Sometimes the VBT lies, I guess? I can't explain why this occurs, but it
does on the early platforms we have.
Since it seems never unsafe to do this, I don't feel we need any quirk
or warnings.
Cc: Paulo Zanoni <przanoni@xxxxxxxxx>
Signed-off-by: Ben Widawsky <ben@xxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 6ced1a1..00b0bf9 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5671,6 +5671,7 @@ static void lpt_disable_clkout_dp(struct drm_device *dev)
static void lpt_init_pch_refclk(struct drm_device *dev)
{
+ struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_mode_config *mode_config = &dev->mode_config;
struct intel_encoder *encoder;
bool has_vga = false;
@@ -5683,7 +5684,7 @@ static void lpt_init_pch_refclk(struct drm_device *dev)
}
}
- if (has_vga)
+ if (dev_priv->pch_id != INTEL_PCH_LPT_LP_DEVICE_ID_TYPE && has_vga)
lpt_enable_clkout_dp(dev, true, true);
else
lpt_disable_clkout_dp(dev);
--
1.8.4.2
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