https://bugs.freedesktop.org/show_bug.cgi?id=39282

--- Comment #35 from Alex Deucher <[email protected]> 2011-12-08 11:28:45 PST ---
If you are getting rendering errors, it's possible the cursor image was
rendered as garbage.  Can you try this patch in addition to the backend_map
changes?

diff --git a/drivers/gpu/drm/radeon/evergreen.c
b/drivers/gpu/drm/radeon/evergreen.c
index 3e8054c..4d66a05 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1832,7 +1832,7 @@ static void evergreen_gpu_init(struct radeon_device
*rdev)
                rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
                break;
        case CHIP_BARTS:
-               rdev->config.evergreen.num_ses = 2;
+               rdev->config.evergreen.num_ses = 1;
                rdev->config.evergreen.max_pipes = 4;
                rdev->config.evergreen.max_tile_pipes = 8;
                rdev->config.evergreen.max_simds = 7;

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