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Commit 6b79d521 authored by Dave Airlie's avatar Dave Airlie Committed by Dave Airlie
Browse files

radeon: fix writeback across suspend/resume. 



Make writeback not get disabled on resume.

Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 38eda211

drivers/gpu/drm/radeon/radeon_cp.c

+3 −2
Original line number Diff line number Diff line
@@ -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

	 */