Re: [PATCH v3 08/15] drm/panfrost: Use a threaded IRQ for job interrupts

2021-06-25 Thread Steven Price
On 25/06/2021 14:33, Boris Brezillon wrote: > This should avoid switching to interrupt context when the GPU is under > heavy use. > > v3: > * Don't take the job_lock in panfrost_job_handle_irq() > > Signed-off-by: Boris Brezillon Reviewed-by: Steven Price > --- > drivers/gpu/drm/panfrost/pan

Re: [PATCH v3 08/15] drm/panfrost: Use a threaded IRQ for job interrupts

2021-06-25 Thread Boris Brezillon
On Fri, 25 Jun 2021 09:47:59 -0400 Alyssa Rosenzweig wrote: > A-b, but could you explain the context? Thanks The rational behind this change is the complexity added to the interrupt handler in patch 15. That means we might spend more time in interrupt context after that patch and block other thi

Re: [PATCH v3 08/15] drm/panfrost: Use a threaded IRQ for job interrupts

2021-06-25 Thread Alyssa Rosenzweig
A-b, but could you explain the context? Thanks On Fri, Jun 25, 2021 at 03:33:20PM +0200, Boris Brezillon wrote: > This should avoid switching to interrupt context when the GPU is under > heavy use. > > v3: > * Don't take the job_lock in panfrost_job_handle_irq() > > Signed-off-by: Boris Brezillo