diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-01-02 18:30:21 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-01-03 13:17:31 -0500 |
| commit | 909d9eb67f1e4e39f2ea88e96bde03d560cde3eb (patch) | |
| tree | f41d42f4d42623d79b1830a456bbc45b5f798353 | |
| parent | cafa59b9011a7790be4ddd5979419259844a165d (diff) | |
drm/radeon/r6xx: fix DMA engine for ttm bo transfers
count must be a multiple of 2. Fixes crashes on
R6xx chips reported by a number of people.
Cc: Borislav Petkov <bp@alien8.de>
Cc: Markus Trippelsdorf <markus@trippelsdorf.de>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Tested-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/radeon/r600.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 2aaf147969b..9f4ce5eb9e9 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -2636,8 +2636,8 @@ int r600_copy_dma(struct radeon_device *rdev, for (i = 0; i < num_loops; i++) { cur_size_in_dw = size_in_dw; - if (cur_size_in_dw > 0xFFFF) - cur_size_in_dw = 0xFFFF; + if (cur_size_in_dw > 0xFFFE) + cur_size_in_dw = 0xFFFE; size_in_dw -= cur_size_in_dw; radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_COPY, 0, 0, cur_size_in_dw)); radeon_ring_write(ring, dst_offset & 0xfffffffc); |