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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>
hifive-unleashed-5.1
Alex Deucher 2011-06-30 08:59:55 -04:00 committed by Dave Airlie
parent 0e90ed0e8b
commit daf54f1f36
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/radeon/rv770.c
View File

@ -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);
}