drm/radeon: fix r600 writeback across suspend/resume
This update was done in mainline radeon, but not in the r600. Signed-off-by: Dave Airlie <airlied@redhat.com>
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@ -1737,9 +1737,6 @@ static void r600_cp_init_ring_buffer(struct drm_device *dev,
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RADEON_WRITE(R600_CP_DEBUG, (1 << 27) | (1 << 28));
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RADEON_WRITE(R600_CP_DEBUG, (1 << 27) | (1 << 28));
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/* Start with assuming that writeback doesn't work */
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dev_priv->writeback_works = 0;
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/* Initialize the scratch register pointer. This will cause
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/* Initialize the scratch register pointer. This will cause
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* the scratch register values to be written out to memory
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* the scratch register values to be written out to memory
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* whenever they are updated.
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* whenever they are updated.
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