Kristian Høgsberg writes:
> On Wed, Nov 25, 2015 at 11:37 AM, Francisco Jerez
> wrote:
>> The thread scratch space is thread-local so using the full IA-coherent
>> stateless surface index (255 since Gen8) is unnecessary and
>> potentially expensive. On Gen8 and early steppings of Gen9 this is
On Wed, Nov 25, 2015 at 11:37 AM, Francisco Jerez wrote:
> The thread scratch space is thread-local so using the full IA-coherent
> stateless surface index (255 since Gen8) is unnecessary and
> potentially expensive. On Gen8 and early steppings of Gen9 this is
> not a functional change because th
The thread scratch space is thread-local so using the full IA-coherent
stateless surface index (255 since Gen8) is unnecessary and
potentially expensive. On Gen8 and early steppings of Gen9 this is
not a functional change because the kernel already sets bit 4 of
HDC_CHICKEN0 which overrides all HD