[Intel-gfx] [PATCH] igt/gem_trtt: Exercise the TRTT hardware

[Chris Wilson]

On Mon, Jan 11, 2016 at 12:32:08PM +0000, Chris Wilson wrote:
> On Sat, Jan 09, 2016 at 05:01:30PM +0530, akash.goel at intel.com wrote:
> > +static void submit_and_sync(int fd, struct drm_i915_gem_execbuffer2 *execbuf,
> > +			    uint32_t batch_buf_handle)
> > +{
> > +	gem_execbuf(fd, execbuf);
> > +	gem_sync(fd, batch_buf_handle);
> 
> The only caller of this also does its own sync. This seems irrelevant
> and serves a bad example.

Oh, I see why. Your code is broken...

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You didn't mark the output buffers as being written.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre