Subject: Re: [PATCH v2 4/4] ALSA: hda/intel: Raise msi_addr_mask to dma_bits

From: Takashi Iwai <[email-masked]>
Date: Wed, 21 Jan 2026 09:15:09 +0100

On Wed, 21 Jan 2026 04:49:40 +0100,
Vivian Wang wrote:
> 
> The code was originally written using no_64bit_msi, which restricts the
> device to 32-bit MSI addresses.
> 
> Since msi_addr_mask is introduced, use DMA_BIT_MASK(dma_bits) instead of
> DMA_BIT_MASK(32) here for msi_addr_mask, describing the restriction more
> precisely and allowing these devices to work on platforms with MSI
> doorbell address above 32-bit space, as long as it is within the
> hardware's addressable space.
> 
> Signed-off-by: Vivian Wang <[email-masked]>
> 
> ---
> v2: No changes
> 
> hda/intel maintainers: I don't know if this is the correct restriction.
> Please help with checking. Thanks.

The quirk is used only for AMD graphics chips, so this should
(hopefully) work.

Acked-by: Takashi Iwai <[email-masked]>

thanks,

Takashi