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radeon: fix writeback across suspend/resume. 

Make writeback not get disabled on resume.

Signed-off-by: Dave Airlie <airlied@redhat.com>
hifive-unleashed-5.1
Dave Airlie 2008-09-02 10:10:16 +10:00 committed by Dave Airlie
parent 38eda21189
commit 6b79d521e0
1 changed files with 3 additions and 2 deletions
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5
drivers/gpu/drm/radeon/radeon_cp.c
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@ -626,8 +626,6 @@ static void radeon_cp_init_ring_buffer(struct drm_device * dev,
dev_priv->ring.size_l2qw);
#endif
/* Start with assuming that writeback doesn't work */
dev_priv->writeback_works = 0;
/* Initialize the scratch register pointer. This will cause
* the scratch register values to be written out to memory
@ -674,6 +672,9 @@ static void radeon_test_writeback(drm_radeon_private_t * dev_priv)
{
u32 tmp;
/* Start with assuming that writeback doesn't work */
dev_priv->writeback_works = 0;
/* Writeback doesn't seem to work everywhere, test it here and possibly
* enable it if it appears to work
*/