[Intel-gfx] [PATCH 09/12] drm/edid: Update range descriptor struct for EDID 1.4

[Adam Jackson]

On Tue, 2012-04-17 at 17:25 +0200, Takashi Iwai wrote:
> At Fri, 13 Apr 2012 16:33:37 -0400, Adam Jackson wrote:
> > +	u8 flags;
> > +	union {
> > +		struct {
> > +			u8 reserved;
> > +			u8 hfreq_start_khz; /* need to multiply by 2 */
> > +			u8 c; /* need to divide by 2 */
> > +			__le16 m;
> > +			u8 k;
> > +			u8 j; /* need to divide by 2 */
> > +		} gtf2;
> > +		struct {
> > +			u8 version;
> > +			u8 data1; /* high 6 bits: extra clock resolution */
> > +			u8 data2; /* plus low 2 of above: max hactive */
> > +			u8 supported_aspects;
> > +			u8 flags; /* preferred aspect and blanking support */
> > +			u8 supported_scalings;
> > +			u8 preferred_refresh;
> > +		} cvt;
> 
> These new structs must be marked with __attribute__((packed)) although
> the struct detailed_data_monitor_range itself is already marked.  At
> least, with gcc 4.6 and x86-64 here, they get unaligned.

Eek.  Good catch, thanks.

- ajax
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