[PATCH] drm: vc4: Fix pixel-wrap issue with DVP teardown

[Maxime Ripard]

On Mon, Jun 28, 2021 at 03:05:33PM +0200, Maxime Ripard wrote:
> From: Tim Gover <tim.gover at raspberrypi.com>
> 
> Adjust the DVP enable/disable sequence to avoid a pixel getting stuck
> in an internal, non resettable FIFO within PixelValve when changing
> HDMI resolution.
> 
> The blank pixels features of the DVP can prevent signals back to
> pixelvalve causing it to not clear the FIFO. Adjust the ordering
> and timing of operations to ensure the clear signal makes it through to
> pixelvalve.
> 
> Signed-off-by: Tim Gover <tim.gover at raspberrypi.com>
> Signed-off-by: Maxime Ripard <maxime at cerno.tech>

Applied

Maxime
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