[PATCH] amdgcn: remove unnecessary scalar cache flush

[Andrew Stubbs]

Ping.

On 20/10/2023 12:54, Andrew Stubbs wrote:
> Hi,
> 
> This patch is necessary to support AMD RDNA2 GPUs that don't have a 
> writable scalar cache.  However, the write back isn't actually doing 
> anything useful on any GPU any more, so we can remove it.
> 
> Andrew