From: Alex Deucher Date: Sun, 21 Mar 2010 18:02:25 +0000 (-0400) Subject: drm/radeon/kms: never treat rs4xx as AGP X-Git-Tag: v2.6.34-rc4~12^2~38 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f95df9ca6896978108201a77422a1ae2cdc595ec;p=platform%2Fkernel%2Flinux-3.10.git 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 cc: stable@kernel.org Signed-off-by: Dave Airlie --- diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 6bedc21..60ec47b 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); }