On 9/22/22 15:09, Thomas Zimmermann wrote: > Synchronize CPU access to GEM BOs with other drivers when updating the > screen buffer. Imported buffers might otherwise contain stale data. > Can you please elaborate what the problem is? The framebuffers memory is setup by the firmware and would never come from an imported dma-buf, so could the GEM BOs even be shared with other drivers? Or is this done just for the sake of correctness ? > Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx> > --- The change looks good to me though if is for the latter. Reviewed-by: Javier Martinez Canillas <javierm@xxxxxxxxxx> -- Best regards, Javier Martinez Canillas Core Platforms Red Hat
