diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2011-06-30 08:59:55 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-07-08 23:15:00 -0700 |
| commit | 6f6d3321d249bbf8bd3a04d3f04281441c8012fa (patch) | |
| tree | 8fe7fb8a8f520de3d7a039ba96844c65238f7223 /drivers | |
| parent | b6136efc2e61ec8d731b5e9c898b9b7b2e551b01 (diff) | |
drm/radeon/kms: Fix chremap setup on RV770 CE
commit daf54f1f363a61c618662ef66d4bf09d2b090941 upstream.
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>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
| -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 ef8a5babe9f7..05aa6749802c 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -572,6 +572,12 @@ 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); } |