[Intel-gfx] [PATCH] drm/i915/bdw: MU_FLUSH_DW a qword instead of dword

[Chris Wilson]

On Tue, Mar 04, 2014 at 09:38:56AM -0800, Ben Widawsky wrote:
> The actual post sync op is "Write Immediate Data QWord." It is therefore
> arguable that we should have always done a qword write.

Not really since the spec explicitly says that we can choose either a
dword or qword write. Note that qword writes also currently require a
64 byte alignment.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre