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| author | Zou Nan hai <nanhai.zou@intel.com> | 2010-06-12 17:40:24 +0800 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2010-06-14 18:26:25 -0700 |
| commit | be26a10bd10271b4a810ece2e540c0cdd77881bc (patch) | |
| tree | 7a860721c42779eb2f461e1a0f302f256b8b69bd /drivers/gpu/drm/i915/intel_ringbuffer.c | |
| parent | 45ac22c81b1088f5ac08dc5367f78c192d68d756 (diff) | |
| download | talos-op-linux-be26a10bd10271b4a810ece2e540c0cdd77881bc.tar.gz talos-op-linux-be26a10bd10271b4a810ece2e540c0cdd77881bc.zip | |
drm/i915: Fix incorrect intel_ring_begin size in BSD ringbuffer.
The ring_begin API was taking a number of bytes, while all of our
other begin/end macros take number of dwords. Change the API over to
dwords to prevent future bugs.
Signed-off-by: Zou Nan hai <nanhai.zou@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index cea4f1a8709e..a3cac5791d76 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -94,7 +94,7 @@ render_ring_flush(struct drm_device *dev, #if WATCH_EXEC DRM_INFO("%s: queue flush %08x to ring\n", __func__, cmd); #endif - intel_ring_begin(dev, ring, 8); + intel_ring_begin(dev, ring, 2); intel_ring_emit(dev, ring, cmd); intel_ring_emit(dev, ring, MI_NOOP); intel_ring_advance(dev, ring); @@ -358,7 +358,7 @@ bsd_ring_flush(struct drm_device *dev, u32 invalidate_domains, u32 flush_domains) { - intel_ring_begin(dev, ring, 8); + intel_ring_begin(dev, ring, 2); intel_ring_emit(dev, ring, MI_FLUSH); intel_ring_emit(dev, ring, MI_NOOP); intel_ring_advance(dev, ring); @@ -721,8 +721,9 @@ int intel_wait_ring_buffer(struct drm_device *dev, } void intel_ring_begin(struct drm_device *dev, - struct intel_ring_buffer *ring, int n) + struct intel_ring_buffer *ring, int num_dwords) { + int n = 4*num_dwords; if (unlikely(ring->tail + n > ring->size)) intel_wrap_ring_buffer(dev, ring); if (unlikely(ring->space < n)) @@ -752,7 +753,7 @@ void intel_fill_struct(struct drm_device *dev, { unsigned int *virt = ring->virtual_start + ring->tail; BUG_ON((len&~(4-1)) != 0); - intel_ring_begin(dev, ring, len); + intel_ring_begin(dev, ring, len/4); memcpy(virt, data, len); ring->tail += len; ring->tail &= ring->size - 1; |
