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authorAlex Deucher <alexdeucher@gmail.com>2011-06-30 08:59:55 -0400
committerDave Airlie <airlied@redhat.com>2011-07-01 07:29:46 +1000
commitdaf54f1f363a61c618662ef66d4bf09d2b090941 (patch)
tree255ddbc906264562445ddee96b22b9f2afdd3f96
parent0e90ed0e8b9b1c25040442f1d20c799751b1e727 (diff)
drm/radeon/kms: Fix chremap setup on RV770 CE
CE variant requires a different chremap setup. Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=35472 Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
-rw-r--r--drivers/gpu/drm/radeon/rv770.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 6f508ffd1035..8bb347d23ca6 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -575,6 +575,12 @@ static void rv770_program_channel_remap(struct radeon_device *rdev)
else
tcp_chan_steer = 0x00fac688;
+ /* RV770 CE has special chremap setup */
+ if (rdev->pdev->device == 0x944e) {
+ tcp_chan_steer = 0x00b08b08;
+ mc_shared_chremap = 0x00b08b08;
+ }
+
WREG32(TCP_CHAN_STEER, tcp_chan_steer);
WREG32(MC_SHARED_CHREMAP, mc_shared_chremap);
}

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