Attachment 122474 Details for Bug 94473 – Patch to fix drm AGP detection error

Patch to fix drm AGP detection error

0001-Fix-the-drm-AGP-detection-error-message-issue.patch (text/plain), 1.02 KB, created by HuangRan on 2016-03-22 06:41:30 UTC

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Creator: HuangRan

Created: 2016-03-22 06:41:30 UTC

Size: 1.02 KB

patch

obsolete

>From 38a4e22ba9f2185a08279ed59d05c1cf70299b67 Mon Sep 17 00:00:00 2001
>From: HuangRan <huangran@iscas.ac.cn>
>Date: Tue, 22 Mar 2016 14:17:20 +0800
>Subject: [PATCH] Fix the drm AGP detection error message issue.
>
>limit the AGP detect condition to VIA chips using DMA engine name before Chrome9 to avoid drm error message "[drm:via_driver_load [via]] *ERROR* Failed acquiring AGP device.". Verify this on old H1/H2 chip and VX800/VX900 chips.
>---
> drivers/gpu/drm/via/via_drv.c |    2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/drivers/gpu/drm/via/via_drv.c b/drivers/gpu/drm/via/via_drv.c
>index aee3a0c..f4562d8 100644
>--- a/drivers/gpu/drm/via/via_drv.c
>+++ b/drivers/gpu/drm/via/via_drv.c
>@@ -349,7 +349,7 @@ via_driver_load(struct drm_device *dev, unsigned long chipset)
> 	chip_revision_info(dev);
> 
> #if __OS_HAS_AGP
>-	if ((dev_priv->engine_type > VIA_ENG_H2) ||
>+	if ((dev_priv->engine_type <= VIA_ENG_H2) ||
> 	    (dev->agp && drm_pci_device_is_agp(dev))) {
> 		ret = via_detect_agp(dev);
> 		if (!ret)
>-- 
>1.7.9.5
>

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Attachments on bug 94473: 122190 | 122191 | 122193 | 122474 | 122512 | 122513

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