Re: [PATCH] drm/vc4: Flush the caches before the bin jobs, as well.

From: Eric Anholt
Date: Wed Jan 17 2018 - 16:06:13 EST


Eric Anholt <eric@xxxxxxxxxx> writes:
> If the frame samples from a render target that was just written, its
> cache flush during the binning step may have occurred before the
> previous frame's RCL was completed. Flush the texture caches again
> before starting each RCL job to make sure that the sampling of the
> previous RCL's output is correct.
>
> Fixes flickering in the top left of 3DMMES Taiji.
>
> Signed-off-by: Eric Anholt <eric@xxxxxxxxxx>
> Fixes: ca26d28bbaa3 ("drm/vc4: improve throughput by pipelining binning and rendering jobs")

Whoops, in the subject, this should have been "before the *render* jobs."

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