Attachment 19844 Details for Bug 17533 – try HDMI hotplug detect more times

[patch] try HDMI hotplug detect more times

i830-try-hdmi-detect-more-times.patch (text/plain), 1.20 KB, created by Wang Zhenyu on 2008-10-23 23:13:14 UTC

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Creator: Wang Zhenyu

Created: 2008-10-23 23:13:14 UTC

Size: 1.20 KB

patch

obsolete

>diff --git a/src/i830_hdmi.c b/src/i830_hdmi.c
>index 44e5c05..be35dc5 100644
>--- a/src/i830_hdmi.c
>+++ b/src/i830_hdmi.c
>@@ -141,6 +141,7 @@ i830_hdmi_detect(xf86OutputPtr output)
>     uint32_t temp, bit;
>     xf86OutputStatus status;
>     xf86MonPtr edid_mon;
>+    int attemp = 3;
> 
>     /* For G4X, PEG_BAND_GAP_DATA 3:0 must first be written 0xd.
>      * Failure to do so will result in spurious interrupts being
>@@ -151,13 +152,15 @@ i830_hdmi_detect(xf86OutputPtr output)
> 	OUTREG(PEG_BAND_GAP_DATA, (temp & ~0xf) | 0xd);
>     }
> 
>+again:
>+    --attemp;
>+
>     temp = INREG(PORT_HOTPLUG_EN);
> 
>     OUTREG(PORT_HOTPLUG_EN,
> 	   temp |
> 	   HDMIB_HOTPLUG_INT_EN |
>-	   HDMIC_HOTPLUG_INT_EN |
>-	   HDMID_HOTPLUG_INT_EN);
>+	   HDMIC_HOTPLUG_INT_EN );
> 
>     POSTING_READ(PORT_HOTPLUG_EN);
> 
>@@ -174,8 +177,13 @@ i830_hdmi_detect(xf86OutputPtr output)
> 
>     if ((INREG(PORT_HOTPLUG_STAT) & bit) != 0)
> 	status = XF86OutputStatusConnected;
>-    else
>+    else {
>+	if (attemp > 0)
>+	    goto again;
> 	return XF86OutputStatusDisconnected;
>+    }
>+
>+    ErrorF("zhen: %d attemps ok\n", 3 - attemp);
> 
>     edid_mon = xf86OutputGetEDID (output, intel_output->pDDCBus);
>     if (!edid_mon || !DIGITAL(edid_mon->features.input_type))

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Attachments on bug 17533: 18825 | 18826 | 18827 | 18895 | 18897 | 18906 | 19197 | 19422 | 19449 | 19470 | 19844

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