[MPS] Convolution fixes (#95318)
* [MPS] Convolution cleanup; remove unnecessary contiguous calls (#95078)
- Fixes convolution crashes in backward with weights
- Removes unnecessary contiguous calls
Pull Request resolved: https://github.com/pytorch/pytorch/pull/95078
Approved by: https://github.com/kulinseth
* [MPS] Fix nn.functional.conv_transpose2d grad (#94871)
- add _mps_convolution_impl that takes optional shape
- for conv_tranpose2d grad, use the shape from forward pass directly
- for conv, calculate the shape from input
- remove nn.functional.conv_transpose2d grad from blocklist
Pull Request resolved: https://github.com/pytorch/pytorch/pull/94871
Approved by: https://github.com/kulinseth
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Co-authored-by: Denis Vieriu <104024078+DenisVieriu97@users.noreply.github.com>
Co-authored-by: Denis Vieriu <dvieriu@apple.com>
