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path: root/drivers/gpu/drm/radeon/rs400.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/rs400.c')
-rw-r--r--drivers/gpu/drm/radeon/rs400.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c
index 9e4240b3bf0..f454c9a5e7f 100644
--- a/drivers/gpu/drm/radeon/rs400.c
+++ b/drivers/gpu/drm/radeon/rs400.c
@@ -57,7 +57,9 @@ void rs400_gart_adjust_size(struct radeon_device *rdev)
}
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) */
+ * 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");
}
@@ -263,6 +265,7 @@ void rs400_mc_init(struct radeon_device *rdev)
r100_vram_init_sizes(rdev);
base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
radeon_vram_location(rdev, &rdev->mc, base);
+ rdev->mc.gtt_base_align = rdev->mc.gtt_size - 1;
radeon_gtt_location(rdev, &rdev->mc);
radeon_update_bandwidth_info(rdev);
}