drm/i915: Document a few more BDB_GENERAL_FEATURES bits from PCH BIOS

This includes whether an eDP panel is present, and whether that should
use SSC (and at what frequency)

Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Keith Packard 2011-09-26 14:25:57 -07:00
parent abd0686018
commit d2830bdb84
1 changed files with 4 additions and 1 deletions

View File

@ -135,7 +135,10 @@ struct bdb_general_features {
/* bits 5 */
u8 int_crt_support:1;
u8 int_tv_support:1;
u8 rsvd11:6; /* finish byte */
u8 int_efp_support:1;
u8 dp_ssc_enb:1; /* PCH attached eDP supports SSC */
u8 dp_ssc_freq:1; /* SSC freq for PCH attached eDP */
u8 rsvd11:3; /* finish byte */
} __attribute__((packed));
/* pre-915 */