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>
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@ -575,6 +575,12 @@ static void rv770_program_channel_remap(struct radeon_device *rdev)
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else
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else
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tcp_chan_steer = 0x00fac688;
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tcp_chan_steer = 0x00fac688;
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/* RV770 CE has special chremap setup */
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if (rdev->pdev->device == 0x944e) {
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tcp_chan_steer = 0x00b08b08;
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mc_shared_chremap = 0x00b08b08;
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}
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WREG32(TCP_CHAN_STEER, tcp_chan_steer);
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WREG32(TCP_CHAN_STEER, tcp_chan_steer);
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WREG32(MC_SHARED_CHREMAP, mc_shared_chremap);
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WREG32(MC_SHARED_CHREMAP, mc_shared_chremap);
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}
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}
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