Simona Vetter writes:
> On Wed, Dec 11, 2024 at 10:06:28AM +0100, Thomas Zimmermann wrote:
>> DMA areas are not necessarily backed by struct page, so we cannot
>> rely on it for deferred I/O. Allocate a shadow buffer for drivers
>> that require deferred I/O and use it as framebuffer memory.
>>
>
On Wed, Dec 11, 2024 at 10:06:28AM +0100, Thomas Zimmermann wrote:
> DMA areas are not necessarily backed by struct page, so we cannot
> rely on it for deferred I/O. Allocate a shadow buffer for drivers
> that require deferred I/O and use it as framebuffer memory.
>
> Fixes driver errors about bei
