applied to drm-misc-next.
On Mon, Feb 17, 2020 at 9:20 AM Qiang Yu <yuq825@xxxxxxxxx> wrote:
>
> Looks good for me, patch is:
> Reviewed-by: Qiang Yu <yuq825@xxxxxxxxx>
>
> Regards,
> Qiang
>
> On Sat, Feb 15, 2020 at 11:50 AM Vasily Khoruzhick <anarsoul@xxxxxxxxx> wrote:
> >
> > It looks like on PLBU_OUT_OF_MEM interrupt we need to resume from where we
> > stopped, i.e. new PLBU heap start is old end. Also update end address
> > in GP frame to grow heap on 2nd and subsequent out of memory interrupts.
> >
> > Fixes: 2081e8dcf1ee ("drm/lima: recover task by enlarging heap buffer")
> > Signed-off-by: Vasily Khoruzhick <anarsoul@xxxxxxxxx>
> > ---
> > drivers/gpu/drm/lima/lima_gp.c | 7 ++++++-
> > 1 file changed, 6 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/lima/lima_gp.c b/drivers/gpu/drm/lima/lima_gp.c
> > index d1e7826c2d74..325604262def 100644
> > --- a/drivers/gpu/drm/lima/lima_gp.c
> > +++ b/drivers/gpu/drm/lima/lima_gp.c
> > @@ -224,8 +224,13 @@ static int lima_gp_task_recover(struct lima_sched_pipe *pipe)
> > }
> >
> > gp_write(LIMA_GP_INT_MASK, LIMA_GP_IRQ_MASK_USED);
> > + /* Resume from where we stopped, i.e. new start is old end */
> > + gp_write(LIMA_GP_PLBU_ALLOC_START_ADDR,
> > + f[LIMA_GP_PLBU_ALLOC_END_ADDR >> 2]);
> > + f[LIMA_GP_PLBU_ALLOC_END_ADDR >> 2] =
> > + f[LIMA_GP_PLBU_ALLOC_START_ADDR >> 2] + task->heap->heap_size;
> > gp_write(LIMA_GP_PLBU_ALLOC_END_ADDR,
> > - f[LIMA_GP_PLBU_ALLOC_START_ADDR >> 2] + task->heap->heap_size);
> > + f[LIMA_GP_PLBU_ALLOC_END_ADDR >> 2]);
> > gp_write(LIMA_GP_CMD, LIMA_GP_CMD_UPDATE_PLBU_ALLOC);
> > return 0;
> > }
> > --
> > 2.25.0
> >
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