Re: [PATCH v6 2/3] drm/xe/i2c: Fix the interrupt handling
Raag Jadav <[email protected]>
| Newsgroups | org.freedesktop.lists.intel-xe,org.kernel.vger.linux-kernel,org.kernel.vger.stable |
|---|---|
| Message-ID | <[email protected]> |
On Wed, Jul 22, 2026 at 03:35:53PM +0200, Heikki Krogerus wrote:
> The platforms that support the interrupt from the I2C
> adapter can not handle the amount of interrupts the adapter
> generates because of the way the IRQ is routed in the
> hardware. The I2C controller driver has to be kept in
> polling mode because of that.
>
> The AMC MCU can still generate critical alerts that have to
> be handled. The interrupt from SMBus Alert is left enabled
> and handled separately in the Xe. The alerts from the AMC
> will cause the device to be declared wedged for now.
>
> Fixes: f0e53aadd702 ("drm/xe: Support for I2C attached MCUs")
> Cc: [email protected]
> Co-developed-by: Ramesh Babu B <[email protected]>
> Signed-off-by: Ramesh Babu B <[email protected]>
> Signed-off-by: Heikki Krogerus <[email protected]>
Assuming no further changes came up during validation
Reviewed-by: Raag Jadav <[email protected]>