On Tue, Aug 11, 2015 at 04:49:33PM +0300, Mika Kahola wrote:
> Depending on the VBT BDB version the maximum size
> can be up to 38 bytes.
>
> This fix increases the maximum of the VBT expected size
> from 33 bytes to 38 bytes and by doing so cures the kernel
> hang on BSW box.
>
> Signed-off-by: Mika Kahola <mika.kahola@xxxxxxxxx>
We already have David's patch in -fixes, how does this relate? How does it
blow up? Is this a regression? If so which commit created it? Where's the
bugzilla link from QA?
-Daniel
> ---
> drivers/gpu/drm/i915/intel_bios.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_bios.h b/drivers/gpu/drm/i915/intel_bios.h
> index f7ad6a5..788463d 100644
> --- a/drivers/gpu/drm/i915/intel_bios.h
> +++ b/drivers/gpu/drm/i915/intel_bios.h
> @@ -246,7 +246,7 @@ struct common_child_dev_config {
> union child_device_config {
> /* This one is safe to be used anywhere, but the code should still check
> * the BDB version. */
> - u8 raw[33];
> + u8 raw[38];
> /* This one should only be kept for legacy code. */
> struct old_child_dev_config old;
> /* This one should also be safe to use anywhere, even without version
> --
> 1.9.1
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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