Attachment 34298 Details for Bug 27225 – fix

[patch] fix

0001-drm-radeon-kms-never-treat-rs4xx-as-AGP.patch (text/plain), 1.22 KB, created by Alex Deucher on 2010-03-21 08:55:03 UTC

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Creator: Alex Deucher

Created: 2010-03-21 08:55:03 UTC

Size: 1.22 KB

patch

obsolete

>From 7ac6ef362be216990835bfb5a7a71fdcf6d04ff5 Mon Sep 17 00:00:00 2001
>From: Alex Deucher <alexdeucher@gmail.com>
>Date: Sun, 21 Mar 2010 11:51:24 -0400
>Subject: [PATCH] drm/radeon/kms: never treat rs4xx as AGP
>
>RS4xx+ IGP chips use an internal gart, however,
>some of them have the agp cap bits set in their pci
>configs.  Make sure to clear the AGP flag as AGP will
>not work with them.
>
>Should fix fdo bug 27225
>
>Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
>---
> drivers/gpu/drm/radeon/radeon_device.c |    8 ++++++++
> 1 files changed, 8 insertions(+), 0 deletions(-)
>
>diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
>index 75f7b1e..8de9edd 100644
>--- a/drivers/gpu/drm/radeon/radeon_device.c
>+++ b/drivers/gpu/drm/radeon/radeon_device.c
>@@ -563,6 +563,14 @@ int radeon_device_init(struct radeon_device *rdev,
> 		return r;
> 	radeon_check_arguments(rdev);
> 
>+	/* all of the newer IGP chips have an internal gart
>+	 * However some rs4xx report as AGP, so remove that here.
>+	 */
>+	if ((rdev->family >= CHIP_RS400) &&
>+	    (rdev->flags & RADEON_IS_AGP)) {
>+		rdev->flags &= ~RADEON_IS_AGP;
>+	}
>+
> 	if (rdev->flags & RADEON_IS_AGP && radeon_agpmode == -1) {
> 		radeon_agp_disable(rdev);
> 	}
>-- 
>1.5.6.3
>

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Attachments on bug 27225: 34296 | 34297 | 34298

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