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drm/radeon/kms: remove rs4xx gart limit 

We used to limit the rs4xx gart aperture to 32 MB, but I suspect
that was due to not meeting the alignment requirements of the
aperture.  This patch should only be applied after:
"drm/radeon/kms: fix gtt MC base alignment on rs4xx/rs690/rs740 asics"
has been applied.

This patch should probably soak for a bit in d-r-t.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2010-07-16 10:39:16 -04:00 committed by Dave Airlie
parent d656ae53f6
commit 833ee5c4ab
1 changed files with 0 additions and 8 deletions
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8
drivers/gpu/drm/radeon/rs400.c
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@ -55,14 +55,6 @@ void rs400_gart_adjust_size(struct radeon_device *rdev)
rdev->mc.gtt_size = 32 * 1024 * 1024;
return;
}
if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480) {
/* FIXME: RS400 & RS480 seems to have issue with GART size
* if 4G of system memory (needs more testing)
*/
/* XXX is this still an issue with proper alignment? */
rdev->mc.gtt_size = 32 * 1024 * 1024;
DRM_ERROR("Forcing to 32M GART size (because of ASIC bug ?)\n");
}
}
void rs400_gart_tlb_flush(struct radeon_device *rdev)