Re: [PATCH v2 1/2] gpu: ipu-v3: vdic: Simplify ipu_vdi_setup()

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On 9/25/24 6:43 PM, Philipp Zabel wrote:
On Di, 2024-09-24 at 12:47 +0200, Marek Vasut wrote:
On 9/4/24 11:05 AM, Philipp Zabel wrote:
On Mi, 2024-07-24 at 02:19 +0200, Marek Vasut wrote:
The 'code' parameter only ever selects between YUV 4:2:0 and 4:2:2
subsampling, turn it into boolean to select exactly that and update
related code accordingly.

Signed-off-by: Marek Vasut <marex@xxxxxxx>

I'd prefer this to be an enum ipu_chroma_subsampling or similar,
instead of a boolean. Otherwise,

I'm afraid this introduces unnecessary back and forth conversions
between the boolean and either of the two enum ipu_chroma_subsampling
values in the code.

Fair enough. I dislike the opaque usage in vdic_start() a bit, but with
the in422 variable in ipu_mem2mem_vdic_setup_hardware() it is clear
enough.
I'll keep the rework for V3 and then we can decide whether or not to undo it.




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