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| author | Dave Airlie <airlied@redhat.com> | 2014-06-05 20:28:59 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2014-06-05 20:28:59 +1000 |
| commit | 8d4ad9d4bb0a618c975a32d77087694ec6336f68 (patch) | |
| tree | d18d12688174a623e3503b11118e44ef8186c90b /drivers/dma/mv_xor.c | |
| parent | 5ea1f752ae04be403a3dc8ec876a60d7f5f6990a (diff) | |
| parent | 9e9a928eed8796a0a1aaed7e0b676db86ba84594 (diff) | |
Merge commit '9e9a928eed8796a0a1aaed7e0b676db86ba84594' into drm-next
Merge drm-fixes into drm-next.
Both i915 and radeon need this done for later patches.
Conflicts:
drivers/gpu/drm/drm_crtc_helper.c
drivers/gpu/drm/i915/i915_drv.h
drivers/gpu/drm/i915/i915_gem.c
drivers/gpu/drm/i915/i915_gem_execbuffer.c
drivers/gpu/drm/i915/i915_gem_gtt.c
Diffstat (limited to 'drivers/dma/mv_xor.c')
| -rw-r--r-- | drivers/dma/mv_xor.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c index 766b68ed505c..394cbc5c93e3 100644 --- a/drivers/dma/mv_xor.c +++ b/drivers/dma/mv_xor.c @@ -191,12 +191,10 @@ static void mv_set_mode(struct mv_xor_chan *chan, static void mv_chan_activate(struct mv_xor_chan *chan) { - u32 activation; - dev_dbg(mv_chan_to_devp(chan), " activate chan.\n"); - activation = readl_relaxed(XOR_ACTIVATION(chan)); - activation |= 0x1; - writel_relaxed(activation, XOR_ACTIVATION(chan)); + + /* writel ensures all descriptors are flushed before activation */ + writel(BIT(0), XOR_ACTIVATION(chan)); } static char mv_chan_is_busy(struct mv_xor_chan *chan) |