On Fri, Aug 12, 2016 at 01:15:37PM +0800, Shawn Guo wrote: > The drm driver feature flag DRIVER_HAVE_IRQ is used to indicates whether > the driver has an IRQ handler managed by the DRM core. Some drivers, > armada, etnaviv, kirin and sti, set this flag without .irq_handler setup > in drm_driver. These drivers manage IRQ handler by themselves and the > flag DRIVER_HAVE_IRQ makes no sense there.
It's worth noting that DRIVER_HAVE_IRQ was required prior to: commit 4984979b9b9025a1cb9a9bea089d31a3e01ccff1 Author: Daniel Vetter <daniel.vetter at ffwll.ch> Date: Wed Aug 28 15:02:37 2013 +0200 drm/irq: simplify irq checks in drm_wait_vblank to have working vblank. As this is no longer the case, this change looks sane. > > Drop the flag for these drivers to avoid confusion. > > Signed-off-by: Shawn Guo <shawnguo at kernel.org> > --- > drivers/gpu/drm/armada/armada_drv.c | 2 +- > drivers/gpu/drm/etnaviv/etnaviv_drv.c | 3 +-- For both of these, Acked-by: Russell King <rmk+kernel at armlinux.org.uk> -- RMK's Patch system: http://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net.