Re: [PATCH][media] s5p-g2d: Add HFLIP and VFLIP support

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On 01/30/2012 01:11 PM, Laurent Pinchart wrote:
>>  static int g2d_open(struct file *file)
>> @@ -564,6 +591,8 @@ static void device_run(void *prv)
>>  	g2d_set_dst_addr(dev, vb2_dma_contig_plane_dma_addr(dst, 0));
>>
>>  	g2d_set_rop4(dev, ctx->rop);
>> +	g2d_set_flip(dev, ctx->hflip | ctx->vflip);
>> +
> 
> Is this called for every frame, or once at stream start only ? In the later 
> case, this means that hflip and vflip won't be changeable during streaming. Is 
> that on purpose ?

The device_run() callback is called per each frame, i.e. per each single
buffer pair. Hence it should be possible to reconfigure flipping when
streaming is on.

Thanks,
-- 
Sylwester Nawrocki
Samsung Poland R&D Center
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