[PATCH v2 2/4] gpu/radeon: Move 64-bit MSI quirk from arch to driver

[Stephen Rothwell]

Hi Ben,

On Thu, 02 Oct 2014 10:34:22 +1000 Benjamin Herrenschmidt <benh at kernel.crashing.org> wrote:
>
> --- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
> +++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
> @@ -202,6 +202,16 @@ static bool radeon_msi_ok(struct radeon_device *rdev)
>  	if (rdev->flags & RADEON_IS_AGP)
>  		return false;
>  
> +	/*
> +	 * Older chips have a HW limitation, they can only generate 40 bits
> +	 * of address for "64-bit" MSIs which breaks on some platforms, notably
> +	 * IBM POWER servers, so we limit them
> +	 */
> +	if (rdev->family < CHIP_BONAIRE) {
> +		dev_info(rdev->dev, "radeon: MSI limited to 32-bit\n");
> +		rdev->pdev->no_64bit_msi = true;

Again, no_64bit_msi is not a bool ...

-- 
Cheers,
Stephen Rothwell                    sfr at canb.auug.org.au
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