[252/272] drm/radeon/kms/evergreen: always set certain VGT regs at CP init

[Greg KH]

2.6.37-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Alex Deucher <alexdeucher@xxxxxxxxx>

commit 18ff84da29b3f0c073e0ce6e341663cc6bcb0ab7 upstream.

These should be handled by the clear_state setup, but set them
directly as well just to be sure.

Signed-off-by: Alex Deucher <alexdeucher@xxxxxxxxx>
Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 drivers/gpu/drm/radeon/evergreen.c |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1135,7 +1135,7 @@ static int evergreen_cp_start(struct rad
 	cp_me = 0xff;
 	WREG32(CP_ME_CNTL, cp_me);
 
-	r = radeon_ring_lock(rdev, evergreen_default_size + 15);
+	r = radeon_ring_lock(rdev, evergreen_default_size + 19);
 	if (r) {
 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
 		return r;
@@ -1168,6 +1168,11 @@ static int evergreen_cp_start(struct rad
 	radeon_ring_write(rdev, 0xffffffff);
 	radeon_ring_write(rdev, 0xffffffff);
 
+	radeon_ring_write(rdev, 0xc0026900);
+	radeon_ring_write(rdev, 0x00000316);
+	radeon_ring_write(rdev, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
+	radeon_ring_write(rdev, 0x00000010); /*  */
+
 	radeon_ring_unlock_commit(rdev);
 
 	return 0;


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