From: Alex Deucher <alexdeucher@gmail.com>
To: Dave Airlie <airlied@gmail.com>,
DRI Development Mailing List <dri-devel@lists.sourceforge.net>
Subject: [PATCH] drm/radeon/kms: never treat rs4xx as AGP
Date: Sun, 21 Mar 2010 11:56:47 -0400 [thread overview]
Message-ID: <a728f9f91003210856l77f3137bk78c85a2eac3ebb52@mail.gmail.com> (raw)
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>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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next reply other threads:[~2010-03-21 15:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-21 15:56 Alex Deucher [this message]
2010-03-21 18:03 ` [PATCH] drm/radeon/kms: never treat rs4xx as AGP Alex Deucher
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