diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2011-06-30 08:59:55 -0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-07-01 07:29:46 +1000 |
| commit | daf54f1f363a61c618662ef66d4bf09d2b090941 (patch) | |
| tree | 255ddbc906264562445ddee96b22b9f2afdd3f96 | |
| parent | 0e90ed0e8b9b1c25040442f1d20c799751b1e727 (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.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index 6f508ffd103..8bb347d23ca 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); } |