Re: [PATCH v4,1/2] media: mediatek: vcodec: Force capture queue format to MM21

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On Fri, Mar 17, 2023 at 11:08:32AM +0800, Yunfei Dong wrote:
> While the decoder can produce frames in both MM21 and MT21C formats, only MM21
> is currently supported by userspace tools (like gstreamer and libyuv). In order
> to ensure userspace keeps working after the SCP firmware is updated to support
> both MM21 and MT21C formats, force the MM21 format for the capture queue.
> 
> This is meant as a stopgap solution while dynamic format switching between
> MM21 and MT21C isn't implemented in the driver.
> 
> Fixes: 7501edef6b1f ("media: mediatek: vcodec: Different codec using different capture format")
> Signed-off-by: Yunfei Dong <yunfei.dong@xxxxxxxxxxxx>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>

Reviewed-by: Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx>
Tested-by: Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx>


With this patch and the new firmware [1], I was able to run fluster using the
VP8, VP9 and H.264 codecs on both MT8192 and MT8195:

MT8192:
	        VP8: 59/61
	        VP9: 250/303
		     0/6 (HIGH)
	        H.264: 92/135
		       27/69 (JVT-FR-EXT)

MT8195:
	        VP8: 59/61
	        VP9: 276/303
		     0/6 (HIGH)
	        H.264: 95/135
		       27/69 (JVT-FR-EXT)

[1] https://lore.kernel.org/linux-firmware/a43524a089a783f70adbe89b83eeb01fbd405d04.camel@xxxxxxxxxxxx/T/#mb0591267d7921bbfada7c06ee2bda128db554648

Thanks,
Nícolas



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