On 14/10/2019 16:55, Steven Price wrote:
> On 14/10/2019 16:46, Robin Murphy wrote:
>> On 14/10/2019 16:16, Steven Price wrote:
>>> Pages shared with the GPU are (often) not cache coherent with the CPU so
>>> cache maintenance is required to flush the CPU's caches. This was
>>> already done when ma
On 14/10/2019 16:46, Robin Murphy wrote:
> On 14/10/2019 16:16, Steven Price wrote:
>> Pages shared with the GPU are (often) not cache coherent with the CPU so
>> cache maintenance is required to flush the CPU's caches. This was
>> already done when mapping pages on fault, but wasn't previously don
On 14/10/2019 16:16, Steven Price wrote:
Pages shared with the GPU are (often) not cache coherent with the CPU so
cache maintenance is required to flush the CPU's caches. This was
already done when mapping pages on fault, but wasn't previously done
when mapping a freshly allocated page.
Fix this
Pages shared with the GPU are (often) not cache coherent with the CPU so
cache maintenance is required to flush the CPU's caches. This was
already done when mapping pages on fault, but wasn't previously done
when mapping a freshly allocated page.
Fix this by moving the call to dma_map_sg() into mm
