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>

diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 4f7a170..69b3c22 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -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;