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drm/radeon/kms: fix GTT/VRAM overlapping test 

GTT/VRAM overlapping test had a typo which leaded to not
detecting case when vram_end > gtt_end. This patch fix the
logic and should fix #16574

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Jerome Glisse 2010-08-16 11:54:36 -04:00 committed by Dave Airlie
parent 1b2f148963
commit 2cbeb4efc2
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/radeon/radeon_device.c
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@ -199,7 +199,7 @@ void radeon_vram_location(struct radeon_device *rdev, struct radeon_mc *mc, u64
mc->mc_vram_size = mc->aper_size;
}
mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
if (rdev->flags & RADEON_IS_AGP && mc->vram_end > mc->gtt_start && mc->vram_end <= mc->gtt_end) {
if (rdev->flags & RADEON_IS_AGP && mc->vram_end > mc->gtt_start && mc->vram_start <= mc->gtt_end) {
dev_warn(rdev->dev, "limiting VRAM to PCI aperture size\n");
mc->real_vram_size = mc->aper_size;
mc->mc_vram_size = mc->aper_size;