On Fri, 5 Feb 2021 12:17:54 +0100 Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx> wrote: > Hello, > > Here are 2 fixes and one improvement for the page fault handling. Those > bugs were found while working on indirect draw supports which requires > the allocation of a big heap buffer for varyings, and the vertex/tiler > shaders seem to have access pattern that trigger those issues. I > remember discussing the first issue with Steve or Robin a while back, > but we never hit it before (now we do :)). > > The last patch is a perf improvement: no need to re-enable hardware > interrupts if we know the threaded irq handler will be woken up right > away. > > Regards, > > Boris > > Changes in v2: > * Rework the MMU irq handling loop to avoid a goto Queued to drm-misc-next. > > Boris Brezillon (3): > drm/panfrost: Clear MMU irqs before handling the fault > drm/panfrost: Don't try to map pages that are already mapped > drm/panfrost: Stay in the threaded MMU IRQ handler until we've handled > all IRQs > > drivers/gpu/drm/panfrost/panfrost_mmu.c | 39 +++++++++++++++---------- > 1 file changed, 24 insertions(+), 15 deletions(-) > _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
