Attachment 126850 Details for Bug 97971 – possible fix

[patch] possible fix

EDID-reading-failure-in-0x0f31.patch (text/plain), 1004 bytes, created by yangbo on 2016-09-29 09:15:11 UTC

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Creator: yangbo

Created: 2016-09-29 09:15:11 UTC

Size: 1004 bytes

patch

obsolete

>From e2dbb517239b5f03da7578e9e350013f8e9c2b3a Mon Sep 17 00:00:00 2001
>From: Yang Bo <yangbo@deepin.com>
>Date: Thu, 29 Sep 2016 14:48:32 +0800
>Subject: [PATCH] EDID reading failure in 0x0f31
>
>EDID reading failure is observed in valleyview(device id: 0x0f31)
>when using DVI-to-VGA connector.
>
>Signed-off-by: Yang Bo <yangbo@deepin.com>
>---
> drivers/gpu/drm/i915/intel_crt.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
>index 827b6ef..83662fa 100644
>--- a/drivers/gpu/drm/i915/intel_crt.c
>+++ b/drivers/gpu/drm/i915/intel_crt.c
>@@ -715,7 +715,7 @@ static int intel_crt_get_modes(struct drm_connector *connector)
> 
> 	i2c = intel_gmbus_get_adapter(dev_priv, dev_priv->vbt.crt_ddc_pin);
> 	ret = intel_crt_ddc_get_modes(connector, i2c);
>-	if (ret || !IS_G4X(dev))
>+	if (ret || !(IS_G4X(dev) || (dev->pdev->device == 0x0f31)))
> 		goto out;
> 
> 	/* Try to probe digital port for output in DVI-I -> VGA mode. */
>-- 
>2.9.3
>

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Attachments on bug 97971: 126849 | 126850 | 126851 | 126892

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