On Wed, Jun 19, 2013 at 02:00:45PM +0200, Laurent Pinchart wrote: > Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> > --- > Documentation/DocBook/drm.tmpl | 14 ++++++++------ > 1 file changed, 8 insertions(+), 6 deletions(-) > > diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl > index f9df3b8..738b727 100644 > --- a/Documentation/DocBook/drm.tmpl > +++ b/Documentation/DocBook/drm.tmpl > @@ -186,11 +186,12 @@ > <varlistentry> > <term>DRIVER_HAVE_IRQ</term><term>DRIVER_IRQ_SHARED</term> > <listitem><para> > - DRIVER_HAVE_IRQ indicates whether the driver has an IRQ handler. The > - DRM core will automatically register an interrupt handler when the > - flag is set. DRIVER_IRQ_SHARED indicates whether the device & > - handler support shared IRQs (note that this is required of PCI > - drivers). > + DRIVER_HAVE_IRQ indicates whether the driver has an IRQ handler > + managed by the DRM Core. The core will support simple IRQ handler > + installation when the flag is set. The installation process is > + described in <xref linkend="drm-irq-registration"/>.</para> > + <para>DRIVER_IRQ_SHARED indicates whether the device & handler > + support shared IRQs (note that this is required of PCI drivers). > </para></listitem> > </varlistentry> > <varlistentry> > @@ -344,7 +345,8 @@ char *date;</synopsis> > The DRM core tries to facilitate IRQ handler registration and > unregistration by providing <function>drm_irq_install</function> and > <function>drm_irq_uninstall</function> functions. Those functions only > - support a single interrupt per device. > + support a single interrupt per device, devices that use more than one > + IRQs need to be handled manually. Perhaps this should mention that if you handle IRQ installation manually you also need to manually set drm->irq_enabled = 1, as otherwise things like DRM_IOCTL_WAIT_VBLANK won't work properly. Thierry
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