diff mbox

[5/5] drm/radeon: fix header size estimation in VM code

Message ID 1350896143-4730-5-git-send-email-deathsimple@vodafone.de (mailing list archive)
State New, archived
Headers show

Commit Message

Christian König Oct. 22, 2012, 8:55 a.m. UTC 
Only NI uses 3dw headers, SI uses 4dw headers.

Signed-off-by: Christian König <deathsimple@vodafone.de>
---
 drivers/gpu/drm/radeon/radeon_gart.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
diff mbox

Patch

diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c
index d84405d..9a64f8c 100644
--- a/drivers/gpu/drm/radeon/radeon_gart.c
+++ b/drivers/gpu/drm/radeon/radeon_gart.c
@@ -1147,17 +1147,17 @@  int radeon_vm_bo_update_pte(struct radeon_device *rdev,
 
 	if (RADEON_VM_BLOCK_SIZE > 11)
 		/* reserve space for one header for every 2k dwords */
-		ndw += (nptes >> 11) * 3;
+		ndw += (nptes >> 11) * 4;
 	else
 		/* reserve space for one header for
 		    every (1 << BLOCK_SIZE) entries */
-		ndw += (nptes >> RADEON_VM_BLOCK_SIZE) * 3;
+		ndw += (nptes >> RADEON_VM_BLOCK_SIZE) * 4;
 
 	/* reserve space for pte addresses */
 	ndw += nptes * 2;
 
 	/* reserve space for one header for every 2k dwords */
-	ndw += (npdes >> 11) * 3;
+	ndw += (npdes >> 11) * 4;
 
 	/* reserve space for pde addresses */
 	ndw += npdes * 2;