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| author | Alex Deucher | 2010-03-21 19:02:25 +0100 |
|---|---|---|
| committer | Dave Airlie | 2010-03-31 05:11:04 +0200 |
| commit | f95df9ca6896978108201a77422a1ae2cdc595ec (patch) | |
| tree | 7968e3fa83ee28b1f7232798c051d19defd3009c | |
| parent | drm/radeon/kms: display watermark fixes (diff) | |
| download | kernel-qcow2-linux-f95df9ca6896978108201a77422a1ae2cdc595ec.tar.gz kernel-qcow2-linux-f95df9ca6896978108201a77422a1ae2cdc595ec.tar.xz kernel-qcow2-linux-f95df9ca6896978108201a77422a1ae2cdc595ec.zip | |
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>
cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
| -rw-r--r-- | 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 6bedc2117f7f..60ec47b71642 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -562,6 +562,14 @@ 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_IGP)) { + rdev->flags &= ~RADEON_IS_AGP; + } + if (rdev->flags & RADEON_IS_AGP && radeon_agpmode == -1) { radeon_agp_disable(rdev); } |