On Wed, Feb 3, 2021 at 3:26 PM Thomas Zimmermann wrote:
>
> Hi
>
> Am 03.02.21 um 15:01 schrieb Daniel Vetter:
> > On Wed, Feb 03, 2021 at 02:10:42PM +0100, Thomas Zimmermann wrote:
> >> Several drivers use GEM SHMEM buffer objects as shadow buffers for
> >> the actual framebuffer memory. Right no
Hi
Am 03.02.21 um 15:01 schrieb Daniel Vetter:
On Wed, Feb 03, 2021 at 02:10:42PM +0100, Thomas Zimmermann wrote:
Several drivers use GEM SHMEM buffer objects as shadow buffers for
the actual framebuffer memory. Right now, drivers do these vmap
operations in their commit tail, which is actually
On Wed, Feb 03, 2021 at 02:10:42PM +0100, Thomas Zimmermann wrote:
> Several drivers use GEM SHMEM buffer objects as shadow buffers for
> the actual framebuffer memory. Right now, drivers do these vmap
> operations in their commit tail, which is actually not allowed by the
> locking rules for the d
Several drivers use GEM SHMEM buffer objects as shadow buffers for
the actual framebuffer memory. Right now, drivers do these vmap
operations in their commit tail, which is actually not allowed by the
locking rules for the dma-buf reservation lock. The involved SHMEM
BO has to be vmapped in the pla