tmp = I915_READ(aud_cntrl_st2);
DRM_DEBUG_DRIVER("HDMI audio: pin eld vld status=0x%08x\n", tmp);
--
1.8.3.1
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