Re: [PATCH] drm/meson: Convert to Linux IRQ interfaces

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Hi

Am 08.07.21 um 15:31 schrieb Martin Blumenstingl:
Hi Thomas,

On Tue, Jul 6, 2021 at 9:45 AM Thomas Zimmermann <tzimmermann@xxxxxxx> wrote:

Drop the DRM IRQ midlayer in favor of Linux IRQ interfaces. DRM's
IRQ helpers are mostly useful for UMS drivers. Modern KMS drivers
don't benefit from using it.

Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
Tested-by: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx>
and also (although I am no drm subsystem expert):
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx>


Oh, just when I committed the patch. But thanks for your reply.


[...]
-       ret = drm_irq_install(drm, priv->vsync_irq);
+       ret = request_irq(priv->vsync_irq, meson_irq, 0, drm->driver->name, drm);
I'd like to use dev_name(dev) instead of drm->driver->name in the
future as that'll make it much easier to identify the corresponding
IRQ in /proc/interrupts for example
your patch makes this possible - thanks for this!

I also thought about this, but every driver in DRM and apparently most drivers in general pass the driver's name here. I think the change would make a lot of sense, but it's probably worth a kernel-wide effort.

Best regards
Thomas



Best regards,
Martin


--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer

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