[Intel-gfx] [PATCH] drm/i915: Silence "unexpected child device config size" for VBT on 845g

[Ville Syrjälä]

On Wed, Jun 01, 2016 at 06:08:43PM +0100, Chris Wilson wrote:
> My old 845g complains that the child_device_size inside its VBT,
> version 110, is incorrect. Let's fiddle with the version matching such
> that it works with this VBT (i.e. treat BIOS v110 as having the same size
> as v108).
> 
> Fixes [drm:intel_bios_init] *ERROR* Unexpected child device config
> size 27 (expected 33 for VBT version 110)
> 
> Whether this is correct, no one knows - but it works for this particular
> machine.
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

Matches how I "fixed" my 830 and 855.

Acked-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

> ---
>  drivers/gpu/drm/i915/intel_bios.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
> index 624e755e451f..e04e03b2da84 100644
> --- a/drivers/gpu/drm/i915/intel_bios.c
> +++ b/drivers/gpu/drm/i915/intel_bios.c
> @@ -1206,7 +1206,7 @@ parse_device_mapping(struct drm_i915_private *dev_priv,
>  	}
>  	if (bdb->version < 106) {
>  		expected_size = 22;
> -	} else if (bdb->version < 109) {
> +	} else if (bdb->version < 111) {
>  		expected_size = 27;
>  	} else if (bdb->version < 195) {
>  		BUILD_BUG_ON(sizeof(struct old_child_dev_config) != 33);
> -- 
> 2.8.1
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Ville Syrjälä
Intel OTC