Re: [PATCH] media: cedrus: Fix SUNXI tile size calculation

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Le jeudi 19 août 2021 à 18:30 +0200, Jernej Škrabec a écrit :
> Hi Nicolas!
> 
> Dne četrtek, 19. avgust 2021 ob 16:00:09 CEST je Nicolas Dufresne napisal(a):
> > Tiled formats requires full rows being allocated (even for Chroma
> > planes). When the number of Luma tiles is odd, we need to round up
> > to twice the tile width in order to roundup the number of Chroma
> > tiles.
> > 
> > This was notice with a crash running BA1_FT_C compliance test using
> > sunxi tiles using GStreamer. Cedrus driver would allocate 9 rows for
> > Luma, but only 4.5 rows for Chroma, causing userspace to crash.
> > 
> > Signed-off-by: Nicolas Dufresne <nicolas.dufresne@xxxxxxxxxxxxx>
> 
> Fixes tag would be nice so it would be picked up for stable branches. 
> Otherwise it looks good. It also aligns logic with libvdpau-sunxi.

Sure, I'd say can be merged adding (it was broken since when cedrus was added):

Fixes: 50e761516f2b8 ("media: platform: Add Cedrus VPU decoder driver")

> 
> Reviewed-by: Jernej Skrabec <jernej.skrabec@xxxxxxxxx>
> 
> Best regards,
> Jernej
> 
> 





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