From 08eda32b13c045b6219464764d6028d86d3c58a8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Christian=20K=C3=B6nig?= Date: Mon, 22 Oct 2012 17:42:39 +0200 Subject: drm/radeon: fix header size estimation in VM code MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Only NI uses 3dw headers, SI uses 4dw headers. Signed-off-by: Christian König Signed-off-by: Alex Deucher diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c index 926dc9d..e9e8953 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; -- cgit v0.10.2